Mercurial > sqlpython
annotate sqlpyPlus.py @ 122:61e2a824b66b
wow, assignment from function call working?
| author | catherine@Elli.myhome.westell.com |
|---|---|
| date | Wed, 30 Jul 2008 10:35:16 -0400 |
| parents | 3dd852ab45c0 |
| children | 898ed97bec38 |
| rev | line source |
|---|---|
| 0 | 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 - Query result stored in special bind variable ":_" if one row, one item | |
| 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 | |
| 80 | 15 |
| 0 | 16 Use 'help' within sqlpython for details. |
| 17 | |
| 18 Set bind variables the hard (SQL*Plus) way | |
| 19 exec :b = 3 | |
| 20 or with a python-like shorthand | |
| 21 :b = 3 | |
| 22 | |
| 23 - catherinedevlin.blogspot.com May 31, 2006 | |
| 24 """ | |
| 25 # note in cmd.cmd about supporting emacs commands? | |
| 26 | |
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27 descQueries = { |
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28 'TABLE': (""" |
| 80 | 29 atc.column_name, |
| 30 CASE atc.nullable WHEN 'Y' THEN 'NULL' ELSE 'NOT NULL' END "Null?", | |
| 31 atc.data_type || | |
| 32 CASE atc.data_type WHEN 'DATE' THEN '' | |
| 33 ELSE '(' || | |
| 34 CASE atc.data_type WHEN 'NUMBER' THEN TO_CHAR(atc.data_precision) || | |
| 35 CASE atc.data_scale WHEN 0 THEN '' | |
| 36 ELSE ',' || TO_CHAR(atc.data_scale) END | |
| 37 ELSE TO_CHAR(atc.data_length) END | |
| 38 END || | |
| 39 CASE atc.data_type WHEN 'DATE' THEN '' ELSE ')' END | |
| 40 data_type | |
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41 FROM all_tab_columns atc |
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42 WHERE atc.table_name = :object_name |
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43 AND atc.owner = :owner |
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44 ORDER BY atc.column_id;""",), |
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45 'PROCEDURE': (""" |
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46 NVL(argument_name, 'Return Value') argument_name, |
| 80 | 47 data_type, |
| 48 in_out, | |
| 49 default_value | |
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50 FROM all_arguments |
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51 WHERE object_name = :object_name |
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52 AND owner = :owner |
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53 AND package_name IS NULL |
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54 ORDER BY sequence;""",), |
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55 'PackageObjects':(""" |
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56 SELECT DISTINCT object_name |
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57 FROM all_arguments |
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58 WHERE package_name = :package_name |
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59 AND owner = :owner""",), |
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60 'PackageObjArgs':(""" |
| 80 | 61 object_name, |
| 62 argument_name, | |
| 63 data_type, | |
| 64 in_out, | |
| 65 default_value | |
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66 FROM all_arguments |
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67 WHERE package_name = :package_name |
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68 AND object_name = :object_name |
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69 AND owner = :owner |
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70 AND argument_name IS NOT NULL |
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71 ORDER BY sequence""",), |
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72 'TRIGGER':(""" |
| 80 | 73 description |
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74 FROM all_triggers |
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75 WHERE owner = :owner |
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76 AND trigger_name = :object_name |
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77 """, |
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78 """ |
| 80 | 79 table_owner, |
| 80 base_object_type, | |
| 81 table_name, | |
| 82 column_name, | |
| 83 when_clause, | |
| 84 status, | |
| 85 action_type, | |
| 86 crossedition | |
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87 FROM all_triggers |
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88 WHERE owner = :owner |
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89 AND trigger_name = :object_name |
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90 \\t |
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91 """, |
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92 ), |
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93 'INDEX':(""" |
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94 index_type, |
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95 table_owner, |
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96 table_name, |
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97 table_type, |
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98 uniqueness, |
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99 compression, |
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100 partitioned, |
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101 temporary, |
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102 generated, |
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103 secondary, |
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104 dropped, |
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105 visibility |
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106 FROM all_indexes |
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107 WHERE owner = :owner |
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108 AND index_name = :object_name |
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109 \\t |
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110 """,) |
| 80 | 111 } |
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112 descQueries['VIEW'] = descQueries['TABLE'] |
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113 descQueries['FUNCTION'] = descQueries['PROCEDURE'] |
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114 |
| 0 | 115 queries = { |
| 116 'resolve': """ | |
| 117 SELECT object_type, object_name, owner FROM ( | |
| 80 | 118 SELECT object_type, object_name, user owner, 1 priority |
| 119 FROM user_objects | |
| 120 WHERE object_name = :objName | |
| 121 UNION ALL | |
