Mercurial > sqlpython
annotate sqlpython/sqlpyPlus.py @ 464:26f60d5910a0
doubledashcomment moved into sqlpyPlus to define parser after local comment definition
| author | catherine@Drou |
|---|---|
| date | Mon, 01 Mar 2010 23:26:38 -0500 |
| parents | 317c0bb8afa4 |
| children | 0be350ab306c |
| rev | line source |
|---|---|
| 189 | 1 """sqlpyPlus - extra features (inspired by Oracle SQL*Plus) for Luca Canali's sqlpython.py |
| 2 | |
| 3 Features include: | |
| 4 - SQL*Plus-style bind variables | |
| 5 - `set autobind on` stores single-line result sets in bind variables automatically | |
| 6 - SQL buffer with list, run, ed, get, etc.; unlike SQL*Plus, buffer stores session's full history | |
| 7 - @script.sql loads and runs (like SQL*Plus) | |
| 8 - ! runs operating-system command | |
| 9 - show and set to control sqlpython parameters | |
| 10 - SQL*Plus-style describe, spool | |
| 11 - write sends query result directly to file | |
| 12 - comments shows table and column comments | |
| 13 - compare ... to ... graphically compares results of two queries | |
| 14 - commands are case-insensitive | |
| 15 - context-sensitive tab-completion for table names, column names, etc. | |
| 16 | |
| 17 Use 'help' within sqlpython for details. | |
| 18 | |
| 19 Set bind variables the hard (SQL*Plus) way | |
| 20 exec :b = 3 | |
| 21 or with a python-like shorthand | |
| 22 :b = 3 | |
| 23 | |
| 24 - catherinedevlin.blogspot.com May 31, 2006 | |
| 25 """ | |
| 415 | 26 import sys, os, re, sqlpython, pyparsing, re, completion |
| 396 | 27 import datetime, pickle, binascii, subprocess, time, itertools, hashlib |
| 400 | 28 import traceback, operator |
|
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29 from cmd2 import Cmd, make_option, options, Statekeeper, Cmd2TestCase, options_defined |
| 189 | 30 from output_templates import output_templates |
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31 from metadata import metaqueries |
| 189 | 32 from plothandler import Plot |
| 415 | 33 from sqlpython import Parser, cx_Oracle, psycopg2 |
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34 try: |
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35 import psycopg2.extensions |
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36 except ImportError: |
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37 pass |
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38 import imagedetect |
| 359 | 39 import warnings |
| 40 warnings.filterwarnings('ignore', 'BaseException.message', DeprecationWarning) | |
| 189 | 41 try: |
| 42 import pylab | |
|
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43 except (RuntimeError, ImportError): |
| 189 | 44 pass |
| 45 | |
| 46 queries = { | |
| 47 'resolve': """ | |
| 48 SELECT object_type, object_name, owner FROM ( | |
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49 SELECT object_type, object_name, user AS owner, 1 priority |
| 189 | 50 FROM user_objects |
| 51 WHERE object_name = :objName | |
| 52 UNION ALL | |
| 53 SELECT ao.object_type, ao.object_name, ao.owner, 2 priority | |
| 54 FROM all_objects ao | |
| 55 JOIN user_synonyms us ON (us.table_owner = ao.owner AND us.table_name = ao.object_name) | |
| 56 WHERE us.synonym_name = :objName | |
| 57 AND ao.object_type != 'SYNONYM' | |
| 58 UNION ALL | |
| 59 SELECT ao.object_type, ao.object_name, ao.owner, 3 priority | |
| 60 FROM all_objects ao | |
| 61 JOIN all_synonyms asyn ON (asyn.table_owner = ao.owner AND asyn.table_name = ao.object_name) | |
| 62 WHERE asyn.synonym_name = :objName | |
| 63 AND ao.object_type != 'SYNONYM' | |
| 64 AND asyn.owner = 'PUBLIC' | |
| 65 UNION ALL | |
| 66 SELECT 'DIRECTORY' object_type, dir.directory_name, dir.owner, 6 priority | |
| 67 FROM all_directories dir | |
| 68 WHERE dir.directory_name = :objName | |
| 69 UNION ALL | |
| 70 SELECT 'DATABASE LINK' object_type, db_link, owner, 7 priority | |
| 71 FROM all_db_links dbl | |
| 72 WHERE dbl.db_link = :objName | |
| 73 ) ORDER BY priority ASC, | |
| 74 length(object_type) ASC, | |
| 75 object_type DESC""", # preference: PACKAGE before PACKAGE BODY, TABLE before INDEX | |
| 76 'tabComments': """ | |
| 77 SELECT comments | |
| 78 FROM all_tab_comments | |
| 79 WHERE owner = :owner | |
| 80 AND table_name = :table_name""", | |
| 81 'colComments': """ | |
| 193 | 82 SELECT |
| 189 | 83 atc.column_name, |
| 84 acc.comments | |
| 85 FROM all_tab_columns atc | |
| 86 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
| 87 WHERE atc.table_name = :object_name | |
| 88 AND atc.owner = :owner | |
| 193 | 89 ORDER BY atc.column_id;""", |
| 189 | 90 'oneColComments': """ |
| 371 | 91 SELECT atc.column_name, |
| 189 | 92 acc.comments |
| 93 FROM all_tab_columns atc | |
| 94 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
| 95 WHERE atc.table_name = :object_name | |
| 96 AND atc.owner = :owner | |
| 97 AND acc.column_name = :column_name | |
| 193 | 98 ORDER BY atc.column_id;""", |
| 189 | 99 #thanks to Senora.pm for "refs" |
| 100 'refs': """ | |
| 101 NULL referenced_by, | |
| 102 c2.table_name references, | |
| 103 c1.constraint_name constraint | |
| 104 FROM | |
| 105 user_constraints c1, | |
| 106 user_constraints c2 | |
| 107 WHERE | |
| 108 c1.table_name = :object_name | |
| 109 and c1.constraint_type ='R' | |
| 110 and c1.r_constraint_name = c2.constraint_name | |
| 111 and c1.r_owner = c2.owner | |
| 112 and c1.owner = :owner | |
| 113 UNION | |
| 114 SELECT c1.table_name referenced_by, | |
| 115 NULL references, | |
| 116 c1.constraint_name constraint | |
| 117 FROM | |
| 118 user_constraints c1, | |
| 119 user_constraints c2 | |
| 120 WHERE | |
| 121 c2.table_name = :object_name | |
| 122 and c1.constraint_type ='R' | |
| 123 and c1.r_constraint_name = c2.constraint_name | |
| 124 and c1.r_owner = c2.owner | |
| 125 and c1.owner = :owner | |
| 126 """ | |
| 127 } | |
| 128 | |
| 129 class SoftwareSearcher(object): | |
| 130 def __init__(self, softwareList, purpose): | |
| 131 self.softwareList = softwareList | |
| 132 self.purpose = purpose | |
| 133 self.software = None | |
| 134 def invoke(self, *args): | |
| 135 if not self.software: | |
| 136 (self.software, self.invokeString) = self.find() | |
| 137 argTuple = tuple([self.software] + list(args)) | |
| 138 os.system(self.invokeString % argTuple) | |
| 139 def find(self): | |
| 140 if self.purpose == 'text editor': | |
| 141 software = os.environ.get('EDITOR') | |
| 142 if software: | |
| 143 return (software, '%s %s') | |
| 144 for (n, (software, invokeString)) in enumerate(self.softwareList): | |
| 145 if os.path.exists(software): | |
| 146 if n > (len(self.softwareList) * 0.7): | |
| 147 print """ | |
| 148 | |
| 149 Using %s. Note that there are better options available for %s, | |
| 150 but %s couldn't find a better one in your PATH. | |
| 151 Feel free to open up %s | |
| 152 and customize it to find your favorite %s program. | |
| 153 | |
| 154 """ % (software, self.purpose, __file__, __file__, self.purpose) | |
| 155 return (software, invokeString) | |
| 156 stem = os.path.split(software)[1] | |
| 157 for p in os.environ['PATH'].split(os.pathsep): | |
| 158 if os.path.exists(os.sep.join([p, stem])): | |
| 159 return (stem, invokeString) | |
| 160 raise (OSError, """Could not find any %s programs. You will need to install one, | |
| 161 or customize %s to make it aware of yours. | |
| 162 Looked for these programs: | |
| 163 %s""" % (self.purpose, __file__, "\n".join([s[0] for s in self.softwareList]))) | |
| 164 | |
| 165 softwareLists = { | |
| 166 'diff/merge': [ | |
| 167 ('/usr/bin/meld',"%s %s %s"), | |
| 168 ('/usr/bin/kdiff3',"%s %s %s"), | |
| 169 (r'C:\Program Files\Araxis\Araxis Merge v6.5\Merge.exe','"%s" %s %s'), | |
| 170 (r'C:\Program Files\TortoiseSVN\bin\TortoiseMerge.exe', '"%s" /base:"%s" /mine:"%s"'), | |
| 171 ('FileMerge','%s %s %s'), | |
| 172 ('kompare','%s %s %s'), | |
| 173 ('WinMerge','%s %s %s'), | |
| 174 ('xxdiff','%s %s %s'), | |
| 175 ('fldiff','%s %s %s'), | |
| 176 ('gtkdiff','%s %s %s'), | |
| 177 ('tkdiff','%s %s %s'), | |
| 178 ('gvimdiff','%s %s %s'), | |
| 179 ('diff',"%s %s %s"), | |
| 180 (r'c:\windows\system32\comp.exe',"%s %s %s")], | |
| 181 'text editor': [ | |
| 182 ('gedit', '%s %s'), | |
| 183 ('textpad', '%s %s'), | |
| 184 ('notepad.exe', '%s %s'), | |
| 185 ('pico', '%s %s'), | |
| 186 ('emacs', '%s %s'), | |
| 187 ('vim', '%s %s'), | |
| 188 ('vi', '%s %s'), | |
| 189 ('ed', '%s %s'), | |
| 190 ('edlin', '%s %s') | |
| 191 ] | |
| 192 } | |
| 193 | |
| 194 diffMergeSearcher = SoftwareSearcher(softwareLists['diff/merge'],'diff/merge') | |
| 195 editSearcher = SoftwareSearcher(softwareLists['text editor'], 'text editor') | |
| 196 editor = os.environ.get('EDITOR') | |
| 197 if editor: | |
| 198 editSearcher.find = lambda: (editor, "%s %s") | |
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199 |
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200 |
| 189 | 201 class CaselessDict(dict): |
| 202 """dict with case-insensitive keys. | |
| 203 | |
| 204 Posted to ASPN Python Cookbook by Jeff Donner - http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66315""" | |
| 205 def __init__(self, other=None): | |
| 206 if other: | |
| 207 # Doesn't do keyword args | |
| 208 if isinstance(other, dict): | |
| 209 for k,v in other.items(): | |
| 210 dict.__setitem__(self, k.lower(), v) | |
| 211 else: | |
| 212 for k,v in other: | |
| 213 dict.__setitem__(self, k.lower(), v) | |
| 214 def __getitem__(self, key): | |
| 215 return dict.__getitem__(self, key.lower()) | |
| 216 def __setitem__(self, key, value): | |
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217 try: |
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218 key = key.lower() |
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219 except AttributeError: |
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220 pass |
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221 dict.__setitem__(self, key, value) |
| 189 | 222 def __contains__(self, key): |
| 223 return dict.__contains__(self, key.lower()) | |
| 224 def has_key(self, key): | |
| 225 return dict.has_key(self, key.lower()) | |
| 226 def get(self, key, def_val=None): | |
| 227 return dict.get(self, key.lower(), def_val) | |
| 228 def setdefault(self, key, def_val=None): | |
| 229 return dict.setdefault(self, key.lower(), def_val) | |
| 230 def update(self, other): | |
| 231 for k,v in other.items(): | |
| 232 dict.__setitem__(self, k.lower(), v) | |
| 233 def fromkeys(self, iterable, value=None): | |
| 234 d = CaselessDict() | |
| 235 for k in iterable: | |
| 236 dict.__setitem__(d, k.lower(), value) | |
| 237 return d | |
| 238 def pop(self, key, def_val=None): | |
| 239 return dict.pop(self, key.lower(), def_val) | |
| 240 | |
| 271 | 241 class ResultSet(list): |
| 242 pass | |
| 243 | |
| 244 class Result(tuple): | |
| 245 def __str__(self): | |
| 272 | 246 return '\n'.join('%s: %s' % (colname, self[idx]) |
| 247 for (idx, colname) in enumerate(self.resultset.colnames)) | |
| 271 | 248 def __getattr__(self, attr): |
| 249 attr = attr.lower() | |
| 250 try: | |
| 251 return self[self.resultset.colnames.index(attr)] | |
| 252 except ValueError: | |
| 307 | 253 if attr in ('colnames', 'statement', 'bindvars', 'resultset'): |
| 271 | 254 return getattr(self.resultset, attr) |
| 255 else: | |
| 256 raise AttributeError, "available columns are: " + ", ".join(self.resultset.colnames) | |
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257 def bind(self): |
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258 for (idx, colname) in enumerate(self.resultset.colnames): |
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259 self.resultset.pystate['binds'][colname] = self[idx] |
| 277 | 260 self.resultset.pystate['binds'][str(idx+1)] = self[idx] |
| 271 | 261 |
| 288 | 262 def centeredSlice(lst, center=0, width=1): |
| 263 width = max(width, -1) | |
| 264 if center < 0: | |
| 265 end = center + width + 1 | |
| 266 if end >= 0: | |
| 267 end = None | |
