Mercurial > sqlpython
annotate sqlpyPlus.py @ 146:d5917f02ae83
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date | Thu, 25 Sep 2008 15:40:20 -0400 |
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144 | 1 """sqlpyPlus - extra features (inspired by Oracle SQL*Plus) for Luca Canali's sqlpython.py |
0 | 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 | |
138 | 15 - context-sensitive tab-completion for table names, column names, etc. |
80 | 16 |
0 | 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 """ | |
26 # note in cmd.cmd about supporting emacs commands? | |
27 | |
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28 descQueries = { |
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29 'TABLE': (""" |
80 | 30 atc.column_name, |
31 CASE atc.nullable WHEN 'Y' THEN 'NULL' ELSE 'NOT NULL' END "Null?", | |
32 atc.data_type || | |
33 CASE atc.data_type WHEN 'DATE' THEN '' | |
34 ELSE '(' || | |
35 CASE atc.data_type WHEN 'NUMBER' THEN TO_CHAR(atc.data_precision) || | |
36 CASE atc.data_scale WHEN 0 THEN '' | |
37 ELSE ',' || TO_CHAR(atc.data_scale) END | |
38 ELSE TO_CHAR(atc.data_length) END | |
39 END || | |
40 CASE atc.data_type WHEN 'DATE' THEN '' ELSE ')' END | |
41 data_type | |
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42 FROM all_tab_columns atc |
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43 WHERE atc.table_name = :object_name |
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44 AND atc.owner = :owner |
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45 ORDER BY atc.column_id;""",), |
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46 'PROCEDURE': (""" |
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47 NVL(argument_name, 'Return Value') argument_name, |
80 | 48 data_type, |
49 in_out, | |
50 default_value | |
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51 FROM all_arguments |
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52 WHERE object_name = :object_name |
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53 AND owner = :owner |
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54 AND package_name IS NULL |
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55 ORDER BY sequence;""",), |
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56 'PackageObjects':(""" |
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57 SELECT DISTINCT object_name |
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58 FROM all_arguments |
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59 WHERE package_name = :package_name |
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60 AND owner = :owner""",), |
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61 'PackageObjArgs':(""" |
80 | 62 object_name, |
63 argument_name, | |
64 data_type, | |
65 in_out, | |
66 default_value | |
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67 FROM all_arguments |
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68 WHERE package_name = :package_name |
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69 AND object_name = :object_name |
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70 AND owner = :owner |
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71 AND argument_name IS NOT NULL |
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72 ORDER BY sequence""",), |
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73 'TRIGGER':(""" |
80 | 74 description |
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75 FROM all_triggers |
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76 WHERE owner = :owner |
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77 AND trigger_name = :object_name |
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78 """, |
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79 """ |
80 | 80 table_owner, |
81 base_object_type, | |
82 table_name, | |
83 column_name, | |
84 when_clause, | |
85 status, | |
86 action_type, | |
87 crossedition | |
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88 FROM all_triggers |
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89 WHERE owner = :owner |
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90 AND trigger_name = :object_name |
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91 \\t |
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92 """, |
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93 ), |
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94 'INDEX':(""" |
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95 index_type, |
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96 table_owner, |
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97 table_name, |
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98 table_type, |
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99 uniqueness, |
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100 compression, |
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101 partitioned, |
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102 temporary, |
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103 generated, |
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104 secondary, |
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105 dropped, |
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106 visibility |
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107 FROM all_indexes |
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108 WHERE owner = :owner |
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109 AND index_name = :object_name |
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110 \\t |
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111 """,) |
80 | 112 } |
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113 descQueries['VIEW'] = descQueries['TABLE'] |
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114 descQueries['FUNCTION'] = descQueries['PROCEDURE'] |
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115 |
0 | 116 queries = { |
117 'resolve': """ | |
118 SELECT object_type, object_name, owner FROM ( | |
80 | 119 SELECT object_type, object_name, user owner, 1 priority |
120 FROM user_objects | |
121 WHERE object_name = :objName | |
122 UNION ALL | |
123 SELECT ao.object_type, ao.object_name, ao.owner, 2 priority | |
124 FROM all_objects ao | |
125 JOIN user_synonyms us ON (us.table_owner = ao.owner AND us.table_name = ao.object_name) | |
126 WHERE us.synonym_name = :objName | |
127 AND ao.object_type != 'SYNONYM' | |
128 UNION ALL | |
129 SELECT ao.object_type, ao.object_name, ao.owner, 3 priority | |
130 FROM all_objects ao | |
131 JOIN all_synonyms asyn ON (asyn.table_owner = ao.owner AND asyn.table_name = ao.object_name) | |
132 WHERE asyn.synonym_name = :objName | |
133 AND ao.object_type != 'SYNONYM' | |
134 AND asyn.owner = 'PUBLIC' | |
135 UNION ALL | |
136 SELECT 'DIRECTORY' object_type, dir.directory_name, dir.owner, 6 priority | |
