Mercurial > sqlpython
annotate sqlpyPlus.py @ 111:289b0a472b65
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| author | catherine@Elli.myhome.westell.com |
|---|---|
| date | Fri, 13 Jun 2008 15:53:03 -0400 |
| parents | 38ee1ca92801 |
| children | 5e57765073f4 6e346ae994b9 |
| rev | line source |
|---|---|
| 0 | 1 """sqlpyPlus - extra features (inspired by Oracle SQL*Plus) for Luca Canali's sqlpython.py |
| 2 | |
| 3 Features include: | |
| 4 - SQL*Plus-style bind variables | |
| 5 - Query result stored in special bind variable ":_" if one row, one item | |
| 6 - SQL buffer with list, run, ed, get, etc.; unlike SQL*Plus, buffer stores session's full history | |
| 7 - @script.sql loads and runs (like SQL*Plus) | |
| 8 - ! runs operating-system command | |
| 9 - show and set to control sqlpython parameters | |
| 10 - SQL*Plus-style describe, spool | |
| 11 - write sends query result directly to file | |
| 12 - comments shows table and column comments | |
| 13 - compare ... to ... graphically compares results of two queries | |
| 14 - commands are case-insensitive | |
| 80 | 15 |
| 0 | 16 Use 'help' within sqlpython for details. |
| 17 | |
| 18 Set bind variables the hard (SQL*Plus) way | |
| 19 exec :b = 3 | |
| 20 or with a python-like shorthand | |
| 21 :b = 3 | |
| 22 | |
| 23 - catherinedevlin.blogspot.com May 31, 2006 | |
| 24 """ | |
| 25 # note in cmd.cmd about supporting emacs commands? | |
| 26 | |
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27 descQueries = { |
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28 'TABLE': (""" |
| 80 | 29 atc.column_name, |
| 30 CASE atc.nullable WHEN 'Y' THEN 'NULL' ELSE 'NOT NULL' END "Null?", | |
| 31 atc.data_type || | |
| 32 CASE atc.data_type WHEN 'DATE' THEN '' | |
| 33 ELSE '(' || | |
| 34 CASE atc.data_type WHEN 'NUMBER' THEN TO_CHAR(atc.data_precision) || | |
| 35 CASE atc.data_scale WHEN 0 THEN '' | |
| 36 ELSE ',' || TO_CHAR(atc.data_scale) END | |
| 37 ELSE TO_CHAR(atc.data_length) END | |
| 38 END || | |
| 39 CASE atc.data_type WHEN 'DATE' THEN '' ELSE ')' END | |
| 40 data_type | |
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41 FROM all_tab_columns atc |
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42 WHERE atc.table_name = :object_name |
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43 AND atc.owner = :owner |
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44 ORDER BY atc.column_id;""",), |
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45 'PROCEDURE': (""" |
| 80 | 46 argument_name, |
| 47 data_type, | |
| 48 in_out, | |
| 49 default_value | |
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50 FROM all_arguments |
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51 WHERE object_name = :object_name |
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52 AND owner = :owner |
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53 AND package_name IS NULL |
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54 AND argument_name IS NOT 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 | |
| 0 | 143 ) ORDER BY priority ASC""", |
| 144 'tabComments': """ | |
| 145 SELECT comments | |
| 146 FROM all_tab_comments | |
| 147 WHERE owner = :owner | |
| 148 AND table_name = :table_name""", | |
| 149 'colComments': """ | |
| 150 atc.column_name, | |
| 80 | 151 acc.comments |
| 0 | 152 FROM all_tab_columns atc |
| 153 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
| 154 WHERE atc.table_name = :object_name | |
| 155 AND atc.owner = :owner | |
| 156 ORDER BY atc.column_id;""", | |
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157 #thanks to Senora.pm for "refs" |
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158 'refs': """ |
| 80 | 159 NULL referenced_by, |
| 160 c2.table_name references, | |
| 161 c1.constraint_name constraint | |
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162 FROM |
| 80 | 163 user_constraints c1, |
| 164 user_constraints c2 | |
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165 WHERE |
| 80 | 166 c1.table_name = :object_name |
| 167 and c1.constraint_type ='R' | |
| 168 and c1.r_constraint_name = c2.constraint_name | |
| 169 and c1.r_owner = c2.owner | |
| 170 and c1.owner = :owner | |
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171 UNION |
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172 SELECT c1.table_name referenced_by, |
| 80 | 173 NULL references, |
| 174 c1.constraint_name constraint | |
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175 FROM |
| 80 | 176 user_constraints c1, |
| 177 user_constraints c2 | |
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178 WHERE |
| 80 | 179 c2.table_name = :object_name |
| 180 and c1.constraint_type ='R' | |
| 181 and c1.r_constraint_name = c2.constraint_name | |
| 182 and c1.r_owner = c2.owner | |
| 183 and c1.owner = :owner | |
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184 """ |
| 0 | 185 } |
| 186 | |
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187 import sys, os, re, sqlpython, cx_Oracle, pyparsing |
| 81 | 188 from cmd2 import Cmd, make_option, options |
| 0 | 189 |
| 190 if float(sys.version[:3]) < 2.3: | |
| 191 def enumerate(lst): | |
| 192 return zip(range(len(lst)), lst) | |
| 80 | 193 |
| 0 | 194 class SoftwareSearcher(object): |
| 195 def __init__(self, softwareList, purpose): | |