| 122 SELECT ao.object_type, ao.object_name, ao.owner, 2 priority | |
| 123 FROM all_objects ao | |
| 124 JOIN user_synonyms us ON (us.table_owner = ao.owner AND us.table_name = ao.object_name) | |
| 125 WHERE us.synonym_name = :objName | |
| 126 AND ao.object_type != 'SYNONYM' | |
| 127 UNION ALL | |
| 128 SELECT ao.object_type, ao.object_name, ao.owner, 3 priority | |
| 129 FROM all_objects ao | |
| 130 JOIN all_synonyms asyn ON (asyn.table_owner = ao.owner AND asyn.table_name = ao.object_name) | |
| 131 WHERE asyn.synonym_name = :objName | |
| 132 AND ao.object_type != 'SYNONYM' | |
| 133 AND asyn.owner = 'PUBLIC' | |
| 134 UNION ALL | |
| 135 SELECT 'DIRECTORY' object_type, dir.directory_name, dir.owner, 6 priority | |
| 136 FROM all_directories dir | |
| 137 WHERE dir.directory_name = :objName | |
| 138 UNION ALL | |
| 139 SELECT 'DATABASE LINK' object_type, db_link, owner, 7 priority | |
| 140 FROM all_db_links dbl | |
| 141 WHERE dbl.db_link = :objName | |
| 0 | 142 ) ORDER BY priority ASC""", |
| 143 'tabComments': """ | |
| 144 SELECT comments | |
| 145 FROM all_tab_comments | |
| 146 WHERE owner = :owner | |
| 147 AND table_name = :table_name""", | |
| 148 'colComments': """ | |
| 149 atc.column_name, | |
| 80 | 150 acc.comments |
| 0 | 151 FROM all_tab_columns atc |
| 152 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
| 153 WHERE atc.table_name = :object_name | |
| 154 AND atc.owner = :owner | |
| 155 ORDER BY atc.column_id;""", | |
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156 #thanks to Senora.pm for "refs" |
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157 'refs': """ |
| 80 | 158 NULL referenced_by, |
| 159 c2.table_name references, | |
| 160 c1.constraint_name constraint | |
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161 FROM |
| 80 | 162 user_constraints c1, |
| 163 user_constraints c2 | |
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164 WHERE |
| 80 | 165 c1.table_name = :object_name |
| 166 and c1.constraint_type ='R' | |
| 167 and c1.r_constraint_name = c2.constraint_name | |
| 168 and c1.r_owner = c2.owner | |
| 169 and c1.owner = :owner | |
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170 UNION |
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171 SELECT c1.table_name referenced_by, |
| 80 | 172 NULL references, |
| 173 c1.constraint_name constraint | |
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174 FROM |
| 80 | 175 user_constraints c1, |
| 176 user_constraints c2 | |
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177 WHERE |
| 80 | 178 c2.table_name = :object_name |
| 179 and c1.constraint_type ='R' | |
| 180 and c1.r_constraint_name = c2.constraint_name | |
| 181 and c1.r_owner = c2.owner | |
| 182 and c1.owner = :owner | |
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183 """ |
| 0 | 184 } |
| 185 | |
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186 import sys, os, re, sqlpython, cx_Oracle, pyparsing |
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187 from cmd2 import Cmd, make_option, options, Statekeeper |
| 0 | 188 |
| 189 if float(sys.version[:3]) < 2.3: | |
| 190 def enumerate(lst): | |
| 191 return zip(range(len(lst)), lst) | |
| 80 | 192 |
| 0 | 193 class SoftwareSearcher(object): |
| 194 def __init__(self, softwareList, purpose): | |
| 195 self.softwareList = softwareList | |
| 196 self.purpose = purpose | |
| 197 self.software = None | |
| 198 def invoke(self, *args): | |
| 199 if not self.software: | |
| 200 (self.software, self.invokeString) = self.find() | |
| 201 argTuple = tuple([self.software] + list(args)) | |
| 202 os.system(self.invokeString % argTuple) | |
| 203 def find(self): | |
| 204 if self.purpose == 'text editor': | |
| 205 software = os.environ.get('EDITOR') | |
| 206 if software: | |
| 207 return (software, '%s %s') | |
| 208 for (n, (software, invokeString)) in enumerate(self.softwareList): | |
| 209 if os.path.exists(software): | |
| 210 if n > (len(self.softwareList) * 0.7): | |
| 211 print """ | |
| 80 | 212 |
| 213 Using %s. Note that there are better options available for %s, | |
| 214 but %s couldn't find a better one in your PATH. | |
| 215 Feel free to open up %s | |
| 216 and customize it to find your favorite %s program. | |
| 217 | |
| 218 """ % (software, self.purpose, __file__, __file__, self.purpose) | |
| 0 | 219 return (software, invokeString) |
| 220 stem = os.path.split(software)[1] | |
| 221 for p in os.environ['PATH'].split(os.pathsep): | |
| 222 if os.path.exists(os.sep.join([p, stem])): | |
| 223 return (stem, invokeString) | |
| 224 raise (OSError, """Could not find any %s programs. You will need to install one, | |
| 80 | 225 or customize %s to make it aware of yours. |
| 226 Looked for these programs: | |
| 227 %s""" % (self.purpose, __file__, "\n".join([s[0] for s in self.softwareList]))) | |
| 0 | 228 #v2.4: %s""" % (self.purpose, __file__, "\n".join(s[0] for s in self.softwareList))) |
| 229 | |
| 230 softwareLists = { | |
| 231 'diff/merge': [ | |
| 80 | 232 ('/usr/bin/meld',"%s %s %s"), |
| 233 ('/usr/bin/kdiff3',"%s %s %s"), | |
| 234 (r'C:\Program Files\Araxis\Araxis Merge v6.5\Merge.exe','"%s" %s %s'), | |
| 235 (r'C:\Program Files\TortoiseSVN\bin\TortoiseMerge.exe', '"%s" /base:"%s" /mine:"%s"'), | |
| 236 ('FileMerge','%s %s %s'), | |
| 237 ('kompare','%s %s %s'), | |
| 238 ('WinMerge','%s %s %s'), | |
| 239 ('xxdiff','%s %s %s'), | |
| 240 ('fldiff','%s %s %s'), | |
| 241 ('gtkdiff','%s %s %s'), | |
| 242 ('tkdiff','%s %s %s'), | |
| 243 ('gvimdiff','%s %s %s'), | |
| 244 ('diff',"%s %s %s"), | |
| 245 (r'c:\windows\system32\comp.exe',"%s %s %s")], | |
| 246 'text editor': [ | |
| 247 ('gedit', '%s %s'), | |
| 248 ('textpad', '%s %s'), | |
| 249 ('notepad.exe', '%s %s'), | |
| 250 ('pico', '%s %s'), | |
| 251 ('emacs', '%s %s'), | |
| 252 ('vim', '%s %s'), | |
| 253 ('vi', '%s %s'), | |
| 254 ('ed', '%s %s'), | |
| 255 ('edlin', '%s %s') | |
| 256 ] | |
| 0 | 257 } |
| 258 | |
| 259 diffMergeSearcher = SoftwareSearcher(softwareLists['diff/merge'],'diff/merge') | |
| 260 editSearcher = SoftwareSearcher(softwareLists['text editor'], 'text editor') | |
| 261 editor = os.environ.get('EDITOR') | |
| 262 if editor: | |
| 263 editSearcher.find = lambda: (editor, "%s %s") | |
| 264 | |
| 265 class CaselessDict(dict): | |
| 266 """dict with case-insensitive keys. | |
| 267 | |
| 268 Posted to ASPN Python Cookbook by Jeff Donner - http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66315""" | |
| 269 def __init__(self, other=None): | |
| 270 if other: | |