137 FROM all_directories dir | |
138 WHERE dir.directory_name = :objName | |
139 UNION ALL | |
140 SELECT 'DATABASE LINK' object_type, db_link, owner, 7 priority | |
141 FROM all_db_links dbl | |
142 WHERE dbl.db_link = :objName | |
127 | 143 ) ORDER BY priority ASC, |
144 length(object_type) ASC, | |
145 object_type DESC""", # preference: PACKAGE before PACKAGE BODY, TABLE before INDEX | |
0 | 146 'tabComments': """ |
147 SELECT comments | |
148 FROM all_tab_comments | |
149 WHERE owner = :owner | |
150 AND table_name = :table_name""", | |
151 'colComments': """ | |
152 atc.column_name, | |
80 | 153 acc.comments |
0 | 154 FROM all_tab_columns atc |
155 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
156 WHERE atc.table_name = :object_name | |
157 AND atc.owner = :owner | |
158 ORDER BY atc.column_id;""", | |
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159 #thanks to Senora.pm for "refs" |
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160 'refs': """ |
80 | 161 NULL referenced_by, |
162 c2.table_name references, | |
163 c1.constraint_name constraint | |
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164 FROM |
80 | 165 user_constraints c1, |
166 user_constraints c2 | |
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167 WHERE |
80 | 168 c1.table_name = :object_name |
169 and c1.constraint_type ='R' | |
170 and c1.r_constraint_name = c2.constraint_name | |
171 and c1.r_owner = c2.owner | |
172 and c1.owner = :owner | |
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173 UNION |
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174 SELECT c1.table_name referenced_by, |
80 | 175 NULL references, |
176 c1.constraint_name constraint | |
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177 FROM |
80 | 178 user_constraints c1, |
179 user_constraints c2 | |
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180 WHERE |
80 | 181 c2.table_name = :object_name |
182 and c1.constraint_type ='R' | |
183 and c1.r_constraint_name = c2.constraint_name | |
184 and c1.r_owner = c2.owner | |
185 and c1.owner = :owner | |
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186 """ |
0 | 187 } |
188 | |
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189 import sys, os, re, sqlpython, cx_Oracle, pyparsing, re, completion, genshi |
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190 from cmd2 import Cmd, make_option, options, Statekeeper |
0 | 191 |
192 if float(sys.version[:3]) < 2.3: | |
193 def enumerate(lst): | |
194 return zip(range(len(lst)), lst) | |
80 | 195 |
0 | 196 class SoftwareSearcher(object): |
197 def __init__(self, softwareList, purpose): | |
198 self.softwareList = softwareList | |
199 self.purpose = purpose | |
200 self.software = None | |
201 def invoke(self, *args): | |
202 if not self.software: | |
203 (self.software, self.invokeString) = self.find() | |
204 argTuple = tuple([self.software] + list(args)) | |
205 os.system(self.invokeString % argTuple) | |
206 def find(self): | |
207 if self.purpose == 'text editor': | |
208 software = os.environ.get('EDITOR') | |
209 if software: | |
210 return (software, '%s %s') | |
211 for (n, (software, invokeString)) in enumerate(self.softwareList): | |
212 if os.path.exists(software): | |
213 if n > (len(self.softwareList) * 0.7): | |
214 print """ | |
80 | 215 |
216 Using %s. Note that there are better options available for %s, | |
217 but %s couldn't find a better one in your PATH. | |
218 Feel free to open up %s | |
219 and customize it to find your favorite %s program. | |
220 | |
221 """ % (software, self.purpose, __file__, __file__, self.purpose) | |
0 | 222 return (software, invokeString) |
223 stem = os.path.split(software)[1] | |
224 for p in os.environ['PATH'].split(os.pathsep): | |
225 if os.path.exists(os.sep.join([p, stem])): | |
226 return (stem, invokeString) | |
227 raise (OSError, """Could not find any %s programs. You will need to install one, | |
80 | 228 or customize %s to make it aware of yours. |
229 Looked for these programs: | |
230 %s""" % (self.purpose, __file__, "\n".join([s[0] for s in self.softwareList]))) | |
0 | 231 #v2.4: %s""" % (self.purpose, __file__, "\n".join(s[0] for s in self.softwareList))) |
232 | |
233 softwareLists = { | |
234 'diff/merge': [ | |
80 | 235 ('/usr/bin/meld',"%s %s %s"), |
236 ('/usr/bin/kdiff3',"%s %s %s"), | |
237 (r'C:\Program Files\Araxis\Araxis Merge v6.5\Merge.exe','"%s" %s %s'), | |
238 (r'C:\Program Files\TortoiseSVN\bin\TortoiseMerge.exe', '"%s" /base:"%s" /mine:"%s"'), | |
239 ('FileMerge','%s %s %s'), | |
240 ('kompare','%s %s %s'), | |
241 ('WinMerge','%s %s %s'), | |
242 ('xxdiff','%s %s %s'), | |
243 ('fldiff','%s %s %s'), | |
244 ('gtkdiff','%s %s %s'), | |
245 ('tkdiff','%s %s %s'), | |
246 ('gvimdiff','%s %s %s'), | |
247 ('diff',"%s %s %s"), | |
248 (r'c:\windows\system32\comp.exe',"%s %s %s")], | |
249 'text editor': [ | |
250 ('gedit', '%s %s'), | |
251 ('textpad', '%s %s'), | |
252 ('notepad.exe', '%s %s'), | |
253 ('pico', '%s %s'), | |
254 ('emacs', '%s %s'), | |
255 ('vim', '%s %s'), | |
256 ('vi', '%s %s'), | |
257 ('ed', '%s %s'), | |
258 ('edlin', '%s %s') | |
259 ] | |
0 | 260 } |
261 | |
262 diffMergeSearcher = SoftwareSearcher(softwareLists['diff/merge'],'diff/merge') | |
263 editSearcher = SoftwareSearcher(softwareLists['text editor'], 'text editor') | |
264 editor = os.environ.get('EDITOR') | |
265 if editor: | |
266 editSearcher.find = lambda: (editor, "%s %s") | |
267 | |
268 class CaselessDict(dict): | |
269 """dict with case-insensitive keys. | |
270 | |
271 Posted to ASPN Python Cookbook by Jeff Donner - http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66315""" | |
272 def __init__(self, other=None): | |
273 if other: | |
274 # Doesn't do keyword args | |
275 if isinstance(other, dict): | |
276 for k,v in other.items(): | |
277 dict.__setitem__(self, k.lower(), v) | |
278 else: | |
279 for k,v in other: | |
280 dict.__setitem__(self, k.lower(), v) | |
281 def __getitem__(self, key): | |
282 return dict.__getitem__(self, key.lower()) | |
283 def __setitem__(self, key, value): | |
284 dict.__setitem__(self, key.lower(), value) | |
285 def __contains__(self, key): | |
286 return dict.__contains__(self, key.lower()) | |
287 def has_key(self, key): | |
288 return dict.has_key(self, key.lower()) | |
289 def get(self, key, def_val=None): | |
290 return dict.get(self, key.lower(), def_val) | |
291 def setdefault(self, key, def_val=None): | |
292 return dict.setdefault(self, key.lower(), def_val) | |
293 def update(self, other): | |
294 for k,v in other.items(): | |
295 dict.__setitem__(self, k.lower(), v) | |
296 def fromkeys(self, iterable, value=None): | |
297 d = CaselessDict() | |
298 for k in iterable: | |
299 dict.__setitem__(d, k.lower(), value) | |
300 return d | |
301 def pop(self, key, def_val=None): | |