| 196 self.softwareList = softwareList | |
| 197 self.purpose = purpose | |
| 198 self.software = None | |
| 199 def invoke(self, *args): | |
| 200 if not self.software: | |
| 201 (self.software, self.invokeString) = self.find() | |
| 202 argTuple = tuple([self.software] + list(args)) | |
| 203 os.system(self.invokeString % argTuple) | |
| 204 def find(self): | |
| 205 if self.purpose == 'text editor': | |
| 206 software = os.environ.get('EDITOR') | |
| 207 if software: | |
| 208 return (software, '%s %s') | |
| 209 for (n, (software, invokeString)) in enumerate(self.softwareList): | |
| 210 if os.path.exists(software): | |
| 211 if n > (len(self.softwareList) * 0.7): | |
| 212 print """ | |
| 80 | 213 |
| 214 Using %s. Note that there are better options available for %s, | |
| 215 but %s couldn't find a better one in your PATH. | |
| 216 Feel free to open up %s | |
| 217 and customize it to find your favorite %s program. | |
| 218 | |
| 219 """ % (software, self.purpose, __file__, __file__, self.purpose) | |
| 0 | 220 return (software, invokeString) |
| 221 stem = os.path.split(software)[1] | |
| 222 for p in os.environ['PATH'].split(os.pathsep): | |
| 223 if os.path.exists(os.sep.join([p, stem])): | |
| 224 return (stem, invokeString) | |
| 225 raise (OSError, """Could not find any %s programs. You will need to install one, | |
| 80 | 226 or customize %s to make it aware of yours. |
| 227 Looked for these programs: | |
| 228 %s""" % (self.purpose, __file__, "\n".join([s[0] for s in self.softwareList]))) | |
| 0 | 229 #v2.4: %s""" % (self.purpose, __file__, "\n".join(s[0] for s in self.softwareList))) |
| 230 | |
| 231 softwareLists = { | |
| 232 'diff/merge': [ | |
| 80 | 233 ('/usr/bin/meld',"%s %s %s"), |
| 234 ('/usr/bin/kdiff3',"%s %s %s"), | |
| 235 (r'C:\Program Files\Araxis\Araxis Merge v6.5\Merge.exe','"%s" %s %s'), | |
| 236 (r'C:\Program Files\TortoiseSVN\bin\TortoiseMerge.exe', '"%s" /base:"%s" /mine:"%s"'), | |
| 237 ('FileMerge','%s %s %s'), | |
| 238 ('kompare','%s %s %s'), | |
| 239 ('WinMerge','%s %s %s'), | |
| 240 ('xxdiff','%s %s %s'), | |
| 241 ('fldiff','%s %s %s'), | |
| 242 ('gtkdiff','%s %s %s'), | |
| 243 ('tkdiff','%s %s %s'), | |
| 244 ('gvimdiff','%s %s %s'), | |
| 245 ('diff',"%s %s %s"), | |
| 246 (r'c:\windows\system32\comp.exe',"%s %s %s")], | |
| 247 'text editor': [ | |
| 248 ('gedit', '%s %s'), | |
| 249 ('textpad', '%s %s'), | |
| 250 ('notepad.exe', '%s %s'), | |
| 251 ('pico', '%s %s'), | |
| 252 ('emacs', '%s %s'), | |
| 253 ('vim', '%s %s'), | |
| 254 ('vi', '%s %s'), | |
| 255 ('ed', '%s %s'), | |
| 256 ('edlin', '%s %s') | |
| 257 ] | |
| 0 | 258 } |
| 259 | |
| 260 diffMergeSearcher = SoftwareSearcher(softwareLists['diff/merge'],'diff/merge') | |
| 261 editSearcher = SoftwareSearcher(softwareLists['text editor'], 'text editor') | |
| 262 editor = os.environ.get('EDITOR') | |
| 263 if editor: | |
| 264 editSearcher.find = lambda: (editor, "%s %s") | |
| 265 | |
| 266 class CaselessDict(dict): | |
| 267 """dict with case-insensitive keys. | |
| 268 | |
| 269 Posted to ASPN Python Cookbook by Jeff Donner - http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66315""" | |
| 270 def __init__(self, other=None): | |
| 271 if other: | |
| 272 # Doesn't do keyword args | |
| 273 if isinstance(other, dict): | |
| 274 for k,v in other.items(): | |
| 275 dict.__setitem__(self, k.lower(), v) | |
| 276 else: | |
| 277 for k,v in other: | |
| 278 dict.__setitem__(self, k.lower(), v) | |
| 279 def __getitem__(self, key): | |
| 280 return dict.__getitem__(self, key.lower()) | |
| 281 def __setitem__(self, key, value): | |
| 282 dict.__setitem__(self, key.lower(), value) | |
| 283 def __contains__(self, key): | |
| 284 return dict.__contains__(self, key.lower()) | |
| 285 def has_key(self, key): | |
| 286 return dict.has_key(self, key.lower()) | |
| 287 def get(self, key, def_val=None): | |
| 288 return dict.get(self, key.lower(), def_val) | |
| 289 def setdefault(self, key, def_val=None): | |
| 290 return dict.setdefault(self, key.lower(), def_val) | |
| 291 def update(self, other): | |
| 292 for k,v in other.items(): | |
| 293 dict.__setitem__(self, k.lower(), v) | |
| 294 def fromkeys(self, iterable, value=None): | |
| 295 d = CaselessDict() | |
| 296 for k in iterable: | |
| 297 dict.__setitem__(d, k.lower(), value) | |
| 298 return d | |
| 299 def pop(self, key, def_val=None): | |
| 300 return dict.pop(self, key.lower(), def_val) | |
| 301 | |
| 302 class Parser(object): | |
| 303 comment_def = "--" + pyparsing.ZeroOrMore(pyparsing.CharsNotIn("\n")) | |
| 304 def __init__(self, scanner, retainSeparator=True): | |
| 305 self.scanner = scanner | |
| 306 self.scanner.ignore(pyparsing.sglQuotedString) | |
| 307 self.scanner.ignore(pyparsing.dblQuotedString) | |
| 308 self.scanner.ignore(self.comment_def) | |
| 309 self.scanner.ignore(pyparsing.cStyleComment) | |
| 310 self.retainSeparator = retainSeparator | |
| 311 def separate(self, txt): | |
| 312 itms = [] | |
| 313 for (sqlcommand, start, end) in self.scanner.scanString(txt): | |
| 314 if sqlcommand: | |
| 315 if type(sqlcommand[0]) == pyparsing.ParseResults: | |
| 316 if self.retainSeparator: | |
| 317 itms.append("".join(sqlcommand[0])) | |
| 318 else: | |
| 319 itms.append(sqlcommand[0][0]) | |
| 320 else: | |
| 321 if sqlcommand[0]: | |
| 322 itms.append(sqlcommand[0]) | |
| 323 return itms | |
| 324 | |
