Mercurial > sqlpython
annotate sqlpyPlus.py @ 85:b336d049cac7
bugs found during gcoug talk prep
| author | catherine@localhost |
|---|---|
| date | Mon, 19 May 2008 16:45:24 -0400 |
| parents | a7be838c4ad5 |
| children | ca5d615d8207 |
| 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 Compatible with sqlpython v1.3 | |
| 19 | |
| 20 Set bind variables the hard (SQL*Plus) way | |
| 21 exec :b = 3 | |
| 22 or with a python-like shorthand | |
| 23 :b = 3 | |
| 24 | |
| 25 - catherinedevlin.blogspot.com May 31, 2006 | |
| 26 """ | |
| 27 # note in cmd.cmd about supporting emacs commands? | |
| 28 | |
|
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29 descQueries = { |
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30 'TABLE': (""" |
| 80 | 31 atc.column_name, |
| 32 CASE atc.nullable WHEN 'Y' THEN 'NULL' ELSE 'NOT NULL' END "Null?", | |
| 33 atc.data_type || | |
| 34 CASE atc.data_type WHEN 'DATE' THEN '' | |
| 35 ELSE '(' || | |
| 36 CASE atc.data_type WHEN 'NUMBER' THEN TO_CHAR(atc.data_precision) || | |
| 37 CASE atc.data_scale WHEN 0 THEN '' | |
| 38 ELSE ',' || TO_CHAR(atc.data_scale) END | |
| 39 ELSE TO_CHAR(atc.data_length) END | |
| 40 END || | |
| 41 CASE atc.data_type WHEN 'DATE' THEN '' ELSE ')' END | |
| 42 data_type | |
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43 FROM all_tab_columns atc |
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44 WHERE atc.table_name = :object_name |
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45 AND atc.owner = :owner |
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46 ORDER BY atc.column_id;""",), |
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47 'PROCEDURE': (""" |
| 80 | 48 argument_name, |
| 49 data_type, | |
| 50 in_out, | |
| 51 default_value | |
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52 FROM all_arguments |
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53 WHERE object_name = :object_name |
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54 AND owner = :owner |
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55 AND package_name IS NULL |
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56 AND argument_name IS NOT NULL |
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57 ORDER BY sequence;""",), |
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58 'PackageObjects':(""" |
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59 SELECT DISTINCT object_name |
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60 FROM all_arguments |
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61 WHERE package_name = :package_name |
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62 AND owner = :owner""",), |
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63 'PackageObjArgs':(""" |
| 80 | 64 object_name, |
| 65 argument_name, | |
| 66 data_type, | |
| 67 in_out, | |
| 68 default_value | |
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69 FROM all_arguments |
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70 WHERE package_name = :package_name |
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71 AND object_name = :object_name |
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72 AND owner = :owner |
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73 AND argument_name IS NOT NULL |
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74 ORDER BY sequence""",), |
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75 'TRIGGER':(""" |
| 80 | 76 description |
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77 FROM all_triggers |
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78 WHERE owner = :owner |
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79 AND trigger_name = :object_name |
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80 """, |
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81 """ |
| 80 | 82 table_owner, |
| 83 base_object_type, | |
| 84 table_name, | |
| 85 column_name, | |
| 86 when_clause, | |
| 87 status, | |
| 88 action_type, | |
| 89 crossedition | |
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90 FROM all_triggers |
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91 WHERE owner = :owner |
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92 AND trigger_name = :object_name |
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93 \\t |
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94 """, |
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95 ), |
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96 'INDEX':(""" |
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97 index_type, |
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98 table_owner, |