| 268 return lst[center-width:end] | |
| 269 else: | |
| 270 return lst[max(center-width,0):center+width+1] | |
| 271 | |
| 360 | 272 |
| 273 def offset_to_line(instring, offset): | |
| 274 r""" | |
| 275 >>> offset_to_line('abcdefghijkl', 5) | |
| 276 (0, 'abcdefghijkl', 5) | |
| 277 >>> offset_to_line('ab\ncd\nefg', 6) | |
| 278 (2, 'efg', 0) | |
| 279 >>> offset_to_line('ab\ncd\nefg', 5) | |
| 280 (1, 'cd\n', 2) | |
| 281 >>> offset_to_line('abcdefghi\njkl', 5) | |
| 282 (0, 'abcdefghi\n', 5) | |
| 283 >>> offset_to_line('abcdefghi\njkl', 700) | |
| 284 | |
| 285 """ | |
| 286 lineNum = 0 | |
| 287 for line in instring.splitlines(True): | |
| 288 if offset < len(line): | |
| 289 return lineNum, line, offset | |
| 290 lineNum += 1 | |
| 291 offset -= len(line) | |
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292 |
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293 class BlobDisplayer(object): |
| 366 | 294 folder_name = 'sqlpython_blob_store' |
| 367 | 295 imgwidth = 400 |
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296 def folder_ok(self): |
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297 if not os.access(self.folder_name, os.F_OK): |
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298 try: |
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299 os.mkdir(self.folder_name) |
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300 readme = open(os.path.join(self.folder_name, 'README.txt'),'w') |
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301 readme.write(''' |
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302 Temporary files for display of BLOBs from within |
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303 sqlpython. Delete when sqlpython is closed.''') |
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304 readme.close() |
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305 except: |
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306 return False |
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307 return True |
| 367 | 308 def __init__(self, blob, under_limit): |
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309 self.url = '' |
| 367 | 310 if under_limit: |
| 311 self.blob = blob.read() | |
| 312 self.hashed = hashlib.md5(self.blob).hexdigest() | |
| 313 self.extension = imagedetect.extension_from_data(self.blob) | |
| 314 if self.folder_ok(): | |
| 315 self.file_name = '%s/%s%s' % ( | |
| 316 os.path.join(os.getcwd(), self.folder_name), | |
| 317 self.hashed, self.extension) | |
| 318 self.url = 'file://%s' % self.file_name | |
| 319 if not os.access(self.file_name, os.F_OK): | |
| 320 outfile = open(self.file_name, 'wb') | |
| 321 outfile.write(self.blob) | |
| 322 outfile.close() | |
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323 def __str__(self): |
| 367 | 324 if self.url: |
| 325 return '(BLOB at %s)' % self.url | |
| 326 else: | |
| 327 return '(BLOB)' | |
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328 def html(self): |
| 367 | 329 if self.url: |
| 330 return '<a href="%s"><img src="%s" width="%d" /></a>' % ( | |
| 331 self.url, self.url, self.imgwidth) | |
| 332 else: | |
| 333 return '(BLOB not saved, check bloblimit)' | |
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334 |
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335 class BlobDisplayer_postgresql(BlobDisplayer): |
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336 imgwidth = 400 |
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337 def __init__(self, blob_oid, under_limit, sqlpython_instance): |
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338 self.url = '' |
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339 if under_limit: |
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340 if self.folder_ok(): |
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341 self.lobject = psycopg2.extensions.lobject(conn=sqlpython_instance.current_instance.connection, oid=blob_oid) |
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342 self.blob = self.lobject.read() |
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343 self.extension = imagedetect.extension_from_data(self.blob) |
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344 self.file_name = '%s/%d%s' % ( |
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345 os.path.join(os.getcwd(), self.folder_name), |
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346 blob_oid, self.extension) |
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347 self.url = 'file://%s' % self.file_name |
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348 self.lobject.export(self.file_name) |
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349 self.lobject.close() |
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350 |
| 407 | 351 class Abbreviatable_List(list): |
| 352 def match(self, target): | |
| 353 target = target.lower() | |
| 354 result = [i for i in self if i.startswith(target)] | |
| 355 if len(result) == 0: | |
| 356 raise ValueError, 'None of %s start with %s' % (str(self), target) | |
| 357 elif len(result) > 1: | |
| 358 raise ValueError, 'Too many matches: %s' % str(result) | |
| 359 return result[0] | |
| 360 | |
| 189 | 361 class sqlpyPlus(sqlpython.sqlpython): |
| 362 defaultExtension = 'sql' | |
|
289
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363 abbrev = True |
| 189 | 364 sqlpython.sqlpython.shortcuts.update({':': 'setbind', |
| 365 '\\': 'psql', | |
| 286 | 366 '@': 'get'}) |
| 189 | 367 multilineCommands = '''select insert update delete tselect |
| 368 create drop alter _multiline_comment'''.split() | |
| 369 sqlpython.sqlpython.noSpecialParse.append('spool') | |
| 428 | 370 prefixParser = pyparsing.Optional(pyparsing.Word(pyparsing.nums)('instance_number') |
|
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371 + ':') |
|
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372 reserved_words = [ |
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373 'alter', 'begin', 'comment', 'create', 'delete', 'drop', 'end', 'for', 'grant', |
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374 'insert', 'intersect', 'lock', 'minus', 'on', 'order', 'rename', |
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375 'resource', 'revoke', 'select', 'share', 'start', 'union', 'update', |
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376 'where', 'with'] |
| 247 | 377 default_file_name = 'afiedt.buf' |
| 417 | 378 settable = sqlpython.sqlpython.settable + ''' |
| 379 autobind Always fill bind variables from final row | |
| 380 bloblimit Max # of BLOBs to copy to disk for each query | |
| 381 colors colorize query results (*nix only) | |
| 382 commit_on_exit automatically COMMIT when exiting program | |
| 383 default_rdbms | |
| 384 maxfetch limit # of rows fetched | |
| 385 maxtselctrows max # rows in transposed results | |
| 386 rows_remembered # rows stored in ``r`` for python access | |
| 387 scan interpolate substitution variables | |
| 388 serveroutput send dbms_output.put_line to screen (Oracle) | |
| 389 sql_echo echo SQL commands | |
|
416
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390 timeout |
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391 heading |
| 417 | 392 wildsql Accept wildcards, position #s in column names |
| 449 | 393 version''' |
| 463 | 394 |
| 189 | 395 def __init__(self): |
|
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396 # override commentGrammars before top-level __init__, or they won't affect self.parser |
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397 self.doubleDashComment = pyparsing.NotAny(pyparsing.Or(options_defined)) + pyparsing.Literal('--') + pyparsing.restOfLine |
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398 self.commentGrammars = pyparsing.Or([pyparsing.cStyleComment, self.doubleDashComment]) |
| 189 | 399 sqlpython.sqlpython.__init__(self) |
| 400 self.binds = CaselessDict() | |
|
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401 if self.settable.has_key('case_insensitive'): |
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402 self.settable.pop('case_insensitive') |
| 189 | 403 self.stdoutBeforeSpool = sys.stdout |
| 249 | 404 self.sql_echo = False |
| 189 | 405 self.spoolFile = None |
| 406 self.autobind = False | |
| 229 | 407 self.heading = True |
| 240 | 408 self.wildsql = False |
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409 self.serveroutput = True |
| 271 | 410 self.scan = True |
| 411 self.substvars = {} | |
| 412 self.result_history = [] | |
|
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413 self.rows_remembered = 10000 |
| 367 | 414 self.bloblimit = 5 |
| 407 | 415 self.default_rdbms = 'oracle' |
| 416 self.rdbms_supported = Abbreviatable_List('oracle postgres mysql'.split()) | |
| 370 | 417 self.version = 'SQLPython %s' % sqlpython.__version__ |
| 284 | 418 self.pystate = {'r': [], 'binds': self.binds, 'substs': self.substvars} |
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419 |
| 189 | 420 # overrides cmd's parseline |
| 421 def parseline(self, line): | |
| 422 """Parse the line into a command name and a string containing | |
| 423 the arguments. Returns a tuple containing (command, args, line). | |
| 424 'command' and 'args' may be None if the line couldn't be parsed. | |
| 425 Overrides cmd.cmd.parseline to accept variety of shortcuts..""" | |
| 426 | |
| 427 cmd, arg, line = sqlpython.sqlpython.parseline(self, line) | |
| 428 if cmd in ('select', 'sleect', 'insert', 'update', 'delete', 'describe', | |
| 429 'desc', 'comments', 'pull', 'refs', 'desc', 'triggers', 'find') \ | |
| 430 and not hasattr(self, 'curs'): | |
| 333 | 431 self.perror('Not connected.') |
| 189 | 432 return '', '', '' |
| 433 return cmd, arg, line | |
|
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434 |
| 359 | 435 def perror(self, err, statement=None): |
| 396 | 436 if self.debug: |
| 437 traceback.print_exc() | |
| 359 | 438 try: |
| 360 | 439 linenum, line, offset = offset_to_line(statement.parsed.raw, err.message.offset) |
| 440 print line.strip() | |
| 441 print '%s*' % (' ' * offset) | |
| 442 print 'ERROR at line %d:' % (linenum + 1) | |
| 359 | 443 except AttributeError: |
| 396 | 444 pass |
| 359 | 445 print str(err) |
|
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446 def dbms_output(self): |
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447 "Dumps contents of Oracle's DBMS_OUTPUT buffer (where PUT_LINE goes)" |
| 261 | 448 try: |
| 415 | 449 line = self.curs.var(cx_Oracle.STRING) # TODO: would regular string and number work? |
| 261 | 450 status = self.curs.var(cx_Oracle.NUMBER) |
|
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451 self.curs.callproc('dbms_output.get_line', [line, status]) |
| 261 | 452 while not status.getvalue(): |
|
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453 self.poutput(line.getvalue()) |
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454 self.poutput('\n') |
| 261 | 455 self.curs.callproc('dbms_output.get_line', [line, status]) |
| 456 except AttributeError: | |
| 457 pass | |
|
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458 |
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459 def postcmd(self, stop, line): |
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460 """Hook method executed just after a command dispatch is finished.""" |
| 371 | 461 if ( hasattr(self, 'rdbms') |
| 462 and (self.rdbms == 'oracle') | |
| 463 and self.serveroutput): | |
|
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464 self.dbms_output() |
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465 return stop |
| 241 | 466 |
|
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467 def do_remark(self, line): |
| 242 | 468 ''' |
|
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469 REMARK is one way to denote a comment in SQL*Plus. |
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470 |
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471 Wrapping a *single* SQL or PL/SQL statement in `REMARK BEGIN` and `REMARK END` |