| 325 bindScanner = Parser(pyparsing.Literal(':') + pyparsing.Word( pyparsing.alphanums + "_$#" )) | |
| 326 | |
| 327 def findBinds(target, existingBinds, givenBindVars = {}): | |
| 328 result = givenBindVars | |
| 329 for finding, startat, endat in bindScanner.scanner.scanString(target): | |
| 330 varname = finding[1] | |
| 331 try: | |
| 332 result[varname] = existingBinds[varname] | |
| 333 except KeyError: | |
| 334 if not givenBindVars.has_key(varname): | |
| 335 print 'Bind variable %s not defined.' % (varname) | |
| 336 return result | |
| 80 | 337 |
| 0 | 338 class sqlpyPlus(sqlpython.sqlpython): |
|
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339 defaultExtension = 'sql' |
| 92 | 340 sqlpython.sqlpython.shortcuts.update({':': 'setbind', '\\': 'psql', '@': '_load'}) |
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341 multilineCommands = '''select insert update delete tselect |
| 80 | 342 create drop alter'''.split() |
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343 defaultFileName = 'afiedt.buf' |
| 0 | 344 def __init__(self): |
| 345 sqlpython.sqlpython.__init__(self) | |
| 346 self.binds = CaselessDict() | |
| 347 self.sqlBuffer = [] | |
| 348 self.settable = ['maxtselctrows', 'maxfetch', 'autobind', 'failover', 'timeout'] # settables must be lowercase | |
| 349 self.stdoutBeforeSpool = sys.stdout | |
| 350 self.spoolFile = None | |
| 351 self.autobind = False | |
| 352 self.failover = False | |
| 353 def default(self, arg, do_everywhere=False): | |
| 354 sqlpython.sqlpython.default(self, arg, do_everywhere) | |
| 355 self.sqlBuffer.append(self.query) | |
| 356 | |
| 357 # overrides cmd's parseline | |
| 358 def parseline(self, line): | |
| 359 """Parse the line into a command name and a string containing | |
| 360 the arguments. Returns a tuple containing (command, args, line). | |
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361 'command' and 'args' may be None if the line couldn't be parsed. |
| 0 | 362 Overrides cmd.cmd.parseline to accept variety of shortcuts..""" |
| 80 | 363 |
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364 cmd, arg, line = sqlpython.sqlpython.parseline(self, line) |
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365 if cmd in ('select', 'sleect', 'insert', 'update', 'delete', 'describe', |
| 80 | 366 'desc', 'comments', 'pull', 'refs', 'desc', 'triggers', 'find') \ |
| 367 and not hasattr(self, 'curs'): | |
| 0 | 368 print 'Not connected.' |
| 369 return '', '', '' | |
| 370 return cmd, arg, line | |
| 92 | 371 |
| 372 do__load = Cmd.do_load | |
| 80 | 373 |
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374 def onecmd_plus_hooks(self, line): |
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375 line = self.precmd(line) |
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376 stop = self.onecmd(line) |
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377 stop = self.postcmd(stop, line) |
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378 |
| 0 | 379 def do_shortcuts(self,arg): |
| 380 """Lists available first-character shortcuts | |
| 381 (i.e. '!dir' is equivalent to 'shell dir')""" | |
| 382 for (scchar, scto) in self.shortcuts.items(): | |
| 58 | 383 print '%s: %s' % (scchar, scto) |
| 0 | 384 |
| 385 def colnames(self): | |
| 386 return [d[0] for d in curs.description] | |
| 387 | |
| 388 def sql_format_itm(self, itm, needsquotes): | |
| 389 if itm is None: | |
| 390 return 'NULL' | |
| 391 if needsquotes: | |
| 392 return "'%s'" % str(itm) | |
| 393 return str(itm) | |
| 105 | 394 def str_or_empty(self, itm): |
| 395 if itm is None: | |
| 396 return '' | |
| 397 return str(itm) | |
| 0 | 398 def output_as_insert_statements(self): |
| 399 usequotes = [d[1] != cx_Oracle.NUMBER for d in self.curs.description] | |
| 400 def formatRow(row): | |
| 401 return ','.join(self.sql_format_itm(itm, useq) | |
| 402 for (itm, useq) in zip(row, usequotes)) | |
| 403 result = ['INSERT INTO %s (%s) VALUES (%s);' % | |
| 404 (self.tblname, ','.join(self.colnames), formatRow(row)) | |
| 405 for row in self.rows] | |
| 406 return '\n'.join(result) | |
| 80 | 407 |
| 0 | 408 def output_row_as_xml(self, row): |
| 409 result = [' <%s>\n %s\n </%s>' % | |
| 105 | 410 (colname.lower(), self.str_or_empty(itm), colname.lower()) |
| 0 | 411 for (itm, colname) in zip(row, self.colnames)] |
| 412 return '\n'.join(result) | |
| 413 def output_as_xml(self): | |
| 414 result = ['<%s>\n%s\n</%s>' % | |
| 415 (self.tblname, self.output_row_as_xml(row), self.tblname) | |
| 416 for row in self.rows] | |
| 417 return '\n'.join(result) | |
|
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418 |
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419 html_template = """<html> |
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420 <head> |
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421 <title py:content="tblname">Table Name</title> |
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422 </head> |
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423 <body> |
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424 <table py:attr={'id':tblname}> |
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425 <tr> |
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426 <th py:for="colname in colnames"> |
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427 <span py:replace="colname">Column Name</span> |