302 return dict.pop(self, key.lower(), def_val) | |
303 | |
304 class Parser(object): | |
305 comment_def = "--" + pyparsing.ZeroOrMore(pyparsing.CharsNotIn("\n")) | |
306 def __init__(self, scanner, retainSeparator=True): | |
307 self.scanner = scanner | |
308 self.scanner.ignore(pyparsing.sglQuotedString) | |
309 self.scanner.ignore(pyparsing.dblQuotedString) | |
310 self.scanner.ignore(self.comment_def) | |
311 self.scanner.ignore(pyparsing.cStyleComment) | |
312 self.retainSeparator = retainSeparator | |
313 def separate(self, txt): | |
314 itms = [] | |
315 for (sqlcommand, start, end) in self.scanner.scanString(txt): | |
316 if sqlcommand: | |
317 if type(sqlcommand[0]) == pyparsing.ParseResults: | |
318 if self.retainSeparator: | |
319 itms.append("".join(sqlcommand[0])) | |
320 else: | |
321 itms.append(sqlcommand[0][0]) | |
322 else: | |
323 if sqlcommand[0]: | |
324 itms.append(sqlcommand[0]) | |
325 return itms | |
326 | |
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327 bindScanner = Parser(pyparsing.Literal(':') + pyparsing.Word( pyparsing.alphanums + "_$#" )) |
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328 |
0 | 329 def findBinds(target, existingBinds, givenBindVars = {}): |
330 result = givenBindVars | |
331 for finding, startat, endat in bindScanner.scanner.scanString(target): | |
332 varname = finding[1] | |
333 try: | |
334 result[varname] = existingBinds[varname] | |
335 except KeyError: | |
336 if not givenBindVars.has_key(varname): | |
337 print 'Bind variable %s not defined.' % (varname) | |
338 return result | |
80 | 339 |
0 | 340 class sqlpyPlus(sqlpython.sqlpython): |
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341 defaultExtension = 'sql' |
92 | 342 sqlpython.sqlpython.shortcuts.update({':': 'setbind', '\\': 'psql', '@': '_load'}) |
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343 multilineCommands = '''select insert update delete tselect |
80 | 344 create drop alter'''.split() |
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345 defaultFileName = 'afiedt.buf' |
0 | 346 def __init__(self): |
347 sqlpython.sqlpython.__init__(self) | |
348 self.binds = CaselessDict() | |
349 self.sqlBuffer = [] | |
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350 self.settable = ['maxtselctrows', 'maxfetch', 'autobind', |
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351 'failover', 'timeout', 'commit_on_exit'] # settables must be lowercase |
0 | 352 self.stdoutBeforeSpool = sys.stdout |
353 self.spoolFile = None | |
354 self.autobind = False | |
355 self.failover = False | |
356 def default(self, arg, do_everywhere=False): | |
357 sqlpython.sqlpython.default(self, arg, do_everywhere) | |
358 self.sqlBuffer.append(self.query) | |
359 | |
360 # overrides cmd's parseline | |
361 def parseline(self, line): | |
362 """Parse the line into a command name and a string containing | |
363 the arguments. Returns a tuple containing (command, args, line). | |
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364 'command' and 'args' may be None if the line couldn't be parsed. |
0 | 365 Overrides cmd.cmd.parseline to accept variety of shortcuts..""" |
80 | 366 |
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367 cmd, arg, line = sqlpython.sqlpython.parseline(self, line) |
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368 if cmd in ('select', 'sleect', 'insert', 'update', 'delete', 'describe', |
80 | 369 'desc', 'comments', 'pull', 'refs', 'desc', 'triggers', 'find') \ |
370 and not hasattr(self, 'curs'): | |
0 | 371 print 'Not connected.' |
372 return '', '', '' | |
373 return cmd, arg, line | |
92 | 374 |
375 do__load = Cmd.do_load | |
80 | 376 |
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377 def onecmd_plus_hooks(self, line): |
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378 line = self.precmd(line) |
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379 stop = self.onecmd(line) |
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380 stop = self.postcmd(stop, line) |
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381 |
0 | 382 def do_shortcuts(self,arg): |
383 """Lists available first-character shortcuts | |
384 (i.e. '!dir' is equivalent to 'shell dir')""" | |
385 for (scchar, scto) in self.shortcuts.items(): | |
58 | 386 print '%s: %s' % (scchar, scto) |
0 | 387 |
388 def colnames(self): | |
389 return [d[0] for d in curs.description] | |
390 | |
391 def sql_format_itm(self, itm, needsquotes): | |
392 if itm is None: | |
393 return 'NULL' | |
394 if needsquotes: | |
395 return "'%s'" % str(itm) | |
396 return str(itm) | |
105 | 397 def str_or_empty(self, itm): |
398 if itm is None: | |
399 return '' | |
400 return str(itm) | |
0 | 401 def output_as_insert_statements(self): |
402 usequotes = [d[1] != cx_Oracle.NUMBER for d in self.curs.description] | |
403 def formatRow(row): | |
404 return ','.join(self.sql_format_itm(itm, useq) | |
405 for (itm, useq) in zip(row, usequotes)) | |
406 result = ['INSERT INTO %s (%s) VALUES (%s);' % | |
407 (self.tblname, ','.join(self.colnames), formatRow(row)) | |
408 for row in self.rows] | |
409 return '\n'.join(result) | |
80 | 410 |
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411 xml_template = genshi.template.MarkupTemplate(''' |
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412 <ul xmlns:py="http://genshi.edgewall.org/"> |
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413 <li py:for="item in items">${item}</li> |
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414 </ul>''') |
0 | 415 def output_row_as_xml(self, row): |
416 result = [' <%s>\n %s\n </%s>' % | |
105 | 417 (colname.lower(), self.str_or_empty(itm), colname.lower()) |
0 | 418 for (itm, colname) in zip(row, self.colnames)] |
419 return '\n'.join(result) | |
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420 ''' |
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421 xml_template = genshi.template.MarkupTemplate(""" |
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422 <xml xmlns:py="http://genshi.edgewall.org/"> |
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423 <relation py:attr="{'type':tblname}"> |
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424 <tuple py:for="row in rows" py:attr="{'type':> |
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425 </tuple> |
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426 </relation> |
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427 <tr> |
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428 <th py:for="colname in colnames"> |
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429 <span py:replace="colname">Column Name</span> |
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430 </th> |
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431 </tr> |
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432 <tr py:for="row in rows"> |