| 241 | 472 tells sqlpython to submit the enclosed code directly to Oracle as a single |
| 242 | 473 unit of code. |
| 241 | 474 |
| 475 Without these markers, sqlpython fails to properly distinguish the beginning | |
| 476 and end of all but the simplest PL/SQL blocks, causing errors. sqlpython also | |
| 477 slows down when parsing long SQL statements as it tries to determine whether | |
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478 the statement has ended yet; `REMARK BEGIN` and `REMARK END` allow it to skip this |
| 241 | 479 parsing. |
| 480 | |
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481 Standard SQL*Plus interprets REMARK BEGIN and REMARK END as comments, so it is |
| 242 | 482 safe to include them in SQL*Plus scripts. |
| 241 | 483 ''' |
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484 if not line.lower().strip().startswith('begin'): |
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485 return |
| 241 | 486 statement = [] |
| 247 | 487 next = self.pseudo_raw_input(self.continuation_prompt) |
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488 while next.lower().split()[:2] != ['remark','end']: |
| 241 | 489 statement.append(next) |
| 247 | 490 next = self.pseudo_raw_input(self.continuation_prompt) |
| 452 | 491 return self.onecmd_plus_hooks('\n'.join(statement)) |
| 272 | 492 |
| 292 | 493 def do_py(self, arg): |
| 272 | 494 ''' |
| 495 py <command>: Executes a Python command. | |
| 297 | 496 py: Enters interactive Python mode. |
| 497 End with `Ctrl-D` (Unix) / `Ctrl-Z` (Windows), `quit()`, 'exit()`. | |
| 292 | 498 Past SELECT results are exposed as list `r`; |
| 275 | 499 most recent resultset is `r[-1]`. |
| 292 | 500 SQL bind, substitution variables are exposed as `binds`, `substs`. |
| 296 | 501 SQL and sqlpython commands can be issued with `sql("your command")`. |
| 459 | 502 Run python code from external files with ``run("filename.py")`` |
| 272 | 503 ''' |
| 292 | 504 return Cmd.do_py(self, arg) |
| 284 | 505 |
| 506 def do_get(self, args): | |
| 507 """ | |
| 508 `get {script.sql}` or `@{script.sql}` runs the command(s) in {script.sql}. | |
| 509 If additional arguments are supplied, they are assigned to &1, &2, etc. | |
| 510 """ | |
| 511 fname, args = args.split()[0], args.split()[1:] | |
| 512 for (idx, arg) in enumerate(args): | |
| 513 self.substvars[str(idx+1)] = arg | |
| 514 return Cmd.do__load(self, fname) | |
| 515 | |
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516 def _onchange_serveroutput(self, old, new): |
|
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517 if (self.rdbms == 'oracle'): |
| 315 | 518 if new: |
| 519 self.curs.callproc('dbms_output.enable', []) | |
| 520 else: | |
| 521 self.curs.callproc('dbms_output.disable', []) | |
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522 |
| 189 | 523 def do_shortcuts(self,arg): |
| 524 """Lists available first-character shortcuts | |
| 525 (i.e. '!dir' is equivalent to 'shell dir')""" | |
|
335
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526 for (scchar, scto) in self.shortcuts: |
| 333 | 527 self.poutput('%s: %s' % (scchar, scto)) |
| 189 | 528 |
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529 tableNameFinder = re.compile(r'from\s+([\w$#_"]+)', re.IGNORECASE | re.MULTILINE | re.DOTALL) |
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530 def formattedForSql(self, datum): |
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531 if datum is None: |
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532 return 'NULL' |
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533 elif isinstance(datum, basestring): |
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534 return "'%s'" % datum.replace("'","''") |
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535 try: |
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536 return datum.strftime("TO_DATE('%Y-%m-%d %H:%M:%S', 'YYYY-MM-DD HH24:MI:SS')") |
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537 except AttributeError: |
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538 return str(datum) |
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539 |
| 401 | 540 def tabular_output(self, outformat, tblname=None): |
| 400 | 541 if tblname: |
| 542 self.tblname = tblname | |
| 543 else: | |
| 544 try: | |
| 545 self.tblname = self.tableNameFinder.search(self.querytext).group(1) | |
| 546 except AttributeError: | |
| 547 self.tblname = '' | |
| 189 | 548 if outformat in output_templates: |
| 549 self.colnamelen = max(len(colname) for colname in self.colnames) | |
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550 result = output_templates[outformat].generate(formattedForSql=self.formattedForSql, **self.__dict__) |
| 189 | 551 elif outformat == '\\t': # transposed |
| 552 rows = [self.colnames] | |
| 553 rows.extend(list(self.rows)) | |
| 554 transpr = [[rows[y][x] for y in range(len(rows))]for x in range(len(rows[0]))] # matrix transpose | |
| 555 newdesc = [['ROW N.'+str(y),10] for y in range(len(rows))] | |
| 399 | 556 for x in range(len(self.coltypes)): |
| 557 if str(self.coltypes[x]) == "<type 'cx_Oracle.BINARY'>": # handles RAW columns | |
| 189 | 558 rname = transpr[x][0] |
| 559 transpr[x] = map(binascii.b2a_hex, transpr[x]) | |
| 560 transpr[x][0] = rname | |
| 401 | 561 self.colnames = ['ROW N.%d' % y for y in range(len(rows))] |
| 562 self.colnames[0] = 'COLUMN NAME' | |
| 563 self.coltypes = [str] * len(self.colnames) | |
| 564 result = '\n' + self.pmatrix(transpr) | |
| 189 | 565 elif outformat in ('\\l', '\\L', '\\p', '\\b'): |
| 566 plot = Plot() | |
| 567 plot.build(self, outformat) | |
| 568 plot.shelve() | |
| 569 plot.draw() | |
| 570 return '' | |
| 571 else: | |
| 400 | 572 result = self.pmatrix(self.rows, |
| 337 | 573 self.maxfetch, heading=self.heading, |
| 574 restructuredtext = (outformat == '\\r')) | |
| 189 | 575 return result |
| 576 | |
| 577 legalOracle = re.compile('[a-zA-Z_$#]') | |
| 578 | |
| 579 def select_scalar_list(self, sql, binds={}): | |
| 249 | 580 self._execute(sql, binds) |
| 189 | 581 return [r[0] for r in self.curs.fetchall()] |
| 582 | |
| 583 columnNameRegex = re.compile( | |
| 584 r'select\s+(.*)from', | |
| 585 re.IGNORECASE | re.DOTALL | re.MULTILINE) | |
| 586 def completedefault(self, text, line, begidx, endidx): | |
|
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587 (username, gerald_schema) = self.metadata() |
| 419 | 588 segment = completion.whichSegment(line) |
| 189 | 589 text = text.upper() |
| 406 | 590 if segment in ('select', 'where', 'having', 'set', 'order by', 'group by'): |
| 405 | 591 completions = [c for c in schemas[username].column_names if c.startswith(text)] \ |
| 592 or [c for c in schemas.qual_column_names if c.startswith(text)] | |
| 593 # TODO: the latter not working | |
| 406 | 594 elif segment in ('from', 'update', 'insert into'): |
| 419 | 595 # print schemas[username].table_names |
| 596 # TODO: from postgres, these table names are jrrt.fishies, etc. | |
| 405 | 597 completions = [t for t in schemas[username].table_names if t.startswith(text)] |
| 406 | 598 elif segment == 'beginning': |
| 599 completions = [n for n in self.get_names() if n.startswith('do_')] + [ | |
| 600 'insert', 'update', 'delete', 'drop', 'alter', 'begin', 'declare', 'create'] | |
| 601 completions = [c for c in completions if c.startswith(text)] | |
| 407 | 602 elif segment: |
| 603 completions = [t for t in schemas[username].table_names if t.startswith(text)] | |
| 406 | 604 else: |
| 605 completions = [r for r in completion.reserved if r.startswith(text)] | |
| 189 | 606 return completions |
| 406 | 607 |
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608 columnlistPattern = pyparsing.SkipTo(pyparsing.CaselessKeyword('from'))('columns') + \ |
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609 pyparsing.SkipTo(pyparsing.stringEnd)('remainder') |
| 233 | 610 |
| 236 | 611 negator = pyparsing.Literal('!')('exclude') |
| 242 | 612 colNumber = pyparsing.Optional(negator) + pyparsing.Literal('#') + pyparsing.Word('-' + pyparsing.nums, pyparsing.nums)('column_number') |
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613 colName = negator + pyparsing.Word('$_#' + pyparsing.alphas, '$_#' + pyparsing.alphanums)('column_name') |
| 241 | 614 wildColName = pyparsing.Optional(negator) + pyparsing.Word('?*%$_#' + pyparsing.alphas, '?*%$_#' + pyparsing.alphanums, min=2)('column_name') |
| 242 | 615 colNumber.ignore(pyparsing.cStyleComment).ignore(Parser.comment_def). \ |
| 616 ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString) | |
| 235 | 617 wildSqlParser = colNumber ^ colName ^ wildColName |
| 618 wildSqlParser.ignore(pyparsing.cStyleComment).ignore(Parser.comment_def). \ | |
| 236 | 619 ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString) |
| 620 emptyCommaRegex = re.compile(',\s*,', re.DOTALL) | |
| 621 deadStarterCommaRegex = re.compile('^\s*,', re.DOTALL) | |
| 622 deadEnderCommaRegex = re.compile(',\s*$', re.DOTALL) | |
| 233 | 623 def expandWildSql(self, arg): |
| 624 try: | |
|
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625 columnlist = self.columnlistPattern.parseString(arg) |
| 233 | 626 except pyparsing.ParseException: |
| 627 return arg | |
| 236 | 628 parseresults = list(self.wildSqlParser.scanString(columnlist.columns)) |
|
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629 # I would rather exclude non-wild column names in the grammar, |
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630 # but can't figure out how |
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631 parseresults = [p for p in parseresults if |
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632 p[0].column_number or |
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633 '*' in p[0].column_name or |
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634 '%' in p[0].column_name or |
| 241 | 635 '?' in p[0].column_name or |
|
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636 p[0].exclude] |
| 236 | 637 if not parseresults: |
| 638 return arg | |
|
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639 self.curs.execute('select * ' + columnlist.remainder, self.varsUsed) |
| 236 | 640 columns_available = [d[0] for d in self.curs.description] |
|
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641 replacers = {} |
| 236 | 642 included = set() |
| 643 excluded = set() | |
| 644 for (col, startpos, endpos) in parseresults: | |
|
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645 replacers[arg[startpos:endpos]] = [] |
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646 if col.column_name: |
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647 finder = col.column_name.replace('*','.*') |
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648 finder = finder.replace('%','.*') |
| 241 | 649 finder = finder.replace('?','.') |
| 650 colnames = [c for c in columns_available if re.match(finder + '$', c, re.IGNORECASE)] | |
|
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651 elif col.column_number: |
| 236 | 652 idx = int(col.column_number) |
| 653 if idx > 0: | |
| 654 idx -= 1 | |
|
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655 colnames = [columns_available[idx]] |
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656 if not colnames: |
| 333 | 657 self.pfeedback('No columns found matching criteria.') |
|
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658 return 'null from dual' |
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659 for colname in colnames: |
| 236 | 660 if col.exclude: |
| 661 included.discard(colname) | |
| 662 include_here = columns_available[:] | |
| 663 include_here.remove(colname) | |
| 240 | 664 replacers[arg[startpos:endpos]].extend(i for i in include_here if i not in replacers[arg[startpos:endpos]]) |
| 236 | 665 excluded.add(colname) |
| 666 else: | |
| 667 excluded.discard(colname) | |
|
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668 replacers[arg[startpos:endpos]].append(colname) |