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99 table_name, |
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100 table_type, |
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101 uniqueness, |
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102 compression, |
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103 partitioned, |
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104 temporary, |
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105 generated, |
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106 secondary, |
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107 dropped, |
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108 visibility |
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109 FROM all_indexes |
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110 WHERE owner = :owner |
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111 AND index_name = :object_name |
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112 \\t |
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113 """,) |
| 80 | 114 } |
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115 descQueries['VIEW'] = descQueries['TABLE'] |
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116 descQueries['FUNCTION'] = descQueries['PROCEDURE'] |
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117 |
| 0 | 118 queries = { |
| 119 'resolve': """ | |
| 120 SELECT object_type, object_name, owner FROM ( | |
| 80 | 121 SELECT object_type, object_name, user owner, 1 priority |
| 122 FROM user_objects | |
| 123 WHERE object_name = :objName | |
| 124 UNION ALL | |
| 125 SELECT ao.object_type, ao.object_name, ao.owner, 2 priority | |
| 126 FROM all_objects ao | |
| 127 JOIN user_synonyms us ON (us.table_owner = ao.owner AND us.table_name = ao.object_name) | |
| 128 WHERE us.synonym_name = :objName | |
| 129 AND ao.object_type != 'SYNONYM' | |
| 130 UNION ALL | |
| 131 SELECT ao.object_type, ao.object_name, ao.owner, 3 priority | |
| 132 FROM all_objects ao | |
| 133 JOIN all_synonyms asyn ON (asyn.table_owner = ao.owner AND asyn.table_name = ao.object_name) | |
| 134 WHERE asyn.synonym_name = :objName | |
| 135 AND ao.object_type != 'SYNONYM' | |
| 136 AND asyn.owner = 'PUBLIC' | |
| 137 UNION ALL | |
| 138 SELECT 'DIRECTORY' object_type, dir.directory_name, dir.owner, 6 priority | |
| 139 FROM all_directories dir | |
| 140 WHERE dir.directory_name = :objName | |
| 141 UNION ALL | |
| 142 SELECT 'DATABASE LINK' object_type, db_link, owner, 7 priority | |
| 143 FROM all_db_links dbl | |
| 144 WHERE dbl.db_link = :objName | |
| 0 | 145 ) ORDER BY priority ASC""", |
| 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 |
| 81 | 190 from cmd2 import Cmd, make_option, options |
| 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 | |
| 327 pipeSeparator = Parser(pyparsing.SkipTo((pyparsing.Literal('|') ^ pyparsing.StringEnd()), include=True), retainSeparator=False) | |
| 328 bindScanner = Parser(pyparsing.Literal(':') + pyparsing.Word( pyparsing.alphanums + "_$#" )) | |
| 329 commandSeparator = Parser(pyparsing.SkipTo((pyparsing.Literal(';') ^ pyparsing.StringEnd()), include=True)) | |
| 330 | |
| 331 def findBinds(target, existingBinds, givenBindVars = {}): | |
| 332 result = givenBindVars | |
| 333 for finding, startat, endat in bindScanner.scanner.scanString(target): | |
| 334 varname = finding[1] | |
| 335 try: | |
| 336 result[varname] = existingBinds[varname] | |
| 337 except KeyError: | |
| 338 if not givenBindVars.has_key(varname): | |
| 339 print 'Bind variable %s not defined.' % (varname) | |
| 340 return result | |
| 80 | 341 |
| 0 | 342 class sqlpyPlus(sqlpython.sqlpython): |
|
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343 defaultExtension = 'sql' |
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344 shortcuts = {'?': 'help', '@': 'getrun', '!': 'shell', ':': 'setbind', '\\': 'psql'} |
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345 multilineCommands = '''select insert update delete tselect |
| 80 | 346 create drop alter'''.split() |
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347 defaultFileName = 'afiedt.buf' |
| 0 | 348 def __init__(self): |
| 349 sqlpython.sqlpython.__init__(self) | |
| 350 self.binds = CaselessDict() | |
| 351 self.sqlBuffer = [] | |
| 352 self.settable = ['maxtselctrows', 'maxfetch', 'autobind', 'failover', 'timeout'] # settables must be lowercase | |
| 353 self.stdoutBeforeSpool = sys.stdout | |
| 354 self.spoolFile = None | |
| 355 self.autobind = False | |
| 356 self.failover = False | |
| 357 def default(self, arg, do_everywhere=False): | |
| 358 sqlpython.sqlpython.default(self, arg, do_everywhere) | |
| 359 self.sqlBuffer.append(self.query) | |
| 360 | |