| 271 # Doesn't do keyword args | |
| 272 if isinstance(other, dict): | |
| 273 for k,v in other.items(): | |
| 274 dict.__setitem__(self, k.lower(), v) | |
| 275 else: | |
| 276 for k,v in other: | |
| 277 dict.__setitem__(self, k.lower(), v) | |
| 278 def __getitem__(self, key): | |
| 279 return dict.__getitem__(self, key.lower()) | |
| 280 def __setitem__(self, key, value): | |
| 281 dict.__setitem__(self, key.lower(), value) | |
| 282 def __contains__(self, key): | |
| 283 return dict.__contains__(self, key.lower()) | |
| 284 def has_key(self, key): | |
| 285 return dict.has_key(self, key.lower()) | |
| 286 def get(self, key, def_val=None): | |
| 287 return dict.get(self, key.lower(), def_val) | |
| 288 def setdefault(self, key, def_val=None): | |
| 289 return dict.setdefault(self, key.lower(), def_val) | |
| 290 def update(self, other): | |
| 291 for k,v in other.items(): | |
| 292 dict.__setitem__(self, k.lower(), v) | |
| 293 def fromkeys(self, iterable, value=None): | |
| 294 d = CaselessDict() | |
| 295 for k in iterable: | |
| 296 dict.__setitem__(d, k.lower(), value) | |
| 297 return d | |
| 298 def pop(self, key, def_val=None): | |
| 299 return dict.pop(self, key.lower(), def_val) | |
| 300 | |
| 301 class Parser(object): | |
| 302 comment_def = "--" + pyparsing.ZeroOrMore(pyparsing.CharsNotIn("\n")) | |
| 303 def __init__(self, scanner, retainSeparator=True): | |
| 304 self.scanner = scanner | |
| 305 self.scanner.ignore(pyparsing.sglQuotedString) | |
| 306 self.scanner.ignore(pyparsing.dblQuotedString) | |
| 307 self.scanner.ignore(self.comment_def) | |
| 308 self.scanner.ignore(pyparsing.cStyleComment) | |
| 309 self.retainSeparator = retainSeparator | |
| 310 def separate(self, txt): | |
| 311 itms = [] | |
| 312 for (sqlcommand, start, end) in self.scanner.scanString(txt): | |
| 313 if sqlcommand: | |
| 314 if type(sqlcommand[0]) == pyparsing.ParseResults: | |
| 315 if self.retainSeparator: | |
| 316 itms.append("".join(sqlcommand[0])) | |
| 317 else: | |
| 318 itms.append(sqlcommand[0][0]) | |
| 319 else: | |
| 320 if sqlcommand[0]: | |
| 321 itms.append(sqlcommand[0]) | |
| 322 return itms | |
| 323 | |
| 324 bindScanner = Parser(pyparsing.Literal(':') + pyparsing.Word( pyparsing.alphanums + "_$#" )) | |
| 325 | |
| 326 def findBinds(target, existingBinds, givenBindVars = {}): | |
| 327 result = givenBindVars | |
| 328 for finding, startat, endat in bindScanner.scanner.scanString(target): | |
| 329 varname = finding[1] | |
| 330 try: | |
| 331 result[varname] = existingBinds[varname] | |
| 332 except KeyError: | |
| 333 if not givenBindVars.has_key(varname): | |
| 334 print 'Bind variable %s not defined.' % (varname) | |
| 335 return result | |
| 80 | 336 |
| 0 | 337 class sqlpyPlus(sqlpython.sqlpython): |
|
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338 defaultExtension = 'sql' |
| 92 | 339 sqlpython.sqlpython.shortcuts.update({':': 'setbind', '\\': 'psql', '@': '_load'}) |
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340 multilineCommands = '''select insert update delete tselect |
| 80 | 341 create drop alter'''.split() |
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342 defaultFileName = 'afiedt.buf' |
| 0 | 343 def __init__(self): |
| 344 sqlpython.sqlpython.__init__(self) | |
| 345 self.binds = CaselessDict() | |
| 346 self.sqlBuffer = [] | |
| 347 self.settable = ['maxtselctrows', 'maxfetch', 'autobind', 'failover', 'timeout'] # settables must be lowercase | |
| 348 self.stdoutBeforeSpool = sys.stdout | |
| 349 self.spoolFile = None | |
| 350 self.autobind = False | |
| 351 self.failover = False | |
| 352 def default(self, arg, do_everywhere=False): | |
| 353 sqlpython.sqlpython.default(self, arg, do_everywhere) | |
| 354 self.sqlBuffer.append(self.query) | |
| 355 | |
| 356 # overrides cmd's parseline | |
| 357 def parseline(self, line): | |
| 358 """Parse the line into a command name and a string containing | |
| 359 the arguments. Returns a tuple containing (command, args, line). | |
|
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360 'command' and 'args' may be None if the line couldn't be parsed. |
| 0 | 361 Overrides cmd.cmd.parseline to accept variety of shortcuts..""" |
| 80 | 362 |
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363 cmd, arg, line = sqlpython.sqlpython.parseline(self, line) |
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364 if cmd in ('select', 'sleect', 'insert', 'update', 'delete', 'describe', |
| 80 | 365 'desc', 'comments', 'pull', 'refs', 'desc', 'triggers', 'find') \ |
| 366 and not hasattr(self, 'curs'): | |
| 0 | 367 print 'Not connected.' |
| 368 return '', '', '' | |
| 369 return cmd, arg, line | |
| 92 | 370 |
| 371 do__load = Cmd.do_load | |
| 80 | 372 |
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373 def onecmd_plus_hooks(self, line): |
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374 line = self.precmd(line) |
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375 stop = self.onecmd(line) |
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376 stop = self.postcmd(stop, line) |
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377 |
| 0 | 378 def do_shortcuts(self,arg): |
| 379 """Lists available first-character shortcuts | |
| 380 (i.e. '!dir' is equivalent to 'shell dir')""" | |
| 381 for (scchar, scto) in self.shortcuts.items(): | |
| 58 | 382 print '%s: %s' % (scchar, scto) |
| 0 | 383 |
| 384 def colnames(self): | |
| 385 return [d[0] for d in curs.description] | |
| 386 | |
| 387 def sql_format_itm(self, itm, needsquotes): | |
| 388 if itm is None: | |
| 389 return 'NULL' | |
| 390 if needsquotes: | |
| 391 return "'%s'" % str(itm) | |
| 392 return str(itm) | |
| 105 | 393 def str_or_empty(self, itm): |
| 394 if itm is None: | |
| 395 return '' | |
| 396 return str(itm) | |
| 0 | 397 def output_as_insert_statements(self): |
| 398 usequotes = [d[1] != cx_Oracle.NUMBER for d in self.curs.description] | |
| 399 def formatRow(row): | |
| 400 return ','.join(self.sql_format_itm(itm, useq) | |
| 401 for (itm, useq) in zip(row, usequotes)) | |
| 402 result = ['INSERT INTO %s (%s) VALUES (%s);' % | |
| 403 (self.tblname, ','.join(self.colnames), formatRow(row)) | |
| 404 for row in self.rows] | |
| 405 return '\n'.join(result) | |
| 80 | 406 |
| 0 | 407 def output_row_as_xml(self, row): |
| 408 result = [' <%s>\n %s\n </%s>' % | |
| 105 | 409 (colname.lower(), self.str_or_empty(itm), colname.lower()) |
| 0 | 410 for (itm, colname) in zip(row, self.colnames)] |
| 411 return '\n'.join(result) | |
| 412 def output_as_xml(self): | |