| 236 | 669 |
|
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670 replacers = sorted(replacers.items(), key=len, reverse=True) |
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671 result = columnlist.columns |
| 236 | 672 for (target, replacement) in replacers: |
| 242 | 673 cols = [r for r in replacement if r not in excluded and r not in included] |
|
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674 replacement = ', '.join(cols) |
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675 included.update(cols) |
| 236 | 676 result = result.replace(target, replacement) |
| 242 | 677 # some column names could get wiped out completely, so we fix their dangling commas |
| 236 | 678 result = self.emptyCommaRegex.sub(',', result) |
| 679 result = self.deadStarterCommaRegex.sub('', result) | |
| 680 result = self.deadEnderCommaRegex.sub('', result) | |
| 242 | 681 if not result.strip(): |
| 333 | 682 self.pfeedback('No columns found matching criteria.') |
| 242 | 683 return 'null from dual' |
| 237 | 684 return result + ' ' + columnlist.remainder |
| 284 | 685 |
| 333 | 686 do_prompt = Cmd.poutput |
| 233 | 687 |
| 284 | 688 def do_accept(self, args): |
| 689 try: | |
| 690 prompt = args[args.lower().index('prompt ')+7:] | |
| 691 except ValueError: | |
| 692 prompt = '' | |
| 693 varname = args.lower().split()[0] | |
| 694 self.substvars[varname] = self.pseudo_raw_input(prompt) | |
|
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695 |
| 281 | 696 def ampersand_substitution(self, raw, regexpr, isglobal): |
| 271 | 697 subst = regexpr.search(raw) |
| 698 while subst: | |
| 699 fullexpr, var = subst.group(1), subst.group(2) | |
| 333 | 700 self.pfeedback('Substitution variable %s found in:' % fullexpr) |
| 701 self.pfeedback(raw[max(subst.start()-20, 0):subst.end()+20]) | |
| 284 | 702 if var in self.substvars: |
| 271 | 703 val = self.substvars[var] |
| 704 else: | |
| 705 val = raw_input('Substitution for %s (SET SCAN OFF to halt substitution): ' % fullexpr) | |
| 706 if val.lower().split() == ['set','scan','off']: | |
| 707 self.scan = False | |
| 708 return raw | |
| 709 if isglobal: | |
| 710 self.substvars[var] = val | |
| 711 raw = raw.replace(fullexpr, val) | |
| 333 | 712 self.pfeedback('Substituted %s for %s' % (val, fullexpr)) |
| 271 | 713 subst = regexpr.search(raw) # do not FINDALL b/c we don't want to ask twice |
| 714 return raw | |
| 284 | 715 |
| 419 | 716 doublenumericampre = re.compile('(&&(\d+))') |
| 717 numericampre = re.compile('(&(\d+))') | |
| 284 | 718 doubleampre = re.compile('(&&([a-zA-Z\d_$#]+))', re.IGNORECASE) |
| 719 singleampre = re.compile( '(&([a-zA-Z\d_$#]+))', re.IGNORECASE) | |
| 271 | 720 def preparse(self, raw, **kwargs): |
| 721 if self.scan: | |
| 419 | 722 raw = self.ampersand_substitution(raw, regexpr=self.doublenumericampre, isglobal=True) |
| 723 if self.scan: | |
| 284 | 724 raw = self.ampersand_substitution(raw, regexpr=self.numericampre, isglobal=False) |
| 725 if self.scan: | |
| 281 | 726 raw = self.ampersand_substitution(raw, regexpr=self.doubleampre, isglobal=True) |
| 271 | 727 if self.scan: |
| 281 | 728 raw = self.ampersand_substitution(raw, regexpr=self.singleampre, isglobal=False) |
| 271 | 729 return raw |
| 730 | |
| 189 | 731 rowlimitPattern = pyparsing.Word(pyparsing.nums)('rowlimit') |
| 308 | 732 terminators = '; \\C \\t \\i \\p \\l \\L \\b \\r'.split() + output_templates.keys() |
|
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733 |
| 281 | 734 @options([make_option('-r', '--row', type="int", default=-1, |
| 735 help='Bind row #ROW instead of final row (zero-based)')]) | |
| 314 | 736 def do_bind(self, arg, opts): |
| 281 | 737 ''' |
|
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738 Inserts the results from the final row in the last completed |
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739 SELECT statement into bind variables with names corresponding |
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740 to the column names. When the optional `autobind` setting is |
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741 on, this will be issued automatically after every query that |
| 281 | 742 returns exactly one row. |
| 743 ''' | |
| 744 try: | |
| 745 self.pystate['r'][-1][opts.row].bind() | |
| 746 except IndexError: | |
| 333 | 747 self.poutput(self.do_bind.__doc__) |
| 271 | 748 |
|
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749 def age_out_resultsets(self): |
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750 total_len = sum(len(rs) for rs in self.pystate['r']) |
|
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751 for (i, rset) in enumerate(self.pystate['r'][:-1]): |
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752 if total_len <= self.rows_remembered: |
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753 return |
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754 total_len -= len(rset) |
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755 self.pystate['r'][i] = [] |
|
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|
756 |
| 399 | 757 def rowlimit(self, arg): |
| 758 try: | |
| 401 | 759 rowlimit = int(arg.parsed.suffix) |
| 760 except (TypeError, ValueError): | |
| 761 rowlimit = None | |
| 399 | 762 if arg.parsed.terminator == '\\t': |
| 763 rowlimit = rowlimit or self.maxtselctrows | |
| 764 return rowlimit | |
| 765 | |
|
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766 def do_select(self, arg, bindVarsIn=None, terminator=None): |
| 189 | 767 """Fetch rows from a table. |
| 768 | |
| 769 Limit the number of rows retrieved by appending | |
| 770 an integer after the terminator | |
| 771 (example: SELECT * FROM mytable;10 ) | |
| 772 | |
| 773 Output may be formatted by choosing an alternative terminator | |
| 774 ("help terminators" for details) | |
| 775 """ | |
| 776 bindVarsIn = bindVarsIn or {} | |
| 399 | 777 rowlimit = self.rowlimit(arg) |
|
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778 self.varsUsed = self.findBinds(arg, bindVarsIn) |
| 233 | 779 if self.wildsql: |
|
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780 selecttext = self.expandWildSql(arg) |
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781 else: |
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782 selecttext = arg |
| 315 | 783 self.querytext = 'select ' + selecttext |
|
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784 if self.varsUsed: |
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785 self.curs.execute(self.querytext, self.varsUsed) |
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786 else: # this is an ugly workaround for the evil paramstyle curse upon DB-API2 |
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787 self.curs.execute(self.querytext) |
| 194 | 788 self.rows = self.curs.fetchmany(min(self.maxfetch, (rowlimit or self.maxfetch))) |
| 399 | 789 self.colnames = [d[0] for d in self.curs.description] |
|
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790 self.coltypes = [d[1] for d in self.curs.description] |
| 415 | 791 #TODO: Other databases can have BLOBs, too |
| 792 if cx_Oracle and (cx_Oracle.BLOB in self.coltypes): | |
|
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793 self.rows = [ |
| 367 | 794 [( (coltype == cx_Oracle.BLOB) |
| 795 and BlobDisplayer(datum, (rownum < self.bloblimit))) | |
| 796 or datum | |
| 797 for (datum, coltype) in zip(row, self.coltypes)] | |
| 798 for (rownum, row) in enumerate(self.rows)] | |
|
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799 ''' |
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800 TODO: Segfault! Drat! |
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801 elif psycopg2 and set(psycopg2.ROWID.values).intersection(set(self.coltypes)): |
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802 self.rows = [ |
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803 [( (coltype in psycopg2.ROWID.values) |
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804 and BlobDisplayer_postgresql(datum, (rownum < self.bloblimit), self)) |
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805 or datum |
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806 for (datum, coltype) in zip(row, self.coltypes)] |
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807 for (rownum, row) in enumerate(self.rows)] ''' |
|
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808 self.rc = len(self.rows) |
| 315 | 809 if self.rc != 0: |
| 271 | 810 resultset = ResultSet() |
| 811 resultset.colnames = [d[0].lower() for d in self.curs.description] | |
| 281 | 812 resultset.pystate = self.pystate |
| 271 | 813 resultset.statement = 'select ' + selecttext |
|
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814 resultset.varsUsed = self.varsUsed |
| 271 | 815 resultset.extend([Result(r) for r in self.rows]) |
| 816 for row in resultset: | |
| 817 row.resultset = resultset | |
| 281 | 818 self.pystate['r'].append(resultset) |
| 399 | 819 self.age_out_resultsets() |
| 401 | 820 self.poutput('\n%s\n' % (self.tabular_output(arg.parsed.terminator))) |
| 189 | 821 if self.rc == 0: |
| 333 | 822 self.pfeedback('\nNo rows Selected.\n') |
| 189 | 823 elif self.rc == 1: |
| 333 | 824 self.pfeedback('\n1 row selected.\n') |
| 189 | 825 if self.autobind: |
| 314 | 826 self.do_bind('') |
| 315 | 827 elif (self.rc < self.maxfetch and self.rc > 0): |
| 333 | 828 self.pfeedback('\n%d rows selected.\n' % self.rc) |
| 189 | 829 else: |
| 333 | 830 self.pfeedback('\nSelected Max Num rows (%d)' % self.rc) |
| 193 | 831 |
| 832 def do_cat(self, arg): | |
| 361 | 833 '''Shortcut for SELECT * FROM |
| 200 | 834 return self.do_select(self.parsed('SELECT * FROM %s;' % arg, |
| 835 terminator = arg.parsed.terminator or ';', | |
| 361 | 836 suffix = arg.parsed.suffix))''' |
| 452 | 837 statement = 'SELECT * FROM %s%s%s' % (arg, arg.parsed.terminator or ';', |
| 838 arg.parsed.suffix or '') | |
| 839 return self.onecmd(self.parsed(statement)) | |
| 220 | 840 |
| 396 | 841 @options([make_option('-d', '--dump', action='store_true', help='dump results to files'), |
| 842 make_option('-f', '--full', action='store_true', help='get dependent objects as well'), | |
| 843 make_option('-l', '--lines', action='store_true', help='print line numbers'), | |
| 844 make_option('-n', '--num', type='int', help='only code near line #num'), | |
| 845 make_option('-w', '--width', type='int', default=5, | |
| 846 help='# of lines before and after --lineNo'), | |
| 847 make_option('-a', '--all', action='store_true', help="all schemas' objects"), | |
| 848 #make_option('-x', '--exact', action='store_true', help="match object name exactly") | |
| 397 | 849 ]) |
| 850 def do_pull(self, arg, opts): | |
| 220 | 851 """Displays source code.""" |
| 397 | 852 self._pull(arg, opts) |
| 853 | |
| 854 def _pull(self, arg, opts, vc=None): | |
| 396 | 855 opts.exact = True |
| 856 statekeeper = Statekeeper(opts.dump and self, ('stdout',)) | |
|
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857 (username, gerald_schema) = self.metadata() |
| 220 | 858 try: |
|
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859 for description in self._matching_database_objects(arg, opts): |
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860 self.poutput(description.path) |
|
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861 txt = description.dbobj.get_ddl() |
| 396 | 862 if opts.get('lines'): |
|
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863 txt = self._with_line_numbers(txt) |
| 396 | 864 if opts.dump: |
| 442 | 865 owner = description.owner or self.current_instance.username |
| 866 path = os.path.join(owner.lower(), description.type.lower()) \ | |
| 396 | 867 .replace(' ', '_') |
| 868 try: | |
| 869 os.makedirs(path) | |
| 870 except OSError: | |
| 871 pass | |
| 442 | 872 filename = os.path.join(path, '%s.sql' % description.unqualified_name.lower()) |
| 396 | 873 self.stdout = open(filename, 'w') |
