Mercurial > sqlpython
annotate sqlpython/sqlpyPlus.py @ 248:230447ce6e60
end wed
| author | catherine@dellzilla |
|---|---|
| date | Tue, 10 Mar 2009 16:42:27 -0400 |
| parents | f0f293d83337 |
| children | 9e3e49c95abf |
| 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 """ | |
| 220 | 26 import sys, os, re, sqlpython, cx_Oracle, pyparsing, re, completion, datetime, pickle, binascii, subprocess |
| 189 | 27 from cmd2 import Cmd, make_option, options, Statekeeper, Cmd2TestCase |
| 28 from output_templates import output_templates | |
| 29 from plothandler import Plot | |
| 30 try: | |
| 31 import pylab | |
|
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32 except (RuntimeError, ImportError): |
| 189 | 33 pass |
| 34 | |
| 35 descQueries = { | |
| 36 'TABLE': (""" | |
| 193 | 37 SELECT atc.column_name, |
| 189 | 38 CASE atc.nullable WHEN 'Y' THEN 'NULL' ELSE 'NOT NULL' END "Null?", |
| 39 atc.data_type || | |
| 40 CASE atc.data_type WHEN 'DATE' THEN '' | |
| 41 ELSE '(' || | |
| 42 CASE atc.data_type WHEN 'NUMBER' THEN TO_CHAR(atc.data_precision) || | |
| 43 CASE atc.data_scale WHEN 0 THEN '' | |
| 44 ELSE ',' || TO_CHAR(atc.data_scale) END | |
| 45 ELSE TO_CHAR(atc.data_length) END | |
| 46 END || | |
| 47 CASE atc.data_type WHEN 'DATE' THEN '' ELSE ')' END | |
| 48 data_type | |
| 49 FROM all_tab_columns atc | |
| 50 WHERE atc.table_name = :object_name | |
| 51 AND atc.owner = :owner | |
| 193 | 52 ORDER BY atc.column_id;""",), |
| 189 | 53 'PROCEDURE': (""" |
| 193 | 54 SELECT NVL(argument_name, 'Return Value') argument_name, |
| 189 | 55 data_type, |
| 56 in_out, | |
| 57 default_value | |
| 58 FROM all_arguments | |
| 59 WHERE object_name = :object_name | |
| 60 AND owner = :owner | |
| 61 AND package_name IS NULL | |
| 193 | 62 ORDER BY sequence;""",), |
| 189 | 63 'PackageObjects':(""" |
| 64 SELECT DISTINCT object_name | |
| 65 FROM all_arguments | |
| 66 WHERE package_name = :package_name | |
| 67 AND owner = :owner""",), | |
| 68 'PackageObjArgs':(""" | |
| 193 | 69 SELECT object_name, |
| 189 | 70 argument_name, |
| 71 data_type, | |
| 72 in_out, | |
| 73 default_value | |
| 74 FROM all_arguments | |
| 75 WHERE package_name = :package_name | |
| 76 AND object_name = :object_name | |
| 77 AND owner = :owner | |
| 78 AND argument_name IS NOT NULL | |
| 193 | 79 ORDER BY sequence;""",), |
| 189 | 80 'TRIGGER':(""" |
| 193 | 81 SELECT description |
| 189 | 82 FROM all_triggers |
| 83 WHERE owner = :owner | |
| 193 | 84 AND trigger_name = :object_name; |
| 189 | 85 """, |
| 86 """ | |
| 193 | 87 SELECT table_owner, |
| 189 | 88 base_object_type, |
| 89 table_name, | |
| 90 column_name, | |
| 91 when_clause, | |
| 92 status, | |
| 93 action_type, | |
| 94 crossedition | |
| 95 FROM all_triggers | |
| 96 WHERE owner = :owner | |
| 97 AND trigger_name = :object_name | |
| 98 \\t | |
| 99 """, | |
| 100 ), | |
| 101 'INDEX':(""" | |
| 193 | 102 SELECT index_type, |
| 189 | 103 table_owner, |
| 104 table_name, | |
| 105 table_type, | |
| 106 uniqueness, | |
| 107 compression, | |
| 108 partitioned, | |
| 109 temporary, | |
| 110 generated, | |
| 111 secondary, | |
| 112 dropped, | |
| 113 visibility | |
| 114 FROM all_indexes | |
| 115 WHERE owner = :owner | |
| 116 AND index_name = :object_name | |
| 117 \\t | |
| 118 """,) | |
| 119 } | |
| 120 descQueries['VIEW'] = descQueries['TABLE'] | |
| 121 descQueries['FUNCTION'] = descQueries['PROCEDURE'] | |
| 122 | |
| 123 queries = { | |
| 124 'resolve': """ | |
| 125 SELECT object_type, object_name, owner FROM ( | |
| 126 SELECT object_type, object_name, user owner, 1 priority | |
| 127 FROM user_objects | |
| 128 WHERE object_name = :objName | |
| 129 UNION ALL | |
| 130 SELECT ao.object_type, ao.object_name, ao.owner, 2 priority | |
| 131 FROM all_objects ao | |
| 132 JOIN user_synonyms us ON (us.table_owner = ao.owner AND us.table_name = ao.object_name) | |
| 133 WHERE us.synonym_name = :objName | |
| 134 AND ao.object_type != 'SYNONYM' | |
| 135 UNION ALL | |
| 136 SELECT ao.object_type, ao.object_name, ao.owner, 3 priority | |
| 137 FROM all_objects ao | |
| 138 JOIN all_synonyms asyn ON (asyn.table_owner = ao.owner AND asyn.table_name = ao.object_name) | |
| 139 WHERE asyn.synonym_name = :objName | |
| 140 AND ao.object_type != 'SYNONYM' | |
| 141 AND asyn.owner = 'PUBLIC' | |
| 142 UNION ALL | |
| 143 SELECT 'DIRECTORY' object_type, dir.directory_name, dir.owner, 6 priority | |
| 144 FROM all_directories dir | |
| 145 WHERE dir.directory_name = :objName | |
| 146 UNION ALL | |
| 147 SELECT 'DATABASE LINK' object_type, db_link, owner, 7 priority | |
| 148 FROM all_db_links dbl | |
| 149 WHERE dbl.db_link = :objName | |
| 150 ) ORDER BY priority ASC, | |
| 151 length(object_type) ASC, | |
| 152 object_type DESC""", # preference: PACKAGE before PACKAGE BODY, TABLE before INDEX | |
| 153 'tabComments': """ | |
| 154 SELECT comments | |
| 155 FROM all_tab_comments | |
| 156 WHERE owner = :owner | |
| 157 AND table_name = :table_name""", | |
| 158 'colComments': """ | |
| 193 | 159 SELECT |
| 189 | 160 atc.column_name, |
| 161 acc.comments | |
| 162 FROM all_tab_columns atc | |
| 163 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
| 164 WHERE atc.table_name = :object_name | |
| 165 AND atc.owner = :owner | |
| 193 | 166 ORDER BY atc.column_id;""", |
| 189 | 167 'oneColComments': """ |
| 193 | 168 SELECTatc.column_name, |
| 189 | 169 acc.comments |
| 170 FROM all_tab_columns atc | |
| 171 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
| 172 WHERE atc.table_name = :object_name | |
| 173 AND atc.owner = :owner | |
| 174 AND acc.column_name = :column_name | |
| 193 | 175 ORDER BY atc.column_id;""", |
| 189 | 176 #thanks to Senora.pm for "refs" |
| 177 'refs': """ | |
| 178 NULL referenced_by, | |
| 179 c2.table_name references, | |
| 180 c1.constraint_name constraint | |
| 181 FROM | |
| 182 user_constraints c1, | |
| 183 user_constraints c2 | |
| 184 WHERE | |
| 185 c1.table_name = :object_name | |
| 186 and c1.constraint_type ='R' | |
| 187 and c1.r_constraint_name = c2.constraint_name | |
| 188 and c1.r_owner = c2.owner | |
| 189 and c1.owner = :owner | |
| 190 UNION | |
| 191 SELECT c1.table_name referenced_by, | |
| 192 NULL references, | |
| 193 c1.constraint_name constraint | |
| 194 FROM | |
| 195 user_constraints c1, | |
| 196 user_constraints c2 | |
| 197 WHERE | |
| 198 c2.table_name = :object_name | |
| 199 and c1.constraint_type ='R' | |
| 200 and c1.r_constraint_name = c2.constraint_name | |
| 201 and c1.r_owner = c2.owner | |
| 202 and c1.owner = :owner | |
| 203 """ | |
| 204 } | |
| 205 | |
| 206 if float(sys.version[:3]) < 2.3: | |
| 207 def enumerate(lst): | |
| 208 return zip(range(len(lst)), lst) | |
| 209 | |
| 210 class SoftwareSearcher(object): | |
| 211 def __init__(self, softwareList, purpose): | |
| 212 self.softwareList = softwareList | |
| 213 self.purpose = purpose | |
| 214 self.software = None | |
| 215 def invoke(self, *args): | |
| 216 if not self.software: | |
| 217 (self.software, self.invokeString) = self.find() | |
| 218 argTuple = tuple([self.software] + list(args)) | |
| 219 os.system(self.invokeString % argTuple) | |
| 220 def find(self): | |
| 221 if self.purpose == 'text editor': | |
| 222 software = os.environ.get('EDITOR') | |
| 223 if software: | |
| 224 return (software, '%s %s') | |
| 225 for (n, (software, invokeString)) in enumerate(self.softwareList): | |
| 226 if os.path.exists(software): | |
| 227 if n > (len(self.softwareList) * 0.7): | |
| 228 print """ | |
| 229 | |
| 230 Using %s. Note that there are better options available for %s, | |
| 231 but %s couldn't find a better one in your PATH. | |