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433 <td py:for="itm in row"> |
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434 <span py:replace="str(itm)">Value</span> |
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435 </td> |
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436 </tr> |
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437 </table> |
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438 </body> |
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439 </html>""") |
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440 ''' |
0 | 441 def output_as_xml(self): |
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442 return self.xml_template(**self.__dict__) |
0 | 443 result = ['<%s>\n%s\n</%s>' % |
444 (self.tblname, self.output_row_as_xml(row), self.tblname) | |
445 for row in self.rows] | |
446 return '\n'.join(result) | |
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447 |
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448 html_template = genshi.template.MarkupTemplate(""" |
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449 <html xmlns:py="http://genshi.edgewall.org/"> |
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450 <head> |
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451 <title py:content="tblname">Table Name</title> |
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452 </head> |
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453 <body> |
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454 <table py:attrs="{'id':tblname}"> |
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455 <tr> |
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456 <th py:for="colname in colnames"> |
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457 <span py:replace="colname.lower()">Column Name</span> |
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458 </th> |
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459 </tr> |
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460 <tr py:for="row in rows"> |
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461 <td py:for="itm in row"> |
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462 <span py:replace="str(itm)">Value</span> |
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463 </td> |
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464 </tr> |
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465 </table> |
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466 </body> |
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467 </html>""") |
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468 |
0 | 469 def output_as_list(self, align): |
470 result = [] | |
471 colnamelen = max(len(colname) for colname in self.colnames) + 1 | |
472 for (idx, row) in enumerate(self.rows): | |
473 result.append('\n**** Row: %d' % (idx+1)) | |
474 for (itm, colname) in zip(row, self.colnames): | |
475 if align: | |
476 colname = colname.ljust(colnamelen) | |
477 result.append('%s: %s' % (colname, itm)) | |
478 return '\n'.join(result) | |
479 | |
480 tableNameFinder = re.compile(r'from\s+([\w$#_"]+)', re.IGNORECASE | re.MULTILINE | re.DOTALL) | |
481 def output(self, outformat, rowlimit): | |
482 self.tblname = self.tableNameFinder.search(self.curs.statement).group(1) | |
483 self.colnames = [d[0] for d in self.curs.description] | |
484 if outformat == '\\i': | |
485 result = self.output_as_insert_statements() | |
486 elif outformat == '\\x': | |
487 result = self.output_as_xml() | |
488 elif outformat == '\\g': | |
489 result = self.output_as_list(align=False) | |
490 elif outformat == '\\G': | |
491 result = self.output_as_list(align=True) | |
492 elif outformat in ('\\s', '\\S', '\\c', '\\C'): #csv | |
493 result = [] | |
494 if outformat in ('\\s', '\\c'): | |
495 result.append(','.join('"%s"' % colname for colname in self.colnames)) | |
496 for row in self.rows: | |
106 | 497 result.append(','.join('"%s"' % self.str_or_empty(itm) for itm in row)) |
0 | 498 result = '\n'.join(result) |
499 elif outformat == '\\h': | |
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500 result = self.html_template.generate(**self.__dict__) |
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501 elif outformat == '\\t': |
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502 rows = [self.colnames] |
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503 rows.extend(list(self.rows)) |
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504 transpr = [[rows[y][x] for y in range(len(rows))]for x in range(len(rows[0]))] # matrix transpose |
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505 newdesc = [['ROW N.'+str(y),10] for y in range(len(rows))] |
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506 for x in range(len(self.curs.description)): |
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507 if str(self.curs.description[x][1]) == "<type 'cx_Oracle.BINARY'>": # handles RAW columns |
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508 rname = transpr[x][0] |
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509 transpr[x] = map(binascii.b2a_hex, transpr[x]) |
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510 transpr[x][0] = rname |
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511 newdesc[0][0] = 'COLUMN NAME' |
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512 result = '\n' + sqlpython.pmatrix(transpr,newdesc) |
0 | 513 else: |
514 result = sqlpython.pmatrix(self.rows, self.curs.description, self.maxfetch) | |
515 return result | |
80 | 516 |
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517 legalOracle = re.compile('[a-zA-Z_$#]') |
80 | 518 |
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519 def select_scalar_list(self, sql, binds={}): |
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520 self.curs.execute(sql, binds) |
132 | 521 return [r[0] for r in self.curs.fetchall()] |
522 | |
523 columnNameRegex = re.compile( | |
524 r'select\s+(.*)from', | |
525 re.IGNORECASE | re.DOTALL | re.MULTILINE) | |
526 def completedefault(self, text, line, begidx, endidx): | |
527 segment = completion.whichSegment(line) | |
528 text = text.upper() | |
131
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529 completions = [] |
132 | 530 if segment == 'select': |
531 stmt = "SELECT column_name FROM user_tab_columns WHERE column_name LIKE '%s%%'" | |
137
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532 completions = self.select_scalar_list(stmt % (text)) |
132 | 533 if not completions: |
534 stmt = "SELECT column_name FROM all_tab_columns WHERE column_name LIKE '%s%%'" | |
137
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535 completions = self.select_scalar_list(stmt % (text)) |
133
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536 if segment == 'from': |
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537 columnNames = self.columnNameRegex.search(line) |