| 361 # overrides cmd's parseline | |
| 362 def parseline(self, line): | |
| 363 """Parse the line into a command name and a string containing | |
| 364 the arguments. Returns a tuple containing (command, args, line). | |
|
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365 'command' and 'args' may be None if the line couldn't be parsed. |
| 0 | 366 Overrides cmd.cmd.parseline to accept variety of shortcuts..""" |
| 80 | 367 |
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368 cmd, arg, line = sqlpython.sqlpython.parseline(self, line) |
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369 if cmd in ('select', 'sleect', 'insert', 'update', 'delete', 'describe', |
| 80 | 370 'desc', 'comments', 'pull', 'refs', 'desc', 'triggers', 'find') \ |
| 371 and not hasattr(self, 'curs'): | |
| 0 | 372 print 'Not connected.' |
| 373 return '', '', '' | |
| 374 return cmd, arg, line | |
| 80 | 375 |
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376 def onecmd_plus_hooks(self, line): |
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377 line = self.precmd(line) |
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378 stop = self.onecmd(line) |
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379 stop = self.postcmd(stop, line) |
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380 |
| 0 | 381 def do_shortcuts(self,arg): |
| 382 """Lists available first-character shortcuts | |
| 383 (i.e. '!dir' is equivalent to 'shell dir')""" | |
| 384 for (scchar, scto) in self.shortcuts.items(): | |
| 58 | 385 print '%s: %s' % (scchar, scto) |
| 0 | 386 |
| 387 def colnames(self): | |
| 388 return [d[0] for d in curs.description] | |
| 389 | |
| 390 def sql_format_itm(self, itm, needsquotes): | |
| 391 if itm is None: | |
| 392 return 'NULL' | |
| 393 if needsquotes: | |
| 394 return "'%s'" % str(itm) | |
| 395 return str(itm) | |
| 396 def output_as_insert_statements(self): | |
| 397 usequotes = [d[1] != cx_Oracle.NUMBER for d in self.curs.description] | |
| 398 def formatRow(row): | |
| 399 return ','.join(self.sql_format_itm(itm, useq) | |
| 400 for (itm, useq) in zip(row, usequotes)) | |
| 401 result = ['INSERT INTO %s (%s) VALUES (%s);' % | |
| 402 (self.tblname, ','.join(self.colnames), formatRow(row)) | |
| 403 for row in self.rows] | |
| 404 return '\n'.join(result) | |
| 80 | 405 |
| 0 | 406 def output_row_as_xml(self, row): |
| 407 result = [' <%s>\n %s\n </%s>' % | |
| 408 (colname.lower(), str('' if (itm is None) else itm), colname.lower()) | |
| 409 for (itm, colname) in zip(row, self.colnames)] | |
| 410 return '\n'.join(result) | |
| 411 def output_as_xml(self): | |
| 412 result = ['<%s>\n%s\n</%s>' % | |
| 413 (self.tblname, self.output_row_as_xml(row), self.tblname) | |
| 414 for row in self.rows] | |
| 415 return '\n'.join(result) | |
| 416 | |
| 417 def output_as_html_table(self): | |
| 418 result = ''.join('<th>%s</th>' % c for c in self.colnames) | |
| 419 result = [' <tr>\n %s\n </tr>' % result] | |
| 420 for row in self.rows: | |
| 421 result.append(' <tr>\n %s\n </tr>' % | |
| 422 (''.join('<td>%s</td>' % | |
| 423 str('' if (itm is None) else itm) | |
| 80 | 424 for itm in row))) |
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425 result = '''<table id="%s"> |
| 0 | 426 %s |
| 427 </table>''' % (self.tblname, '\n'.join(result)) | |
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428 return result |
| 0 | 429 |
| 430 def output_as_list(self, align): | |
| 431 result = [] | |
| 432 colnamelen = max(len(colname) for colname in self.colnames) + 1 | |
| 433 for (idx, row) in enumerate(self.rows): | |
| 434 result.append('\n**** Row: %d' % (idx+1)) | |
| 435 for (itm, colname) in zip(row, self.colnames): | |
| 436 if align: | |
| 437 colname = colname.ljust(colnamelen) | |
| 438 result.append('%s: %s' % (colname, itm)) | |
| 439 return '\n'.join(result) | |
| 440 | |
| 441 tableNameFinder = re.compile(r'from\s+([\w$#_"]+)', re.IGNORECASE | re.MULTILINE | re.DOTALL) | |
| 442 def output(self, outformat, rowlimit): | |
| 443 self.tblname = self.tableNameFinder.search(self.curs.statement).group(1) | |
| 444 self.colnames = [d[0] for d in self.curs.description] | |
| 445 if outformat == '\\i': | |
| 446 result = self.output_as_insert_statements() | |
| 447 elif outformat == '\\x': | |
| 448 result = self.output_as_xml() | |
| 449 elif outformat == '\\g': | |
| 450 result = self.output_as_list(align=False) | |
| 451 elif outformat == '\\G': | |
| 452 result = self.output_as_list(align=True) | |
| 453 elif outformat in ('\\s', '\\S', '\\c', '\\C'): #csv | |
| 454 result = [] | |
| 455 if outformat in ('\\s', '\\c'): | |
| 456 result.append(','.join('"%s"' % colname for colname in self.colnames)) | |