| 232 Feel free to open up %s | |
| 233 and customize it to find your favorite %s program. | |
| 234 | |
| 235 """ % (software, self.purpose, __file__, __file__, self.purpose) | |
| 236 return (software, invokeString) | |
| 237 stem = os.path.split(software)[1] | |
| 238 for p in os.environ['PATH'].split(os.pathsep): | |
| 239 if os.path.exists(os.sep.join([p, stem])): | |
| 240 return (stem, invokeString) | |
| 241 raise (OSError, """Could not find any %s programs. You will need to install one, | |
| 242 or customize %s to make it aware of yours. | |
| 243 Looked for these programs: | |
| 244 %s""" % (self.purpose, __file__, "\n".join([s[0] for s in self.softwareList]))) | |
| 245 #v2.4: %s""" % (self.purpose, __file__, "\n".join(s[0] for s in self.softwareList))) | |
| 246 | |
| 247 softwareLists = { | |
| 248 'diff/merge': [ | |
| 249 ('/usr/bin/meld',"%s %s %s"), | |
| 250 ('/usr/bin/kdiff3',"%s %s %s"), | |
| 251 (r'C:\Program Files\Araxis\Araxis Merge v6.5\Merge.exe','"%s" %s %s'), | |
| 252 (r'C:\Program Files\TortoiseSVN\bin\TortoiseMerge.exe', '"%s" /base:"%s" /mine:"%s"'), | |
| 253 ('FileMerge','%s %s %s'), | |
| 254 ('kompare','%s %s %s'), | |
| 255 ('WinMerge','%s %s %s'), | |
| 256 ('xxdiff','%s %s %s'), | |
| 257 ('fldiff','%s %s %s'), | |
| 258 ('gtkdiff','%s %s %s'), | |
| 259 ('tkdiff','%s %s %s'), | |
| 260 ('gvimdiff','%s %s %s'), | |
| 261 ('diff',"%s %s %s"), | |
| 262 (r'c:\windows\system32\comp.exe',"%s %s %s")], | |
| 263 'text editor': [ | |
| 264 ('gedit', '%s %s'), | |
| 265 ('textpad', '%s %s'), | |
| 266 ('notepad.exe', '%s %s'), | |
| 267 ('pico', '%s %s'), | |
| 268 ('emacs', '%s %s'), | |
| 269 ('vim', '%s %s'), | |
| 270 ('vi', '%s %s'), | |
| 271 ('ed', '%s %s'), | |
| 272 ('edlin', '%s %s') | |
| 273 ] | |
| 274 } | |
| 275 | |
| 276 diffMergeSearcher = SoftwareSearcher(softwareLists['diff/merge'],'diff/merge') | |
| 277 editSearcher = SoftwareSearcher(softwareLists['text editor'], 'text editor') | |
| 278 editor = os.environ.get('EDITOR') | |
| 279 if editor: | |
| 280 editSearcher.find = lambda: (editor, "%s %s") | |
| 281 | |
| 282 class CaselessDict(dict): | |
| 283 """dict with case-insensitive keys. | |
| 284 | |
| 285 Posted to ASPN Python Cookbook by Jeff Donner - http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66315""" | |
| 286 def __init__(self, other=None): | |
| 287 if other: | |
| 288 # Doesn't do keyword args | |
| 289 if isinstance(other, dict): | |
| 290 for k,v in other.items(): | |
| 291 dict.__setitem__(self, k.lower(), v) | |
| 292 else: | |
| 293 for k,v in other: | |
| 294 dict.__setitem__(self, k.lower(), v) | |
| 295 def __getitem__(self, key): | |
| 296 return dict.__getitem__(self, key.lower()) | |
| 297 def __setitem__(self, key, value): | |
| 298 dict.__setitem__(self, key.lower(), value) | |
| 299 def __contains__(self, key): | |
| 300 return dict.__contains__(self, key.lower()) | |
| 301 def has_key(self, key): | |
| 302 return dict.has_key(self, key.lower()) | |
| 303 def get(self, key, def_val=None): | |
| 304 return dict.get(self, key.lower(), def_val) | |
| 305 def setdefault(self, key, def_val=None): | |
| 306 return dict.setdefault(self, key.lower(), def_val) | |
| 307 def update(self, other): | |
| 308 for k,v in other.items(): | |
| 309 dict.__setitem__(self, k.lower(), v) | |
| 310 def fromkeys(self, iterable, value=None): | |
| 311 d = CaselessDict() | |
| 312 for k in iterable: | |
| 313 dict.__setitem__(d, k.lower(), value) | |
| 314 return d | |
| 315 def pop(self, key, def_val=None): | |
| 316 return dict.pop(self, key.lower(), def_val) | |
| 317 | |
| 318 class Parser(object): | |
| 246 | 319 #comment_def = "--" + pyparsing.ZeroOrMore(pyparsing.CharsNotIn("\n")) |
| 320 comment_def = "--" + ~ ('-' + pyparsing.CaselessKeyword('begin')) + pyparsing.ZeroOrMore(pyparsing.CharsNotIn("\n")) | |
| 189 | 321 def __init__(self, scanner, retainSeparator=True): |
| 322 self.scanner = scanner | |
| 323 self.scanner.ignore(pyparsing.sglQuotedString) | |
| 324 self.scanner.ignore(pyparsing.dblQuotedString) | |
| 325 self.scanner.ignore(self.comment_def) | |
| 326 self.scanner.ignore(pyparsing.cStyleComment) | |
| 327 self.retainSeparator = retainSeparator | |
| 328 def separate(self, txt): | |
| 329 itms = [] | |
| 330 for (sqlcommand, start, end) in self.scanner.scanString(txt): | |
| 331 if sqlcommand: | |
| 332 if type(sqlcommand[0]) == pyparsing.ParseResults: | |
| 333 if self.retainSeparator: | |
| 334 itms.append("".join(sqlcommand[0])) | |
| 335 else: | |
| 336 itms.append(sqlcommand[0][0]) | |
| 337 else: | |
| 338 if sqlcommand[0]: | |
| 339 itms.append(sqlcommand[0]) | |
| 340 return itms | |
| 341 | |
| 342 bindScanner = Parser(pyparsing.Literal(':') + pyparsing.Word( pyparsing.alphanums + "_$#" )) | |
| 343 | |
| 344 def findBinds(target, existingBinds, givenBindVars = {}): | |
| 345 result = givenBindVars | |
| 346 for finding, startat, endat in bindScanner.scanner.scanString(target): | |
| 347 varname = finding[1] | |
| 348 try: | |
| 349 result[varname] = existingBinds[varname] | |
| 350 except KeyError: | |
| 351 if not givenBindVars.has_key(varname): | |
| 352 print 'Bind variable %s not defined.' % (varname) | |
| 353 return result | |
|
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354 |
| 189 | 355 class sqlpyPlus(sqlpython.sqlpython): |
| 356 defaultExtension = 'sql' | |
| 357 sqlpython.sqlpython.shortcuts.update({':': 'setbind', | |
| 358 '\\': 'psql', | |
| 359 '@': '_load'}) | |
| 360 multilineCommands = '''select insert update delete tselect | |
| 361 create drop alter _multiline_comment'''.split() | |
| 362 sqlpython.sqlpython.noSpecialParse.append('spool') | |
| 363 commentGrammars = pyparsing.Or([pyparsing.Literal('--') + pyparsing.restOfLine, pyparsing.cStyleComment]) | |
| 246 | 364 commentGrammars = pyparsing.Or([Parser.comment_def, pyparsing.cStyleComment]) |
| 247 | 365 default_file_name = 'afiedt.buf' |
| 189 | 366 def __init__(self): |
| 367 sqlpython.sqlpython.__init__(self) | |
| 368 self.binds = CaselessDict() | |
| 233 | 369 self.settable += 'autobind commit_on_exit maxfetch maxtselctrows timeout heading wildsql'.split() |
| 247 | 370 self.settable.remove('case_insensitive') |
| 230 | 371 self.settable.sort() |
| 189 | 372 self.stdoutBeforeSpool = sys.stdout |
| 373 self.spoolFile = None | |
| 374 self.autobind = False | |
| 229 | 375 self.heading = True |
| 240 | 376 self.wildsql = False |
| 189 | 377 |
| 378 # overrides cmd's parseline | |
| 379 def parseline(self, line): | |
| 380 """Parse the line into a command name and a string containing | |
| 381 the arguments. Returns a tuple containing (command, args, line). | |
| 382 'command' and 'args' may be None if the line couldn't be parsed. | |
| 383 Overrides cmd.cmd.parseline to accept variety of shortcuts..""" | |
| 384 | |
| 385 cmd, arg, line = sqlpython.sqlpython.parseline(self, line) | |
| 386 if cmd in ('select', 'sleect', 'insert', 'update', 'delete', 'describe', | |
| 387 'desc', 'comments', 'pull', 'refs', 'desc', 'triggers', 'find') \ | |
| 388 and not hasattr(self, 'curs'): | |
| 389 print 'Not connected.' | |
| 390 return '', '', '' | |
| 391 return cmd, arg, line | |
| 392 | |
| 393 do__load = Cmd.do_load | |
| 241 | 394 |
|
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395 def do_remark(self, line): |
| 242 | 396 ''' |
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397 REMARK is one way to denote a comment in SQL*Plus. |
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398 |
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399 Wrapping a *single* SQL or PL/SQL statement in `REMARK BEGIN` and `REMARK END` |
