Mercurial > sqlpython
annotate sqlpyPlus.py @ 149:3b1e25cc0e38
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| author | catherine@dellzilla |
|---|---|
| date | Fri, 26 Sep 2008 10:33:37 -0400 |
| parents | fcb19853cd94 |
| children | b00a020b81c6 |
| rev | line source |
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| 144 | 1 """sqlpyPlus - extra features (inspired by Oracle SQL*Plus) for Luca Canali's sqlpython.py |
| 0 | 2 |
| 3 Features include: | |
| 4 - SQL*Plus-style bind variables | |
| 5 - Query result stored in special bind variable ":_" if one row, one item | |
| 6 - SQL buffer with list, run, ed, get, etc.; unlike SQL*Plus, buffer stores session's full history | |
| 7 - @script.sql loads and runs (like SQL*Plus) | |
| 8 - ! runs operating-system command | |
| 9 - show and set to control sqlpython parameters | |
| 10 - SQL*Plus-style describe, spool | |
| 11 - write sends query result directly to file | |
| 12 - comments shows table and column comments | |
| 13 - compare ... to ... graphically compares results of two queries | |
| 14 - commands are case-insensitive | |
| 138 | 15 - context-sensitive tab-completion for table names, column names, etc. |
| 80 | 16 |
| 0 | 17 Use 'help' within sqlpython for details. |
| 18 | |
| 19 Set bind variables the hard (SQL*Plus) way | |
| 20 exec :b = 3 | |
| 21 or with a python-like shorthand | |
| 22 :b = 3 | |
| 23 | |
| 24 - catherinedevlin.blogspot.com May 31, 2006 | |
| 25 """ | |
| 149 | 26 import sys, os, re, sqlpython, cx_Oracle, pyparsing, re, completion |
| 27 from cmd2 import Cmd, make_option, options, Statekeeper | |
| 28 from output_templates import * | |
| 0 | 29 |
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30 descQueries = { |
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31 'TABLE': (""" |
| 80 | 32 atc.column_name, |
| 33 CASE atc.nullable WHEN 'Y' THEN 'NULL' ELSE 'NOT NULL' END "Null?", | |
| 34 atc.data_type || | |
| 35 CASE atc.data_type WHEN 'DATE' THEN '' | |
| 36 ELSE '(' || | |
| 37 CASE atc.data_type WHEN 'NUMBER' THEN TO_CHAR(atc.data_precision) || | |
| 38 CASE atc.data_scale WHEN 0 THEN '' | |
| 39 ELSE ',' || TO_CHAR(atc.data_scale) END | |
| 40 ELSE TO_CHAR(atc.data_length) END | |
| 41 END || | |
| 42 CASE atc.data_type WHEN 'DATE' THEN '' ELSE ')' END | |
| 43 data_type | |
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44 FROM all_tab_columns atc |
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45 WHERE atc.table_name = :object_name |
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46 AND atc.owner = :owner |
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47 ORDER BY atc.column_id;""",), |
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48 'PROCEDURE': (""" |
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49 NVL(argument_name, 'Return Value') argument_name, |
| 80 | 50 data_type, |
| 51 in_out, | |
| 52 default_value | |
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53 FROM all_arguments |
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54 WHERE object_name = :object_name |
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55 AND owner = :owner |
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56 AND package_name IS 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 | |
| 127 | 145 ) ORDER BY priority ASC, |
| 146 length(object_type) ASC, | |
| 147 object_type DESC""", # preference: PACKAGE before PACKAGE BODY, TABLE before INDEX | |
| 0 | 148 'tabComments': """ |
| 149 SELECT comments | |
| 150 FROM all_tab_comments | |
| 151 WHERE owner = :owner | |
| 152 AND table_name = :table_name""", | |
| 153 'colComments': """ | |
| 154 atc.column_name, | |
| 80 | 155 acc.comments |
| 0 | 156 FROM all_tab_columns atc |
| 157 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
| 158 WHERE atc.table_name = :object_name | |
| 159 AND atc.owner = :owner | |
| 160 ORDER BY atc.column_id;""", | |
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161 #thanks to Senora.pm for "refs" |
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162 'refs': """ |
| 80 | 163 NULL referenced_by, |
| 164 c2.table_name references, | |
| 165 c1.constraint_name constraint | |
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166 FROM |
| 80 | 167 user_constraints c1, |
| 168 user_constraints c2 | |
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169 WHERE |
| 80 | 170 c1.table_name = :object_name |
| 171 and c1.constraint_type ='R' | |
| 172 and c1.r_constraint_name = c2.constraint_name | |
| 173 and c1.r_owner = c2.owner | |
| 174 and c1.owner = :owner | |
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175 UNION |
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176 SELECT c1.table_name referenced_by, |
| 80 | 177 NULL references, |
| 178 c1.constraint_name constraint | |
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179 FROM |
| 80 | 180 user_constraints c1, |
| 181 user_constraints c2 | |
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182 WHERE |
| 80 | 183 c2.table_name = :object_name |
| 184 and c1.constraint_type ='R' | |
| 185 and c1.r_constraint_name = c2.constraint_name | |
| 186 and c1.r_owner = c2.owner | |
| 187 and c1.owner = :owner | |
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188 """ |
| 0 | 189 } |
| 190 | |
| 191 if float(sys.version[:3]) < 2.3: | |
| 192 def enumerate(lst): | |
| 193 return zip(range(len(lst)), lst) | |
| 80 | 194 |
| 0 | 195 class SoftwareSearcher(object): |
| 196 def __init__(self, softwareList, purpose): | |
| 197 self.softwareList = softwareList | |
| 198 self.purpose = purpose | |
| 199 self.software = None | |
| 200 def invoke(self, *args): | |
| 201 if not self.software: | |
| 202 (self.software, self.invokeString) = self.find() | |
| 203 argTuple = tuple([self.software] + list(args)) | |
| 204 os.system(self.invokeString % argTuple) | |
| 205 def find(self): | |
| 206 if self.purpose == 'text editor': | |