| 457 for row in self.rows: | |
| 458 result.append(','.join('"%s"' % ('' if itm is None else itm) for itm in row)) | |
| 459 result = '\n'.join(result) | |
| 460 elif outformat == '\\h': | |
| 461 result = self.output_as_html_table() | |
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462 elif outformat == '\\t': |
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463 rows = [self.colnames] |
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464 rows.extend(list(self.rows)) |
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465 transpr = [[rows[y][x] for y in range(len(rows))]for x in range(len(rows[0]))] # matrix transpose |
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466 newdesc = [['ROW N.'+str(y),10] for y in range(len(rows))] |
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467 for x in range(len(self.curs.description)): |
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468 if str(self.curs.description[x][1]) == "<type 'cx_Oracle.BINARY'>": # handles RAW columns |
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469 rname = transpr[x][0] |
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470 transpr[x] = map(binascii.b2a_hex, transpr[x]) |
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471 transpr[x][0] = rname |
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472 newdesc[0][0] = 'COLUMN NAME' |
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473 result = '\n' + sqlpython.pmatrix(transpr,newdesc) |
| 0 | 474 else: |
| 475 result = sqlpython.pmatrix(self.rows, self.curs.description, self.maxfetch) | |
| 476 return result | |
| 80 | 477 |
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478 statementEndPattern = re.compile(r'(.*)(;|\\[gGhtxicCsS])\s*(\d*)$', re.DOTALL | re.MULTILINE) |
| 45 | 479 # what about quote-enclosed? |
| 80 | 480 |
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481 def findTerminator(self, statement): |
|
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482 m = self.statementEndPattern.search(statement) |
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483 if m: |
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484 return m.groups() |
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485 else: |
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486 return statement, None, None |
| 80 | 487 |
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488 legalOracle = re.compile('[a-zA-Z_$#]') |
| 80 | 489 |
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490 def do_select(self, arg, bindVarsIn=None, override_terminator=None): |
| 0 | 491 """Fetch rows from a table. |
| 80 | 492 |
| 0 | 493 Limit the number of rows retrieved by appending |
| 494 an integer after the terminator | |
| 495 (example: SELECT * FROM mytable;10 ) | |
| 80 | 496 |
| 0 | 497 Output may be formatted by choosing an alternative terminator |
| 498 ("help terminators" for details) | |
| 499 """ | |
| 500 bindVarsIn = bindVarsIn or {} | |
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501 self.query = 'select ' + arg |
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502 (self.query, terminator, rowlimit) = self.findTerminator(self.query) |
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503 if override_terminator: |
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504 terminator = override_terminator |
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505 rowlimit = int(rowlimit or 0) |
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506 try: |
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507 self.varsUsed = findBinds(self.query, self.binds, bindVarsIn) |
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508 self.curs.execute(self.query, self.varsUsed) |
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509 self.rows = self.curs.fetchmany(min(self.maxfetch, (rowlimit or self.maxfetch))) |
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510 self.desc = self.curs.description |
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511 self.rc = self.curs.rowcount |
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512 if self.rc > 0: |
| 48 | 513 self.stdout.write('\n%s\n' % (self.output(terminator, rowlimit))) |
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514 if self.rc == 0: |
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515 print '\nNo rows Selected.\n' |
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516 elif self.rc == 1: |
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517 print '\n1 row selected.\n' |
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518 if self.autobind: |