| 241 | 400 tells sqlpython to submit the enclosed code directly to Oracle as a single |
| 242 | 401 unit of code. |
| 241 | 402 |
| 403 Without these markers, sqlpython fails to properly distinguish the beginning | |
| 404 and end of all but the simplest PL/SQL blocks, causing errors. sqlpython also | |
| 405 slows down when parsing long SQL statements as it tries to determine whether | |
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406 the statement has ended yet; `REMARK BEGIN` and `REMARK END` allow it to skip this |
| 241 | 407 parsing. |
| 408 | |
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409 Standard SQL*Plus interprets REMARK BEGIN and REMARK END as comments, so it is |
| 242 | 410 safe to include them in SQL*Plus scripts. |
| 241 | 411 ''' |
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412 if not line.lower().strip().startswith('begin'): |
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413 return |
| 241 | 414 statement = [] |
| 247 | 415 next = self.pseudo_raw_input(self.continuation_prompt) |
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416 while next.lower().split()[:2] != ['remark','end']: |
| 241 | 417 statement.append(next) |
| 247 | 418 next = self.pseudo_raw_input(self.continuation_prompt) |
| 242 | 419 return self.onecmd('\n'.join(statement)) |
| 241 | 420 |
| 189 | 421 def onecmd_plus_hooks(self, line): |
| 422 line = self.precmd(line) | |
| 423 stop = self.onecmd(line) | |
| 424 stop = self.postcmd(stop, line) | |
| 425 | |
| 426 def do_shortcuts(self,arg): | |
| 427 """Lists available first-character shortcuts | |
| 428 (i.e. '!dir' is equivalent to 'shell dir')""" | |
| 429 for (scchar, scto) in self.shortcuts.items(): | |
| 430 print '%s: %s' % (scchar, scto) | |
| 431 | |
| 432 def colnames(self): | |
| 433 return [d[0] for d in curs.description] | |
| 434 | |
| 435 def sql_format_itm(self, itm, needsquotes): | |
| 436 if itm is None: | |
| 437 return 'NULL' | |
| 438 if needsquotes: | |
| 439 return "'%s'" % str(itm) | |
| 440 return str(itm) | |
| 441 tableNameFinder = re.compile(r'from\s+([\w$#_"]+)', re.IGNORECASE | re.MULTILINE | re.DOTALL) | |
| 442 inputStatementFormatters = { | |
| 443 cx_Oracle.STRING: "'%s'", | |
| 444 cx_Oracle.DATETIME: "TO_DATE('%s', 'YYYY-MM-DD HH24:MI:SS')"} | |
| 445 inputStatementFormatters[cx_Oracle.CLOB] = inputStatementFormatters[cx_Oracle.STRING] | |
| 446 inputStatementFormatters[cx_Oracle.TIMESTAMP] = inputStatementFormatters[cx_Oracle.DATETIME] | |
| 447 def output(self, outformat, rowlimit): | |
| 448 self.tblname = self.tableNameFinder.search(self.curs.statement).group(1) | |
| 449 self.colnames = [d[0] for d in self.curs.description] | |
| 450 if outformat in output_templates: | |
| 451 self.colnamelen = max(len(colname) for colname in self.colnames) | |
| 452 self.coltypes = [d[1] for d in self.curs.description] | |
| 453 self.formatters = [self.inputStatementFormatters.get(typ, '%s') for typ in self.coltypes] | |
| 454 result = output_templates[outformat].generate(**self.__dict__) | |
| 455 elif outformat == '\\t': # transposed | |
| 456 rows = [self.colnames] | |
| 457 rows.extend(list(self.rows)) | |
| 458 transpr = [[rows[y][x] for y in range(len(rows))]for x in range(len(rows[0]))] # matrix transpose | |
| 459 newdesc = [['ROW N.'+str(y),10] for y in range(len(rows))] | |
| 460 for x in range(len(self.curs.description)): | |
| 461 if str(self.curs.description[x][1]) == "<type 'cx_Oracle.BINARY'>": # handles RAW columns | |
| 462 rname = transpr[x][0] | |
| 463 transpr[x] = map(binascii.b2a_hex, transpr[x]) | |
| 464 transpr[x][0] = rname | |
| 465 newdesc[0][0] = 'COLUMN NAME' | |
| 466 result = '\n' + sqlpython.pmatrix(transpr,newdesc) | |
| 467 elif outformat in ('\\l', '\\L', '\\p', '\\b'): | |
| 468 plot = Plot() | |
| 469 plot.build(self, outformat) | |
| 470 plot.shelve() | |
| 471 plot.draw() | |
| 472 return '' | |
| 473 else: | |
| 229 | 474 result = sqlpython.pmatrix(self.rows, self.curs.description, self.maxfetch, heading=self.heading) |
| 189 | 475 return result |
| 476 | |
| 477 legalOracle = re.compile('[a-zA-Z_$#]') | |
| 478 | |
| 479 def select_scalar_list(self, sql, binds={}): | |
| 480 self.curs.execute(sql, binds) | |
| 481 return [r[0] for r in self.curs.fetchall()] | |
| 482 | |
| 483 columnNameRegex = re.compile( | |
| 484 r'select\s+(.*)from', | |
| 485 re.IGNORECASE | re.DOTALL | re.MULTILINE) | |
| 486 def completedefault(self, text, line, begidx, endidx): | |
| 487 segment = completion.whichSegment(line) | |
| 488 text = text.upper() | |
| 489 completions = [] | |
| 490 if segment == 'select': | |
| 491 stmt = "SELECT column_name FROM user_tab_columns WHERE column_name LIKE '%s%%'" | |
| 492 completions = self.select_scalar_list(stmt % (text)) | |
| 493 if not completions: | |
| 494 stmt = "SELECT column_name FROM all_tab_columns WHERE column_name LIKE '%s%%'" | |
| 495 completions = self.select_scalar_list(stmt % (text)) | |
| 496 if segment == 'from': | |
| 497 columnNames = self.columnNameRegex.search(line) | |
| 498 if columnNames: | |
| 499 columnNames = columnNames.group(1) | |
| 500 columnNames = [c.strip().upper() for c in columnNames.split(',')] | |
| 501 stmt1 = "SELECT table_name FROM all_tab_columns WHERE column_name = '%s' AND table_name LIKE '%s%%'" | |
| 502 for columnName in columnNames: | |
| 503 # and if columnName is * ? | |
| 504 completions.extend(self.select_scalar_list(stmt1 % (columnName, text))) | |
| 505 if segment in ('from', 'update', 'insert into') and (not completions): | |
| 506 stmt = "SELECT table_name FROM user_tables WHERE table_name LIKE '%s%%'" | |
| 507 completions = self.select_scalar_list(stmt % (text)) | |
| 508 if not completions: | |
| 509 stmt = """SELECT table_name FROM user_tables WHERE table_name LIKE '%s%%' | |
| 510 UNION | |
| 511 SELECT DISTINCT owner FROM all_tables WHERE owner LIKE '%%%s'""" | |
| 512 completions = self.select_scalar_list(stmt % (text, text)) | |
| 513 if segment in ('where', 'group by', 'order by', 'having', 'set'): | |
| 514 tableNames = completion.tableNamesFromFromClause(line) | |
| 515 if tableNames: | |
| 516 stmt = """SELECT column_name FROM all_tab_columns | |
| 517 WHERE table_name IN (%s)""" % \ | |
| 518 (','.join("'%s'" % (t) for t in tableNames)) | |
| 519 stmt = "%s AND column_name LIKE '%s%%'" % (stmt, text) | |
| 520 completions = self.select_scalar_list(stmt) | |
| 521 if not segment: | |
| 522 stmt = "SELECT object_name FROM all_objects WHERE object_name LIKE '%s%%'" | |
| 523 completions = self.select_scalar_list(stmt % (text)) | |
| 524 return completions | |
| 233 | 525 |
|
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526 columnlistPattern = pyparsing.SkipTo(pyparsing.CaselessKeyword('from'))('columns') + \ |
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527 pyparsing.SkipTo(pyparsing.stringEnd)('remainder') |
| 233 | 528 |
| 236 | 529 negator = pyparsing.Literal('!')('exclude') |
| 242 | 530 colNumber = pyparsing.Optional(negator) + pyparsing.Literal('#') + pyparsing.Word('-' + pyparsing.nums, pyparsing.nums)('column_number') |
|
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531 colName = negator + pyparsing.Word('$_#' + pyparsing.alphas, '$_#' + pyparsing.alphanums)('column_name') |
| 241 | 532 wildColName = pyparsing.Optional(negator) + pyparsing.Word('?*%$_#' + pyparsing.alphas, '?*%$_#' + pyparsing.alphanums, min=2)('column_name') |
| 242 | 533 colNumber.ignore(pyparsing.cStyleComment).ignore(Parser.comment_def). \ |
| 534 ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString) | |
| 235 | 535 wildSqlParser = colNumber ^ colName ^ wildColName |