| 413 result = ['<%s>\n%s\n</%s>' % | |
| 414 (self.tblname, self.output_row_as_xml(row), self.tblname) | |
| 415 for row in self.rows] | |
| 416 return '\n'.join(result) | |
|
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417 |
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418 html_template = """<html> |
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419 <head> |
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420 <title py:content="tblname">Table Name</title> |
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421 </head> |
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422 <body> |
|
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423 <table py:attr="{'id':tblname}"> |
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424 <tr> |
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425 <th py:for="colname in colnames"> |
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426 <span py:replace="colname">Column Name</span> |
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427 </th> |
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428 </tr> |
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429 <tr py:for="row in rows"> |
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430 <td py:for="itm in row"> |
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431 <span py:replace="str_or_empty(itm)">Value</span> |
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432 </td> |
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433 </tr> |
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434 </table> |
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435 </body> |
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436 </html>""" |
| 0 | 437 def output_as_html_table(self): |
| 438 result = ''.join('<th>%s</th>' % c for c in self.colnames) | |
| 439 result = [' <tr>\n %s\n </tr>' % result] | |
| 440 for row in self.rows: | |
| 441 result.append(' <tr>\n %s\n </tr>' % | |
| 442 (''.join('<td>%s</td>' % | |
| 105 | 443 self.str_or_empty(itm) |
| 80 | 444 for itm in row))) |
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445 result = '''<table id="%s"> |
| 0 | 446 %s |
| 447 </table>''' % (self.tblname, '\n'.join(result)) | |
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448 return result |
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449 |
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450 #TODO: use serious templating to make these user-tweakable |
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451 |
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452 def output_as_markup(self, genshi_template): |
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453 return None |
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454 #self.tblname, self.colnames, self.rows |
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455 |
| 0 | 456 def output_as_list(self, align): |
| 457 result = [] | |
| 458 colnamelen = max(len(colname) for colname in self.colnames) + 1 | |
| 459 for (idx, row) in enumerate(self.rows): | |
| 460 result.append('\n**** Row: %d' % (idx+1)) | |
| 461 for (itm, colname) in zip(row, self.colnames): | |
| 462 if align: | |
| 463 colname = colname.ljust(colnamelen) | |
| 464 result.append('%s: %s' % (colname, itm)) | |
| 465 return '\n'.join(result) | |
| 466 | |
| 467 tableNameFinder = re.compile(r'from\s+([\w$#_"]+)', re.IGNORECASE | re.MULTILINE | re.DOTALL) | |
| 468 def output(self, outformat, rowlimit): | |
| 469 self.tblname = self.tableNameFinder.search(self.curs.statement).group(1) | |
| 470 self.colnames = [d[0] for d in self.curs.description] | |
| 471 if outformat == '\\i': | |
| 472 result = self.output_as_insert_statements() | |
| 473 elif outformat == '\\x': | |
| 474 result = self.output_as_xml() | |
| 475 elif outformat == '\\g': | |
| 476 result = self.output_as_list(align=False) | |
| 477 elif outformat == '\\G': | |
| 478 result = self.output_as_list(align=True) | |
| 479 elif outformat in ('\\s', '\\S', '\\c', '\\C'): #csv | |
| 480 result = [] | |
| 481 if outformat in ('\\s', '\\c'): | |
| 482 result.append(','.join('"%s"' % colname for colname in self.colnames)) | |
| 483 for row in self.rows: | |
| 106 | 484 result.append(','.join('"%s"' % self.str_or_empty(itm) for itm in row)) |
| 0 | 485 result = '\n'.join(result) |
| 486 elif outformat == '\\h': | |
| 487 result = self.output_as_html_table() | |
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488 elif outformat == '\\t': |
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489 rows = [self.colnames] |
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490 rows.extend(list(self.rows)) |
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491 transpr = [[rows[y][x] for y in range(len(rows))]for x in range(len(rows[0]))] # matrix transpose |
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492 newdesc = [['ROW N.'+str(y),10] for y in range(len(rows))] |
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493 for x in range(len(self.curs.description)): |
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494 if str(self.curs.description[x][1]) == "<type 'cx_Oracle.BINARY'>": # handles RAW columns |
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495 rname = transpr[x][0] |
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496 transpr[x] = map(binascii.b2a_hex, transpr[x]) |
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497 transpr[x][0] = rname |
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498 newdesc[0][0] = 'COLUMN NAME' |
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499 result = '\n' + sqlpython.pmatrix(transpr,newdesc) |
| 0 | 500 else: |
| 501 result = sqlpython.pmatrix(self.rows, self.curs.description, self.maxfetch) | |
| 502 return result | |
| 80 | 503 |
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504 legalOracle = re.compile('[a-zA-Z_$#]') |
| 80 | 505 |
|
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506 rowlimitPattern = pyparsing.Word(pyparsing.nums)('rowlimit') |
| 119 | 507 terminatorPattern = (pyparsing.oneOf('; \\s \\S \\c \\C \\t \\x \\h') |
| 508 ^ pyparsing.Literal('\n/\n')) ('terminator') + \ | |
| 117 | 509 pyparsing.Optional(rowlimitPattern) |
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510 def do_select(self, arg, bindVarsIn=None, override_terminator=None): |
| 0 | 511 """Fetch rows from a table. |
| 80 | 512 |
| 0 | 513 Limit the number of rows retrieved by appending |
| 514 an integer after the terminator | |