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519 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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520 if len(self.desc) == 1: |
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521 self.binds['_'] = self.rows[0][0] |
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522 elif self.rc < self.maxfetch: |
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523 print '\n%d rows selected.\n' % self.rc |
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524 else: |
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525 print '\nSelected Max Num rows (%d)' % self.rc |
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526 except Exception, e: |
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527 print e |
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528 import traceback |
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529 traceback.print_exc(file=sys.stdout) |
| 0 | 530 self.sqlBuffer.append(self.query) |
| 531 | |
| 82 | 532 @options([make_option('-f', '--full', action='store_true', help='get dependent objects as well')]) |
| 81 | 533 def do_pull(self, arg, opts): |
| 534 """Displays source code.""" | |
| 80 | 535 |
|
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536 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
|
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537 if not object_type: |
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538 return |
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539 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
| 63 | 540 self.stdout.write(str(self.curs.callfunc('DBMS_METADATA.GET_DDL', cx_Oracle.CLOB, |
| 80 | 541 [object_type, object_name, owner]))) |
| 81 | 542 if opts.full: |
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543 for dependent_type in ('OBJECT_GRANT', 'CONSTRAINT', 'TRIGGER'): |
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544 try: |
| 63 | 545 self.stdout.write(str(self.curs.callfunc('DBMS_METADATA.GET_DEPENDENT_DDL', cx_Oracle.CLOB, |
| 80 | 546 [dependent_type, object_name, owner]))) |
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547 except cx_Oracle.DatabaseError: |
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548 pass |
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549 |
| 82 | 550 @options([make_option('-i', '--insensitive', action='store_true', help='case-insensitive search')]) |
| 81 | 551 def do_find(self, arg, opts): |
| 552 """Finds argument in source code.""" | |
| 80 | 553 |
| 81 | 554 if opts.insensitive: |
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555 searchfor = "LOWER(text)" |
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556 arg = arg.lower() |
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557 else: |
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558 searchfor = "text" |
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559 self.do_select("* from all_source where %s like '%%%s%%'" % (searchfor, arg)) |
| 80 | 560 |
| 83 | 561 @options([make_option('-a','--all',action='store_true', |
| 562 help='Describe all objects (not just my own)')]) | |
| 563 def do_describe(self, arg, opts): | |
| 0 | 564 "emulates SQL*Plus's DESCRIBE" |
| 83 | 565 |
| 566 if opts.all: | |
| 567 which_view = (', owner', 'all') | |
| 568 else: | |
| 569 which_view = ('', 'user') | |
| 80 | 570 |
| 77 | 571 if not arg: |
| 83 | 572 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 | 573 return |
| 0 | 574 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
| 77 | 575 if not object_type: |
| 83 | 576 if opts.all: |
| 577 self.do_select("""object_name, object_type%s FROM %s_objects | |
| 578 WHERE object_type IN ('TABLE','VIEW','INDEX') | |
| 579 AND object_name LIKE '%%%s%%' | |
| 580 ORDER BY object_name""" % | |
| 581 (which_view[0], which_view[1], arg.upper()) ) | |
| 77 | 582 return |
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583 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
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584 descQ = descQueries.get(object_type) |
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585 if descQ: |
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586 for q in descQ: |
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587 self.do_select(q,bindVarsIn={'object_name':object_name, 'owner':owner}) |
| 0 | 588 elif object_type == 'PACKAGE': |
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589 self.curs.execute(descQueries['PackageObjects'][0], {'package_name':object_name, 'owner':owner}) |
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590 packageContents = self.curs.fetchall() |
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591 for (packageObj_name,) in packageContents: |