| 536 wildSqlParser.ignore(pyparsing.cStyleComment).ignore(Parser.comment_def). \ | |
| 236 | 537 ignore(pyparsing.sglQuotedString).ignore(pyparsing.dblQuotedString) |
| 538 emptyCommaRegex = re.compile(',\s*,', re.DOTALL) | |
| 539 deadStarterCommaRegex = re.compile('^\s*,', re.DOTALL) | |
| 540 deadEnderCommaRegex = re.compile(',\s*$', re.DOTALL) | |
| 233 | 541 def expandWildSql(self, arg): |
| 542 try: | |
|
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543 columnlist = self.columnlistPattern.parseString(arg) |
| 233 | 544 except pyparsing.ParseException: |
| 545 return arg | |
| 236 | 546 parseresults = list(self.wildSqlParser.scanString(columnlist.columns)) |
|
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547 # I would rather exclude non-wild column names in the grammar, |
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548 # but can't figure out how |
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549 parseresults = [p for p in parseresults if |
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550 p[0].column_number or |
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551 '*' in p[0].column_name or |
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552 '%' in p[0].column_name or |
| 241 | 553 '?' in p[0].column_name or |
|
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554 p[0].exclude] |
| 236 | 555 if not parseresults: |
| 556 return arg | |
|
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557 self.curs.execute('select * ' + columnlist.remainder, self.varsUsed) |
| 236 | 558 columns_available = [d[0] for d in self.curs.description] |
|
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559 replacers = {} |
| 236 | 560 included = set() |
| 561 excluded = set() | |
| 562 for (col, startpos, endpos) in parseresults: | |
|
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563 replacers[arg[startpos:endpos]] = [] |
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564 if col.column_name: |
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565 finder = col.column_name.replace('*','.*') |
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566 finder = finder.replace('%','.*') |
| 241 | 567 finder = finder.replace('?','.') |
| 568 colnames = [c for c in columns_available if re.match(finder + '$', c, re.IGNORECASE)] | |
|
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569 elif col.column_number: |
| 236 | 570 idx = int(col.column_number) |
| 571 if idx > 0: | |
| 572 idx -= 1 | |
|
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573 colnames = [columns_available[idx]] |
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574 if not colnames: |
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575 print 'No columns found matching criteria.' |
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576 return 'null from dual' |
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577 for colname in colnames: |
| 236 | 578 if col.exclude: |
| 579 included.discard(colname) | |
| 580 include_here = columns_available[:] | |
| 581 include_here.remove(colname) | |
| 240 | 582 replacers[arg[startpos:endpos]].extend(i for i in include_here if i not in replacers[arg[startpos:endpos]]) |
| 236 | 583 excluded.add(colname) |
| 584 else: | |
| 585 excluded.discard(colname) | |
|
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586 replacers[arg[startpos:endpos]].append(colname) |
| 236 | 587 |
|
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588 replacers = sorted(replacers.items(), key=len, reverse=True) |
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589 result = columnlist.columns |
| 236 | 590 for (target, replacement) in replacers: |
| 242 | 591 cols = [r for r in replacement if r not in excluded and r not in included] |
|
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592 replacement = ', '.join(cols) |
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593 included.update(cols) |
| 236 | 594 result = result.replace(target, replacement) |
| 242 | 595 # some column names could get wiped out completely, so we fix their dangling commas |
| 236 | 596 result = self.emptyCommaRegex.sub(',', result) |
| 597 result = self.deadStarterCommaRegex.sub('', result) | |
| 598 result = self.deadEnderCommaRegex.sub('', result) | |
| 242 | 599 if not result.strip(): |
| 600 print 'No columns found matching criteria.' | |
| 601 return 'null from dual' | |
| 237 | 602 return result + ' ' + columnlist.remainder |
| 233 | 603 |
| 189 | 604 rowlimitPattern = pyparsing.Word(pyparsing.nums)('rowlimit') |
| 204 | 605 terminators = '; \\C \\t \\i \\p \\l \\L \\b '.split() + output_templates.keys() |
|
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606 |
|
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607 def do_select(self, arg, bindVarsIn=None, terminator=None): |
| 189 | 608 """Fetch rows from a table. |
| 609 | |
| 610 Limit the number of rows retrieved by appending | |
| 611 an integer after the terminator | |
| 612 (example: SELECT * FROM mytable;10 ) | |
| 613 | |
| 614 Output may be formatted by choosing an alternative terminator | |
| 615 ("help terminators" for details) | |
| 616 """ | |
| 617 bindVarsIn = bindVarsIn or {} | |
| 196 | 618 try: |
| 619 rowlimit = int(arg.parsed.suffix or 0) | |
| 620 except ValueError: | |
| 621 rowlimit = 0 | |
| 206 | 622 print "Specify desired number of rows after terminator (not '%s')" % arg.parsed.suffix |
| 194 | 623 self.varsUsed = findBinds(arg, self.binds, bindVarsIn) |
| 233 | 624 if self.wildsql: |
|
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625 selecttext = self.expandWildSql(arg) |
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626 else: |
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627 selecttext = arg |
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628 self.curs.execute('select ' + selecttext, self.varsUsed) |
| 194 | 629 self.rows = self.curs.fetchmany(min(self.maxfetch, (rowlimit or self.maxfetch))) |
| 189 | 630 self.rc = self.curs.rowcount |
| 631 if self.rc > 0: | |
| 194 | 632 self.stdout.write('\n%s\n' % (self.output(arg.parsed.terminator, rowlimit))) |
| 189 | 633 if self.rc == 0: |
| 634 print '\nNo rows Selected.\n' | |
| 635 elif self.rc == 1: | |
| 636 print '\n1 row selected.\n' | |
| 637 if self.autobind: | |
| 638 self.binds.update(dict(zip([''.join(l for l in d[0] if l.isalnum()) for d in self.curs.description], self.rows[0]))) | |
| 639 for (i, val) in enumerate(self.rows[0]): | |
| 640 varname = ''.join(letter for letter in self.curs.description[i][0] if letter.isalnum() or letter == '_') | |
| 641 self.binds[varname] = val | |
| 642 self.binds[str(i+1)] = val | |
| 643 elif self.rc < self.maxfetch: | |
| 644 print '\n%d rows selected.\n' % self.rc | |
| 645 else: | |
| 646 print '\nSelected Max Num rows (%d)' % self.rc | |
| 193 | 647 |
| 648 def do_cat(self, arg): | |
| 226 | 649 '''Shortcut for SELECT * FROM''' |
| 200 | 650 return self.do_select(self.parsed('SELECT * FROM %s;' % arg, |
| 651 terminator = arg.parsed.terminator or ';', | |
| 652 suffix = arg.parsed.suffix)) | |
| 220 | 653 |
| 654 def _pull(self, arg, opts, vc=None): | |
| 655 """Displays source code.""" | |
| 656 if opts.dump: | |
| 657 statekeeper = Statekeeper(self, ('stdout',)) | |
| 658 try: | |
| 659 for (owner, object_type, object_name) in self.resolve_many(arg, opts): | |
| 660 if object_type in self.supported_ddl_types: | |
| 661 object_type = {'DATABASE LINK': 'DB_LINK', 'JAVA CLASS': 'JAVA_SOURCE' | |
| 662 }.get(object_type) or object_type | |
| 663 object_type = object_type.replace(' ', '_') | |
| 664 if opts.dump: | |
| 665 try: | |
| 666 os.makedirs(os.path.join(owner.lower(), object_type.lower())) | |