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428 </th> |
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429 </tr> |
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430 <tr py:for="row in rows"> |
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431 <td py:for="itm in row"> |
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432 <span py:replace="str_or_empty(itm)">Value</span> |
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433 </td> |
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434 </tr> |
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435 </table> |
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436 </body> |
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437 </html>""" |
| 0 | 438 def output_as_html_table(self): |
| 439 result = ''.join('<th>%s</th>' % c for c in self.colnames) | |
| 440 result = [' <tr>\n %s\n </tr>' % result] | |
| 441 for row in self.rows: | |
| 442 result.append(' <tr>\n %s\n </tr>' % | |
| 443 (''.join('<td>%s</td>' % | |
| 105 | 444 self.str_or_empty(itm) |
| 80 | 445 for itm in row))) |
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446 result = '''<table id="%s"> |
| 0 | 447 %s |
| 448 </table>''' % (self.tblname, '\n'.join(result)) | |
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449 return result |
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450 |
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451 #TODO: use serious templating to make these user-tweakable |
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452 |
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453 def output_as_markup(self, genshi_template): |
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454 return None |
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455 #self.tblname, self.colnames, self.rows |
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456 |
| 0 | 457 def output_as_list(self, align): |
| 458 result = [] | |
| 459 colnamelen = max(len(colname) for colname in self.colnames) + 1 | |
| 460 for (idx, row) in enumerate(self.rows): | |
| 461 result.append('\n**** Row: %d' % (idx+1)) | |
| 462 for (itm, colname) in zip(row, self.colnames): | |
| 463 if align: | |
| 464 colname = colname.ljust(colnamelen) | |
| 465 result.append('%s: %s' % (colname, itm)) | |
| 466 return '\n'.join(result) | |
| 467 | |
| 468 tableNameFinder = re.compile(r'from\s+([\w$#_"]+)', re.IGNORECASE | re.MULTILINE | re.DOTALL) | |
| 469 def output(self, outformat, rowlimit): | |
| 470 self.tblname = self.tableNameFinder.search(self.curs.statement).group(1) | |
| 471 self.colnames = [d[0] for d in self.curs.description] | |
| 472 if outformat == '\\i': | |
| 473 result = self.output_as_insert_statements() | |
| 474 elif outformat == '\\x': | |
| 475 result = self.output_as_xml() | |
| 476 elif outformat == '\\g': | |
| 477 result = self.output_as_list(align=False) | |
| 478 elif outformat == '\\G': | |
| 479 result = self.output_as_list(align=True) | |
| 480 elif outformat in ('\\s', '\\S', '\\c', '\\C'): #csv | |
| 481 result = [] | |
| 482 if outformat in ('\\s', '\\c'): | |
| 483 result.append(','.join('"%s"' % colname for colname in self.colnames)) | |
| 484 for row in self.rows: | |
| 106 | 485 result.append(','.join('"%s"' % self.str_or_empty(itm) for itm in row)) |
| 0 | 486 result = '\n'.join(result) |
| 487 elif outformat == '\\h': | |
| 488 result = self.output_as_html_table() | |
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489 elif outformat == '\\t': |
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490 rows = [self.colnames] |
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491 rows.extend(list(self.rows)) |
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492 transpr = [[rows[y][x] for y in range(len(rows))]for x in range(len(rows[0]))] # matrix transpose |
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493 newdesc = [['ROW N.'+str(y),10] for y in range(len(rows))] |
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494 for x in range(len(self.curs.description)): |
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495 if str(self.curs.description[x][1]) == "<type 'cx_Oracle.BINARY'>": # handles RAW columns |
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496 rname = transpr[x][0] |
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497 transpr[x] = map(binascii.b2a_hex, transpr[x]) |
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498 transpr[x][0] = rname |
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499 newdesc[0][0] = 'COLUMN NAME' |
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500 result = '\n' + sqlpython.pmatrix(transpr,newdesc) |
| 0 | 501 else: |
| 502 result = sqlpython.pmatrix(self.rows, self.curs.description, self.maxfetch) | |
| 503 return result | |
| 80 | 504 |
| 89 | 505 statementEndPattern = re.compile(r'(.*)(;|\\[gGhtxicCsS])\s*(\d*)\s*$', re.DOTALL | re.MULTILINE) |
| 45 | 506 # what about quote-enclosed? |
| 80 | 507 |
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508 def findTerminator(self, statement): |
|
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509 m = self.statementEndPattern.search(statement) |
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510 if m: |
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511 return m.groups() |