| 207 software = os.environ.get('EDITOR') | |
| 208 if software: | |
| 209 return (software, '%s %s') | |
| 210 for (n, (software, invokeString)) in enumerate(self.softwareList): | |
| 211 if os.path.exists(software): | |
| 212 if n > (len(self.softwareList) * 0.7): | |
| 213 print """ | |
| 80 | 214 |
| 215 Using %s. Note that there are better options available for %s, | |
| 216 but %s couldn't find a better one in your PATH. | |
| 217 Feel free to open up %s | |
| 218 and customize it to find your favorite %s program. | |
| 219 | |
| 220 """ % (software, self.purpose, __file__, __file__, self.purpose) | |
| 0 | 221 return (software, invokeString) |
| 222 stem = os.path.split(software)[1] | |
| 223 for p in os.environ['PATH'].split(os.pathsep): | |
| 224 if os.path.exists(os.sep.join([p, stem])): | |
| 225 return (stem, invokeString) | |
| 226 raise (OSError, """Could not find any %s programs. You will need to install one, | |
| 80 | 227 or customize %s to make it aware of yours. |
| 228 Looked for these programs: | |
| 229 %s""" % (self.purpose, __file__, "\n".join([s[0] for s in self.softwareList]))) | |
| 0 | 230 #v2.4: %s""" % (self.purpose, __file__, "\n".join(s[0] for s in self.softwareList))) |
| 231 | |
| 232 softwareLists = { | |
| 233 'diff/merge': [ | |
| 80 | 234 ('/usr/bin/meld',"%s %s %s"), |
| 235 ('/usr/bin/kdiff3',"%s %s %s"), | |
| 236 (r'C:\Program Files\Araxis\Araxis Merge v6.5\Merge.exe','"%s" %s %s'), | |
| 237 (r'C:\Program Files\TortoiseSVN\bin\TortoiseMerge.exe', '"%s" /base:"%s" /mine:"%s"'), | |
| 238 ('FileMerge','%s %s %s'), | |
| 239 ('kompare','%s %s %s'), | |
| 240 ('WinMerge','%s %s %s'), | |
| 241 ('xxdiff','%s %s %s'), | |
| 242 ('fldiff','%s %s %s'), | |
| 243 ('gtkdiff','%s %s %s'), | |
| 244 ('tkdiff','%s %s %s'), | |
| 245 ('gvimdiff','%s %s %s'), | |
| 246 ('diff',"%s %s %s"), | |
| 247 (r'c:\windows\system32\comp.exe',"%s %s %s")], | |
| 248 'text editor': [ | |
| 249 ('gedit', '%s %s'), | |
| 250 ('textpad', '%s %s'), | |
| 251 ('notepad.exe', '%s %s'), | |
| 252 ('pico', '%s %s'), | |
| 253 ('emacs', '%s %s'), | |
| 254 ('vim', '%s %s'), | |
| 255 ('vi', '%s %s'), | |
| 256 ('ed', '%s %s'), | |
| 257 ('edlin', '%s %s') | |
| 258 ] | |
| 0 | 259 } |
| 260 | |
| 261 diffMergeSearcher = SoftwareSearcher(softwareLists['diff/merge'],'diff/merge') | |
| 262 editSearcher = SoftwareSearcher(softwareLists['text editor'], 'text editor') | |
| 263 editor = os.environ.get('EDITOR') | |
| 264 if editor: | |
| 265 editSearcher.find = lambda: (editor, "%s %s") | |
| 266 | |
| 267 class CaselessDict(dict): | |
| 268 """dict with case-insensitive keys. | |
| 269 | |
| 270 Posted to ASPN Python Cookbook by Jeff Donner - http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/66315""" | |
| 271 def __init__(self, other=None): | |
| 272 if other: | |
| 273 # Doesn't do keyword args | |
| 274 if isinstance(other, dict): | |
| 275 for k,v in other.items(): | |
| 276 dict.__setitem__(self, k.lower(), v) | |
| 277 else: | |
| 278 for k,v in other: | |
| 279 dict.__setitem__(self, k.lower(), v) | |
| 280 def __getitem__(self, key): | |
| 281 return dict.__getitem__(self, key.lower()) | |
| 282 def __setitem__(self, key, value): | |
| 283 dict.__setitem__(self, key.lower(), value) | |
| 284 def __contains__(self, key): | |
| 285 return dict.__contains__(self, key.lower()) | |
| 286 def has_key(self, key): | |
| 287 return dict.has_key(self, key.lower()) | |
| 288 def get(self, key, def_val=None): | |
| 289 return dict.get(self, key.lower(), def_val) | |
| 290 def setdefault(self, key, def_val=None): | |
| 291 return dict.setdefault(self, key.lower(), def_val) | |
| 292 def update(self, other): | |
| 293 for k,v in other.items(): | |
| 294 dict.__setitem__(self, k.lower(), v) | |
| 295 def fromkeys(self, iterable, value=None): | |
| 296 d = CaselessDict() | |
| 297 for k in iterable: | |
| 298 dict.__setitem__(d, k.lower(), value) | |
| 299 return d | |
| 300 def pop(self, key, def_val=None): | |
| 301 return dict.pop(self, key.lower(), def_val) | |
| 302 | |
| 303 class Parser(object): | |
| 304 comment_def = "--" + pyparsing.ZeroOrMore(pyparsing.CharsNotIn("\n")) | |
| 305 def __init__(self, scanner, retainSeparator=True): | |
| 306 self.scanner = scanner | |
| 307 self.scanner.ignore(pyparsing.sglQuotedString) | |
| 308 self.scanner.ignore(pyparsing.dblQuotedString) | |
| 309 self.scanner.ignore(self.comment_def) | |
| 310 self.scanner.ignore(pyparsing.cStyleComment) | |
| 311 self.retainSeparator = retainSeparator | |
| 312 def separate(self, txt): | |
| 313 itms = [] | |
| 314 for (sqlcommand, start, end) in self.scanner.scanString(txt): | |
| 315 if sqlcommand: | |
| 316 if type(sqlcommand[0]) == pyparsing.ParseResults: | |
| 317 if self.retainSeparator: | |
| 318 itms.append("".join(sqlcommand[0])) | |
| 319 else: | |
| 320 itms.append(sqlcommand[0][0]) | |
| 321 else: | |
| 322 if sqlcommand[0]: | |
| 323 itms.append(sqlcommand[0]) | |
| 324 return itms | |
| 325 | |
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326 bindScanner = Parser(pyparsing.Literal(':') + pyparsing.Word( pyparsing.alphanums + "_$#" )) |
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327 |
| 0 | 328 def findBinds(target, existingBinds, givenBindVars = {}): |
| 329 result = givenBindVars | |
| 330 for finding, startat, endat in bindScanner.scanner.scanString(target): | |
| 331 varname = finding[1] | |
| 332 try: | |
| 333 result[varname] = existingBinds[varname] | |
| 334 except KeyError: | |
| 335 if not givenBindVars.has_key(varname): | |
| 336 print 'Bind variable %s not defined.' % (varname) | |
| 337 return result | |
| 80 | 338 |
| 0 | 339 class sqlpyPlus(sqlpython.sqlpython): |
|
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340 defaultExtension = 'sql' |
| 92 | 341 sqlpython.sqlpython.shortcuts.update({':': 'setbind', '\\': 'psql', '@': '_load'}) |
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342 multilineCommands = '''select insert update delete tselect |