| 667 except OSError: | |
| 668 pass | |
| 669 filename = os.path.join(owner.lower(), object_type.lower(), '%s.sql' % object_name.lower()) | |
| 670 self.stdout = open(filename, 'w') | |
| 671 if vc: | |
| 672 subprocess.call(vc + [filename]) | |
| 248 | 673 if object_type == 'PACKAGE': |
| 674 ddl = [['PACKAGE_SPEC', object_name, owner],['PACKAGE_BODY', object_name, owner]] | |
| 675 elif object_type in ['CONTEXT', 'DIRECTORY', 'JOB']: | |
| 676 ddl = [[object_type, object_name]] | |
| 677 else: | |
| 678 ddl = [[object_type, object_name, owner]] | |
| 679 for ddlargs in ddl: | |
| 680 try: | |
| 246 | 681 self.stdout.write('REMARK BEGIN %s\n%s\nREMARK END\n\n' % (object_name, str(self.curs.callfunc('DBMS_METADATA.GET_DDL', cx_Oracle.CLOB, ddlargs)))) |
| 248 | 682 except cx_Oracle.DatabaseError, errmsg: |
| 683 if object_type == 'JOB': | |
| 684 print '%s: DBMS_METADATA.GET_DDL does not support JOBs (MetaLink DocID 567504.1)' % object_name | |
| 685 elif 'ORA-31603' in str(errmsg): # not found, as in package w/o package body | |
| 686 pass | |
| 687 else: | |
| 688 raise | |
| 220 | 689 if opts.full: |
| 690 for dependent_type in ('OBJECT_GRANT', 'CONSTRAINT', 'TRIGGER'): | |
| 691 try: | |
|
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692 self.stdout.write('REMARK BEGIN\n%s\nREMARK END\n\n' % str(self.curs.callfunc('DBMS_METADATA.GET_DEPENDENT_DDL', cx_Oracle.CLOB, |
| 220 | 693 [dependent_type, object_name, owner]))) |
| 694 except cx_Oracle.DatabaseError: | |
| 695 pass | |
| 696 if opts.dump: | |
| 697 self.stdout.close() | |
| 698 except: | |
| 699 if opts.dump: | |
| 700 statekeeper.restore() | |
| 701 raise | |
| 702 if opts.dump: | |
| 703 statekeeper.restore() | |
| 704 | |
| 221 | 705 def do_show(self, arg): |
| 706 ''' | |
| 707 show - display value of all sqlpython parameters | |
| 708 show (parameter name) - display value of a sqlpython parameter | |
| 709 show parameter (parameter name) - display value of an ORACLE parameter | |
| 710 ''' | |
| 711 if arg.startswith('param'): | |
| 712 try: | |
| 713 paramname = arg.split()[1].lower() | |
| 714 except IndexError: | |
| 715 paramname = '' | |
| 716 self.onecmd("""SELECT name, | |
| 717 CASE type WHEN 1 THEN 'BOOLEAN' | |
| 718 WHEN 2 THEN 'STRING' | |
| 719 WHEN 3 THEN 'INTEGER' | |
| 720 WHEN 4 THEN 'PARAMETER FILE' | |
| 721 WHEN 5 THEN 'RESERVED' | |
| 722 WHEN 6 THEN 'BIG INTEGER' END type, | |
| 723 value FROM v$parameter WHERE name LIKE '%%%s%%';""" % paramname) | |
| 724 else: | |
| 725 return Cmd.do_show(self, arg) | |
| 726 | |
|
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727 @options([make_option('-d', '--dump', action='store_true', help='dump results to files'), |
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728 make_option('-f', '--full', action='store_true', help='get dependent objects as well'), |
|
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729 make_option('-a', '--all', action='store_true', help="all schemas' objects"), |
|
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730 make_option('-x', '--exact', action='store_true', help="match object name exactly")]) |
| 189 | 731 def do_pull(self, arg, opts): |
| 732 """Displays source code.""" | |
| 220 | 733 self._pull(arg, opts) |
| 734 | |
| 247 | 735 supported_ddl_types = 'CLUSTER, CONTEXT, DATABASE LINK, DIRECTORY, FUNCTION, INDEX, JOB, LIBRARY, MATERIALIZED VIEW, PACKAGE, PACKAGE BODY, PACKAGE SPEC, OPERATOR, PACKAGE, PROCEDURE, SEQUENCE, SYNONYM, TABLE, TRIGGER, VIEW, TYPE, TYPE BODY, XML SCHEMA' |
| 220 | 736 do_pull.__doc__ += '\n\nSupported DDL types: ' + supported_ddl_types |
| 737 supported_ddl_types = supported_ddl_types.split(', ') | |
| 189 | 738 |
| 224 | 739 def _vc(self, arg, opts, program): |
| 248 | 740 if not os.path.exists('.%s' % program): |
| 741 create = raw_input('%s repository not yet in current directory (%s). Create (y/N)? ' % | |
| 742 (program, os.getcwd())) | |
| 743 if not create.strip().lower().startswith('y'): | |
| 744 return | |
| 224 | 745 subprocess.call([program, 'init']) |
| 220 | 746 opts.dump = True |
| 747 self._pull(arg, opts, vc=[program, 'add']) | |
| 748 subprocess.call([program, 'commit', '-m', '"%s"' % opts.message or 'committed from sqlpython']) | |
| 749 | |
| 750 @options([ | |
| 751 make_option('-f', '--full', action='store_true', help='get dependent objects as well'), | |
| 752 make_option('-a', '--all', action='store_true', help="all schemas' objects"), | |
| 753 make_option('-x', '--exact', action='store_true', help="match object name exactly"), | |
| 754 make_option('-m', '--message', action='store', type='string', dest='message', help="message to save to hg log during commit")]) | |
| 755 def do_hg(self, arg, opts): | |
| 756 '''hg (opts) (objects): | |
| 226 | 757 Stores DDL on disk and puts files under Mercurial version control. |
| 758 Args specify which objects to store, same format as `ls`.''' | |
| 224 | 759 self._vc(arg, opts, 'hg') |
| 189 | 760 |
| 220 | 761 @options([ |
| 762 make_option('-f', '--full', action='store_true', help='get dependent objects as well'), | |
| 763 make_option('-a', '--all', action='store_true', help="all schemas' objects"), | |
| 764 make_option('-x', '--exact', action='store_true', help="match object name exactly"), | |
| 765 make_option('-m', '--message', action='store', type='string', dest='message', help="message to save to hg log during commit")]) | |
| 766 def do_bzr(self, arg, opts): | |
| 767 '''bzr (opts) (objects): | |
| 226 | 768 Stores DDL on disk and puts files under Bazaar version control. |
| 769 Args specify which objects to store, same format as `ls`.''' | |
| 224 | 770 self._vc(arg, opts, 'bzr') |
| 220 | 771 |
| 772 @options([ | |
| 773 make_option('-f', '--full', action='store_true', help='get dependent objects as well'), | |
| 774 make_option('-a', '--all', action='store_true', help="all schemas' objects"), | |
| 775 make_option('-x', '--exact', action='store_true', help="match object name exactly"), | |
| 776 make_option('-m', '--message', action='store', type='string', dest='message', help="message to save to hg log during commit")]) | |
| 224 | 777 def do_git(self, arg, opts): |
| 778 '''git (opts) (objects): | |
| 226 | 779 Stores DDL on disk and puts files under git version control. |
| 780 Args specify which objects to store, same format as `ls`.''' | |
| 224 | 781 self._vc(arg, opts, 'git') |
| 220 | 782 |
| 196 | 783 all_users_option = make_option('-a', action='store_const', dest="scope", |
| 222 | 784 default={'col':'', 'view':'user', 'schemas':'user', 'firstcol': ''}, |
| 785 const={'col':', owner', 'view':'all', 'schemas':'all', 'firstcol': 'owner, '}, | |
| 194 | 786 help='Describe all objects (not just my own)') |
| 787 @options([all_users_option, | |
| 189 | 788 make_option('-c', '--col', action='store_true', help='find column'), |
| 789 make_option('-t', '--table', action='store_true', help='find table')]) | |
| 790 def do_find(self, arg, opts): | |
| 791 """Finds argument in source code or (with -c) in column definitions.""" | |
| 193 | 792 |
| 793 capArg = arg.upper() | |
| 189 | 794 |
| 795 if opts.col: | |
| 222 | 796 sql = "SELECT table_name, column_name %s FROM %s_tab_columns where column_name like '%%%s%%' ORDER BY %s table_name, column_name;" \ |
| 797 % (opts.scope['col'], opts.scope['view'], capArg, opts.scope['firstcol']) | |
| 189 | 798 elif opts.table: |
| 222 | 799 sql = "SELECT table_name %s from %s_tables where table_name like '%%%s%%' ORDER BY %s table_name;" \ |
| 800 % (opts.scope['col'], opts.scope['view'], capArg, opts.scope['firstcol']) | |
| 189 | 801 else: |