| 515 (example: SELECT * FROM mytable;10 ) | |
| 80 | 516 |
| 0 | 517 Output may be formatted by choosing an alternative terminator |
| 518 ("help terminators" for details) | |
| 519 """ | |
| 520 bindVarsIn = bindVarsIn or {} | |
|
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521 statement = self.parsed('select ' + arg) |
| 117 | 522 self.query = statement.unterminated |
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523 if override_terminator: |
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524 statement['terminator'] = override_terminator |
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525 statement['rowlimit'] = int(statement.rowlimit or 0) |
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526 try: |
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527 self.varsUsed = findBinds(self.query, self.binds, bindVarsIn) |
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528 self.curs.execute(self.query, self.varsUsed) |
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529 self.rows = self.curs.fetchmany(min(self.maxfetch, (statement.rowlimit or self.maxfetch))) |
|
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530 self.desc = self.curs.description |
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531 self.rc = self.curs.rowcount |
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532 if self.rc > 0: |
| 117 | 533 self.stdout.write('\n%s\n' % (self.output(statement.terminator, statement.rowlimit))) |
|
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534 if self.rc == 0: |
|
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535 print '\nNo rows Selected.\n' |
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536 elif self.rc == 1: |
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537 print '\n1 row selected.\n' |
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538 if self.autobind: |
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539 self.binds.update(dict(zip([''.join(l for l in d[0] if l.isalnum()) for d in self.desc], self.rows[0]))) |
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540 if len(self.desc) == 1: |
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541 self.binds['_'] = self.rows[0][0] |
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542 elif self.rc < self.maxfetch: |
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543 print '\n%d rows selected.\n' % self.rc |
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544 else: |
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545 print '\nSelected Max Num rows (%d)' % self.rc |
|
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546 except Exception, e: |
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547 print e |
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548 import traceback |
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549 traceback.print_exc(file=sys.stdout) |
| 0 | 550 self.sqlBuffer.append(self.query) |
| 551 | |
| 82 | 552 @options([make_option('-f', '--full', action='store_true', help='get dependent objects as well')]) |
| 81 | 553 def do_pull(self, arg, opts): |
| 554 """Displays source code.""" | |
| 80 | 555 |
|
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556 arg = self.parsed(arg).unterminated |
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557 object_type, owner, object_name = self.resolve(arg.upper()) |
|
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558 if not object_type: |
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559 return |
|
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560 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
| 63 | 561 self.stdout.write(str(self.curs.callfunc('DBMS_METADATA.GET_DDL', cx_Oracle.CLOB, |
| 80 | 562 [object_type, object_name, owner]))) |
| 81 | 563 if opts.full: |
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564 for dependent_type in ('OBJECT_GRANT', 'CONSTRAINT', 'TRIGGER'): |
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565 try: |
| 63 | 566 self.stdout.write(str(self.curs.callfunc('DBMS_METADATA.GET_DEPENDENT_DDL', cx_Oracle.CLOB, |
| 80 | 567 [dependent_type, object_name, owner]))) |
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568 except cx_Oracle.DatabaseError: |
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569 pass |
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570 |
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571 @options([make_option('-i', '--insensitive', action='store_true', help='case-insensitive search'), |
|
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572 make_option('-c', '--col', action='store_true', help='find column'), |
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573 make_option('-t', '--table', action='store_true', help='find table')]) |
| 81 | 574 def do_find(self, arg, opts): |
|
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575 """Finds argument in source code or (with -c) in column definitions.""" |
| 80 | 576 |
|
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577 arg = self.parsed(arg).unterminated.upper() |
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578 if opts.col: |
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579 self.do_select("owner, table_name, column_name from all_tab_columns where column_name like '%%%s%%'" % (arg)) |
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580 elif opts.table: |
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581 self.do_select("owner, table_name from all_tables where table_name like '%%%s%%'" % (arg)) |
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582 else: |
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583 if opts.insensitive: |
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584 searchfor = "LOWER(text)" |
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585 arg = arg.lower() |
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586 else: |
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587 searchfor = "text" |
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588 self.do_select("* from all_source where %s like '%%%s%%'" % (searchfor, arg)) |
| 80 | 589 |
| 83 | 590 @options([make_option('-a','--all',action='store_true', |
| 591 help='Describe all objects (not just my own)')]) | |
| 592 def do_describe(self, arg, opts): | |
| 0 | 593 "emulates SQL*Plus's DESCRIBE" |
|
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594 |
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595 arg = self.parsed(arg).unterminated.upper() |
| 83 | 596 if opts.all: |