| 80 | 343 create drop alter'''.split() |
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344 defaultFileName = 'afiedt.buf' |
| 0 | 345 def __init__(self): |
| 346 sqlpython.sqlpython.__init__(self) | |
| 347 self.binds = CaselessDict() | |
| 348 self.sqlBuffer = [] | |
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349 self.settable = ['maxtselctrows', 'maxfetch', 'autobind', |
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350 'failover', 'timeout', 'commit_on_exit'] # settables must be lowercase |
| 0 | 351 self.stdoutBeforeSpool = sys.stdout |
| 352 self.spoolFile = None | |
| 353 self.autobind = False | |
| 354 self.failover = False | |
| 355 def default(self, arg, do_everywhere=False): | |
| 356 sqlpython.sqlpython.default(self, arg, do_everywhere) | |
| 357 self.sqlBuffer.append(self.query) | |
| 358 | |
| 359 # overrides cmd's parseline | |
| 360 def parseline(self, line): | |
| 361 """Parse the line into a command name and a string containing | |
| 362 the arguments. Returns a tuple containing (command, args, line). | |
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363 'command' and 'args' may be None if the line couldn't be parsed. |
| 0 | 364 Overrides cmd.cmd.parseline to accept variety of shortcuts..""" |
| 80 | 365 |
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366 cmd, arg, line = sqlpython.sqlpython.parseline(self, line) |
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367 if cmd in ('select', 'sleect', 'insert', 'update', 'delete', 'describe', |
| 80 | 368 'desc', 'comments', 'pull', 'refs', 'desc', 'triggers', 'find') \ |
| 369 and not hasattr(self, 'curs'): | |
| 0 | 370 print 'Not connected.' |
| 371 return '', '', '' | |
| 372 return cmd, arg, line | |
| 92 | 373 |
| 374 do__load = Cmd.do_load | |
| 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) | |
| 105 | 396 def str_or_empty(self, itm): |
| 397 if itm is None: | |
| 398 return '' | |
| 399 return str(itm) | |
| 0 | 400 def output_as_insert_statements(self): |
| 401 usequotes = [d[1] != cx_Oracle.NUMBER for d in self.curs.description] | |
| 402 def formatRow(row): | |
| 403 return ','.join(self.sql_format_itm(itm, useq) | |
| 404 for (itm, useq) in zip(row, usequotes)) | |
| 405 result = ['INSERT INTO %s (%s) VALUES (%s);' % | |
| 406 (self.tblname, ','.join(self.colnames), formatRow(row)) | |
| 407 for row in self.rows] | |
| 408 return '\n'.join(result) | |
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409 |
| 0 | 410 tableNameFinder = re.compile(r'from\s+([\w$#_"]+)', re.IGNORECASE | re.MULTILINE | re.DOTALL) |
| 411 def output(self, outformat, rowlimit): | |
| 412 self.tblname = self.tableNameFinder.search(self.curs.statement).group(1) | |
| 413 self.colnames = [d[0] for d in self.curs.description] | |
| 414 if outformat == '\\i': | |
| 415 result = self.output_as_insert_statements() | |
| 416 elif outformat == '\\x': | |
| 149 | 417 result = xml_template.generate(**self.__dict__) |
| 0 | 418 elif outformat == '\\g': |
| 149 | 419 result = list_template.generate(**self.__dict__) |
| 0 | 420 elif outformat == '\\G': |
| 147 | 421 self.colnamelen = max(len(colname) for colname in self.colnames) |
| 149 | 422 result = aligned_list_template.generate(**self.__dict__) |
| 0 | 423 elif outformat in ('\\s', '\\S', '\\c', '\\C'): #csv |
| 424 result = [] | |
| 425 if outformat in ('\\s', '\\c'): | |
| 426 result.append(','.join('"%s"' % colname for colname in self.colnames)) | |
| 427 for row in self.rows: | |
| 106 | 428 result.append(','.join('"%s"' % self.str_or_empty(itm) for itm in row)) |
| 0 | 429 result = '\n'.join(result) |
| 430 elif outformat == '\\h': | |
| 149 | 431 result = html_template.generate(**self.__dict__) |
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432 elif outformat == '\\t': # transposed |
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433 rows = [self.colnames] |
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434 rows.extend(list(self.rows)) |
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435 transpr = [[rows[y][x] for y in range(len(rows))]for x in range(len(rows[0]))] # matrix transpose |
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436 newdesc = [['ROW N.'+str(y),10] for y in range(len(rows))] |
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437 for x in range(len(self.curs.description)): |
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438 if str(self.curs.description[x][1]) == "<type 'cx_Oracle.BINARY'>": # handles RAW columns |
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439 rname = transpr[x][0] |
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440 transpr[x] = map(binascii.b2a_hex, transpr[x]) |
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441 transpr[x][0] = rname |
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442 newdesc[0][0] = 'COLUMN NAME' |
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443 result = '\n' + sqlpython.pmatrix(transpr,newdesc) |
| 0 | 444 else: |
| 445 result = sqlpython.pmatrix(self.rows, self.curs.description, self.maxfetch) | |
| 446 return result | |
| 80 | 447 |
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448 legalOracle = re.compile('[a-zA-Z_$#]') |
| 80 | 449 |
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450 def select_scalar_list(self, sql, binds={}): |
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451 self.curs.execute(sql, binds) |
| 132 | 452 return [r[0] for r in self.curs.fetchall()] |
| 453 | |
| 454 columnNameRegex = re.compile( | |
| 455 r'select\s+(.*)from', | |
| 456 re.IGNORECASE | re.DOTALL | re.MULTILINE) | |
| 457 def completedefault(self, text, line, begidx, endidx): | |
| 458 segment = completion.whichSegment(line) | |
| 459 text = text.upper() | |
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460 completions = [] |
| 132 | 461 if segment == 'select': |