| 0 | 592 print packageObj_name |
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593 self.do_select(descQueries['PackageObjArgs'][0],bindVarsIn={'package_name':object_name, 'owner':owner, 'object_name':packageObj_name}) |
| 0 | 594 do_desc = do_describe |
| 80 | 595 |
| 596 def do_deps(self, arg): | |
| 597 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) | |
| 598 if object_type == 'PACKAGE BODY': | |
| 599 q = "and (type != 'PACKAGE BODY' or name != :object_name)'" | |
| 600 object_type = 'PACKAGE' | |
| 601 else: | |
| 602 q = "" | |
| 603 q = """ name, | |
| 604 type | |
| 605 from user_dependencies | |
| 606 where | |
| 607 referenced_name like :object_name | |
| 608 and referenced_type like :object_type | |
| 609 and referenced_owner like :owner | |
| 610 %s""" % (q) | |
| 611 self.do_select(q, {'object_name':object_name, 'object_type':object_type, 'owner':owner}) | |
| 612 | |
| 0 | 613 def do_comments(self, arg): |
| 614 'Prints comments on a table and its columns.' | |
| 615 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) | |
| 616 if object_type: | |
| 617 self.curs.execute(queries['tabComments'],{'table_name':object_name, 'owner':owner}) | |
|
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618 self.stdout.write("%s %s.%s: %s\n" % (object_type, owner, object_name, self.curs.fetchone()[0])) |
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619 self.do_select(queries['colComments'],bindVarsIn={'owner':owner, 'object_name': object_name}) |
| 0 | 620 |
| 621 def resolve(self, identifier): | |
| 622 """Checks (my objects).name, (my synonyms).name, (public synonyms).name | |
| 623 to resolve a database object's name. """ | |
| 624 parts = identifier.split('.') | |
| 625 try: | |
| 626 if len(parts) == 2: | |
| 627 owner, object_name = parts | |
| 628 self.curs.execute('SELECT object_type FROM all_objects WHERE owner = :owner AND object_name = :object_name', | |
| 629 {'owner': owner, 'object_name': object_name}) | |
| 630 object_type = self.curs.fetchone()[0] | |
| 631 elif len(parts) == 1: | |
| 632 object_name = parts[0] | |
| 633 self.curs.execute(queries['resolve'], {'objName':object_name}) | |
| 634 object_type, object_name, owner = self.curs.fetchone() | |
| 635 except TypeError: | |
| 636 print 'Could not resolve object %s.' % identifier | |
| 637 object_type, owner, object_name = '', '', '' | |
| 638 return object_type, owner, object_name | |
| 639 | |
|
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640 def do_resolve(self, arg): |
|
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641 self.stdout.write(self.resolve(arg)+'\n') |
| 80 | 642 |
| 0 | 643 def spoolstop(self): |
| 644 if self.spoolFile: | |
| 645 sys.stdout = self.stdoutBeforeSpool | |
| 646 print 'Finished spooling to ', self.spoolFile.name | |
| 647 self.spoolFile.close() | |
| 648 self.spoolFile = None | |
| 80 | 649 |
| 0 | 650 def do_spool(self, arg): |
| 651 """spool [filename] - begins redirecting output to FILENAME.""" | |
| 652 self.spoolstop() | |
| 653 arg = arg.strip() | |
| 654 if not arg: | |
| 655 arg = 'output.lst' | |
| 656 if arg.lower() != 'off': | |
| 657 if '.' not in arg: | |
| 658 arg = '%s.lst' % arg | |
| 659 print 'Sending output to %s (until SPOOL OFF received)' % (arg) | |
| 660 self.spoolFile = open(arg, 'w') | |
| 661 sys.stdout = self.spoolFile | |
| 662 | |
| 663 def write(self, arg, fname): | |
| 664 originalOut = sys.stdout | |
| 665 f = open(fname, 'w') | |
| 666 sys.stdout = f | |
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667 self.onecmd_plus_hooks(arg) |
| 0 | 668 f.close() |
| 669 sys.stdout = originalOut | |
| 80 | 670 |
| 0 | 671 def do_write(self, args): |
| 672 'write [filename.extension] query - writes result to a file' | |
| 673 words = args.split(None, 1) | |
| 674 if len(words) > 1 and '.' in words[0]: | |
| 675 fname, command = words | |
| 676 else: | |
| 677 fname, command = 'output.txt', args | |
| 678 self.write(command, fname) | |
| 679 print 'Results written to %s' % os.path.join(os.getcwd(), fname) | |
| 80 | 680 |
| 0 | 681 def do_compare(self, args): |
| 682 """COMPARE query1 TO query2 - uses external tool to display differences. | |
| 80 | 683 |
| 58 | 684 Sorting is recommended to avoid false hits. |
| 685 Will attempt to use a graphical diff/merge tool like kdiff3, meld, or Araxis Merge, | |
| 686 if they are installed.""" | |
| 0 | 687 fnames = [] |
| 688 args2 = args.split(' to ') | |
| 689 for n in range(len(args2)): | |
| 690 query = args2[n] | |
| 691 fnames.append('compare%s.txt' % n) | |
| 692 if query.rstrip()[-1] != self.terminator: | |
| 693 query = '%s%s' % (query, self.terminator) | |
| 694 self.write(query, fnames[n]) | |