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512 else: |
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513 return statement, None, None |
| 80 | 514 |
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515 legalOracle = re.compile('[a-zA-Z_$#]') |
| 80 | 516 |
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517 def do_select(self, arg, bindVarsIn=None, override_terminator=None): |
| 0 | 518 """Fetch rows from a table. |
| 80 | 519 |
| 0 | 520 Limit the number of rows retrieved by appending |
| 521 an integer after the terminator | |
| 522 (example: SELECT * FROM mytable;10 ) | |
| 80 | 523 |
| 0 | 524 Output may be formatted by choosing an alternative terminator |
| 525 ("help terminators" for details) | |
| 526 """ | |
| 527 bindVarsIn = bindVarsIn or {} | |
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528 self.query = 'select ' + arg |
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529 (self.query, terminator, rowlimit) = self.findTerminator(self.query) |
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530 if override_terminator: |
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531 terminator = override_terminator |
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532 rowlimit = int(rowlimit or 0) |
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533 try: |
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534 self.varsUsed = findBinds(self.query, self.binds, bindVarsIn) |
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535 self.curs.execute(self.query, self.varsUsed) |
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536 self.rows = self.curs.fetchmany(min(self.maxfetch, (rowlimit or self.maxfetch))) |
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537 self.desc = self.curs.description |
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538 self.rc = self.curs.rowcount |
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539 if self.rc > 0: |
| 48 | 540 self.stdout.write('\n%s\n' % (self.output(terminator, rowlimit))) |
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541 if self.rc == 0: |
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542 print '\nNo rows Selected.\n' |
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543 elif self.rc == 1: |
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544 print '\n1 row selected.\n' |
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545 if self.autobind: |
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546 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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547 if len(self.desc) == 1: |
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548 self.binds['_'] = self.rows[0][0] |
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549 elif self.rc < self.maxfetch: |
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550 print '\n%d rows selected.\n' % self.rc |
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551 else: |
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552 print '\nSelected Max Num rows (%d)' % self.rc |
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553 except Exception, e: |
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554 print e |
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555 import traceback |
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556 traceback.print_exc(file=sys.stdout) |
| 0 | 557 self.sqlBuffer.append(self.query) |
| 558 | |
| 82 | 559 @options([make_option('-f', '--full', action='store_true', help='get dependent objects as well')]) |
| 81 | 560 def do_pull(self, arg, opts): |
| 561 """Displays source code.""" | |
| 80 | 562 |
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563 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
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564 if not object_type: |
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565 return |
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566 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
| 63 | 567 self.stdout.write(str(self.curs.callfunc('DBMS_METADATA.GET_DDL', cx_Oracle.CLOB, |
| 80 | 568 [object_type, object_name, owner]))) |
| 81 | 569 if opts.full: |
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570 for dependent_type in ('OBJECT_GRANT', 'CONSTRAINT', 'TRIGGER'): |
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571 try: |
| 63 | 572 self.stdout.write(str(self.curs.callfunc('DBMS_METADATA.GET_DEPENDENT_DDL', cx_Oracle.CLOB, |
| 80 | 573 [dependent_type, object_name, owner]))) |
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574 except cx_Oracle.DatabaseError: |
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575 pass |
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576 |
| 82 | 577 @options([make_option('-i', '--insensitive', action='store_true', help='case-insensitive search')]) |
| 81 | 578 def do_find(self, arg, opts): |
| 579 """Finds argument in source code.""" | |
| 80 | 580 |
| 81 | 581 if opts.insensitive: |
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582 searchfor = "LOWER(text)" |
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583 arg = arg.lower() |
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584 else: |
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585 searchfor = "text" |