| 462 stmt = "SELECT column_name FROM user_tab_columns WHERE column_name LIKE '%s%%'" | |
|
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463 completions = self.select_scalar_list(stmt % (text)) |
| 132 | 464 if not completions: |
| 465 stmt = "SELECT column_name FROM all_tab_columns WHERE column_name LIKE '%s%%'" | |
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466 completions = self.select_scalar_list(stmt % (text)) |
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467 if segment == 'from': |
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468 columnNames = self.columnNameRegex.search(line) |
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469 if columnNames: |
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470 columnNames = columnNames.group(1) |
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471 columnNames = [c.strip().upper() for c in columnNames.split(',')] |
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472 stmt1 = "SELECT table_name FROM all_tab_columns WHERE column_name = '%s' AND table_name LIKE '%s%%'" |
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473 for columnName in columnNames: |
| 138 | 474 # and if columnName is * ? |
|
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475 completions.extend(self.select_scalar_list(stmt1 % (columnName, text))) |
|
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476 if segment in ('from', 'update', 'insert into') and (not completions): |
| 132 | 477 stmt = "SELECT table_name FROM user_tables WHERE table_name LIKE '%s%%'" |
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478 completions = self.select_scalar_list(stmt % (text)) |
| 132 | 479 if not completions: |
| 480 stmt = """SELECT table_name FROM user_tables WHERE table_name LIKE '%s%%' | |
| 481 UNION | |
| 482 SELECT DISTINCT owner FROM all_tables WHERE owner LIKE '%%%s'""" | |
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483 completions = self.select_scalar_list(stmt % (text, text)) |
|
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484 if segment in ('where', 'group by', 'order by', 'having', 'set'): |
|
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485 tableNames = completion.tableNamesFromFromClause(line) |
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486 if tableNames: |
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487 stmt = """SELECT column_name FROM all_tab_columns |
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488 WHERE table_name IN (%s)""" % \ |
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489 (','.join("'%s'" % (t) for t in tableNames)) |
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490 stmt = "%s AND column_name LIKE '%s%%'" % (stmt, text) |
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491 completions = self.select_scalar_list(stmt) |
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492 if not segment: |
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493 stmt = "SELECT object_name FROM all_objects WHERE object_name LIKE '%s%%'" |
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494 completions = self.select_scalar_list(stmt % (text)) |
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495 return completions |
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496 |
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497 rowlimitPattern = pyparsing.Word(pyparsing.nums)('rowlimit') |
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498 terminatorPattern = (pyparsing.oneOf('; \\s \\S \\c \\C \\t \\x \\h \\g \\G \\i') |
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499 ^ pyparsing.Literal('\n/') ^ \ |
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500 (pyparsing.Literal('\nEOF') + pyparsing.stringEnd)) \ |
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501 ('terminator') + \ |
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502 pyparsing.Optional(rowlimitPattern) #+ \ |
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503 #pyparsing.FollowedBy(pyparsing.LineEnd()) |
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504 def do_select(self, arg, bindVarsIn=None, override_terminator=None): |
| 0 | 505 """Fetch rows from a table. |
| 80 | 506 |
| 0 | 507 Limit the number of rows retrieved by appending |
| 508 an integer after the terminator | |
| 509 (example: SELECT * FROM mytable;10 ) | |
| 80 | 510 |
| 0 | 511 Output may be formatted by choosing an alternative terminator |
| 512 ("help terminators" for details) | |
| 513 """ | |
| 514 bindVarsIn = bindVarsIn or {} | |
|
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515 statement = self.parsed('select ' + arg) |
| 117 | 516 self.query = statement.unterminated |
|
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517 if override_terminator: |
|
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518 statement['terminator'] = override_terminator |
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519 statement['rowlimit'] = int(statement.rowlimit or 0) |
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520 try: |
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521 self.varsUsed = findBinds(self.query, self.binds, bindVarsIn) |
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522 self.curs.execute(self.query, self.varsUsed) |
|
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523 self.rows = self.curs.fetchmany(min(self.maxfetch, (statement.rowlimit or self.maxfetch))) |
|
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524 self.desc = self.curs.description |
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525 self.rc = self.curs.rowcount |
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526 if self.rc > 0: |
| 117 | 527 self.stdout.write('\n%s\n' % (self.output(statement.terminator, statement.rowlimit))) |
|
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528 if self.rc == 0: |
|
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529 print '\nNo rows Selected.\n' |