| 874 if opts.get('num') is not None: | |
| 397 | 875 txt = txt.splitlines() |
| 396 | 876 txt = centeredSlice(txt, center=opts.num+1, width=opts.width) |
| 877 txt = '\n'.join(txt) | |
| 878 else: | |
|
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879 txt = 'REMARK BEGIN %s\n%s\nREMARK END\n' % (description.path, txt) |
| 396 | 880 |
| 881 self.poutput(txt) | |
| 882 if opts.full: | |
|
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883 for dependent_type in ('constraints', 'triggers', 'indexes'): |
|
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884 if hasattr(description.dbobj, dependent_type): |
|
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885 for (depname, depobj) in getattr(description.dbobj, dependent_type).items(): |
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886 self.poutput('REMARK BEGIN\n%s\nREMARK END\n\n' % depobj.get_ddl()) |
| 396 | 887 if opts.dump: |
| 888 self.stdout.close() | |
| 889 if vc: | |
| 890 subprocess.call(vc + [filename]) | |
| 220 | 891 except: |
| 396 | 892 statekeeper.restore() |
| 220 | 893 raise |
| 396 | 894 statekeeper.restore() |
|
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|
895 |
| 396 | 896 def _with_line_numbers(self, txt): |
| 897 txt = txt.splitlines() | |
| 898 template = "%%-%dd:%%s" % len(str(len(txt))) | |
| 899 txt = '\n'.join(template % (n+1, line) for (n, line) in | |
| 900 enumerate(txt)) | |
| 901 return txt | |
| 902 | |
|
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903 def _show_shortcut(self, shortcut, argpieces): |
|
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904 try: |
|
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905 newarg = argpieces[1] |
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906 if newarg == 'on': |
|
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907 try: |
|
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908 newarg = argpieces[2] |
|
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909 except IndexError: |
|
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910 pass |
|
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911 except IndexError: |
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912 newarg = '' |
| 452 | 913 return self.onecmd(self.parsed(shortcut + ' ' + newarg)) |
|
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914 |
| 221 | 915 def do_show(self, arg): |
| 916 ''' | |
| 917 show - display value of all sqlpython parameters | |
| 918 show (parameter name) - display value of a sqlpython parameter | |
| 919 show parameter (parameter name) - display value of an ORACLE parameter | |
|
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920 show err (object type/name) - errors from latest PL/SQL object compilation. |
|
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921 show all err (type/name) - all compilation errors from the user's PL/SQL objects. |
|
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922 show (index/schema/tablespace/trigger/view/constraint/comment) on (table) |
| 221 | 923 ''' |
| 418 | 924 if arg.startswith('param') and self.rdbms == 'oracle': |
| 221 | 925 try: |
| 926 paramname = arg.split()[1].lower() | |
| 927 except IndexError: | |
| 928 paramname = '' | |
| 452 | 929 self.onecmd(self.parsed("""SELECT name, |
| 930 CASE type WHEN 1 THEN 'BOOLEAN' | |
| 931 WHEN 2 THEN 'STRING' | |
| 932 WHEN 3 THEN 'INTEGER' | |
| 933 WHEN 4 THEN 'PARAMETER FILE' | |
| 934 WHEN 5 THEN 'RESERVED' | |
| 935 WHEN 6 THEN 'BIG INTEGER' END type, | |
| 936 value | |
| 937 FROM v$parameter | |
| 938 WHERE name LIKE '%%%s%%';""" % paramname)) | |
| 221 | 939 else: |
|
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940 argpieces = arg.lower().split() |
| 370 | 941 argpieces = [a for a in argpieces if not a.startswith('-')] |
|
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942 try: |
| 370 | 943 for (kwd, shortcut) in ( |
| 944 ('ind', '\\di'), ('schema', '\\dn'), | |
| 404 | 945 ('tablesp', '\\db'), ('trig', '\\dg'), |
| 370 | 946 ('view', '\\dv'), ('cons', '\\dc'), |
| 947 ('comm', '\\dd'), ('ref', 'ref')): | |
| 948 if argpieces[0].lower().startswith(kwd): | |
| 949 return self._show_shortcut(shortcut, argpieces) | |
|
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950 if argpieces[0][:3] == 'err': |
|
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|
951 return self._show_errors(all_users=False, limit=1, targets=argpieces[1:]) |
| 450 | 952 elif argpieces[0][:3] == 'tab': |
| 953 return self.do_ls('table/*') | |
|
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954 elif (argpieces[0], argpieces[1][:3]) == ('all','err'): |
|
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955 return self._show_errors(all_users=False, limit=None, targets=argpieces[2:]) |
|
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956 except IndexError: |
|
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|
957 pass |
| 221 | 958 return Cmd.do_show(self, arg) |
| 959 | |
| 224 | 960 def _vc(self, arg, opts, program): |
| 248 | 961 if not os.path.exists('.%s' % program): |
| 962 create = raw_input('%s repository not yet in current directory (%s). Create (y/N)? ' % | |
| 963 (program, os.getcwd())) | |
| 964 if not create.strip().lower().startswith('y'): | |
| 965 return | |
|
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966 try: |
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|
967 subprocess.call([program, 'init']) |
|
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968 except OSError: |
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969 self.perror('Call to %s failed; is it installed and in PATH?' % program) |
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970 return |
| 220 | 971 opts.dump = True |
| 397 | 972 self._pull(arg, opts, vc=[program, 'add']) |
| 220 | 973 subprocess.call([program, 'commit', '-m', '"%s"' % opts.message or 'committed from sqlpython']) |
| 974 | |
| 975 @options([ | |
| 976 make_option('-f', '--full', action='store_true', help='get dependent objects as well'), | |
| 977 make_option('-a', '--all', action='store_true', help="all schemas' objects"), | |
| 978 make_option('-x', '--exact', action='store_true', help="match object name exactly"), | |
| 979 make_option('-m', '--message', action='store', type='string', dest='message', help="message to save to hg log during commit")]) | |
| 980 def do_hg(self, arg, opts): | |
| 981 '''hg (opts) (objects): | |
| 226 | 982 Stores DDL on disk and puts files under Mercurial version control. |
| 983 Args specify which objects to store, same format as `ls`.''' | |
| 224 | 984 self._vc(arg, opts, 'hg') |
| 189 | 985 |
| 220 | 986 @options([ |
| 987 make_option('-f', '--full', action='store_true', help='get dependent objects as well'), | |
| 988 make_option('-a', '--all', action='store_true', help="all schemas' objects"), | |
| 989 make_option('-x', '--exact', action='store_true', help="match object name exactly"), | |
| 990 make_option('-m', '--message', action='store', type='string', dest='message', help="message to save to hg log during commit")]) | |
| 991 def do_bzr(self, arg, opts): | |
| 992 '''bzr (opts) (objects): | |
| 226 | 993 Stores DDL on disk and puts files under Bazaar version control. |
| 994 Args specify which objects to store, same format as `ls`.''' | |
| 224 | 995 self._vc(arg, opts, 'bzr') |
| 220 | 996 |
| 997 @options([ | |
| 998 make_option('-f', '--full', action='store_true', help='get dependent objects as well'), | |
| 999 make_option('-a', '--all', action='store_true', help="all schemas' objects"), | |
| 1000 make_option('-x', '--exact', action='store_true', help="match object name exactly"), | |
| 1001 make_option('-m', '--message', action='store', type='string', dest='message', help="message to save to hg log during commit")]) | |
| 224 | 1002 def do_git(self, arg, opts): |
| 1003 '''git (opts) (objects): | |
| 226 | 1004 Stores DDL on disk and puts files under git version control. |
| 1005 Args specify which objects to store, same format as `ls`.''' | |
| 224 | 1006 self._vc(arg, opts, 'git') |
| 220 | 1007 |
| 433 | 1008 all_users_option = make_option('-a', '--all', action='store_const', dest="scope", |
| 222 | 1009 default={'col':'', 'view':'user', 'schemas':'user', 'firstcol': ''}, |
| 1010 const={'col':', owner', 'view':'all', 'schemas':'all', 'firstcol': 'owner, '}, | |
| 433 | 1011 ) |
| 1012 all_users_option = make_option('-a', '--all', action='store_true', help='Describe all objects (not just my own)') | |
| 194 | 1013 @options([all_users_option, |
| 189 | 1014 make_option('-c', '--col', action='store_true', help='find column'), |
| 398 | 1015 ]) |
| 189 | 1016 def do_find(self, arg, opts): |
| 1017 """Finds argument in source code or (with -c) in column definitions.""" | |
| 398 | 1018 |
| 435 | 1019 seek = re.compile(self._regex_form_of_search_pattern(arg, exact=opts.col), |
| 1020 re.IGNORECASE) | |
| 398 | 1021 qualified = opts.get('all') |
|
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1022 for descrip in self._matching_database_objects('*', opts): |
| 398 | 1023 if opts.col: |
|
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1024 if hasattr(descrip.dbobj, 'columns'): |
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1025 for col in descrip.dbobj.columns: |
| 398 | 1026 if seek.search(col): |
|
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1027 self.poutput('%s.%s' % (m.fullname, col)) |
| 398 | 1028 else: |
|
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1029 if hasattr(descrip.dbobj, 'source'): |
| 398 | 1030 name_printed = False |
|
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1031 for (line_num, line) in descrip.dbobj.source: |
| 398 | 1032 if seek.search(line): |
| 1033 if not name_printed: | |
|
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1034 self.poutput(descrip.fullname) |
| 398 | 1035 name_printed = True |
| 1036 self.poutput('%d: %s' % (line_num, line)) | |
| 286 | 1037 |
| 400 | 1038 def _col_type_descriptor(self, col): |
| 415 | 1039 #if col['type'] in ('integer',): |
| 1040 # return col['type'] | |
| 1041 if ('length' in col) and (col['length'] is not None): | |
| 1042 if ('precision' in col) and (col['precision'] is not None): | |
| 1043 return '%s(%d,%d)' % (col['type'], col['length'], col['precision']) | |
| 1044 else: | |
| 1045 return '%s(%d)' % (col['type'], col['length']) | |
| 400 | 1046 else: |
| 1047 return col['type'] | |
| 1048 | |
| 1049 def _key_columns(self, tbl, type): | |
| 1050 columns = [c['columns'] for c in tbl.constraints.values() if c['type'] == type] | |
| 1051 if columns: | |
| 1052 return reduce(list.extend, columns) | |
| 415 | 1053 #TODO: in postgres, _key_columns returns 'fishies_pkey' instead of 'n' |
| 401 | 1054 else: |
| 1055 return [] | |
| 400 | 1056 |
| 286 | 1057 @options([all_users_option, |
| 400 | 1058 make_option('-l', '--long', action='store_true', help='include column #, comments'), |
| 1059 make_option('-A', '--alpha', action='store_true', help='List columns alphabetically')]) | |
| 189 | 1060 def do_describe(self, arg, opts): |
| 399 | 1061 opts.exact = True |
| 401 | 1062 rowlimit = self.rowlimit(arg) |
| 400 | 1063 if opts.alpha: |
| 1064 sortkey = operator.itemgetter('name') | |
| 1065 else: | |
| 1066 sortkey = operator.itemgetter('sequence') | |
|
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1067 for descrip in self._matching_database_objects(arg, opts): |
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1068 self.tblname = descrip.fullname |
| 399 | 1069 self.pfeedback(self.tblname) |
|
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1070 if opts.long and hasattr(descrip.dbobj, 'comments'): |
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1071 if descrip.dbobj.comments: |
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1072 self.poutput(descrip.dbobj.comments) |
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1073 if hasattr(descrip.dbobj, 'columns'): |