| 196 | 802 sql = "SELECT * from %s_source where UPPER(text) like '%%%s%%';" % (opts.scope['view'], capArg) |
| 200 | 803 self.do_select(self.parsed(sql, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) |
| 193 | 804 |
| 194 | 805 @options([all_users_option]) |
| 189 | 806 def do_describe(self, arg, opts): |
| 807 "emulates SQL*Plus's DESCRIBE" | |
| 193 | 808 target = arg.upper() |
| 809 if not target: | |
| 194 | 810 return self.do_select(self.parsed("""SELECT object_name, object_type%s |
| 811 FROM %s_objects | |
| 812 WHERE object_type IN ('TABLE','VIEW','INDEX') | |
| 196 | 813 ORDER BY object_name;""" % (opts.scope['col'], opts.scope['view']), |
| 200 | 814 terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) |
| 193 | 815 object_type, owner, object_name = self.resolve(target) |
| 189 | 816 if not object_type: |
| 194 | 817 return self.do_select(self.parsed("""SELECT object_name, object_type%s FROM %s_objects |
| 818 WHERE object_type IN ('TABLE','VIEW','INDEX') | |
| 819 AND object_name LIKE '%%%s%%' | |
| 820 ORDER BY object_name;""" % | |
| 200 | 821 (opts.scope['col'], opts.scope['view'], target), |
| 822 terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) | |
| 189 | 823 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
| 824 descQ = descQueries.get(object_type) | |
| 825 if descQ: | |
| 826 for q in descQ: | |
| 204 | 827 self.do_select(self.parsed(q, terminator=arg.parsed.terminator or ';' , suffix=arg.parsed.suffix), |
| 200 | 828 bindVarsIn={'object_name':object_name, 'owner':owner}) |
| 189 | 829 elif object_type == 'PACKAGE': |
| 830 packageContents = self.select_scalar_list(descQueries['PackageObjects'][0], {'package_name':object_name, 'owner':owner}) | |
| 831 for packageObj_name in packageContents: | |
| 832 self.stdout.write('Arguments to %s\n' % (packageObj_name)) | |
| 200 | 833 sql = self.parsed(descQueries['PackageObjArgs'][0], terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix) |
| 194 | 834 self.do_select(sql, bindVarsIn={'package_name':object_name, 'owner':owner, 'object_name':packageObj_name}) |
| 189 | 835 do_desc = do_describe |
| 836 | |
| 837 def do_deps(self, arg): | |
| 193 | 838 target = arg.upper() |
| 839 object_type, owner, object_name = self.resolve(target) | |
| 189 | 840 if object_type == 'PACKAGE BODY': |
| 841 q = "and (type != 'PACKAGE BODY' or name != :object_name)'" | |
| 842 object_type = 'PACKAGE' | |
| 843 else: | |
| 844 q = "" | |
| 193 | 845 q = """SELECT name, |
| 189 | 846 type |
| 847 from user_dependencies | |
| 848 where | |
| 849 referenced_name like :object_name | |
| 850 and referenced_type like :object_type | |
| 851 and referenced_owner like :owner | |
| 193 | 852 %s;""" % (q) |
| 200 | 853 self.do_select(self.parsed(q, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix), |
| 854 bindVarsIn={'object_name':object_name, 'object_type':object_type, 'owner':owner}) | |
| 189 | 855 |
| 856 def do_comments(self, arg): | |
| 857 'Prints comments on a table and its columns.' | |
| 193 | 858 target = arg.upper() |
| 859 object_type, owner, object_name, colName = self.resolve_with_column(target) | |
| 189 | 860 if object_type: |
| 193 | 861 self.curs.execute(queries['tabComments'], {'table_name':object_name, 'owner':owner}) |
| 189 | 862 self.stdout.write("%s %s.%s: %s\n" % (object_type, owner, object_name, self.curs.fetchone()[0])) |
| 863 if colName: | |
| 194 | 864 sql = queries['oneColComments'] |
| 865 bindVarsIn={'owner':owner, 'object_name': object_name, 'column_name': colName} | |
| 189 | 866 else: |
| 194 | 867 sql = queries['colComments'] |
| 868 bindVarsIn={'owner':owner, 'object_name': object_name} | |
| 200 | 869 self.do_select(self.parsed(sql, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix), |
| 870 bindVarsIn=bindVarsIn) | |
| 189 | 871 |
| 872 def resolve(self, identifier): | |
| 873 """Checks (my objects).name, (my synonyms).name, (public synonyms).name | |
| 874 to resolve a database object's name. """ | |
| 875 parts = identifier.split('.') | |
| 876 try: | |
| 877 if len(parts) == 2: | |
| 878 owner, object_name = parts | |
| 879 object_type = self.select_scalar_list('SELECT object_type FROM all_objects WHERE owner = :owner AND object_name = :object_name', | |
| 205 | 880 {'owner': owner, 'object_name': object_name.upper()} |
| 189 | 881 )[0] |
| 882 elif len(parts) == 1: | |
| 883 object_name = parts[0] | |
| 205 | 884 self.curs.execute(queries['resolve'], {'objName':object_name.upper()}) |
| 189 | 885 object_type, object_name, owner = self.curs.fetchone() |
| 886 except (TypeError, IndexError): | |
| 887 print 'Could not resolve object %s.' % identifier | |
| 888 object_type, owner, object_name = '', '', '' | |
| 889 return object_type, owner, object_name | |
| 890 | |
| 891 def resolve_with_column(self, identifier): | |
| 892 colName = None | |
| 893 object_type, owner, object_name = self.resolve(identifier) | |
| 894 if not object_type: | |
| 895 parts = identifier.split('.') | |
| 896 if len(parts) > 1: | |
| 897 colName = parts[-1] | |
| 898 identifier = '.'.join(parts[:-1]) | |
| 899 object_type, owner, object_name = self.resolve(identifier) | |
| 900 return object_type, owner, object_name, colName | |
| 901 | |
| 902 def do_resolve(self, arg): | |
| 195 | 903 target = arg.upper() |
| 904 self.stdout.write(','.join(self.resolve(target))+'\n') | |
| 189 | 905 |
| 906 def spoolstop(self): | |
| 907 if self.spoolFile: | |
| 908 self.stdout = self.stdoutBeforeSpool | |
| 909 print 'Finished spooling to ', self.spoolFile.name | |
| 910 self.spoolFile.close() | |
| 911 self.spoolFile = None | |
| 912 | |
| 913 def do_spool(self, arg): | |
| 914 """spool [filename] - begins redirecting output to FILENAME.""" | |
| 915 self.spoolstop() | |
| 916 arg = arg.strip() | |
| 917 if not arg: | |
| 918 arg = 'output.lst' | |
| 919 if arg.lower() != 'off': | |
| 920 if '.' not in arg: | |
| 921 arg = '%s.lst' % arg | |
| 922 print 'Sending output to %s (until SPOOL OFF received)' % (arg) | |
| 923 self.spoolFile = open(arg, 'w') | |
| 924 self.stdout = self.spoolFile | |
| 925 | |
| 926 def do_write(self, args): | |
| 927 print 'Use (query) > outfilename instead.' | |
| 928 return | |
| 929 | |
| 930 def do_compare(self, args): | |
| 931 """COMPARE query1 TO query2 - uses external tool to display differences. | |
| 932 | |
| 933 Sorting is recommended to avoid false hits. | |
| 934 Will attempt to use a graphical diff/merge tool like kdiff3, meld, or Araxis Merge, | |
| 935 if they are installed.""" | |
| 193 | 936 #TODO: Update this to use pyparsing |
| 189 | 937 fnames = [] |
| 938 args2 = args.split(' to ') | |
| 939 if len(args2) < 2: | |
| 940 print self.do_compare.__doc__ | |
| 941 return | |
| 942 for n in range(len(args2)): | |
| 943 query = args2[n] | |
| 944 fnames.append('compare%s.txt' % n) | |
| 945 #TODO: update this terminator-stripping | |
| 946 if query.rstrip()[-1] != self.terminator: | |
| 947 query = '%s%s' % (query, self.terminator) | |
| 948 self.onecmd_plus_hooks('%s > %s' % (query, fnames[n])) | |
| 949 diffMergeSearcher.invoke(fnames[0], fnames[1]) | |
| 950 | |
| 951 bufferPosPattern = re.compile('\d+') | |
| 952 rangeIndicators = ('-',':') | |
| 953 | |
| 954 def do_psql(self, arg): | |
| 955 '''Shortcut commands emulating psql's backslash commands. | |
| 956 | |
| 957 \c connect | |
| 958 \d desc | |
| 959 \e edit | |
| 960 \g run | |
| 961 \h help | |
| 962 \i load | |
| 963 \o spool | |
| 964 \p list | |
| 965 \q quit | |
| 966 \w save | |
| 967 \db _dir_tablespaces | |
| 968 \dd comments | |
| 969 \dn _dir_schemas | |
| 970 \dt _dir_tables | |
| 971 \dv _dir_views | |
| 972 \di _dir_indexes | |
| 973 \? help psql''' | |