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538 if columnNames: |
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539 columnNames = columnNames.group(1) |
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540 columnNames = [c.strip().upper() for c in columnNames.split(',')] |
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541 stmt1 = "SELECT table_name FROM all_tab_columns WHERE column_name = '%s' AND table_name LIKE '%s%%'" |
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542 for columnName in columnNames: |
138 | 543 # and if columnName is * ? |
137
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544 completions.extend(self.select_scalar_list(stmt1 % (columnName, text))) |
134
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545 if segment in ('from', 'update', 'insert into') and (not completions): |
132 | 546 stmt = "SELECT table_name FROM user_tables WHERE table_name LIKE '%s%%'" |
137
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547 completions = self.select_scalar_list(stmt % (text)) |
132 | 548 if not completions: |
549 stmt = """SELECT table_name FROM user_tables WHERE table_name LIKE '%s%%' | |
550 UNION | |
551 SELECT DISTINCT owner FROM all_tables WHERE owner LIKE '%%%s'""" | |
137
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552 completions = self.select_scalar_list(stmt % (text, text)) |
134
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553 if segment in ('where', 'group by', 'order by', 'having', 'set'): |
136
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554 tableNames = completion.tableNamesFromFromClause(line) |
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555 if tableNames: |
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556 stmt = """SELECT column_name FROM all_tab_columns |
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557 WHERE table_name IN (%s)""" % \ |
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558 (','.join("'%s'" % (t) for t in tableNames)) |
133
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559 stmt = "%s AND column_name LIKE '%s%%'" % (stmt, text) |
137
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560 completions = self.select_scalar_list(stmt) |
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561 if not segment: |
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562 stmt = "SELECT object_name FROM all_objects WHERE object_name LIKE '%s%%'" |
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563 completions = self.select_scalar_list(stmt % (text)) |
131
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564 return completions |
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565 |
116
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566 rowlimitPattern = pyparsing.Word(pyparsing.nums)('rowlimit') |
145
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567 terminatorPattern = (pyparsing.oneOf('; \\s \\S \\c \\C \\t \\x \\h \\g \\G \\i') |
130
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568 ^ pyparsing.Literal('\n/') ^ \ |
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569 (pyparsing.Literal('\nEOF') + pyparsing.stringEnd)) \ |
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570 ('terminator') + \ |
146
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571 pyparsing.Optional(rowlimitPattern) #+ \ |
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572 #pyparsing.FollowedBy(pyparsing.LineEnd()) |
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573 def do_select(self, arg, bindVarsIn=None, override_terminator=None): |
0 | 574 """Fetch rows from a table. |
80 | 575 |
0 | 576 Limit the number of rows retrieved by appending |
577 an integer after the terminator | |
578 (example: SELECT * FROM mytable;10 ) | |
80 | 579 |
0 | 580 Output may be formatted by choosing an alternative terminator |
581 ("help terminators" for details) | |
582 """ | |
583 bindVarsIn = bindVarsIn or {} | |
116
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584 statement = self.parsed('select ' + arg) |
117 | 585 self.query = statement.unterminated |
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586 if override_terminator: |
116
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587 statement['terminator'] = override_terminator |
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588 statement['rowlimit'] = int(statement.rowlimit or 0) |
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589 try: |
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590 self.varsUsed = findBinds(self.query, self.binds, bindVarsIn) |
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591 self.curs.execute(self.query, self.varsUsed) |
116
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592 self.rows = self.curs.fetchmany(min(self.maxfetch, (statement.rowlimit or self.maxfetch))) |
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593 self.desc = self.curs.description |
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594 self.rc = self.curs.rowcount |
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595 if self.rc > 0: |
117 | 596 self.stdout.write('\n%s\n' % (self.output(statement.terminator, statement.rowlimit))) |
5
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597 if self.rc == 0: |
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598 print '\nNo rows Selected.\n' |
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599 elif self.rc == 1: |
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600 print '\n1 row selected.\n' |
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601 if self.autobind: |
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602 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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603 if len(self.desc) == 1: |
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604 self.binds['_'] = self.rows[0][0] |
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605 elif self.rc < self.maxfetch: |
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606 print '\n%d rows selected.\n' % self.rc |
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607 else: |
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608 print '\nSelected Max Num rows (%d)' % self.rc |
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609 except Exception, e: |
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610 print e |
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611 import traceback |
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612 traceback.print_exc(file=sys.stdout) |
0 | 613 self.sqlBuffer.append(self.query) |
614 | |
131
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615 |
82 | 616 @options([make_option('-f', '--full', action='store_true', help='get dependent objects as well')]) |
81 | 617 def do_pull(self, arg, opts): |