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1074 cols = sorted(descrip.dbobj.columns.values(), key=sortkey)[:rowlimit] |
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1075 if opts.long and hasattr(descrip.dbobj, 'constraints'): |
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1076 primary_key_columns = self._key_columns(descrip.dbobj, 'Primary') |
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1077 unique_key_columns = self._key_columns(descrip.dbobj, 'Unique') |
| 402 | 1078 self.colnames = 'N Name Nullable Type Key Default Comments'.split() |
| 400 | 1079 self.rows = [(col['sequence'], col['name'], (col['nullable'] and 'NULL') or 'NOT NULL', |
| 1080 self._col_type_descriptor(col), | |
| 1081 ((col['name'] in primary_key_columns) and 'P') or | |
| 1082 ((col['name'] in unique_key_columns) and 'U') or '', | |
| 401 | 1083 col.get('default') or '', col.get('comment') or '') |
| 399 | 1084 for col in cols] |
| 1085 else: | |
| 400 | 1086 self.colnames = 'Name Nullable Type'.split() |
| 1087 self.rows = [(col['name'], (col['nullable'] and 'NULL') or 'NOT NULL', self._col_type_descriptor(col)) | |
| 399 | 1088 for col in cols] |
| 1089 self.coltypes = [str] * len(self.colnames) | |
| 433 | 1090 self.poutput('%s\n\n' % self.tabular_output(arg.parsed.terminator, self.tblname)) |
|
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1091 elif hasattr(descrip.dbobj, 'increment_by'): |
| 400 | 1092 self.colnames = 'name min_value max_value increment_by'.split() |
| 1093 self.coltypes = [str, int, int, int] | |
|
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1094 self.rows = [(getattr(descrip.dbobj, p) for p in self.colnames)] |
| 433 | 1095 self.poutput('%s\n\n' % self.tabular_output(arg.parsed.terminator, self.tblname)) |
|
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|
1096 elif hasattr(descrip.dbobj, 'source'): |
| 400 | 1097 end_heading = re.compile(r'\bDECLARE|BEGIN\b', re.IGNORECASE) |
|
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1098 for (index, (ln, line)) in enumerate(descrip.dbobj.source): |
| 400 | 1099 if end_heading.search(line): |
| 1100 break | |
|
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1101 self.poutput(''.join(l for (ln, l) in descrip.dbobj.source[:index])) |
| 400 | 1102 |
|
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1103 @options([all_users_option]) |
|
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1104 def do_deps(self, arg, opts): |
| 286 | 1105 '''Lists all objects that are dependent upon the object.''' |
|
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1106 #TODO: doesn't account for views; don't know about primary keys |
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1107 for descrip in self._matching_database_objects(arg, opts): |
|
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1108 for deptype in ('indexes', 'constraints', 'triggers'): |
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1109 if hasattr(descrip.dbobj, deptype): |
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1110 for (depname, depobj) in getattr(descrip.dbobj, deptype).items(): |
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1111 self.poutput('%s %s' % (deptype, depname)) |
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1112 |
| 401 | 1113 @options([all_users_option]) |
| 1114 def do_comments(self, arg, opts): | |
| 189 | 1115 'Prints comments on a table and its columns.' |
| 401 | 1116 qualified = opts.get('all') |
|
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1117 for descrip in self._matching_database_objects(arg, opts): |
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1118 if hasattr(descrip.dbobj, 'comments'): |
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1119 self.poutput(descrip.fullname) |
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|
1120 self.poutput(descrip.dbobj.comments) |
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1121 if hasattr(descrip.dbobj, 'columns'): |
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1122 columns = descrip.dbobj.columns.values() |
| 401 | 1123 columns.sort(key=operator.itemgetter('sequence')) |
| 1124 for col in columns: | |
| 1125 comment = col.get('comment') | |
| 1126 if comment: | |
| 1127 self.poutput('%s: %s' % (col['name'], comment)) | |
| 1128 else: | |
| 1129 self.poutput(col['name']) | |
| 189 | 1130 |
|
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1131 def _resolve(self, identifier): |
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1132 parts = identifier.split('.') |
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1133 if len(parts) == 2: |
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1134 owner, object_name = parts |
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1135 object_type = self.select_scalar_list('SELECT object_type FROM all_objects WHERE owner = :owner AND object_name = :object_name', |
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1136 {'owner': owner, 'object_name': object_name.upper()} |
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1137 )[0] |
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1138 elif len(parts) == 1: |
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1139 object_name = parts[0] |
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1140 self._execute(queries['resolve'], {'objName':object_name.upper()}) |
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1141 object_type, object_name, owner = self.curs.fetchone() |
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1142 return object_type, owner, object_name |
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1143 |
| 189 | 1144 def resolve(self, identifier): |
| 1145 """Checks (my objects).name, (my synonyms).name, (public synonyms).name | |
| 1146 to resolve a database object's name. """ | |
| 1147 try: | |
|
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1148 return self._resolve(identifier) |
| 189 | 1149 except (TypeError, IndexError): |
| 333 | 1150 self.pfeedback('Could not resolve object %s.' % identifier) |
|
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1151 return '', '', '' |
| 189 | 1152 |
| 1153 def spoolstop(self): | |
| 1154 if self.spoolFile: | |
| 1155 self.stdout = self.stdoutBeforeSpool | |
| 333 | 1156 self.pfeedback('Finished spooling to ', self.spoolFile.name) |
| 189 | 1157 self.spoolFile.close() |
| 1158 self.spoolFile = None | |
| 1159 | |
| 1160 def do_spool(self, arg): | |
| 1161 """spool [filename] - begins redirecting output to FILENAME.""" | |
| 1162 self.spoolstop() | |
| 1163 arg = arg.strip() | |
| 1164 if not arg: | |
| 1165 arg = 'output.lst' | |
| 1166 if arg.lower() != 'off': | |
| 1167 if '.' not in arg: | |
| 1168 arg = '%s.lst' % arg | |
| 333 | 1169 self.pfeedback('Sending output to %s (until SPOOL OFF received)' % (arg)) |
| 189 | 1170 self.spoolFile = open(arg, 'w') |
| 1171 self.stdout = self.spoolFile | |
| 1172 | |
| 333 | 1173 def sqlfeedback(self, arg): |
| 1174 if self.sql_echo: | |
| 1175 self.pfeedback(arg) | |
| 1176 | |
| 189 | 1177 def do_write(self, args): |
| 281 | 1178 'Obsolete command. Use (query) > outfilename instead.' |
| 333 | 1179 self.poutput(self.do_write.__doc__) |
| 189 | 1180 return |
| 1181 | |
| 1182 def do_compare(self, args): | |
| 1183 """COMPARE query1 TO query2 - uses external tool to display differences. | |
| 1184 | |
| 1185 Sorting is recommended to avoid false hits. | |
| 1186 Will attempt to use a graphical diff/merge tool like kdiff3, meld, or Araxis Merge, | |
| 1187 if they are installed.""" | |
| 193 | 1188 #TODO: Update this to use pyparsing |
| 189 | 1189 fnames = [] |
| 1190 args2 = args.split(' to ') | |
| 1191 if len(args2) < 2: | |
| 333 | 1192 self.pfeedback(self.do_compare.__doc__) |
| 189 | 1193 return |
| 1194 for n in range(len(args2)): | |
| 1195 query = args2[n] | |
| 1196 fnames.append('compare%s.txt' % n) | |
| 1197 #TODO: update this terminator-stripping | |
| 1198 if query.rstrip()[-1] != self.terminator: | |
| 1199 query = '%s%s' % (query, self.terminator) | |
| 1200 self.onecmd_plus_hooks('%s > %s' % (query, fnames[n])) | |
| 452 | 1201 #TODO: Does this stumble on output redirection? |
| 189 | 1202 diffMergeSearcher.invoke(fnames[0], fnames[1]) |
| 1203 | |
| 1204 bufferPosPattern = re.compile('\d+') | |
| 1205 rangeIndicators = ('-',':') | |
| 1206 | |
| 1207 def do_psql(self, arg): | |
| 1208 '''Shortcut commands emulating psql's backslash commands. | |
| 1209 | |
| 1210 \c connect | |
| 1211 \d desc | |
| 1212 \e edit | |
| 1213 \g run | |
| 1214 \h help | |
| 1215 \i load | |
| 1216 \o spool | |
| 1217 \p list | |
| 1218 \q quit | |
| 1219 \w save | |
| 1220 \db _dir_tablespaces | |
|
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1221 \dc _dir_constraints |
| 189 | 1222 \dd comments |
| 404 | 1223 \dg _dir_triggers |
| 189 | 1224 \dn _dir_schemas |
| 1225 \dt _dir_tables | |
| 1226 \dv _dir_views | |
| 1227 \di _dir_indexes | |
| 1228 \? help psql''' | |
| 1229 commands = {} | |
| 1230 for c in self.do_psql.__doc__.splitlines()[2:]: | |
| 1231 (abbrev, command) = c.split(None, 1) | |
| 411 | 1232 commands[abbrev] = command |
| 1233 parts = arg.parsed.raw.split(None,1) | |
| 1234 abbrev = parts[0] | |
| 189 | 1235 try: |
| 411 | 1236 remainder = parts[1] |
| 189 | 1237 except IndexError: |
| 411 | 1238 remainder = '' |
| 1239 if abbrev in commands: | |
| 1240 newcommand = '%s %s' % (commands[abbrev], remainder) | |
| 452 | 1241 return self.onecmd(self.parsed(newcommand)) |
| 411 | 1242 else: |
| 1243 self.perror('No abbreviated command for %s' % abbrev) | |
| 1244 self.perror(self.do_psql.__doc__) | |
| 1245 | |
| 402 | 1246 def _do_dir(self, type, arg, opts): |
| 1247 self.do_ls("%s/%s%s%s" % (type, str(arg), arg.parsed.terminator, arg.parsed.suffix), opts) | |
| 1248 | |
| 1249 standard_options = [ | |
| 433 | 1250 all_users_option, |
| 402 | 1251 make_option('-l', '--long', action='store_true', help='long descriptions'), |
| 1252 make_option('-r', '--reverse', action='store_true', help="Reverse order while sorting")] | |
| 1253 | |
| 1254 @options(standard_options) | |
| 189 | 1255 def do__dir_tables(self, arg, opts): |
| 402 | 1256 'Shortcut for ``ls table/``' |
| 1257 self._do_dir('table', arg, opts) | |
| 1258 | |
| 1259 @options(standard_options) | |
| 189 | 1260 def do__dir_views(self, arg, opts): |
| 402 | 1261 'Shortcut for ``ls table/``' |
| 1262 self._do_dir('view', arg, opts) | |
| 1263 | |
| 1264 @options(standard_options) | |
| 1265 def do__dir_(self, arg, opts): | |
| 1266 'Shortcut for ``ls table/``' | |
| 1267 self._do_dir('', arg, opts) | |
| 1268 | |
| 1269 @options(standard_options) | |
| 1270 def do__dir_(self, arg, opts): | |
| 1271 'Shortcut for ``ls table/``' | |
| 1272 self._do_dir('', arg, opts) | |
| 194 | 1273 |
|
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1274 def _str_index(self, idx, long=False): |
|
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1275 return '%s (%s) %s %s' % (idx['name'], ','.join(idx['columns']), |
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1276 idx['type'], (idx['unique'] and 'unique') or '') |
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1277 |
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1278 def _str_constraint(self, cons, long=False): |
| 421 | 1279 #TODO: this is way too unclear right now |
|
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1280 if 'condition' in cons: |
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1281 details = '(%s)' % cons['condition'] |
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1282 elif 'reftable' in cons: |
| 425 | 1283 details = 'columns (%s) in table "%s"' % (','.join(cons['columns']), cons['reftable']) |
|
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1284 elif 'columns' in cons: |
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1285 details = '(%s)' % ','.join(cons['columns']) |
| 404 | 1286 else: |
| 1287 details = '' | |
| 425 | 1288 return '%7s key "%s": %s %s' % (cons['type'], cons['name'], details, |