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586 self.do_select("* from all_source where %s like '%%%s%%'" % (searchfor, arg)) |
| 80 | 587 |
| 83 | 588 @options([make_option('-a','--all',action='store_true', |
| 589 help='Describe all objects (not just my own)')]) | |
| 590 def do_describe(self, arg, opts): | |
| 0 | 591 "emulates SQL*Plus's DESCRIBE" |
| 83 | 592 |
| 593 if opts.all: | |
| 594 which_view = (', owner', 'all') | |
| 595 else: | |
| 596 which_view = ('', 'user') | |
| 80 | 597 |
| 77 | 598 if not arg: |
| 83 | 599 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 | 600 return |
| 0 | 601 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
| 77 | 602 if not object_type: |
| 87 | 603 self.do_select("""object_name, object_type%s FROM %s_objects |
| 604 WHERE object_type IN ('TABLE','VIEW','INDEX') | |
| 605 AND object_name LIKE '%%%s%%' | |
| 606 ORDER BY object_name""" % | |
| 607 (which_view[0], which_view[1], arg.upper()) ) | |
| 77 | 608 return |
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609 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
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610 descQ = descQueries.get(object_type) |
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611 if descQ: |
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612 for q in descQ: |
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613 self.do_select(q,bindVarsIn={'object_name':object_name, 'owner':owner}) |
| 0 | 614 elif object_type == 'PACKAGE': |
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615 self.curs.execute(descQueries['PackageObjects'][0], {'package_name':object_name, 'owner':owner}) |
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616 packageContents = self.curs.fetchall() |
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617 for (packageObj_name,) in packageContents: |
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618 self.stdout.write(packageObj_name + '\n') |
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619 self.do_select(descQueries['PackageObjArgs'][0],bindVarsIn={'package_name':object_name, 'owner':owner, 'object_name':packageObj_name}) |
| 0 | 620 do_desc = do_describe |
| 80 | 621 |
| 622 def do_deps(self, arg): | |
| 623 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) | |
| 624 if object_type == 'PACKAGE BODY': | |
| 625 q = "and (type != 'PACKAGE BODY' or name != :object_name)'" | |
| 626 object_type = 'PACKAGE' | |
| 627 else: | |
| 628 q = "" | |
| 629 q = """ name, | |
| 630 type | |
| 631 from user_dependencies | |
| 632 where | |
| 633 referenced_name like :object_name | |
| 634 and referenced_type like :object_type | |
| 635 and referenced_owner like :owner | |
| 636 %s""" % (q) | |
| 637 self.do_select(q, {'object_name':object_name, 'object_type':object_type, 'owner':owner}) | |
| 638 | |
| 0 | 639 def do_comments(self, arg): |
| 640 'Prints comments on a table and its columns.' | |
| 641 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) | |
| 642 if object_type: | |
| 643 self.curs.execute(queries['tabComments'],{'table_name':object_name, 'owner':owner}) | |
|
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644 self.stdout.write("%s %s.%s: %s\n" % (object_type, owner, object_name, self.curs.fetchone()[0])) |
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645 self.do_select(queries['colComments'],bindVarsIn={'owner':owner, 'object_name': object_name}) |
| 0 | 646 |
| 647 def resolve(self, identifier): | |
| 648 """Checks (my objects).name, (my synonyms).name, (public synonyms).name | |
| 649 to resolve a database object's name. """ | |
| 650 parts = identifier.split('.') | |
| 651 try: | |
| 652 if len(parts) == 2: | |
| 653 owner, object_name = parts | |
| 654 self.curs.execute('SELECT object_type FROM all_objects WHERE owner = :owner AND object_name = :object_name', | |
| 655 {'owner': owner, 'object_name': object_name}) | |
| 656 object_type = self.curs.fetchone()[0] | |
| 657 elif len(parts) == 1: | |
| 658 object_name = parts[0] | |
| 659 self.curs.execute(queries['resolve'], {'objName':object_name}) | |
| 660 object_type, object_name, owner = self.curs.fetchone() | |
| 661 except TypeError: | |
| 662 print 'Could not resolve object %s.' % identifier | |
| 663 object_type, owner, object_name = '', '', '' | |
| 664 return object_type, owner, object_name | |
| 665 | |
|
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666 def do_resolve(self, arg): |
|
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667 self.stdout.write(self.resolve(arg)+'\n') |
| 80 | 668 |
| 0 | 669 def spoolstop(self): |
| 670 if self.spoolFile: | |
| 88 | 671 self.stdout = self.stdoutBeforeSpool |
| 0 | 672 print 'Finished spooling to ', self.spoolFile.name |
| 673 self.spoolFile.close() | |
| 674 self.spoolFile = None | |
| 80 | 675 |
| 0 | 676 def do_spool(self, arg): |
| 677 """spool [filename] - begins redirecting output to FILENAME.""" | |
| 678 self.spoolstop() | |
| 679 arg = arg.strip() | |
| 680 if not arg: | |
| 681 arg = 'output.lst' | |
| 682 if arg.lower() != 'off': | |
| 683 if '.' not in arg: | |
| 684 arg = '%s.lst' % arg | |
| 685 print 'Sending output to %s (until SPOOL OFF received)' % (arg) | |
| 686 self.spoolFile = open(arg, 'w') | |
| 88 | 687 self.stdout = self.spoolFile |
| 80 | 688 |
| 0 | 689 def do_write(self, args): |
| 88 | 690 print 'Use (query) > outfilename instead.' |
| 691 return | |
| 80 | 692 |