618 """Displays source code.""" | |
80 | 619 |
144 | 620 arg = self.parsed(arg).unterminated.upper() |
621 object_type, owner, object_name = self.resolve(arg) | |
79
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622 if not object_type: |
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623 return |
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624 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
63 | 625 self.stdout.write(str(self.curs.callfunc('DBMS_METADATA.GET_DDL', cx_Oracle.CLOB, |
80 | 626 [object_type, object_name, owner]))) |
81 | 627 if opts.full: |
40
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628 for dependent_type in ('OBJECT_GRANT', 'CONSTRAINT', 'TRIGGER'): |
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629 try: |
63 | 630 self.stdout.write(str(self.curs.callfunc('DBMS_METADATA.GET_DEPENDENT_DDL', cx_Oracle.CLOB, |
80 | 631 [dependent_type, object_name, owner]))) |
40
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632 except cx_Oracle.DatabaseError: |
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633 pass |
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634 |
129 | 635 @options([make_option('-a','--all',action='store_true', help='Find in all schemas (not just my own)'), |
636 make_option('-i', '--insensitive', action='store_true', help='case-insensitive search'), | |
122
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637 make_option('-c', '--col', action='store_true', help='find column'), |
129 | 638 make_option('-t', '--table', action='store_true', help='find table')]) |
81 | 639 def do_find(self, arg, opts): |
121
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640 """Finds argument in source code or (with -c) in column definitions.""" |
80 | 641 |
129 | 642 arg = self.parsed(arg).unterminated.upper() |
643 | |
121
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644 if opts.col: |
129 | 645 sql = "owner, table_name, column_name from all_tab_columns where column_name like '%%%s%%'" % (arg) |
122
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646 elif opts.table: |
129 | 647 sql = "owner, table_name from all_tables where table_name like '%%%s%%'" % (arg) |
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648 else: |
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649 if opts.insensitive: |
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650 searchfor = "LOWER(text)" |
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651 arg = arg.lower() |
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652 else: |
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653 searchfor = "text" |
129 | 654 sql = "* from all_source where %s like '%%%s%%'" % (searchfor, arg) |
655 if not opts.all: | |
656 sql = '%s and owner = user' % (sql) | |
657 self.do_select(sql) | |
80 | 658 |
83 | 659 @options([make_option('-a','--all',action='store_true', |
660 help='Describe all objects (not just my own)')]) | |
661 def do_describe(self, arg, opts): | |
0 | 662 "emulates SQL*Plus's DESCRIBE" |
121
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663 |
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664 arg = self.parsed(arg).unterminated.upper() |
83 | 665 if opts.all: |
666 which_view = (', owner', 'all') | |
667 else: | |
668 which_view = ('', 'user') | |
80 | 669 |
77 | 670 if not arg: |
83 | 671 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 | 672 return |
121
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673 object_type, owner, object_name = self.resolve(arg) |
77 | 674 if not object_type: |
87 | 675 self.do_select("""object_name, object_type%s FROM %s_objects |
676 WHERE object_type IN ('TABLE','VIEW','INDEX') | |
677 AND object_name LIKE '%%%s%%' | |
678 ORDER BY object_name""" % | |
679 (which_view[0], which_view[1], arg.upper()) ) | |
77 | 680 return |
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681 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
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682 descQ = descQueries.get(object_type) |
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683 if descQ: |
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684 for q in descQ: |
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685 self.do_select(q,bindVarsIn={'object_name':object_name, 'owner':owner}) |
0 | 686 elif object_type == 'PACKAGE': |
137
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687 packageContents = self.select_scalar_list(descQueries['PackageObjects'][0], {'package_name':object_name, 'owner':owner}) |
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688 for packageObj_name in packageContents: |
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689 self.stdout.write('Arguments to %s\n' % (packageObj_name)) |
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690 self.do_select(descQueries['PackageObjArgs'][0],bindVarsIn={'package_name':object_name, 'owner':owner, 'object_name':packageObj_name}) |
0 | 691 do_desc = do_describe |
80 | 692 |
693 def do_deps(self, arg): | |
121
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694 arg = self.parsed(arg).unterminated.upper() |
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695 object_type, owner, object_name = self.resolve(arg) |
80 | 696 if object_type == 'PACKAGE BODY': |
697 q = "and (type != 'PACKAGE BODY' or name != :object_name)'" | |
698 object_type = 'PACKAGE' | |
699 else: | |
700 q = "" | |
701 q = """ name, | |
702 type | |
703 from user_dependencies | |
704 where | |
705 referenced_name like :object_name | |
706 and referenced_type like :object_type | |
707 and referenced_owner like :owner | |
708 %s""" % (q) | |
709 self.do_select(q, {'object_name':object_name, 'object_type':object_type, 'owner':owner}) | |
710 | |
0 | 711 def do_comments(self, arg): |
712 'Prints comments on a table and its columns.' | |
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713 arg = self.parsed(arg).unterminated.upper() |
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714 object_type, owner, object_name = self.resolve(arg) |
0 | 715 if object_type: |
716 self.curs.execute(queries['tabComments'],{'table_name':object_name, 'owner':owner}) | |
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717 self.stdout.write("%s %s.%s: %s\n" % (object_type, owner, object_name, self.curs.fetchone()[0])) |
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718 self.do_select(queries['colComments'],bindVarsIn={'owner':owner, 'object_name': object_name}) |
0 | 719 |
720 def resolve(self, identifier): | |
721 """Checks (my objects).name, (my synonyms).name, (public synonyms).name | |
722 to resolve a database object's name. """ | |
723 parts = identifier.split('.') | |
724 try: | |
725 if len(parts) == 2: | |
726 owner, object_name = parts | |
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727 object_type = self.select_scalar_list('SELECT object_type FROM all_objects WHERE owner = :owner AND object_name = :object_name', |