| 404 | 1289 ((not cons['enabled']) and 'DISABLED') or '') |
| 1290 | |
|
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1291 |
| 404 | 1292 def _str_trigger(self, trig, long=False): |
| 1293 result = 'Trigger %s %s %s for each %s' % (trig.name, trig.scope, ','.join(trig.events), trig.level) | |
| 1294 if long: | |
| 1295 result = '%s\n\n%s\n\n' % (result, trig.sql) | |
| 1296 return result | |
| 1297 | |
| 1298 def do__dir_(self, arg, opts, plural_name, str_function): | |
|
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|
1299 long = opts.get('long') |
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|
1300 reverse = opts.get('reverse') or False |
|
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1301 for descrip in self._matching_database_objects(arg, opts): |
|
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1302 if hasattr(descrip.dbobj, plural_name): |
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1303 self.pfeedback('%s on %s' % (plural_name.title(), descrip.fullname)) |
|
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1304 result = [str_function(depobj, long) for depobj in getattr(descrip.dbobj, plural_name).values()] |
|
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1305 result.sort(reverse=opts.get('reverse') or False) |
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1306 self.poutput('\n'.join(result)) |
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|
1307 |
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1308 @options(standard_options) |
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1309 def do__dir_indexes(self, arg, opts): |
|
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1310 ''' |
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1311 Called with an exact table name, lists the indexes of that table. |
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1312 Otherwise, acts as shortcut for `ls index/*(arg)*` |
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1313 ''' |
| 404 | 1314 self.do__dir_(arg, opts, 'indexes', self._str_index) |
| 189 | 1315 |
|
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1316 @options(standard_options) |
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1317 def do__dir_constraints(self, arg, opts): |
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1318 ''' |
| 415 | 1319 Lists constaints of a table. |
|
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1320 ''' |
| 404 | 1321 self.do__dir_(arg, opts, 'constraints', self._str_constraint) |
| 1322 | |
| 1323 @options(standard_options) | |
| 1324 def do__dir_triggers(self, arg, opts): | |
| 1325 ''' | |
| 1326 Called with an exact table name, lists the indexes of that table. | |
| 1327 Otherwise, acts as shortcut for `ls index/*(arg)*` | |
| 1328 ''' | |
| 1329 self.do__dir_(arg, opts, 'triggers', self._str_trigger) | |
| 1330 | |
| 189 | 1331 def do__dir_tablespaces(self, arg): |
|
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1332 ''' |
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1333 Lists all tablespaces. |
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1334 ''' |
| 194 | 1335 sql = """SELECT tablespace_name, file_name from dba_data_files;""" |
| 333 | 1336 self.sqlfeedback(sql) |
| 200 | 1337 self.do_select(self.parsed(sql, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) |
| 189 | 1338 |
| 1339 def do__dir_schemas(self, arg): | |
|
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1340 ''' |
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1341 Lists all object owners, together with the number of objects they own. |
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1342 ''' |
| 194 | 1343 sql = """SELECT owner, count(*) AS objects FROM all_objects GROUP BY owner ORDER BY owner;""" |
| 333 | 1344 self.sqlfeedback(sql) |
| 200 | 1345 self.do_select(self.parsed(sql, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) |
| 189 | 1346 |
| 1347 def do_head(self, arg): | |
| 226 | 1348 '''Shortcut for SELECT * FROM <arg>;10 |
| 1349 The terminator (\\t, \\g, \\x, etc.) and number of rows can | |
| 1350 be changed as for any other SELECT statement.''' | |
| 200 | 1351 sql = self.parsed('SELECT * FROM %s;' % arg, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix) |
| 195 | 1352 sql.parsed['suffix'] = sql.parsed.suffix or '10' |
| 196 | 1353 self.do_select(self.parsed(sql)) |
| 189 | 1354 |
| 1355 def do_print(self, arg): | |
| 1356 'print VARNAME: Show current value of bind variable VARNAME.' | |
| 1357 if arg: | |
| 1358 if arg[0] == ':': | |
| 1359 arg = arg[1:] | |
| 1360 try: | |
|
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1361 self.poutput(str(self.binds[arg])+'\n') |
| 189 | 1362 except KeyError: |
|
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1363 self.poutput('No bind variable %s\n' % arg) |
| 189 | 1364 else: |
| 250 | 1365 for (var, val) in sorted(self.binds.items()): |
| 333 | 1366 self.poutput(':%s = %s' % (var, val)) |
| 189 | 1367 |
| 285 | 1368 def split_on_parser(self, parser, arg): |
| 1369 try: | |
| 1370 assigner, startat, endat = parser.scanner.scanString(arg).next() | |
| 1371 return (arg[:startat].strip(), arg[endat:].strip()) | |
| 1372 except StopIteration: | |
| 1373 return ''.join(arg.split()[:1]), '' | |
| 1374 | |
| 355 | 1375 assignmentSplitter = re.compile(':?=') |
| 285 | 1376 def interpret_variable_assignment(self, arg): |
| 1377 ''' | |
| 374 | 1378 Accepts strings like `foo = 'bar'` or `baz := 22`, |
| 1379 returns (assigned? (T/F), variable, new-value) | |
| 1380 | |
| 285 | 1381 ''' |
| 459 | 1382 #TODO: quoted assignments currently failing? |
| 374 | 1383 arg = self.parsed(arg) |
|
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1384 try: |
| 446 | 1385 var, val = self.assignmentSplitter.split(arg, maxsplit=1) |
| 355 | 1386 except ValueError: |
| 446 | 1387 return False, str(arg).split()[-1] or None, None |
| 355 | 1388 var = var.split()[-1] |
| 374 | 1389 val = val.strip() |
| 285 | 1390 if (len(val) > 1) and ((val[0] == val[-1] == "'") or (val[0] == val[-1] == '"')): |
|
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1391 return True, var, val[1:-1] |
| 285 | 1392 try: |
|
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1393 return True, var, int(val) |
| 285 | 1394 except ValueError: |
| 1395 try: | |
|
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1396 return True, var, float(val) |
| 285 | 1397 except ValueError: |
| 1398 # use the conversions implicit in cx_Oracle's select to | |
| 1399 # cast the value into an appropriate type (dates, for instance) | |
| 1400 try: | |
| 355 | 1401 if self.rdbms == 'oracle': |
| 1402 sql = 'SELECT %s FROM dual' | |
| 1403 else: | |
| 1404 sql = 'SELECT %s' | |
| 1405 self.curs.execute(sql % val) | |
|
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1406 return True, var, self.curs.fetchone()[0] |
| 415 | 1407 except: # TODO: should not be bare - should catch cx_Oracle.DatabaseError, etc. |
|
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1408 return True, var, val # we give up and assume it's a string |
| 285 | 1409 |
| 189 | 1410 def do_setbind(self, arg): |
| 285 | 1411 '''Sets or shows values of bind (`:`) variables.''' |
| 189 | 1412 if not arg: |
| 1413 return self.do_print(arg) | |
|
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1414 assigned, var, val = self.interpret_variable_assignment(arg) |
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1415 if not assigned: |
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|
1416 return self.do_print(var) |
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|
1417 else: |
| 285 | 1418 self.binds[var] = val |
| 189 | 1419 |
| 285 | 1420 def do_define(self, arg): |
| 1421 '''Sets or shows values of substitution (`&`) variables.''' | |
| 1422 if not arg: | |
| 1423 for (substvar, val) in sorted(self.substvars.items()): | |
| 333 | 1424 self.poutput('DEFINE %s = "%s" (%s)' % (substvar, val, type(val))) |
|
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|
1425 assigned, var, val = self.interpret_variable_assignment(arg) |
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|
1426 if assigned: |
| 285 | 1427 self.substvars[var] = val |
| 1428 else: | |
| 1429 if var in self.substvars: | |
| 333 | 1430 self.poutput('DEFINE %s = "%s" (%s)' % (var, self.substvars[var], type(self.substvars[var]))) |
| 285 | 1431 |
| 189 | 1432 def do_exec(self, arg): |
| 213 | 1433 if arg.startswith(':'): |
| 374 | 1434 self.do_setbind(arg.parsed.expanded.split(':',1)[1]) |
| 189 | 1435 else: |
|
340
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|
1436 varsUsed = self.findBinds(arg, {}) |
| 189 | 1437 try: |
| 1438 self.curs.execute('begin\n%s;end;' % arg, varsUsed) | |
| 1439 except Exception, e: | |
| 333 | 1440 self.perror(e) |
| 189 | 1441 |
| 1442 ''' | |
| 1443 Fails: | |
| 1444 select n into :n from test;''' | |
| 1445 | |
| 1446 def anon_plsql(self, line1): | |
| 1447 lines = [line1] | |
| 1448 while True: | |
| 247 | 1449 line = self.pseudo_raw_input(self.continuation_prompt) |
| 311 | 1450 self.history[-1] = '%s\n%s' % (self.history[-1], line) |
| 241 | 1451 if line == 'EOF': |
| 1452 return | |
| 189 | 1453 if line.strip() == '/': |
| 1454 try: | |
| 1455 self.curs.execute('\n'.join(lines)) | |
| 1456 except Exception, e: | |
| 333 | 1457 self.perror(e) |
| 189 | 1458 return |
| 1459 lines.append(line) | |
| 1460 | |
| 1461 def do_begin(self, arg): | |
| 281 | 1462 ''' |
| 1463 PL/SQL blocks can be used normally in sqlpython, though enclosing statements in | |
| 1464 REMARK BEGIN... REMARK END statements can help with parsing speed.''' | |
| 189 | 1465 self.anon_plsql('begin ' + arg) |
| 1466 | |
| 1467 def do_declare(self, arg): | |
| 1468 self.anon_plsql('declare ' + arg) | |
|
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1469 |
|
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1470 def ls_where_clause(self, arg, opts): |
|
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|
1471 where = ['WHERE (1=1) '] |
| 189 | 1472 if arg: |
|
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1473 target = arg.upper().replace('*','%') |
|
313
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1474 if target in self.object_types: |
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1475 target += '/%' |
|
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|
1476 where.append(""" |
|
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|
1477 AND( UPPER(object_type) || '/' || UPPER(object_name) LIKE '%s' |
|
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1478 OR UPPER(object_name) LIKE '%s')""" % (target, target)) |
|
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|
1479 if not opts.all: |
|
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|
1480 where.append("AND owner = my_own") |
|
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|
1481 return '\n'.join(where) |
|
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|
1482 |
|
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|
1483 def resolve_many(self, arg, opts): |
|
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|
1484 statement = """SELECT owner, object_name, object_type FROM (%s) |
|
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|
1485 %s""" % (metaqueries['ls'][self.rdbms], self.ls_where_clause(arg, opts)) |
| 249 | 1486 self._execute(statement) |
|
216
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|
1487 return self.curs.fetchall() |
|
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|
1488 |
|
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|
1489 object_types = ( |
|
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|
1490 'BASE TABLE', |
|
313
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|
1491 'CLUSTER', |
|
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|
1492 'CONSUMER GROUP', |
|
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|
1493 'CONTEXT', |
|
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|
1494 'DIRECTORY', |
|