|
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530 elif self.rc == 1: |
|
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531 print '\n1 row selected.\n' |
|
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532 if self.autobind: |
|
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533 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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534 if len(self.desc) == 1: |
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535 self.binds['_'] = self.rows[0][0] |
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536 elif self.rc < self.maxfetch: |
|
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537 print '\n%d rows selected.\n' % self.rc |
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538 else: |
|
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539 print '\nSelected Max Num rows (%d)' % self.rc |
|
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540 except Exception, e: |
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541 print e |
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542 import traceback |
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543 traceback.print_exc(file=sys.stdout) |
| 0 | 544 self.sqlBuffer.append(self.query) |
| 545 | |
|
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546 |
| 82 | 547 @options([make_option('-f', '--full', action='store_true', help='get dependent objects as well')]) |
| 81 | 548 def do_pull(self, arg, opts): |
| 549 """Displays source code.""" | |
| 80 | 550 |
| 144 | 551 arg = self.parsed(arg).unterminated.upper() |
| 552 object_type, owner, object_name = self.resolve(arg) | |
|
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553 if not object_type: |
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554 return |
|
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555 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
| 63 | 556 self.stdout.write(str(self.curs.callfunc('DBMS_METADATA.GET_DDL', cx_Oracle.CLOB, |
| 80 | 557 [object_type, object_name, owner]))) |
| 81 | 558 if opts.full: |
|
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559 for dependent_type in ('OBJECT_GRANT', 'CONSTRAINT', 'TRIGGER'): |
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560 try: |
| 63 | 561 self.stdout.write(str(self.curs.callfunc('DBMS_METADATA.GET_DEPENDENT_DDL', cx_Oracle.CLOB, |
| 80 | 562 [dependent_type, object_name, owner]))) |
|
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563 except cx_Oracle.DatabaseError: |
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564 pass |
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565 |
| 129 | 566 @options([make_option('-a','--all',action='store_true', help='Find in all schemas (not just my own)'), |
| 567 make_option('-i', '--insensitive', action='store_true', help='case-insensitive search'), | |
|
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568 make_option('-c', '--col', action='store_true', help='find column'), |
| 129 | 569 make_option('-t', '--table', action='store_true', help='find table')]) |
| 81 | 570 def do_find(self, arg, opts): |
|
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571 """Finds argument in source code or (with -c) in column definitions.""" |
| 80 | 572 |
| 129 | 573 arg = self.parsed(arg).unterminated.upper() |
| 574 | |
|
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575 if opts.col: |
| 129 | 576 sql = "owner, table_name, column_name from all_tab_columns where column_name like '%%%s%%'" % (arg) |
|
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577 elif opts.table: |
| 129 | 578 sql = "owner, table_name from all_tables where table_name like '%%%s%%'" % (arg) |
|
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579 else: |
|
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580 if opts.insensitive: |
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581 searchfor = "LOWER(text)" |
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582 arg = arg.lower() |
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583 else: |
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584 searchfor = "text" |
| 129 | 585 sql = "* from all_source where %s like '%%%s%%'" % (searchfor, arg) |
| 586 if not opts.all: | |
| 587 sql = '%s and owner = user' % (sql) | |
| 588 self.do_select(sql) | |
| 80 | 589 |
| 83 | 590 @options([make_option('-a','--all',action='store_true', |
| 591 help='Describe all objects (not just my own)')]) | |
| 592 def do_describe(self, arg, opts): | |
| 0 | 593 "emulates SQL*Plus's DESCRIBE" |
|
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594 |
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595 arg = self.parsed(arg).unterminated.upper() |
| 83 | 596 if opts.all: |
| 597 which_view = (', owner', 'all') | |
| 598 else: | |
| 599 which_view = ('', 'user') | |
| 80 | 600 |
| 77 | 601 if not arg: |
| 83 | 602 self.do_select("""object_name, object_type%s FROM %s_objects WHERE object_type IN ('TABLE','VIEW','INDEX') ORDER BY object_name""" % which_view) |
| 77 | 603 return |
|
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604 object_type, owner, object_name = self.resolve(arg) |
| 77 | 605 if not object_type: |
| 87 | 606 self.do_select("""object_name, object_type%s FROM %s_objects |
| 607 WHERE object_type IN ('TABLE','VIEW','INDEX') | |
| 608 AND object_name LIKE '%%%s%%' | |
| 609 ORDER BY object_name""" % | |
| 610 (which_view[0], which_view[1], arg.upper()) ) | |
| 77 | 611 return |
|
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612 self.stdout.write("%s %s.%s\n" % (object_type, owner, object_name)) |
|
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613 descQ = descQueries.get(object_type) |
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614 if descQ: |
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615 for q in descQ: |
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616 self.do_select(q,bindVarsIn={'object_name':object_name, 'owner':owner}) |