| 597 which_view = (', owner', 'all') | |
| 598 else: | |
| 599 which_view = ('', 'user') | |
| 80 | 600 |
| 77 | 601 if not arg: |
| 83 | 602 self.do_select("""object_name, object_type%s FROM %s_objects WHERE object_type IN ('TABLE','VIEW','INDEX') ORDER BY object_name""" % which_view) |
| 77 | 603 return |
|
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604 object_type, owner, object_name = self.resolve(arg) |
| 77 | 605 if not object_type: |
| 87 | 606 self.do_select("""object_name, object_type%s FROM %s_objects |
| 607 WHERE object_type IN ('TABLE','VIEW','INDEX') | |
| 608 AND object_name LIKE '%%%s%%' | |
| 609 ORDER BY object_name""" % | |
| 610 (which_view[0], which_view[1], arg.upper()) ) | |
| 77 | 611 return |
|
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612 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
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613 descQ = descQueries.get(object_type) |
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614 if descQ: |
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615 for q in descQ: |
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616 self.do_select(q,bindVarsIn={'object_name':object_name, 'owner':owner}) |
| 0 | 617 elif object_type == 'PACKAGE': |
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618 self.curs.execute(descQueries['PackageObjects'][0], {'package_name':object_name, 'owner':owner}) |
|
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619 packageContents = self.curs.fetchall() |
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620 for (packageObj_name,) in packageContents: |
|
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621 self.stdout.write(packageObj_name + '\n') |
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622 self.do_select(descQueries['PackageObjArgs'][0],bindVarsIn={'package_name':object_name, 'owner':owner, 'object_name':packageObj_name}) |
| 0 | 623 do_desc = do_describe |
| 80 | 624 |
| 625 def do_deps(self, arg): | |
|
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626 arg = self.parsed(arg).unterminated.upper() |
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627 object_type, owner, object_name = self.resolve(arg) |
| 80 | 628 if object_type == 'PACKAGE BODY': |
| 629 q = "and (type != 'PACKAGE BODY' or name != :object_name)'" | |
| 630 object_type = 'PACKAGE' | |
| 631 else: | |
| 632 q = "" | |
| 633 q = """ name, | |
| 634 type | |
| 635 from user_dependencies | |
| 636 where | |
| 637 referenced_name like :object_name | |
| 638 and referenced_type like :object_type | |
| 639 and referenced_owner like :owner | |
| 640 %s""" % (q) | |
| 641 self.do_select(q, {'object_name':object_name, 'object_type':object_type, 'owner':owner}) | |
| 642 | |
| 0 | 643 def do_comments(self, arg): |
| 644 'Prints comments on a table and its columns.' | |
|
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645 arg = self.parsed(arg).unterminated.upper() |
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646 object_type, owner, object_name = self.resolve(arg) |
| 0 | 647 if object_type: |
| 648 self.curs.execute(queries['tabComments'],{'table_name':object_name, 'owner':owner}) | |
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649 self.stdout.write("%s %s.%s: %s\n" % (object_type, owner, object_name, self.curs.fetchone()[0])) |
|
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650 self.do_select(queries['colComments'],bindVarsIn={'owner':owner, 'object_name': object_name}) |
| 0 | 651 |
| 652 def resolve(self, identifier): | |
| 653 """Checks (my objects).name, (my synonyms).name, (public synonyms).name | |
| 654 to resolve a database object's name. """ | |
| 655 parts = identifier.split('.') | |
| 656 try: | |
| 657 if len(parts) == 2: | |
| 658 owner, object_name = parts | |
| 659 self.curs.execute('SELECT object_type FROM all_objects WHERE owner = :owner AND object_name = :object_name', | |
| 660 {'owner': owner, 'object_name': object_name}) | |
| 661 object_type = self.curs.fetchone()[0] | |
| 662 elif len(parts) == 1: | |
| 663 object_name = parts[0] | |
| 664 self.curs.execute(queries['resolve'], {'objName':object_name}) | |
| 665 object_type, object_name, owner = self.curs.fetchone() | |
| 666 except TypeError: | |
| 667 print 'Could not resolve object %s.' % identifier | |
| 668 object_type, owner, object_name = '', '', '' | |
| 669 return object_type, owner, object_name | |
|
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670 #todo: resolve not finding cwm$ table |
| 0 | 671 |
|
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672 def do_resolve(self, arg): |
|
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673 self.stdout.write(self.resolve(arg)+'\n') |
| 80 | 674 |
| 0 | 675 def spoolstop(self): |
| 676 if self.spoolFile: | |
| 88 | 677 self.stdout = self.stdoutBeforeSpool |
| 0 | 678 print 'Finished spooling to ', self.spoolFile.name |
| 679 self.spoolFile.close() | |
| 680 self.spoolFile = None | |
| 80 | 681 |
| 0 | 682 def do_spool(self, arg): |
| 683 """spool [filename] - begins redirecting output to FILENAME.""" | |
| 684 self.spoolstop() | |
| 685 arg = arg.strip() | |
| 686 if not arg: | |
| 687 arg = 'output.lst' | |
| 688 if arg.lower() != 'off': | |
| 689 if '.' not in arg: | |
| 690 arg = '%s.lst' % arg | |
| 691 print 'Sending output to %s (until SPOOL OFF received)' % (arg) | |
| 692 self.spoolFile = open(arg, 'w') | |
| 88 | 693 self.stdout = self.spoolFile |
| 80 | 694 |
| 0 | 695 def do_write(self, args): |
| 88 | 696 print 'Use (query) > outfilename instead.' |
| 697 return | |
| 80 | 698 |
| 0 | 699 def do_compare(self, args): |
| 700 """COMPARE query1 TO query2 - uses external tool to display differences. | |
| 80 | 701 |
| 58 | 702 Sorting is recommended to avoid false hits. |
| 703 Will attempt to use a graphical diff/merge tool like kdiff3, meld, or Araxis Merge, | |
| 704 if they are installed.""" | |
| 0 | 705 fnames = [] |
| 706 args2 = args.split(' to ') | |
| 88 | 707 if len(args2) < 2: |
| 708 print self.do_compare.__doc__ | |
| 709 return | |
| 0 | 710 for n in range(len(args2)): |
| 711 query = args2[n] | |
| 712 fnames.append('compare%s.txt' % n) | |
|
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713 #TODO: update this terminator-stripping |
| 0 | 714 if query.rstrip()[-1] != self.terminator: |
| 715 query = '%s%s' % (query, self.terminator) | |
| 88 | 716 self.onecmd_plus_hooks('%s > %s' % (query, fnames[n])) |
| 0 | 717 diffMergeSearcher.invoke(fnames[0], fnames[1]) |
| 718 | |