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|
1495 'EDITION', |
|
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|
1496 'EVALUATION CONTEXT', |
|
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|
1497 'FUNCTION', |
|
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|
1498 'INDEX', |
|
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|
1499 'INDEX PARTITION', |
|
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|
1500 'INDEXTYPE', |
|
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|
1501 'JAVA CLASS', |
|
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|
1502 'JAVA DATA', |
|
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|
1503 'JAVA RESOURCE', |
|
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|
1504 'JOB', |
|
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|
1505 'JOB CLASS', |
|
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|
1506 'LIBRARY', |
|
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|
1507 'MATERIALIZED VIEW', |
|
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|
1508 'OPERATOR', |
|
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|
1509 'PACKAGE', |
|
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|
1510 'PACKAGE BODY', |
|
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|
1511 'PROCEDURE', |
|
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|
1512 'PROGRAM', |
|
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|
1513 'RULE', |
|
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|
1514 'RULE SET', |
|
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|
1515 'SCHEDULE', |
|
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|
1516 'SEQUENCE', |
|
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|
1517 'SYNONYM', |
|
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|
1518 'TABLE', |
|
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1519 'TABLE PARTITION', |
|
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|
1520 'TRIGGER', |
|
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|
1521 'TYPE', |
|
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|
1522 'TYPE BODY', |
|
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|
1523 'VIEW', |
|
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1524 'WINDOW', |
|
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|
1525 'WINDOW GROUP', |
|
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|
1526 'XML SCHEMA') |
| 377 | 1527 |
| 391 | 1528 def metadata(self): |
| 429 | 1529 username = self.current_instance.username |
| 415 | 1530 if self.rdbms == 'oracle': |
| 1531 username = username.upper() | |
| 1532 elif self.rdbms == 'postgres': | |
| 1533 username = username.lower() | |
|
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|
1534 return (username, self.current_instance.gerald) |
| 391 | 1535 |
| 1536 def _to_sql_wildcards(self, original): | |
| 1537 return original.replace('*','%').replace('?','_') | |
| 1538 #hmm... but these should be escape-able? | |
| 1539 | |
| 1540 def _to_re_wildcards(self, original): | |
| 1541 result = re.escape(original) | |
| 1542 return result.replace('\\*','.*').replace('\\?','.') | |
| 1543 | |
|
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1544 def _regex_form_of_search_pattern(self, s, exact=False): |
| 433 | 1545 if not s: |
| 435 | 1546 return '^[^\.]*$' |
| 1547 if '.' in s: | |
| 1548 seekpatt = r'[/\\]?%s[/\\]?' % ( | |
| 1549 s.replace('*', '.*').replace('?','.').replace('%', '.*')) | |
| 1550 else: | |
| 1551 seekpatt = r'[/\\]?%s[/\\]?' % ( | |
| 1552 s.replace('*', '[^\.]*').replace('?','[^\.]').replace('%', '[^\.]*')) | |
| 398 | 1553 if exact: |
| 1554 seekpatt = '^%s$' % seekpatt | |
| 435 | 1555 return seekpatt |
| 405 | 1556 |
| 433 | 1557 def do_refresh(self, arg): |
| 405 | 1558 '''Refreshes metadata for the specified schema; only required |
| 433 | 1559 if table structures, etc. have changed.''' |
| 1560 if self.current_instance.gerald.complete and self.current_instance.gerald.current: | |
| 1561 self.current_instance.discover_metadata() | |
| 405 | 1562 else: |
| 433 | 1563 self.pfeedback('Metadata discovery is already underway.') |
| 405 | 1564 |
|
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1565 def _print_gerald_status_warning(self, gerald_schema): |
|
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|
1566 if not gerald_schema.complete: |
|
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|
1567 self.pfeedback('Metadata is not available yet - still gathering') |
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1568 elif not gerald_schema.current: |
| 436 | 1569 self.pfeedback('Metadata is stale - requested refresh still underway') |
|
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1570 |
| 391 | 1571 def _matching_database_objects(self, arg, opts): |
| 392 | 1572 # doesn't get java$options |
|
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1573 |
|
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1574 (username, gerald_schema) = self.metadata() |
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1575 self._print_gerald_status_warning(gerald_schema) |
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1576 if not gerald_schema.complete: |
| 396 | 1577 raise StopIteration |
|
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1578 |
| 435 | 1579 seek = str(arg) and self._regex_form_of_search_pattern(arg, opts.get('exact')) |
|
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1580 for (name, descrip) in gerald_schema.descriptions.items(): |
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1581 if descrip.match_pattern(seek, specific_owner = ((not opts.all) and username)): |
|
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|
1582 yield descrip |
| 402 | 1583 |
| 1584 @options(standard_options) | |
| 391 | 1585 def do_ls(self, arg, opts): |
| 1586 ''' | |
| 1587 Lists objects as through they were in an {object_type}/{object_name} UNIX | |
| 1588 directory structure. `*` and `%` may be used as wildcards. | |
| 1589 ''' | |
| 396 | 1590 opts.exact = True |
| 391 | 1591 (username, schemas) = self.metadata() |
| 433 | 1592 result = [descrip.path for descrip in self._matching_database_objects(arg, opts)] |
| 387 | 1593 if result: |
| 1594 result.sort(reverse=bool(opts.reverse)) | |
| 1595 self.poutput('\n'.join(result)) | |
| 189 | 1596 |
| 391 | 1597 @options([make_option('-i', '--ignore-case', dest='ignorecase', action='store_true', help='Case-insensitive search'), |
| 1598 make_option('-a', '--all', action='store_true', help="all schemas' objects")]) | |
| 1599 | |
| 189 | 1600 def do_grep(self, arg, opts): |
| 314 | 1601 """grep {target} {table} [{table2,...}] |
| 1602 search for {target} in any of {table}'s fields""" | |
| 391 | 1603 arg = self.parsed(arg) |
| 396 | 1604 opts.exact = True |
| 391 | 1605 args = arg.split() |
| 1606 if len(args) < 2: | |
| 1607 self.perror(self.do_grep.__doc__) | |
| 1608 return | |
| 1609 pattern, targets = args[0], args[1:] | |
| 1610 if opts.ignorecase: | |
| 1611 pattern = pattern.lower() | |
| 417 | 1612 comparitor = "OR LOWER(%s) LIKE '%%%%%%s%%%%'" % self._cast_as_char() |
| 391 | 1613 else: |
| 417 | 1614 comparitor = "OR %s LIKE '%%%%%%s%%%%'" % self._cast_as_char() |
| 391 | 1615 sql_pattern = self._to_sql_wildcards(pattern) |
| 1616 re_pattern = re.compile(self._to_re_wildcards(pattern), | |
| 1617 (opts.ignorecase and re.IGNORECASE) or 0) | |
| 189 | 1618 for target in targets: |
|
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1619 for descrip in self._matching_database_objects(target, opts): |
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1620 self.pfeedback(descrip.fullname) |
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|
1621 if hasattr(descrip.dbobj, 'columns'): |
| 391 | 1622 clauses = [] |
|
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|
1623 for col in descrip.dbobj.columns: |
| 391 | 1624 clauses.append(comparitor % (col, sql_pattern)) |
|
437
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|
1625 sql = "SELECT * FROM %s WHERE 1=0\n%s;" % (descrip.fullname, ' '.join(clauses)) |
|
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|
1626 sql = self.parsed(sql, terminator=arg.parsed.terminator or ';', |
|
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|
1627 suffix=arg.parsed.suffix) |
| 391 | 1628 self.do_select(sql) |
|
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1629 elif hasattr(descrip.dbobj, 'source'): |
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|
1630 for (line_num, line) in descrip.dbobj.source: |
| 391 | 1631 if re_pattern.search(line): |
| 1632 self.poutput('%4d: %s' % (line_num, line)) | |
| 1633 | |
| 189 | 1634 |
| 417 | 1635 def _cast_as_char(self): |
| 1636 'self._cast_as_char() => Returns the RDBMS-equivalent "CAST(%s AS VARCHAR) expression.' | |
| 1637 converter = {'oracle': 'TO_CHAR(%s)'}.get(self.rdbms, 'CAST(%s AS VARCHAR)') | |
| 1638 return converter | |
|
335
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|
1639 |
| 249 | 1640 def _execute(self, sql, bindvars={}): |
| 333 | 1641 self.sqlfeedback(sql) |
| 249 | 1642 self.curs.execute(sql, bindvars) |
| 1643 | |
| 286 | 1644 #@options([make_option('-l', '--long', action='store_true', |
| 1645 # help='Wordy, easy-to-understand form'),]) | |
| 189 | 1646 def do_refs(self, arg): |
| 286 | 1647 '''Lists referential integrity (foreign key constraints) on an object or referring to it.''' |
| 211 | 1648 |
| 421 | 1649 # TODO: needs much polish |
| 1650 return self.do__dir_constraints(arg) | |
| 1651 | |
|
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1652 def run_commands_at_invocation(self, callargs): |
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1653 connection_args = [] |
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1654 while True: |
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1655 try: |
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1656 arg = callargs.pop(0) |
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1657 connection_args.append(arg) |
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1658 if ';' in arg: |
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|
1659 break |
|
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1660 except IndexError: |
|
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|
1661 break |
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|
1662 if connection_args: |
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1663 self.do_connect(' '.join(connection_args)) |
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1664 sqlpython.sqlpython.run_commands_at_invocation(self, callargs) |
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1665 for arg in callargs: |
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1666 connection_args.append(callargs.pop()) |
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1667 for initial_command in callargs: |
| 452 | 1668 if self.onecmd_plus_hooks(initial_command + '\n') == app._STOP_AND_EXIT: |
|
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1669 return |
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|
1670 |
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1671 def cmdloop(self): |
| 453 | 1672 # TODO: args past ; don't even get into sys.argv |
| 461 | 1673 if (len(sys.argv) > 1) and sys.argv[1] in ('--test', '-t'): |
|
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1674 self.runTranscriptTests(sys.argv[2:]) |
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1675 else: |
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1676 self.run_commands_at_invocation(sys.argv[1:]) |
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1677 self._cmdloop() |
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|
1678 |
| 189 | 1679 def _test(): |
| 1680 import doctest | |
| 1681 doctest.testmod() | |
| 1682 | |
| 1683 if __name__ == "__main__": | |
| 1684 "Silent return implies that all unit tests succeeded. Use -v to see details." | |
| 1685 _test() |