| 0 | 617 elif object_type == 'PACKAGE': |
|
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618 packageContents = self.select_scalar_list(descQueries['PackageObjects'][0], {'package_name':object_name, 'owner':owner}) |
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619 for packageObj_name in packageContents: |
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620 self.stdout.write('Arguments to %s\n' % (packageObj_name)) |
|
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621 self.do_select(descQueries['PackageObjArgs'][0],bindVarsIn={'package_name':object_name, 'owner':owner, 'object_name':packageObj_name}) |
| 0 | 622 do_desc = do_describe |
| 80 | 623 |
| 624 def do_deps(self, arg): | |
|
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625 arg = self.parsed(arg).unterminated.upper() |
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626 object_type, owner, object_name = self.resolve(arg) |
| 80 | 627 if object_type == 'PACKAGE BODY': |
| 628 q = "and (type != 'PACKAGE BODY' or name != :object_name)'" | |
| 629 object_type = 'PACKAGE' | |
| 630 else: | |
| 631 q = "" | |
| 632 q = """ name, | |
| 633 type | |
| 634 from user_dependencies | |
| 635 where | |
| 636 referenced_name like :object_name | |
| 637 and referenced_type like :object_type | |
| 638 and referenced_owner like :owner | |
| 639 %s""" % (q) | |
| 640 self.do_select(q, {'object_name':object_name, 'object_type':object_type, 'owner':owner}) | |
| 641 | |
| 0 | 642 def do_comments(self, arg): |
| 643 'Prints comments on a table and its columns.' | |
|
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644 arg = self.parsed(arg).unterminated.upper() |
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645 object_type, owner, object_name = self.resolve(arg) |
| 0 | 646 if object_type: |
| 647 self.curs.execute(queries['tabComments'],{'table_name':object_name, 'owner':owner}) | |
|
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648 self.stdout.write("%s %s.%s: %s\n" % (object_type, owner, object_name, self.curs.fetchone()[0])) |
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649 self.do_select(queries['colComments'],bindVarsIn={'owner':owner, 'object_name': object_name}) |
| 0 | 650 |
| 651 def resolve(self, identifier): | |
| 652 """Checks (my objects).name, (my synonyms).name, (public synonyms).name | |
| 653 to resolve a database object's name. """ | |
| 654 parts = identifier.split('.') | |
| 655 try: | |
| 656 if len(parts) == 2: | |
| 657 owner, object_name = parts | |
|
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658 object_type = self.select_scalar_list('SELECT object_type FROM all_objects WHERE owner = :owner AND object_name = :object_name', |
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659 {'owner': owner, 'object_name': object_name} |
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660 )[0] |
| 0 | 661 elif len(parts) == 1: |
| 662 object_name = parts[0] | |
| 663 self.curs.execute(queries['resolve'], {'objName':object_name}) | |
| 664 object_type, object_name, owner = self.curs.fetchone() | |
| 665 except TypeError: | |
| 666 print 'Could not resolve object %s.' % identifier | |
| 667 object_type, owner, object_name = '', '', '' | |
| 668 return object_type, owner, object_name | |
| 669 | |
|
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670 def do_resolve(self, arg): |
| 144 | 671 arg = self.parsed(arg).unterminated.upper() |
| 672 self.stdout.write(','.join(self.resolve(arg))+'\n') | |
| 80 | 673 |
| 0 | 674 def spoolstop(self): |
| 675 if self.spoolFile: | |
| 88 | 676 self.stdout = self.stdoutBeforeSpool |
| 0 | 677 print 'Finished spooling to ', self.spoolFile.name |
| 678 self.spoolFile.close() | |
| 679 self.spoolFile = None | |
| 80 | 680 |
| 0 | 681 def do_spool(self, arg): |
| 682 """spool [filename] - begins redirecting output to FILENAME.""" | |
| 683 self.spoolstop() | |
| 684 arg = arg.strip() | |
| 685 if not arg: | |
| 686 arg = 'output.lst' | |
| 687 if arg.lower() != 'off': | |
| 688 if '.' not in arg: | |
| 689 arg = '%s.lst' % arg | |
| 690 print 'Sending output to %s (until SPOOL OFF received)' % (arg) | |
| 691 self.spoolFile = open(arg, 'w') | |
| 88 | 692 self.stdout = self.spoolFile |
| 80 | 693 |
| 0 | 694 def do_write(self, args): |
| 88 | 695 print 'Use (query) > outfilename instead.' |
| 696 return | |
| 80 | 697 |
| 0 | 698 def do_compare(self, args): |
| 699 """COMPARE query1 TO query2 - uses external tool to display differences. | |
| 80 | 700 |
| 58 | 701 Sorting is recommended to avoid false hits. |
| 702 Will attempt to use a graphical diff/merge tool like kdiff3, meld, or Araxis Merge, | |
| 703 if they are installed.""" | |
| 0 | 704 fnames = [] |
| 705 args2 = args.split(' to ') | |
| 88 | 706 if len(args2) < 2: |
| 707 print self.do_compare.__doc__ | |
| 708 return | |
| 0 | 709 for n in range(len(args2)): |
| 710 query = args2[n] | |
| 711 fnames.append('compare%s.txt' % n) | |
|
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712 #TODO: update this terminator-stripping |
| 0 | 713 if query.rstrip()[-1] != self.terminator: |
| 714 query = '%s%s' % (query, self.terminator) | |
| 88 | 715 self.onecmd_plus_hooks('%s > %s' % (query, fnames[n])) |
| 0 | 716 diffMergeSearcher.invoke(fnames[0], fnames[1]) |
| 717 | |
| 718 bufferPosPattern = re.compile('\d+') | |
| 719 rangeIndicators = ('-',':') | |
|
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720 |
| 0 | 721 def do_psql(self, arg): |
| 722 '''Shortcut commands emulating psql's backslash commands. | |
| 80 | 723 |
| 0 | 724 \c connect |
| 725 \d desc | |
| 726 \e edit | |
| 727 \g run | |
| 728 \h help | |
| 92 | 729 \i load |
| 0 | 730 \o spool |
| 731 \p list | |
| 77 | 732 \q quit |
| 0 | 733 \w save |
| 61 | 734 \db _dir_tablespaces |
| 735 \dd comments | |
| 736 \dn _dir_schemas | |
| 737 \dt _dir_tables | |
| 738 \dv _dir_views | |