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728 {'owner': owner, 'object_name': object_name} |
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729 )[0] |
0 | 730 elif len(parts) == 1: |
731 object_name = parts[0] | |
732 self.curs.execute(queries['resolve'], {'objName':object_name}) | |
733 object_type, object_name, owner = self.curs.fetchone() | |
734 except TypeError: | |
735 print 'Could not resolve object %s.' % identifier | |
736 object_type, owner, object_name = '', '', '' | |
737 return object_type, owner, object_name | |
738 | |
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739 def do_resolve(self, arg): |
144 | 740 arg = self.parsed(arg).unterminated.upper() |
741 self.stdout.write(','.join(self.resolve(arg))+'\n') | |
80 | 742 |
0 | 743 def spoolstop(self): |
744 if self.spoolFile: | |
88 | 745 self.stdout = self.stdoutBeforeSpool |
0 | 746 print 'Finished spooling to ', self.spoolFile.name |
747 self.spoolFile.close() | |
748 self.spoolFile = None | |
80 | 749 |
0 | 750 def do_spool(self, arg): |
751 """spool [filename] - begins redirecting output to FILENAME.""" | |
752 self.spoolstop() | |
753 arg = arg.strip() | |
754 if not arg: | |
755 arg = 'output.lst' | |
756 if arg.lower() != 'off': | |
757 if '.' not in arg: | |
758 arg = '%s.lst' % arg | |
759 print 'Sending output to %s (until SPOOL OFF received)' % (arg) | |
760 self.spoolFile = open(arg, 'w') | |
88 | 761 self.stdout = self.spoolFile |
80 | 762 |
0 | 763 def do_write(self, args): |
88 | 764 print 'Use (query) > outfilename instead.' |
765 return | |
80 | 766 |
0 | 767 def do_compare(self, args): |
768 """COMPARE query1 TO query2 - uses external tool to display differences. | |
80 | 769 |
58 | 770 Sorting is recommended to avoid false hits. |
771 Will attempt to use a graphical diff/merge tool like kdiff3, meld, or Araxis Merge, | |
772 if they are installed.""" | |
0 | 773 fnames = [] |
774 args2 = args.split(' to ') | |
88 | 775 if len(args2) < 2: |
776 print self.do_compare.__doc__ | |
777 return | |
0 | 778 for n in range(len(args2)): |
779 query = args2[n] | |
780 fnames.append('compare%s.txt' % n) | |
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781 #TODO: update this terminator-stripping |
0 | 782 if query.rstrip()[-1] != self.terminator: |
783 query = '%s%s' % (query, self.terminator) | |
88 | 784 self.onecmd_plus_hooks('%s > %s' % (query, fnames[n])) |
0 | 785 diffMergeSearcher.invoke(fnames[0], fnames[1]) |
786 | |
787 bufferPosPattern = re.compile('\d+') | |
788 rangeIndicators = ('-',':') | |
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789 |
0 | 790 def do_psql(self, arg): |
791 '''Shortcut commands emulating psql's backslash commands. | |
80 | 792 |
0 | 793 \c connect |
794 \d desc | |
795 \e edit | |
796 \g run | |
797 \h help | |
92 | 798 \i load |
0 | 799 \o spool |
800 \p list | |
77 | 801 \q quit |
0 | 802 \w save |
61 | 803 \db _dir_tablespaces |
804 \dd comments | |
805 \dn _dir_schemas | |
806 \dt _dir_tables | |
807 \dv _dir_views | |
808 \di _dir_indexes | |
0 | 809 \? help psql''' |
810 commands = {} | |
811 for c in self.do_psql.__doc__.splitlines()[2:]: | |
812 (abbrev, command) = c.split(None, 1) | |
813 commands[abbrev[1:]] = command | |
814 words = arg.split(None,1) | |
80 | 815 try: |
816 abbrev = words[0] | |
817 except IndexError: | |
818 return | |
0 | 819 try: |
820 args = words[1] | |
821 except IndexError: | |
822 args = '' | |
823 try: | |
77 | 824 return self.onecmd('%s %s' % (commands[abbrev], args)) |
0 | 825 except KeyError: |
61 | 826 print 'psql command \%s not yet supported.' % abbrev |
77 | 827 |
83 | 828 @options([make_option('-a','--all',action='store_true', |
829 help='Describe all objects (not just my own)')]) | |
84 | 830 def do__dir_tables(self, arg, opts): |
83 | 831 if opts.all: |
832 which_view = (', owner', 'all') | |
833 else: | |
834 which_view = ('', 'user') | |
835 self.do_select("""table_name, 'TABLE' as type%s FROM %s_tables WHERE table_name LIKE '%%%s%%'""" % | |
836 (which_view[0], which_view[1], arg.upper())) | |
80 | 837 |
83 | 838 @options([make_option('-a','--all',action='store_true', |
839 help='Describe all objects (not just my own)')]) | |
84 | 840 def do__dir_views(self, arg, opts): |
83 | 841 if opts.all: |
842 which_view = (', owner', 'all') | |
843 else: | |
844 which_view = ('', 'user') | |
845 self.do_select("""view_name, 'VIEW' as type%s FROM %s_views WHERE view_name LIKE '%%%s%%'""" % | |
846 (which_view[0], which_view[1], arg.upper())) | |
61 | 847 |
83 | 848 @options([make_option('-a','--all',action='store_true', |
849 help='Describe all objects (not just my own)')]) | |
84 | 850 def do__dir_indexes(self, arg, opts): |
83 | 851 if opts.all: |
852 which_view = (', owner', 'all') | |
853 else: | |
854 which_view = ('', 'user') | |
855 self.do_select("""index_name, index_type%s FROM %s_indexes WHERE index_name LIKE '%%%s%%' OR table_name LIKE '%%%s%%'""" % | |
856 (which_view[0], which_view[1], arg.upper(), arg.upper())) | |
61 | 857 |
858 def do__dir_tablespaces(self, arg): | |
859 self.do_select("""tablespace_name, file_name from dba_data_files""") | |
860 | |
861 def do__dir_schemas(self, arg): | |
862 self.do_select("""owner, count(*) AS objects FROM all_objects GROUP BY owner ORDER BY owner""") | |
80 | 863 |
62 | 864 def do_head(self, arg): |
865 nrows = 10 | |
866 args = arg.split() | |
867 if len(args) > 1: | |
868 for a in args: | |
869 if a[0] == '-': | |
870 try: | |
871 nrows = int(a[1:]) | |
872 args.remove(a) | |
873 except: | |
874 pass | |
875 arg = ' '.join(args) | |
876 self.do_select('* from %s;%d' % (arg, nrows)) | |
80 | 877 |
0 | 878 def do_print(self, arg): |
879 'print VARNAME: Show current value of bind variable VARNAME.' | |
880 if arg: | |
881 if arg[0] == ':': | |
882 arg = arg[1:] | |
883 try: | |
95 | 884 self.stdout.write(str(self.binds[arg])+'\n') |
0 | 885 except KeyError: |
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886 self.stdout.write('No bind variable %s\n' % arg) |
0 | 887 else: |
888 for (var, val) in self.binds.items(): | |
889 print ':%s = %s' % (var, val) | |
80 | 890 |
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891 assignmentScanner = Parser(pyparsing.Literal(':=') ^ '=') |
0 | 892 def do_setbind(self, arg): |
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893 arg = self.parsed(arg).unterminated |
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894 try: |
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895 assigner, startat, endat = self.assignmentScanner.scanner.scanString(arg).next() |
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896 except StopIteration: |
72 | 897 self.do_print(arg) |
118 | 898 return |
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899 var, val = arg[:startat].strip(), arg[endat:].strip() |