| 695 diffMergeSearcher.invoke(fnames[0], fnames[1]) | |
| 696 | |
| 697 bufferPosPattern = re.compile('\d+') | |
| 698 rangeIndicators = ('-',':') | |
|
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699 |
| 0 | 700 def do_getrun(self, fname): |
| 701 'Brings SQL commands from a file to the in-memory SQL buffer, and executes them.' | |
| 60 | 702 Cmd.do_load(self, fname) |
| 0 | 703 def do_psql(self, arg): |
| 704 '''Shortcut commands emulating psql's backslash commands. | |
| 80 | 705 |
| 0 | 706 \c connect |
| 707 \d desc | |
| 708 \e edit | |
| 709 \g run | |
| 710 \h help | |
| 711 \i getrun | |
| 712 \o spool | |
| 713 \p list | |
| 77 | 714 \q quit |
| 0 | 715 \w save |
| 61 | 716 \db _dir_tablespaces |
| 717 \dd comments | |
| 718 \dn _dir_schemas | |
| 719 \dt _dir_tables | |
| 720 \dv _dir_views | |
| 721 \di _dir_indexes | |
| 0 | 722 \? help psql''' |
| 723 commands = {} | |
| 724 for c in self.do_psql.__doc__.splitlines()[2:]: | |
| 725 (abbrev, command) = c.split(None, 1) | |
| 726 commands[abbrev[1:]] = command | |
| 727 words = arg.split(None,1) | |
| 80 | 728 try: |
| 729 abbrev = words[0] | |
| 730 except IndexError: | |
| 731 return | |
| 0 | 732 try: |
| 733 args = words[1] | |
| 734 except IndexError: | |
| 735 args = '' | |
| 736 try: | |
| 77 | 737 return self.onecmd('%s %s' % (commands[abbrev], args)) |
| 0 | 738 except KeyError: |
| 61 | 739 print 'psql command \%s not yet supported.' % abbrev |
| 77 | 740 |
| 83 | 741 @options([make_option('-a','--all',action='store_true', |
| 742 help='Describe all objects (not just my own)')]) | |
| 84 | 743 def do__dir_tables(self, arg, opts): |
| 83 | 744 if opts.all: |
| 745 which_view = (', owner', 'all') | |
| 746 else: | |
| 747 which_view = ('', 'user') | |
| 748 self.do_select("""table_name, 'TABLE' as type%s FROM %s_tables WHERE table_name LIKE '%%%s%%'""" % | |
| 749 (which_view[0], which_view[1], arg.upper())) | |
| 80 | 750 |
| 83 | 751 @options([make_option('-a','--all',action='store_true', |
| 752 help='Describe all objects (not just my own)')]) | |
| 84 | 753 def do__dir_views(self, arg, opts): |
| 83 | 754 if opts.all: |
| 755 which_view = (', owner', 'all') | |
| 756 else: | |
| 757 which_view = ('', 'user') | |
| 758 self.do_select("""view_name, 'VIEW' as type%s FROM %s_views WHERE view_name LIKE '%%%s%%'""" % | |
| 759 (which_view[0], which_view[1], arg.upper())) | |
| 61 | 760 |
| 83 | 761 @options([make_option('-a','--all',action='store_true', |
| 762 help='Describe all objects (not just my own)')]) | |
| 84 | 763 def do__dir_indexes(self, arg, opts): |
| 83 | 764 if opts.all: |
| 765 which_view = (', owner', 'all') | |
| 766 else: | |
| 767 which_view = ('', 'user') | |
| 768 self.do_select("""index_name, index_type%s FROM %s_indexes WHERE index_name LIKE '%%%s%%' OR table_name LIKE '%%%s%%'""" % | |
| 769 (which_view[0], which_view[1], arg.upper(), arg.upper())) | |
| 61 | 770 |
| 771 def do__dir_tablespaces(self, arg): | |
| 772 self.do_select("""tablespace_name, file_name from dba_data_files""") | |
| 773 | |
| 774 def do__dir_schemas(self, arg): | |
| 775 self.do_select("""owner, count(*) AS objects FROM all_objects GROUP BY owner ORDER BY owner""") | |
| 80 | 776 |
| 62 | 777 def do_head(self, arg): |
| 778 nrows = 10 | |
| 779 args = arg.split() | |
| 780 if len(args) > 1: | |
| 781 for a in args: | |
| 782 if a[0] == '-': | |
| 783 try: | |
| 784 nrows = int(a[1:]) | |
| 785 args.remove(a) | |
| 786 except: | |
| 787 pass | |
| 788 arg = ' '.join(args) | |
| 789 self.do_select('* from %s;%d' % (arg, nrows)) | |
| 80 | 790 |
| 0 | 791 def do_print(self, arg): |
| 792 'print VARNAME: Show current value of bind variable VARNAME.' | |
| 793 if arg: | |
| 794 if arg[0] == ':': | |
| 795 arg = arg[1:] | |
| 796 try: | |
|
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797 self.stdout.write(self.binds[arg]+'\n') |
| 0 | 798 except KeyError: |
|
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|
799 self.stdout.write('No bind variable %s\n' % arg) |
| 0 | 800 else: |
| 801 for (var, val) in self.binds.items(): | |
| 802 print ':%s = %s' % (var, val) | |
| 80 | 803 |
| 0 | 804 def do_setbind(self, arg): |
| 805 args = arg.split(None, 2) | |
| 72 | 806 if len(args) < 2: |
| 807 self.do_print(arg) | |
| 0 | 808 elif len(args) > 2 and args[1] in ('=',':='): |
| 809 var, val = args[0], args[2] | |
| 810 if val[0] == val[-1] == "'" and len(val) > 1: | |
| 80 | 811 self.binds[var] = val[1:-1] |
| 812 return | |
| 74 | 813 try: |
| 80 | 814 self.binds[var] = int(val) |
| 815 return | |
| 74 | 816 except ValueError: |
| 817 try: | |
| 80 | 818 self.binds[var] = float(val) |
| 819 return | |
| 74 | 820 except ValueError: |
| 80 | 821 try: |