| 739 \di _dir_indexes | |
| 0 | 740 \? help psql''' |
| 741 commands = {} | |
| 742 for c in self.do_psql.__doc__.splitlines()[2:]: | |
| 743 (abbrev, command) = c.split(None, 1) | |
| 744 commands[abbrev[1:]] = command | |
| 745 words = arg.split(None,1) | |
| 80 | 746 try: |
| 747 abbrev = words[0] | |
| 748 except IndexError: | |
| 749 return | |
| 0 | 750 try: |
| 751 args = words[1] | |
| 752 except IndexError: | |
| 753 args = '' | |
| 754 try: | |
| 77 | 755 return self.onecmd('%s %s' % (commands[abbrev], args)) |
| 0 | 756 except KeyError: |
| 61 | 757 print 'psql command \%s not yet supported.' % abbrev |
| 77 | 758 |
| 83 | 759 @options([make_option('-a','--all',action='store_true', |
| 760 help='Describe all objects (not just my own)')]) | |
| 84 | 761 def do__dir_tables(self, arg, opts): |
| 83 | 762 if opts.all: |
| 763 which_view = (', owner', 'all') | |
| 764 else: | |
| 765 which_view = ('', 'user') | |
| 766 self.do_select("""table_name, 'TABLE' as type%s FROM %s_tables WHERE table_name LIKE '%%%s%%'""" % | |
| 767 (which_view[0], which_view[1], arg.upper())) | |
| 80 | 768 |
| 83 | 769 @options([make_option('-a','--all',action='store_true', |
| 770 help='Describe all objects (not just my own)')]) | |
| 84 | 771 def do__dir_views(self, arg, opts): |
| 83 | 772 if opts.all: |
| 773 which_view = (', owner', 'all') | |
| 774 else: | |
| 775 which_view = ('', 'user') | |
| 776 self.do_select("""view_name, 'VIEW' as type%s FROM %s_views WHERE view_name LIKE '%%%s%%'""" % | |
| 777 (which_view[0], which_view[1], arg.upper())) | |
| 61 | 778 |
| 83 | 779 @options([make_option('-a','--all',action='store_true', |
| 780 help='Describe all objects (not just my own)')]) | |
| 84 | 781 def do__dir_indexes(self, arg, opts): |
| 83 | 782 if opts.all: |
| 783 which_view = (', owner', 'all') | |
| 784 else: | |
| 785 which_view = ('', 'user') | |
| 786 self.do_select("""index_name, index_type%s FROM %s_indexes WHERE index_name LIKE '%%%s%%' OR table_name LIKE '%%%s%%'""" % | |
| 787 (which_view[0], which_view[1], arg.upper(), arg.upper())) | |
| 61 | 788 |
| 789 def do__dir_tablespaces(self, arg): | |
| 790 self.do_select("""tablespace_name, file_name from dba_data_files""") | |
| 791 | |
| 792 def do__dir_schemas(self, arg): | |
| 793 self.do_select("""owner, count(*) AS objects FROM all_objects GROUP BY owner ORDER BY owner""") | |
| 80 | 794 |
| 62 | 795 def do_head(self, arg): |
| 796 nrows = 10 | |
| 797 args = arg.split() | |
| 798 if len(args) > 1: | |
| 799 for a in args: | |
| 800 if a[0] == '-': | |
| 801 try: | |
| 802 nrows = int(a[1:]) | |
| 803 args.remove(a) | |
| 804 except: | |
| 805 pass | |
| 806 arg = ' '.join(args) | |
| 807 self.do_select('* from %s;%d' % (arg, nrows)) | |
| 80 | 808 |
| 0 | 809 def do_print(self, arg): |
| 810 'print VARNAME: Show current value of bind variable VARNAME.' | |
| 811 if arg: | |
| 812 if arg[0] == ':': | |
| 813 arg = arg[1:] | |
| 814 try: | |
| 95 | 815 self.stdout.write(str(self.binds[arg])+'\n') |
| 0 | 816 except KeyError: |
|
46
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diff
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|
817 self.stdout.write('No bind variable %s\n' % arg) |
| 0 | 818 else: |
| 819 for (var, val) in self.binds.items(): | |
| 820 print ':%s = %s' % (var, val) | |
| 80 | 821 |
|
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diff
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|
822 assignmentScanner = Parser(pyparsing.Literal(':=') ^ '=') |
| 0 | 823 def do_setbind(self, arg): |
|
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diff
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|
824 arg = self.parsed(arg).unterminated |
|
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|
825 try: |
|
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|
826 assigner, startat, endat = self.assignmentScanner.scanner.scanString(arg).next() |
|
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|
827 except StopIteration: |
| 72 | 828 self.do_print(arg) |
| 118 | 829 return |
|
122
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diff
changeset
|
830 var, val = arg[:startat].strip(), arg[endat:].strip() |
|
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|
831 if val[0] == val[-1] == "'" and len(val) > 1: |
|
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|
832 self.binds[var] = val[1:-1] |
|
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|
833 return |
|
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|
834 try: |
|
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|
835 self.binds[var] = int(val) |
|
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diff
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|
836 return |
|
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diff
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|
837 except ValueError: |
| 74 | 838 try: |
|
122
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|
839 self.binds[var] = float(val) |
| 80 | 840 return |
| 74 | 841 except ValueError: |
|
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|
842 statekeeper = Statekeeper(self, ('autobind',)) |
|
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diff
changeset
|
843 self.autobind = True |
|
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diff
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|
844 self.do_select('%s AS %s FROM dual;' % (val, var)) |
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diff
changeset
|
845 statekeeper.restore() |
| 80 | 846 |
| 0 | 847 def do_exec(self, arg): |
| 848 if arg[0] == ':': | |
| 849 self.do_setbind(arg[1:]) | |
| 850 else: | |
|
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diff
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|
851 arg = self.parsed(arg).unterminated |
| 119 | 852 varsUsed = findBinds(arg, self.binds, {}) |
| 71 | 853 try: |
| 119 | 854 self.curs.execute('begin\n%s;end;' % arg, varsUsed) |