| 0 | 693 def do_compare(self, args): |
| 694 """COMPARE query1 TO query2 - uses external tool to display differences. | |
| 80 | 695 |
| 58 | 696 Sorting is recommended to avoid false hits. |
| 697 Will attempt to use a graphical diff/merge tool like kdiff3, meld, or Araxis Merge, | |
| 698 if they are installed.""" | |
| 0 | 699 fnames = [] |
| 700 args2 = args.split(' to ') | |
| 88 | 701 if len(args2) < 2: |
| 702 print self.do_compare.__doc__ | |
| 703 return | |
| 0 | 704 for n in range(len(args2)): |
| 705 query = args2[n] | |
| 706 fnames.append('compare%s.txt' % n) | |
| 707 if query.rstrip()[-1] != self.terminator: | |
| 708 query = '%s%s' % (query, self.terminator) | |
| 88 | 709 self.onecmd_plus_hooks('%s > %s' % (query, fnames[n])) |
| 0 | 710 diffMergeSearcher.invoke(fnames[0], fnames[1]) |
| 711 | |
| 712 bufferPosPattern = re.compile('\d+') | |
| 713 rangeIndicators = ('-',':') | |
|
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714 |
| 0 | 715 def do_psql(self, arg): |
| 716 '''Shortcut commands emulating psql's backslash commands. | |
| 80 | 717 |
| 0 | 718 \c connect |
| 719 \d desc | |
| 720 \e edit | |
| 721 \g run | |
| 722 \h help | |
| 92 | 723 \i load |
| 0 | 724 \o spool |
| 725 \p list | |
| 77 | 726 \q quit |
| 0 | 727 \w save |
| 61 | 728 \db _dir_tablespaces |
| 729 \dd comments | |
| 730 \dn _dir_schemas | |
| 731 \dt _dir_tables | |
| 732 \dv _dir_views | |
| 733 \di _dir_indexes | |
| 0 | 734 \? help psql''' |
| 735 commands = {} | |
| 736 for c in self.do_psql.__doc__.splitlines()[2:]: | |
| 737 (abbrev, command) = c.split(None, 1) | |
| 738 commands[abbrev[1:]] = command | |
| 739 words = arg.split(None,1) | |
| 80 | 740 try: |
| 741 abbrev = words[0] | |
| 742 except IndexError: | |
| 743 return | |
| 0 | 744 try: |
| 745 args = words[1] | |
| 746 except IndexError: | |
| 747 args = '' | |
| 748 try: | |
| 77 | 749 return self.onecmd('%s %s' % (commands[abbrev], args)) |
| 0 | 750 except KeyError: |
| 61 | 751 print 'psql command \%s not yet supported.' % abbrev |
| 77 | 752 |
| 83 | 753 @options([make_option('-a','--all',action='store_true', |
| 754 help='Describe all objects (not just my own)')]) | |
| 84 | 755 def do__dir_tables(self, arg, opts): |
| 83 | 756 if opts.all: |
| 757 which_view = (', owner', 'all') | |
| 758 else: | |
| 759 which_view = ('', 'user') | |
| 760 self.do_select("""table_name, 'TABLE' as type%s FROM %s_tables WHERE table_name LIKE '%%%s%%'""" % | |
| 761 (which_view[0], which_view[1], arg.upper())) | |
| 80 | 762 |
| 83 | 763 @options([make_option('-a','--all',action='store_true', |
| 764 help='Describe all objects (not just my own)')]) | |
| 84 | 765 def do__dir_views(self, arg, opts): |
| 83 | 766 if opts.all: |
| 767 which_view = (', owner', 'all') | |
| 768 else: | |
| 769 which_view = ('', 'user') | |
| 770 self.do_select("""view_name, 'VIEW' as type%s FROM %s_views WHERE view_name LIKE '%%%s%%'""" % | |
| 771 (which_view[0], which_view[1], arg.upper())) | |
| 61 | 772 |
| 83 | 773 @options([make_option('-a','--all',action='store_true', |
| 774 help='Describe all objects (not just my own)')]) | |
| 84 | 775 def do__dir_indexes(self, arg, opts): |
| 83 | 776 if opts.all: |
| 777 which_view = (', owner', 'all') | |
| 778 else: | |
| 779 which_view = ('', 'user') | |
| 780 self.do_select("""index_name, index_type%s FROM %s_indexes WHERE index_name LIKE '%%%s%%' OR table_name LIKE '%%%s%%'""" % | |
| 781 (which_view[0], which_view[1], arg.upper(), arg.upper())) | |
| 61 | 782 |
| 783 def do__dir_tablespaces(self, arg): | |
| 784 self.do_select("""tablespace_name, file_name from dba_data_files""") | |
| 785 | |
| 786 def do__dir_schemas(self, arg): | |
| 787 self.do_select("""owner, count(*) AS objects FROM all_objects GROUP BY owner ORDER BY owner""") | |
| 80 | 788 |
| 62 | 789 def do_head(self, arg): |
| 790 nrows = 10 | |
| 791 args = arg.split() | |
| 792 if len(args) > 1: | |
| 793 for a in args: | |
| 794 if a[0] == '-': | |
| 795 try: | |
| 796 nrows = int(a[1:]) | |
| 797 args.remove(a) | |
| 798 except: | |
| 799 pass | |
| 800 arg = ' '.join(args) | |
| 801 self.do_select('* from %s;%d' % (arg, nrows)) | |
| 80 | 802 |
| 0 | 803 def do_print(self, arg): |
| 804 'print VARNAME: Show current value of bind variable VARNAME.' | |
| 805 if arg: | |
| 806 if arg[0] == ':': | |
| 807 arg = arg[1:] | |
| 808 try: | |
| 95 | 809 self.stdout.write(str(self.binds[arg])+'\n') |
| 0 | 810 except KeyError: |
|
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811 self.stdout.write('No bind variable %s\n' % arg) |
| 0 | 812 else: |
| 813 for (var, val) in self.binds.items(): | |
| 814 print ':%s = %s' % (var, val) | |
| 80 | 815 |
| 0 | 816 def do_setbind(self, arg): |
| 817 args = arg.split(None, 2) | |
| 72 | 818 if len(args) < 2: |
| 819 self.do_print(arg) | |
| 0 | 820 elif len(args) > 2 and args[1] in ('=',':='): |
| 821 var, val = args[0], args[2] | |
| 822 if val[0] == val[-1] == "'" and len(val) > 1: | |
| 80 | 823 self.binds[var] = val[1:-1] |
| 824 return | |
| 74 | 825 try: |
| 80 | 826 self.binds[var] = int(val) |
| 827 return | |
| 74 | 828 except ValueError: |
| 829 try: | |
| 80 | 830 self.binds[var] = float(val) |
| 831 return | |
| 74 | 832 except ValueError: |
| 80 | 833 try: |
| 834 self.binds[var] = self.curs.callfunc(val, []) | |
| 835 return | |
| 836 except: | |
| 837 pass | |