| 822 self.binds[var] = self.curs.callfunc(val, []) | |
| 823 return | |
| 824 except: | |
| 825 pass | |
| 826 # TODO: fix | |
| 827 | |
| 828 print 'Could not parse ', args | |
| 829 | |
| 0 | 830 def do_exec(self, arg): |
| 831 if arg[0] == ':': | |
| 832 self.do_setbind(arg[1:]) | |
| 833 else: | |
| 71 | 834 try: |
| 835 self.curs.execute('begin\n%s;end;' % arg) | |
| 836 except Exception, e: | |
| 837 print e | |
| 838 ''' | |
| 839 exec :x := 'box' | |
| 840 exec :y := sysdate | |
| 841 ''' | |
|
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|
842 |
| 70 | 843 def anon_plsql(self, line1): |
| 844 lines = [line1] | |
| 845 while True: | |
| 846 line = self.pseudo_raw_input(self.continuationPrompt) | |
| 847 if line.strip() == '/': | |
| 848 try: | |
| 849 self.curs.execute('\n'.join(lines)) | |
| 850 except Exception, e: | |
| 851 print e | |
| 852 return | |
| 853 lines.append(line) | |
| 80 | 854 |
| 70 | 855 def do_begin(self, arg): |
| 856 self.anon_plsql('begin ' + arg) | |
| 857 | |
| 858 def do_declare(self, arg): | |
| 859 self.anon_plsql('declare ' + arg) | |
| 80 | 860 |
| 78 | 861 def do_create(self, arg): |
| 862 self.anon_plsql('create ' + arg) | |
| 863 | |
| 82 | 864 @options([make_option('-l', '--long', action='store_true', help='long descriptions')]) |
| 81 | 865 def do_ls(self, arg, opts): |
| 78 | 866 where = '' |
| 867 if arg: | |
| 868 where = """\nWHERE object_type || '/' || object_name | |
| 80 | 869 LIKE '%%%s%%'""" % (arg.upper().replace('*','%')) |
| 78 | 870 else: |
| 871 where = '' | |
| 872 result = [] | |
| 873 statement = '''SELECT object_type, object_name, | |
| 80 | 874 status, last_ddl_time |
| 875 FROM user_objects %s | |
| 876 ORDER BY object_type, object_name''' % (where) | |
| 78 | 877 self.curs.execute(statement) |
| 878 for (object_type, object_name, status, last_ddl_time) in self.curs.fetchall(): | |
| 81 | 879 if opts.long: |
| 78 | 880 result.append('%s\t%s\t%s/%s' % (status, last_ddl_time, object_type, object_name)) |
| 881 else: | |
| 882 result.append('%s/%s' % (object_type, object_name)) | |
| 883 self.stdout.write('\n'.join(result) + '\n') | |
| 80 | 884 |
|
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885 def do_cat(self, arg): |
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886 targets = arg.split() |
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887 for target in targets: |
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888 self.do_select('* from %s' % target) |
| 80 | 889 |
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890 def do_grep(self, arg): |
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891 """grep PATTERN TABLE - search for term in any of TABLE's fields""" |
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892 targets = arg.split() |
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893 pattern = targets.pop(0) |
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894 for target in targets: |
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895 target = target.rstrip(';') |
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896 sql = [] |
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897 try: |
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898 self.curs.execute('select * from %s where 1=0' % target) |
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899 sql = ' or '.join("%s LIKE '%%%s%%'" % (d[0], pattern) for d in self.curs.description) |
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900 sql = '* FROM %s WHERE %s' % (target, sql) |
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901 self.do_select(sql) |
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902 except Exception, e: |
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903 print e |
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904 import traceback |
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905 traceback.print_exc(file=sys.stdout) |
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906 |
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907 def do_refs(self, arg): |
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908 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
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909 if object_type == 'TABLE': |
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910 self.do_select(queries['refs'],bindVarsIn={'object_name':object_name, 'owner':owner}) |
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911 |
| 0 | 912 def _test(): |
| 913 import doctest | |
| 914 doctest.testmod() | |
| 80 | 915 |
| 0 | 916 if __name__ == "__main__": |
| 917 "Silent return implies that all unit tests succeeded. Use -v to see details." | |
| 918 _test() |