| 71 | 855 except Exception, e: |
| 856 print e | |
|
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changeset
|
857 |
|
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diff
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|
858 ''' |
| 96 | 859 Fails: |
|
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diff
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|
860 select n into :n from test;''' |
| 96 | 861 |
| 70 | 862 def anon_plsql(self, line1): |
| 863 lines = [line1] | |
| 864 while True: | |
| 865 line = self.pseudo_raw_input(self.continuationPrompt) | |
| 866 if line.strip() == '/': | |
| 867 try: | |
| 868 self.curs.execute('\n'.join(lines)) | |
| 869 except Exception, e: | |
| 870 print e | |
| 871 return | |
| 872 lines.append(line) | |
| 80 | 873 |
| 70 | 874 def do_begin(self, arg): |
| 875 self.anon_plsql('begin ' + arg) | |
| 876 | |
| 877 def do_declare(self, arg): | |
| 878 self.anon_plsql('declare ' + arg) | |
| 80 | 879 |
| 87 | 880 #def do_create(self, arg): |
| 881 # self.anon_plsql('create ' + arg) | |
| 78 | 882 |
| 119 | 883 @options([make_option('-l', '--long', action='store_true', help='long descriptions'), |
| 884 make_option('-a', '--all', action='store_true', help="all schemas' objects")]) | |
| 81 | 885 def do_ls(self, arg, opts): |
| 78 | 886 where = '' |
| 887 if arg: | |
| 888 where = """\nWHERE object_type || '/' || object_name | |
| 80 | 889 LIKE '%%%s%%'""" % (arg.upper().replace('*','%')) |
| 78 | 890 else: |
| 891 where = '' | |
| 119 | 892 if opts.all: |
| 893 owner = 'owner' | |
| 894 whose = 'all' | |
| 895 else: | |
| 896 owner = "'' AS owner" | |
| 897 whose = 'user' | |
| 78 | 898 result = [] |
| 899 statement = '''SELECT object_type, object_name, | |
| 119 | 900 status, last_ddl_time, %s |
| 901 FROM %s_objects %s | |
| 902 ORDER BY object_type, object_name''' % (owner, whose, where) | |
| 78 | 903 self.curs.execute(statement) |
| 119 | 904 for (object_type, object_name, status, last_ddl_time, owner) in self.curs.fetchall(): |
| 905 if opts.all: | |
| 906 qualified_name = '%s.%s' % (owner, object_name) | |
| 907 else: | |
| 908 qualified_name = object_name | |
| 81 | 909 if opts.long: |
| 119 | 910 result.append('%s\t%s\t%s/%s' % (status, last_ddl_time, object_type, qualified_name)) |
| 78 | 911 else: |
| 119 | 912 result.append('%s/%s' % (object_type, qualified_name)) |
| 78 | 913 self.stdout.write('\n'.join(result) + '\n') |
| 80 | 914 |
|
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parents:
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diff
changeset
|
915 def do_cat(self, arg): |
| 128 | 916 '''cat TABLENAME --> SELECT * FROM equivalent''' |
| 149 | 917 targets = arg.strip().split() |
|
4
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|
918 for target in targets: |
|
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|
919 self.do_select('* from %s' % target) |
| 80 | 920 |
| 86 | 921 @options([make_option('-i', '--ignore-case', dest='ignorecase', action='store_true', help='Case-insensitive search')]) |
| 922 def do_grep(self, arg, opts): | |
| 923 """grep PATTERN TABLE - search for term in any of TABLE's fields""" | |
| 128 | 924 |
| 925 arg = self.parsed(arg) | |
| 926 targetnames = arg.unterminated.split() | |
| 927 pattern = targetnames.pop(0) | |
| 928 targets = [] | |
| 929 for target in targetnames: | |
| 86 | 930 if '*' in target: |
| 128 | 931 self.curs.execute("SELECT owner, table_name FROM all_tables WHERE table_name LIKE '%s'%s" % |
| 932 (target.upper().replace('*','%')), arg.terminator) | |
| 86 | 933 for row in self.curs: |
| 934 targets.append('%s.%s' % row) | |
| 935 else: | |
| 936 targets.append(target) | |
|
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|
937 for target in targets: |
| 86 | 938 print target |
|
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|
939 target = target.rstrip(';') |
|
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|
940 sql = [] |
|
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|
941 try: |
| 128 | 942 self.curs.execute('select * from %s where 1=0' % target) # just to fill description |
| 86 | 943 if opts.ignorecase: |
| 944 sql = ' or '.join("LOWER(%s) LIKE '%%%s%%'" % (d[0], pattern.lower()) for d in self.curs.description) | |
| 945 else: | |
| 946 sql = ' or '.join("%s LIKE '%%%s%%'" % (d[0], pattern) for d in self.curs.description) | |
|
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|
947 sql = '* FROM %s WHERE %s' % (target, sql) |
| 128 | 948 self.do_select('%s%s%s' % (sql, arg.terminator, arg.rowlimit)) |
|
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|
949 except Exception, e: |
|
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|
950 print e |
|
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|
951 import traceback |
|
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|
952 traceback.print_exc(file=sys.stdout) |
|
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diff
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|
953 |
|
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|
954 def do_refs(self, arg): |
|
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diff
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|
955 arg = self.parsed(arg).unterminated.upper() |
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|
956 object_type, owner, object_name = self.resolve(arg) |
|
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|
957 if object_type == 'TABLE': |
|
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|
958 self.do_select(queries['refs'],bindVarsIn={'object_name':object_name, 'owner':owner}) |
|
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|
959 |
| 0 | 960 def _test(): |
| 961 import doctest | |
| 962 doctest.testmod() | |
| 80 | 963 |
| 0 | 964 if __name__ == "__main__": |
| 965 "Silent return implies that all unit tests succeeded. Use -v to see details." | |
| 109 | 966 _test() |