| 719 bufferPosPattern = re.compile('\d+') | |
| 720 rangeIndicators = ('-',':') | |
|
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721 |
| 0 | 722 def do_psql(self, arg): |
| 723 '''Shortcut commands emulating psql's backslash commands. | |
| 80 | 724 |
| 0 | 725 \c connect |
| 726 \d desc | |
| 727 \e edit | |
| 728 \g run | |
| 729 \h help | |
| 92 | 730 \i load |
| 0 | 731 \o spool |
| 732 \p list | |
| 77 | 733 \q quit |
| 0 | 734 \w save |
| 61 | 735 \db _dir_tablespaces |
| 736 \dd comments | |
| 737 \dn _dir_schemas | |
| 738 \dt _dir_tables | |
| 739 \dv _dir_views | |
| 740 \di _dir_indexes | |
| 0 | 741 \? help psql''' |
| 742 commands = {} | |
| 743 for c in self.do_psql.__doc__.splitlines()[2:]: | |
| 744 (abbrev, command) = c.split(None, 1) | |
| 745 commands[abbrev[1:]] = command | |
| 746 words = arg.split(None,1) | |
| 80 | 747 try: |
| 748 abbrev = words[0] | |
| 749 except IndexError: | |
| 750 return | |
| 0 | 751 try: |
| 752 args = words[1] | |
| 753 except IndexError: | |
| 754 args = '' | |
| 755 try: | |
| 77 | 756 return self.onecmd('%s %s' % (commands[abbrev], args)) |
| 0 | 757 except KeyError: |
| 61 | 758 print 'psql command \%s not yet supported.' % abbrev |
| 77 | 759 |
| 83 | 760 @options([make_option('-a','--all',action='store_true', |
| 761 help='Describe all objects (not just my own)')]) | |
| 84 | 762 def do__dir_tables(self, arg, opts): |
| 83 | 763 if opts.all: |
| 764 which_view = (', owner', 'all') | |
| 765 else: | |
| 766 which_view = ('', 'user') | |
| 767 self.do_select("""table_name, 'TABLE' as type%s FROM %s_tables WHERE table_name LIKE '%%%s%%'""" % | |
| 768 (which_view[0], which_view[1], arg.upper())) | |
| 80 | 769 |
| 83 | 770 @options([make_option('-a','--all',action='store_true', |
| 771 help='Describe all objects (not just my own)')]) | |
| 84 | 772 def do__dir_views(self, arg, opts): |
| 83 | 773 if opts.all: |
| 774 which_view = (', owner', 'all') | |
| 775 else: | |
| 776 which_view = ('', 'user') | |
| 777 self.do_select("""view_name, 'VIEW' as type%s FROM %s_views WHERE view_name LIKE '%%%s%%'""" % | |
| 778 (which_view[0], which_view[1], arg.upper())) | |
| 61 | 779 |
| 83 | 780 @options([make_option('-a','--all',action='store_true', |
| 781 help='Describe all objects (not just my own)')]) | |
| 84 | 782 def do__dir_indexes(self, arg, opts): |
| 83 | 783 if opts.all: |
| 784 which_view = (', owner', 'all') | |
| 785 else: | |
| 786 which_view = ('', 'user') | |
| 787 self.do_select("""index_name, index_type%s FROM %s_indexes WHERE index_name LIKE '%%%s%%' OR table_name LIKE '%%%s%%'""" % | |
| 788 (which_view[0], which_view[1], arg.upper(), arg.upper())) | |
| 61 | 789 |
| 790 def do__dir_tablespaces(self, arg): | |
| 791 self.do_select("""tablespace_name, file_name from dba_data_files""") | |
| 792 | |
| 793 def do__dir_schemas(self, arg): | |
| 794 self.do_select("""owner, count(*) AS objects FROM all_objects GROUP BY owner ORDER BY owner""") | |
| 80 | 795 |
| 62 | 796 def do_head(self, arg): |
| 797 nrows = 10 | |
| 798 args = arg.split() | |
| 799 if len(args) > 1: | |
| 800 for a in args: | |
| 801 if a[0] == '-': | |
| 802 try: | |
| 803 nrows = int(a[1:]) | |
| 804 args.remove(a) | |
| 805 except: | |
| 806 pass | |
| 807 arg = ' '.join(args) | |
| 808 self.do_select('* from %s;%d' % (arg, nrows)) | |
| 80 | 809 |
| 0 | 810 def do_print(self, arg): |
| 811 'print VARNAME: Show current value of bind variable VARNAME.' | |
| 812 if arg: | |
| 813 if arg[0] == ':': | |
| 814 arg = arg[1:] | |
| 815 try: | |
| 95 | 816 self.stdout.write(str(self.binds[arg])+'\n') |
| 0 | 817 except KeyError: |
|
46
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diff
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|
818 self.stdout.write('No bind variable %s\n' % arg) |
| 0 | 819 else: |
| 820 for (var, val) in self.binds.items(): | |
| 821 print ':%s = %s' % (var, val) | |
| 80 | 822 |
|
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diff
changeset
|
823 assignmentScanner = Parser(pyparsing.Literal(':=') ^ '=') |
| 0 | 824 def do_setbind(self, arg): |
|
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|
825 arg = self.parsed(arg).unterminated |
|
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|
826 try: |
|
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|
827 assigner, startat, endat = self.assignmentScanner.scanner.scanString(arg).next() |
|
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|
828 except StopIteration: |
| 72 | 829 self.do_print(arg) |
| 118 | 830 return |
|
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|
831 var, val = arg[:startat].strip(), arg[endat:].strip() |
|
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|
832 if val[0] == val[-1] == "'" and len(val) > 1: |
|
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|
833 self.binds[var] = val[1:-1] |
|
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|
834 return |
|
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|
835 try: |
|
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|
836 self.binds[var] = int(val) |
|
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|
837 return |
|
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diff
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|
838 except ValueError: |
| 74 | 839 try: |
|
122
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diff
changeset
|
840 self.binds[var] = float(val) |
| 80 | 841 return |
| 74 | 842 except ValueError: |
| 843 try: | |
|
122
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|
844 statekeeper = Statekeeper(self, ('autobind',)) |
|
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diff
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|
845 self.autobind = True |
|
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diff
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|
846 self.do_select('%s AS %s FROM dual;' % (val, var)) |
|
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|
847 statekeeper.restore() |
| 80 | 848 return |
|
122
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diff
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|
849 except: |
|
61e2a824b66b
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diff
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|
850 pass |
| 80 | 851 |
|
122
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diff
changeset
|
852 print 'Could not parse' |
| 80 | 853 |
| 0 | 854 def do_exec(self, arg): |
| 855 if arg[0] == ':': | |
| 856 self.do_setbind(arg[1:]) | |
| 857 else: | |