| 974 commands = {} | |
| 975 for c in self.do_psql.__doc__.splitlines()[2:]: | |
| 976 (abbrev, command) = c.split(None, 1) | |
| 977 commands[abbrev[1:]] = command | |
| 978 words = arg.split(None,1) | |
| 979 try: | |
| 980 abbrev = words[0] | |
| 981 except IndexError: | |
| 982 return | |
| 983 try: | |
| 984 args = words[1] | |
| 985 except IndexError: | |
| 986 args = '' | |
| 987 try: | |
| 200 | 988 return self.onecmd('%s %s%s%s' % (commands[abbrev], args, arg.parsed.terminator, arg.parsed.suffix)) |
| 189 | 989 except KeyError: |
| 990 print 'psql command \%s not yet supported.' % abbrev | |
| 991 | |
| 194 | 992 @options([all_users_option]) |
| 189 | 993 def do__dir_tables(self, arg, opts): |
| 194 | 994 sql = """SELECT table_name, 'TABLE' as type%s FROM %s_tables WHERE table_name LIKE '%%%s%%';""" % \ |
| 196 | 995 (opts.scope['col'], opts.scope['view'], arg.upper()) |
| 200 | 996 self.do_select(self.parsed(sql, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) |
| 194 | 997 |
| 998 @options([all_users_option]) | |
| 189 | 999 def do__dir_views(self, arg, opts): |
| 194 | 1000 sql = """SELECT view_name, 'VIEW' as type%s FROM %s_views WHERE view_name LIKE '%%%s%%';""" % \ |
| 196 | 1001 (opts.scope['col'], opts.scope['view'], arg.upper()) |
| 200 | 1002 self.do_select(self.parsed(sql, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) |
| 194 | 1003 |
| 1004 @options([all_users_option]) | |
| 189 | 1005 def do__dir_indexes(self, arg, opts): |
| 194 | 1006 sql = """SELECT index_name, index_type%s FROM %s_indexes WHERE index_name LIKE '%%%s%%' OR table_name LIKE '%%%s%%';""" % \ |
| 196 | 1007 (opts.scope['col'], opts.scope['view'], arg.upper(), arg.upper()) |
| 200 | 1008 self.do_select(self.parsed(sql, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) |
| 189 | 1009 |
| 1010 def do__dir_tablespaces(self, arg): | |
| 194 | 1011 sql = """SELECT tablespace_name, file_name from dba_data_files;""" |
| 200 | 1012 self.do_select(self.parsed(sql, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) |
| 189 | 1013 |
| 1014 def do__dir_schemas(self, arg): | |
| 194 | 1015 sql = """SELECT owner, count(*) AS objects FROM all_objects GROUP BY owner ORDER BY owner;""" |
| 200 | 1016 self.do_select(self.parsed(sql, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) |
| 189 | 1017 |
| 1018 def do_head(self, arg): | |
| 226 | 1019 '''Shortcut for SELECT * FROM <arg>;10 |
| 1020 The terminator (\\t, \\g, \\x, etc.) and number of rows can | |
| 1021 be changed as for any other SELECT statement.''' | |
| 200 | 1022 sql = self.parsed('SELECT * FROM %s;' % arg, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix) |
| 195 | 1023 sql.parsed['suffix'] = sql.parsed.suffix or '10' |
| 196 | 1024 self.do_select(self.parsed(sql)) |
| 189 | 1025 |
| 1026 def do_print(self, arg): | |
| 1027 'print VARNAME: Show current value of bind variable VARNAME.' | |
| 1028 if arg: | |
| 1029 if arg[0] == ':': | |
| 1030 arg = arg[1:] | |
| 1031 try: | |
| 1032 self.stdout.write(str(self.binds[arg])+'\n') | |
| 1033 except KeyError: | |
| 1034 self.stdout.write('No bind variable %s\n' % arg) | |
| 1035 else: | |
| 1036 for (var, val) in self.binds.items(): | |
| 1037 print ':%s = %s' % (var, val) | |
| 1038 | |
| 1039 assignmentScanner = Parser(pyparsing.Literal(':=') ^ '=') | |
| 1040 def do_setbind(self, arg): | |
| 1041 if not arg: | |
| 1042 return self.do_print(arg) | |
| 1043 try: | |
| 1044 assigner, startat, endat = self.assignmentScanner.scanner.scanString(arg).next() | |
| 1045 except StopIteration: | |
| 1046 self.do_print(arg) | |
| 1047 return | |
| 1048 var, val = arg[:startat].strip(), arg[endat:].strip() | |
| 1049 if val[0] == val[-1] == "'" and len(val) > 1: | |
| 1050 self.binds[var] = val[1:-1] | |
| 1051 return | |
| 1052 try: | |
| 1053 self.binds[var] = int(val) | |
| 1054 return | |
| 1055 except ValueError: | |
| 1056 try: | |
| 1057 self.binds[var] = float(val) | |
| 1058 return | |
| 1059 except ValueError: | |
| 1060 statekeeper = Statekeeper(self, ('autobind',)) | |
| 1061 self.autobind = True | |
| 193 | 1062 self.onecmd('SELECT %s AS %s FROM dual;' % (val, var)) |
| 189 | 1063 statekeeper.restore() |
| 1064 | |
| 1065 def do_exec(self, arg): | |
| 213 | 1066 if arg.startswith(':'): |
| 189 | 1067 self.do_setbind(arg[1:]) |
| 1068 else: | |
| 1069 varsUsed = findBinds(arg, self.binds, {}) | |
| 1070 try: | |
| 1071 self.curs.execute('begin\n%s;end;' % arg, varsUsed) | |
| 1072 except Exception, e: | |
| 1073 print e | |
| 1074 | |
| 1075 ''' | |
| 1076 Fails: | |
| 1077 select n into :n from test;''' | |
| 1078 | |
| 1079 def anon_plsql(self, line1): | |
| 1080 lines = [line1] | |
| 1081 while True: | |
| 247 | 1082 line = self.pseudo_raw_input(self.continuation_prompt) |
| 241 | 1083 if line == 'EOF': |
| 1084 return | |
| 189 | 1085 if line.strip() == '/': |
| 1086 try: | |
| 1087 self.curs.execute('\n'.join(lines)) | |
| 1088 except Exception, e: | |
| 1089 print e | |
| 1090 return | |
| 1091 lines.append(line) | |
| 1092 | |
| 1093 def do_begin(self, arg): | |
| 1094 self.anon_plsql('begin ' + arg) | |
| 1095 | |
| 1096 def do_declare(self, arg): | |
| 1097 self.anon_plsql('declare ' + arg) | |
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1098 |
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1099 def _ls_statement(self, arg, opts): |
| 189 | 1100 if arg: |
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1101 target = arg.upper() |
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1102 if hasattr(opts, 'exact') and opts.exact: |
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1103 where = """\nWHERE object_name = '%s' |
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1104 OR object_type || '/' || object_name = '%s'""" % \ |
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1105 (target, target) |
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1106 else: |
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1107 where = "\nWHERE object_type || '/' || object_name LIKE '%%%s%%'" % (arg.upper().replace('*','%')) |
| 189 | 1108 else: |
| 1109 where = '' | |
| 1110 if opts.all: | |
| 1111 whose = 'all' | |
| 1112 objname = "owner || '.' || object_name" | |
| 1113 else: | |
| 1114 whose = 'user' | |
| 1115 objname = 'object_name' | |
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1116 if hasattr(opts, 'long') and opts.long: |
| 228 | 1117 moreColumns = ', status, last_ddl_time' |
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1118 else: |
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1119 moreColumns = '' |
| 227 | 1120 |
| 1121 # 'Normal' sort order is DATE DESC (maybe), object type ASC, object name ASC | |
| 244 | 1122 sortdirection = (hasattr(opts, 'reverse') and opts.reverse and 'DESC') or 'ASC' |
| 227 | 1123 orderby = 'object_type %s, object_name %s' % (sortdirection, sortdirection) |
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1124 if hasattr(opts, 'timesort') and opts.timesort: |
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1125 orderby = 'last_ddl_time %s, %s' % (('ASC' if hasattr(opts, 'reverse') and opts.reverse else 'DESC'), orderby) |
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1126 return {'objname': objname, 'moreColumns': moreColumns, |
| 227 | 1127 'whose': whose, 'where': where, 'orderby': orderby} |
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1128 |
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1129 def resolve_many(self, arg, opts): |
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1130 opts.long = False |
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1131 clauses = self._ls_statement(arg, opts) |