| 91 | 838 # TODO: when setting |
| 80 | 839 |
| 840 print 'Could not parse ', args | |
| 841 | |
| 0 | 842 def do_exec(self, arg): |
| 843 if arg[0] == ':': | |
| 844 self.do_setbind(arg[1:]) | |
| 845 else: | |
| 71 | 846 try: |
| 847 self.curs.execute('begin\n%s;end;' % arg) | |
| 848 except Exception, e: | |
| 849 print e | |
| 850 ''' | |
| 851 exec :x := 'box' | |
| 852 exec :y := sysdate | |
| 853 ''' | |
|
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854 |
| 96 | 855 '''Works: |
| 856 exec myproc() | |
| 857 begin | |
| 858 myproc(); | |
| 859 end; | |
| 860 | |
| 861 Fails: | |
| 862 select n into :n from test; | |
| 863 :d := sysdate | |
| 864 :n := myfunc()''' | |
| 865 | |
| 866 | |
| 867 | |
| 70 | 868 def anon_plsql(self, line1): |
| 869 lines = [line1] | |
| 870 while True: | |
| 871 line = self.pseudo_raw_input(self.continuationPrompt) | |
| 872 if line.strip() == '/': | |
| 873 try: | |
| 874 self.curs.execute('\n'.join(lines)) | |
| 875 except Exception, e: | |
| 876 print e | |
| 877 return | |
| 878 lines.append(line) | |
| 80 | 879 |
| 70 | 880 def do_begin(self, arg): |
| 881 self.anon_plsql('begin ' + arg) | |
| 882 | |
| 883 def do_declare(self, arg): | |
| 884 self.anon_plsql('declare ' + arg) | |
| 80 | 885 |
| 87 | 886 #def do_create(self, arg): |
| 887 # self.anon_plsql('create ' + arg) | |
| 78 | 888 |
| 82 | 889 @options([make_option('-l', '--long', action='store_true', help='long descriptions')]) |
| 81 | 890 def do_ls(self, arg, opts): |
| 78 | 891 where = '' |
| 892 if arg: | |
| 893 where = """\nWHERE object_type || '/' || object_name | |
| 80 | 894 LIKE '%%%s%%'""" % (arg.upper().replace('*','%')) |
| 78 | 895 else: |
| 896 where = '' | |
| 897 result = [] | |
| 898 statement = '''SELECT object_type, object_name, | |
| 80 | 899 status, last_ddl_time |
| 900 FROM user_objects %s | |
| 901 ORDER BY object_type, object_name''' % (where) | |
| 78 | 902 self.curs.execute(statement) |
| 903 for (object_type, object_name, status, last_ddl_time) in self.curs.fetchall(): | |
| 81 | 904 if opts.long: |
| 78 | 905 result.append('%s\t%s\t%s/%s' % (status, last_ddl_time, object_type, object_name)) |
| 906 else: | |
| 907 result.append('%s/%s' % (object_type, object_name)) | |
| 908 self.stdout.write('\n'.join(result) + '\n') | |
| 80 | 909 |
|
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910 def do_cat(self, arg): |
|
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911 targets = arg.split() |
|
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912 for target in targets: |
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913 self.do_select('* from %s' % target) |
| 80 | 914 |
| 86 | 915 @options([make_option('-i', '--ignore-case', dest='ignorecase', action='store_true', help='Case-insensitive search')]) |
| 916 def do_grep(self, arg, opts): | |
| 917 """grep PATTERN TABLE - search for term in any of TABLE's fields""" | |
| 918 | |
| 919 targets = [] | |
| 920 for target in arg.split(): | |
| 921 if '*' in target: | |
| 922 self.curs.execute("SELECT owner, table_name FROM all_tables WHERE table_name LIKE '%s'" % | |
| 923 (target.upper().replace('*','%'))) | |
| 924 for row in self.curs: | |
| 925 targets.append('%s.%s' % row) | |
| 926 else: | |
| 927 targets.append(target) | |
|
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928 pattern = targets.pop(0) |
|
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929 for target in targets: |
| 86 | 930 print target |
|
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931 target = target.rstrip(';') |
|
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932 sql = [] |
|
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933 try: |
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934 self.curs.execute('select * from %s where 1=0' % target) |
| 86 | 935 if opts.ignorecase: |
| 936 sql = ' or '.join("LOWER(%s) LIKE '%%%s%%'" % (d[0], pattern.lower()) for d in self.curs.description) | |
| 937 else: | |
| 938 sql = ' or '.join("%s LIKE '%%%s%%'" % (d[0], pattern) for d in self.curs.description) | |
|
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939 sql = '* FROM %s WHERE %s' % (target, sql) |
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940 self.do_select(sql) |
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941 except Exception, e: |
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942 print e |
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|
943 import traceback |
|
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944 traceback.print_exc(file=sys.stdout) |
|
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945 |
|
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946 def do_refs(self, arg): |
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947 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
|
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948 if object_type == 'TABLE': |
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949 self.do_select(queries['refs'],bindVarsIn={'object_name':object_name, 'owner':owner}) |
|
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950 |
| 0 | 951 def _test(): |
| 952 import doctest | |
| 953 doctest.testmod() | |
| 80 | 954 |
| 0 | 955 if __name__ == "__main__": |
| 956 "Silent return implies that all unit tests succeeded. Use -v to see details." | |
| 109 | 957 _test() |