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900 if val[0] == val[-1] == "'" and len(val) > 1: |
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901 self.binds[var] = val[1:-1] |
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902 return |
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903 try: |
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904 self.binds[var] = int(val) |
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905 return |
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906 except ValueError: |
74 | 907 try: |
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908 self.binds[var] = float(val) |
80 | 909 return |
74 | 910 except ValueError: |
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911 statekeeper = Statekeeper(self, ('autobind',)) |
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912 self.autobind = True |
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913 self.do_select('%s AS %s FROM dual;' % (val, var)) |
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914 statekeeper.restore() |
80 | 915 |
0 | 916 def do_exec(self, arg): |
917 if arg[0] == ':': | |
918 self.do_setbind(arg[1:]) | |
919 else: | |
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920 arg = self.parsed(arg).unterminated |
119 | 921 varsUsed = findBinds(arg, self.binds, {}) |
71 | 922 try: |
119 | 923 self.curs.execute('begin\n%s;end;' % arg, varsUsed) |
71 | 924 except Exception, e: |
925 print e | |
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926 |
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927 ''' |
96 | 928 Fails: |
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929 select n into :n from test;''' |
96 | 930 |
70 | 931 def anon_plsql(self, line1): |
932 lines = [line1] | |
933 while True: | |
934 line = self.pseudo_raw_input(self.continuationPrompt) | |
935 if line.strip() == '/': | |
936 try: | |
937 self.curs.execute('\n'.join(lines)) | |
938 except Exception, e: | |
939 print e | |
940 return | |
941 lines.append(line) | |
80 | 942 |
70 | 943 def do_begin(self, arg): |
944 self.anon_plsql('begin ' + arg) | |
945 | |
946 def do_declare(self, arg): | |
947 self.anon_plsql('declare ' + arg) | |
80 | 948 |
87 | 949 #def do_create(self, arg): |
950 # self.anon_plsql('create ' + arg) | |
78 | 951 |
119 | 952 @options([make_option('-l', '--long', action='store_true', help='long descriptions'), |
953 make_option('-a', '--all', action='store_true', help="all schemas' objects")]) | |
81 | 954 def do_ls(self, arg, opts): |
78 | 955 where = '' |
956 if arg: | |
957 where = """\nWHERE object_type || '/' || object_name | |
80 | 958 LIKE '%%%s%%'""" % (arg.upper().replace('*','%')) |
78 | 959 else: |
960 where = '' | |
119 | 961 if opts.all: |
962 owner = 'owner' | |
963 whose = 'all' | |
964 else: | |
965 owner = "'' AS owner" | |
966 whose = 'user' | |
78 | 967 result = [] |
968 statement = '''SELECT object_type, object_name, | |
119 | 969 status, last_ddl_time, %s |
970 FROM %s_objects %s | |
971 ORDER BY object_type, object_name''' % (owner, whose, where) | |
78 | 972 self.curs.execute(statement) |
119 | 973 for (object_type, object_name, status, last_ddl_time, owner) in self.curs.fetchall(): |
974 if opts.all: | |
975 qualified_name = '%s.%s' % (owner, object_name) | |
976 else: | |
977 qualified_name = object_name | |
81 | 978 if opts.long: |
119 | 979 result.append('%s\t%s\t%s/%s' % (status, last_ddl_time, object_type, qualified_name)) |
78 | 980 else: |
119 | 981 result.append('%s/%s' % (object_type, qualified_name)) |
78 | 982 self.stdout.write('\n'.join(result) + '\n') |
80 | 983 |
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984 def do_cat(self, arg): |
128 | 985 '''cat TABLENAME --> SELECT * FROM equivalent''' |
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986 targets = arg.split() |
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987 for target in targets: |
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988 self.do_select('* from %s' % target) |
80 | 989 |
86 | 990 @options([make_option('-i', '--ignore-case', dest='ignorecase', action='store_true', help='Case-insensitive search')]) |
991 def do_grep(self, arg, opts): | |
992 """grep PATTERN TABLE - search for term in any of TABLE's fields""" | |
128 | 993 |
994 arg = self.parsed(arg) | |
995 targetnames = arg.unterminated.split() | |
996 pattern = targetnames.pop(0) | |
997 targets = [] | |
998 for target in targetnames: | |
86 | 999 if '*' in target: |
128 | 1000 self.curs.execute("SELECT owner, table_name FROM all_tables WHERE table_name LIKE '%s'%s" % |
1001 (target.upper().replace('*','%')), arg.terminator) | |
86 | 1002 for row in self.curs: |
1003 targets.append('%s.%s' % row) | |
1004 else: | |
1005 targets.append(target) | |
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1006 for target in targets: |
86 | 1007 print target |
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1008 target = target.rstrip(';') |
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1009 sql = [] |
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1010 try: |
128 | 1011 self.curs.execute('select * from %s where 1=0' % target) # just to fill description |
86 | 1012 if opts.ignorecase: |
1013 sql = ' or '.join("LOWER(%s) LIKE '%%%s%%'" % (d[0], pattern.lower()) for d in self.curs.description) | |
1014 else: | |
1015 sql = ' or '.join("%s LIKE '%%%s%%'" % (d[0], pattern) for d in self.curs.description) | |
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1016 sql = '* FROM %s WHERE %s' % (target, sql) |
128 | 1017 self.do_select('%s%s%s' % (sql, arg.terminator, arg.rowlimit)) |
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1018 except Exception, e: |
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1019 print e |
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1020 import traceback |
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1021 traceback.print_exc(file=sys.stdout) |
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1022 |
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1023 def do_refs(self, arg): |
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1024 arg = self.parsed(arg).unterminated.upper() |
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1025 object_type, owner, object_name = self.resolve(arg) |
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1026 if object_type == 'TABLE': |
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1027 self.do_select(queries['refs'],bindVarsIn={'object_name':object_name, 'owner':owner}) |
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1028 |
0 | 1029 def _test(): |
1030 import doctest | |
1031 doctest.testmod() | |
80 | 1032 |
0 | 1033 if __name__ == "__main__": |
1034 "Silent return implies that all unit tests succeeded. Use -v to see details." | |
109 | 1035 _test() |