| 119 | 858 arg = self.parsed(arg).statement |
| 859 varsUsed = findBinds(arg, self.binds, {}) | |
| 71 | 860 try: |
|
122
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diff
changeset
|
861 # save autobind to state |
|
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|
862 # select varname from ... |
|
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diff
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|
863 # restore state |
| 119 | 864 self.curs.execute('begin\n%s;end;' % arg, varsUsed) |
| 71 | 865 except Exception, e: |
| 866 print e | |
| 867 ''' | |
| 868 exec :x := 'box' | |
| 869 exec :y := sysdate | |
| 870 ''' | |
|
4
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parents:
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diff
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|
871 |
| 96 | 872 '''Works: |
| 873 exec myproc() | |
| 874 begin | |
| 875 myproc(); | |
| 876 end; | |
| 877 | |
| 878 Fails: | |
| 879 select n into :n from test; | |
| 880 :d := sysdate | |
| 881 :n := myfunc()''' | |
| 882 | |
| 883 | |
| 884 | |
| 70 | 885 def anon_plsql(self, line1): |
| 886 lines = [line1] | |
| 887 while True: | |
| 888 line = self.pseudo_raw_input(self.continuationPrompt) | |
| 889 if line.strip() == '/': | |
| 890 try: | |
| 891 self.curs.execute('\n'.join(lines)) | |
| 892 except Exception, e: | |
| 893 print e | |
| 894 return | |
| 895 lines.append(line) | |
| 80 | 896 |
| 70 | 897 def do_begin(self, arg): |
| 898 self.anon_plsql('begin ' + arg) | |
| 899 | |
| 900 def do_declare(self, arg): | |
| 901 self.anon_plsql('declare ' + arg) | |
| 80 | 902 |
| 87 | 903 #def do_create(self, arg): |
| 904 # self.anon_plsql('create ' + arg) | |
| 78 | 905 |
| 119 | 906 @options([make_option('-l', '--long', action='store_true', help='long descriptions'), |
| 907 make_option('-a', '--all', action='store_true', help="all schemas' objects")]) | |
| 81 | 908 def do_ls(self, arg, opts): |
| 78 | 909 where = '' |
| 910 if arg: | |
| 911 where = """\nWHERE object_type || '/' || object_name | |
| 80 | 912 LIKE '%%%s%%'""" % (arg.upper().replace('*','%')) |
| 78 | 913 else: |
| 914 where = '' | |
| 119 | 915 if opts.all: |
| 916 owner = 'owner' | |
| 917 whose = 'all' | |
| 918 else: | |
| 919 owner = "'' AS owner" | |
| 920 whose = 'user' | |
| 78 | 921 result = [] |
| 922 statement = '''SELECT object_type, object_name, | |
| 119 | 923 status, last_ddl_time, %s |
| 924 FROM %s_objects %s | |
| 925 ORDER BY object_type, object_name''' % (owner, whose, where) | |
| 78 | 926 self.curs.execute(statement) |
| 119 | 927 for (object_type, object_name, status, last_ddl_time, owner) in self.curs.fetchall(): |
| 928 if opts.all: | |
| 929 qualified_name = '%s.%s' % (owner, object_name) | |
| 930 else: | |
| 931 qualified_name = object_name | |
| 81 | 932 if opts.long: |
| 119 | 933 result.append('%s\t%s\t%s/%s' % (status, last_ddl_time, object_type, qualified_name)) |
| 78 | 934 else: |
| 119 | 935 result.append('%s/%s' % (object_type, qualified_name)) |
| 78 | 936 self.stdout.write('\n'.join(result) + '\n') |
| 80 | 937 |
|
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|
938 def do_cat(self, arg): |
|
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parents:
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|
939 targets = arg.split() |
|
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parents:
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diff
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|
940 for target in targets: |
|
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diff
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|
941 self.do_select('* from %s' % target) |
| 80 | 942 |
| 86 | 943 @options([make_option('-i', '--ignore-case', dest='ignorecase', action='store_true', help='Case-insensitive search')]) |
| 944 def do_grep(self, arg, opts): | |
| 945 """grep PATTERN TABLE - search for term in any of TABLE's fields""" | |
| 946 | |
| 947 targets = [] | |
| 948 for target in arg.split(): | |
| 949 if '*' in target: | |
| 950 self.curs.execute("SELECT owner, table_name FROM all_tables WHERE table_name LIKE '%s'" % | |
| 951 (target.upper().replace('*','%'))) | |
| 952 for row in self.curs: | |
| 953 targets.append('%s.%s' % row) | |
| 954 else: | |
| 955 targets.append(target) | |
|
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|
956 pattern = targets.pop(0) |
|
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|
957 for target in targets: |
| 86 | 958 print target |
|
10
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|
959 target = target.rstrip(';') |
|
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960 sql = [] |
|
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|
961 try: |
|
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|
962 self.curs.execute('select * from %s where 1=0' % target) |
| 86 | 963 if opts.ignorecase: |
| 964 sql = ' or '.join("LOWER(%s) LIKE '%%%s%%'" % (d[0], pattern.lower()) for d in self.curs.description) | |
| 965 else: | |
| 966 sql = ' or '.join("%s LIKE '%%%s%%'" % (d[0], pattern) for d in self.curs.description) | |
|
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967 sql = '* FROM %s WHERE %s' % (target, sql) |
|
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|
968 self.do_select(sql) |
|
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969 except Exception, e: |
|
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|
970 print e |
|
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|
971 import traceback |
|
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|
972 traceback.print_exc(file=sys.stdout) |
|
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|
973 |
|
10
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|
974 def do_refs(self, arg): |
|
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|
975 arg = self.parsed(arg).unterminated.upper() |
|
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976 object_type, owner, object_name = self.resolve(arg) |
|
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|
977 if object_type == 'TABLE': |
|
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|
978 self.do_select(queries['refs'],bindVarsIn={'object_name':object_name, 'owner':owner}) |
|
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|
979 |
| 0 | 980 def _test(): |
| 981 import doctest | |
| 982 doctest.testmod() | |
| 80 | 983 |
| 0 | 984 if __name__ == "__main__": |
| 985 "Silent return implies that all unit tests succeeded. Use -v to see details." | |
| 109 | 986 _test() |