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1132 if opts.all: |
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1133 clauses['owner'] = 'owner' |
| 189 | 1134 else: |
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1135 clauses['owner'] = 'user' |
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1136 statement = '''SELECT %(owner)s, object_type, object_name |
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1137 FROM %(whose)s_objects %(where)s |
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1138 ORDER BY object_type, object_name''' % clauses |
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1139 self.curs.execute(statement) |
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1140 return self.curs.fetchall() |
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1141 |
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1142 @options([make_option('-l', '--long', action='store_true', help='long descriptions'), |
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1143 make_option('-a', '--all', action='store_true', help="all schemas' objects"), |
| 227 | 1144 make_option('-t', '--timesort', action='store_true', help="Sort by last_ddl_time"), |
| 1145 make_option('-r', '--reverse', action='store_true', help="Reverse order while sorting"), | |
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1146 make_option('-x', '--exact', action='store_true', default=False, help="match name exactly")]) |
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1147 def do_ls(self, arg, opts): |
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1148 statement = '''SELECT object_type || '/' || %(objname)s AS name %(moreColumns)s |
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1149 FROM %(whose)s_objects %(where)s |
| 227 | 1150 ORDER BY %(orderby)s;''' % self._ls_statement(arg, opts) |
| 200 | 1151 self.do_select(self.parsed(statement, terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix)) |
| 189 | 1152 |
| 1153 @options([make_option('-i', '--ignore-case', dest='ignorecase', action='store_true', help='Case-insensitive search')]) | |
| 1154 def do_grep(self, arg, opts): | |
| 1155 """grep PATTERN TABLE - search for term in any of TABLE's fields""" | |
| 1156 | |
| 195 | 1157 targetnames = arg.split() |
| 189 | 1158 pattern = targetnames.pop(0) |
| 1159 targets = [] | |
| 1160 for target in targetnames: | |
| 1161 if '*' in target: | |
| 1162 self.curs.execute("SELECT owner, table_name FROM all_tables WHERE table_name LIKE '%s'%s" % | |
| 1163 (target.upper().replace('*','%')), arg.terminator) | |
| 1164 for row in self.curs: | |
| 1165 targets.append('%s.%s' % row) | |
| 1166 else: | |
| 1167 targets.append(target) | |
| 1168 for target in targets: | |
| 1169 print target | |
| 1170 target = target.rstrip(';') | |
| 1171 try: | |
| 1172 self.curs.execute('select * from %s where 1=0' % target) # just to fill description | |
| 1173 if opts.ignorecase: | |
| 1174 sql = ' or '.join("LOWER(%s) LIKE '%%%s%%'" % (d[0], pattern.lower()) for d in self.curs.description) | |
| 1175 else: | |
| 1176 sql = ' or '.join("%s LIKE '%%%s%%'" % (d[0], pattern) for d in self.curs.description) | |
| 200 | 1177 sql = self.parsed('SELECT * FROM %s WHERE %s;' % (target, sql), terminator=arg.parsed.terminator or ';', suffix=arg.parsed.suffix) |
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1178 self.do_select(sql) |
| 189 | 1179 except Exception, e: |
| 1180 print e | |
| 1181 import traceback | |
| 1182 traceback.print_exc(file=sys.stdout) | |
| 1183 | |
| 1184 def do_refs(self, arg): | |
| 211 | 1185 '''Lists referential integrity (foreign key constraints) on an object.''' |
| 1186 | |
| 1187 if not arg.strip(): | |
| 1188 print 'Usage: refs (table name)' | |
| 190 | 1189 result = [] |
| 205 | 1190 (type, owner, table_name) = self.resolve(arg.upper()) |
| 191 | 1191 self.curs.execute("""SELECT constraint_name, r_owner, r_constraint_name |
| 1192 FROM all_constraints | |
| 1193 WHERE constraint_type = 'R' | |
| 1194 AND owner = :owner | |
| 1195 AND table_name = :table_name""", | |
| 1196 {"owner": owner, "table_name": table_name}) | |
| 1197 for (constraint_name, remote_owner, remote_constraint_name) in self.curs.fetchall(): | |
| 1198 result.append('%s on %s.%s:' % (constraint_name, owner, table_name)) | |
| 1199 self.curs.execute("SELECT column_name FROM all_cons_columns WHERE owner = :owner AND constraint_name = :constraint_name ORDER BY position", | |
| 1200 {'constraint_name': constraint_name, 'owner': owner}) | |
| 1201 result.append(" (%s)" % (",".join(col[0] for col in self.curs.fetchall()))) | |
| 1202 self.curs.execute("SELECT table_name FROM all_constraints WHERE owner = :remote_owner AND constraint_name = :remote_constraint_name", | |
| 1203 {'remote_owner': remote_owner, 'remote_constraint_name': remote_constraint_name}) | |
| 1204 remote_table_name = self.curs.fetchone()[0] | |
| 1205 result.append("must be in %s:" % (remote_table_name)) | |
| 1206 self.curs.execute("SELECT column_name FROM all_cons_columns WHERE owner = :remote_owner AND constraint_name = :remote_constraint_name ORDER BY position", | |
| 1207 {'remote_constraint_name': remote_constraint_name, 'remote_owner': remote_owner}) | |
| 1208 result.append(' (%s)\n' % (",".join(col[0] for col in self.curs.fetchall()))) | |
| 1209 remote_table_name = table_name | |
| 1210 remote_owner = owner | |
| 1211 self.curs.execute("""SELECT owner, constraint_name, table_name, r_constraint_name | |
| 1212 FROM all_constraints | |
| 1213 WHERE (r_owner, r_constraint_name) IN | |
| 1214 ( SELECT owner, constraint_name | |
| 1215 FROM all_constraints | |
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1216 WHERE table_name = :remote_table_name |
| 191 | 1217 AND owner = :remote_owner )""", |
| 1218 {'remote_table_name': remote_table_name, 'remote_owner': remote_owner}) | |
| 1219 for (owner, constraint_name, table_name, remote_constraint_name) in self.curs.fetchall(): | |
| 1220 result.append('%s on %s.%s:' % (constraint_name, owner, table_name)) | |
| 1221 self.curs.execute("SELECT column_name FROM all_cons_columns WHERE owner = :owner AND constraint_name = :constraint_name ORDER BY position", | |
| 1222 {'constraint_name': constraint_name, 'owner': owner}) | |
| 1223 result.append(" (%s)" % (",".join(col[0] for col in self.curs.fetchall()))) | |
| 1224 self.curs.execute("SELECT table_name FROM all_constraints WHERE owner = :remote_owner AND constraint_name = :remote_constraint_name", | |
| 1225 {'remote_owner': remote_owner, 'remote_constraint_name': remote_constraint_name}) | |
| 1226 remote_table_name = self.curs.fetchone()[0] | |
| 1227 result.append("must be in %s:" % (remote_table_name)) | |
| 1228 self.curs.execute("SELECT column_name FROM all_cons_columns WHERE owner = :remote_owner AND constraint_name = :remote_constraint_name ORDER BY position", | |
| 1229 {'remote_constraint_name': remote_constraint_name, 'remote_owner': remote_owner}) | |
| 1230 result.append(' (%s)\n' % (",".join(col[0] for col in self.curs.fetchall()))) | |
| 1231 self.stdout.write('\n'.join(result) + "\n") | |
| 190 | 1232 |
| 189 | 1233 def _test(): |
| 1234 import doctest | |
| 1235 doctest.testmod() | |
| 1236 | |
| 1237 if __name__ == "__main__": | |
| 1238 "Silent return implies that all unit tests succeeded. Use -v to see details." | |
| 1239 _test() | |
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1240 if __name__ == "__main__": |
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1241 "Silent return implies that all unit tests succeeded. Use -v to see details." |
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1242 _test() |