Mercurial > sqlpython
annotate sqlpyPlus.py @ 26:bb3fb24b6f5f
settables ironed out
author | devlinjs@FA7CZA6N1254998.wrightpatterson.afmc.ds.af.mil |
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date | Wed, 19 Dec 2007 16:10:01 -0500 |
parents | c99853267a44 |
children | ca6f34be3397 |
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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 | |
15 | |
16 Use 'help' within sqlpython for details. | |
17 | |
18 Compatible with sqlpython v1.3 | |
19 | |
20 Set bind variables the hard (SQL*Plus) way | |
21 exec :b = 3 | |
22 or with a python-like shorthand | |
23 :b = 3 | |
24 | |
25 - catherinedevlin.blogspot.com May 31, 2006 | |
26 """ | |
27 # note in cmd.cmd about supporting emacs commands? | |
28 | |
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29 descQueries = { |
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30 'TABLE': (""" |
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31 atc.column_name, |
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32 CASE atc.nullable WHEN 'Y' THEN 'NULL' ELSE 'NOT NULL' END "Null?", |
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33 atc.data_type || |
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34 CASE atc.data_type WHEN 'DATE' THEN '' |
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35 ELSE '(' || |
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36 CASE atc.data_type WHEN 'NUMBER' THEN TO_CHAR(atc.data_precision) || |
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37 CASE atc.data_scale WHEN 0 THEN '' |
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38 ELSE ',' || TO_CHAR(atc.data_scale) END |
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39 ELSE TO_CHAR(atc.data_length) END |
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40 END || |
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41 CASE atc.data_type WHEN 'DATE' THEN '' ELSE ')' END |
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42 data_type |
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43 FROM all_tab_columns atc |
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44 WHERE atc.table_name = :object_name |
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45 AND atc.owner = :owner |
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46 ORDER BY atc.column_id;""",), |
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47 'PROCEDURE': (""" |
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48 argument_name, |
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49 data_type, |
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50 in_out, |
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51 default_value |
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52 FROM all_arguments |
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53 WHERE object_name = :object_name |
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54 AND owner = :owner |
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55 AND package_name IS NULL |
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56 AND argument_name IS NOT NULL |
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57 ORDER BY sequence;""",), |
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58 'PackageObjects':(""" |
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59 SELECT DISTINCT object_name |
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60 FROM all_arguments |
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61 WHERE package_name = :package_name |
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62 AND owner = :owner""",), |
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63 'PackageObjArgs':(""" |
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64 object_name, |
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65 argument_name, |
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66 data_type, |
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67 in_out, |
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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':(""" |
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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 """ |
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82 table_owner, |
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83 base_object_type, |
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84 table_name, |
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85 column_name, |
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86 when_clause, |
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87 status, |
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88 action_type, |
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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 """,) |
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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 ( | |
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' | |
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137 UNION ALL |
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138 SELECT 'DIRECTORY' object_type, dir.directory_name, dir.owner, 6 priority |
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139 FROM all_directories dir |
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140 WHERE dir.directory_name = :objName |
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141 UNION ALL |
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142 SELECT 'DATABASE LINK' object_type, db_link, owner, 7 priority |
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143 FROM all_db_links dbl |
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144 WHERE dbl.db_link = :objName |
0 | 145 ) ORDER BY priority ASC""", |
146 'tabComments': """ | |
147 SELECT comments | |
148 FROM all_tab_comments | |
149 WHERE owner = :owner | |
150 AND table_name = :table_name""", | |
151 'colComments': """ | |
152 atc.column_name, | |
153 acc.comments | |
154 FROM all_tab_columns atc | |
155 JOIN all_col_comments acc ON (atc.owner = acc.owner and atc.table_name = acc.table_name and atc.column_name = acc.column_name) | |
156 WHERE atc.table_name = :object_name | |
157 AND atc.owner = :owner | |
158 ORDER BY atc.column_id;""", | |
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159 #thanks to Senora.pm for "refs" |
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160 'refs': """ |
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161 NULL referenced_by, |
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162 c2.table_name references, |
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163 c1.constraint_name constraint |
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164 FROM |
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165 user_constraints c1, |
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166 user_constraints c2 |
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167 WHERE |
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168 c1.table_name = :object_name |
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169 and c1.constraint_type ='R' |
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170 and c1.r_constraint_name = c2.constraint_name |
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171 and c1.r_owner = c2.owner |
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172 and c1.owner = :owner |
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173 UNION |
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174 SELECT c1.table_name referenced_by, |
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175 NULL references, |
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176 c1.constraint_name constraint |
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177 FROM |
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178 user_constraints c1, |
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179 user_constraints c2 |
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180 WHERE |
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181 c2.table_name = :object_name |
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182 and c1.constraint_type ='R' |
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183 and c1.r_constraint_name = c2.constraint_name |
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184 and c1.r_owner = c2.owner |
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185 and c1.owner = :owner |
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186 """ |
0 | 187 } |
188 | |
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189 import sys, os, re, sqlpython, cx_Oracle, pyparsing, flagReader |
0 | 190 |
191 if float(sys.version[:3]) < 2.3: | |
192 def enumerate(lst): | |
193 return zip(range(len(lst)), lst) | |
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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 """ | |
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) | |
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, | |
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]))) | |
230 #v2.4: %s""" % (self.purpose, __file__, "\n".join(s[0] for s in self.softwareList))) | |
231 | |
232 softwareLists = { | |
233 'diff/merge': [ | |
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 ] | |
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 | |
326 pipeSeparator = Parser(pyparsing.SkipTo((pyparsing.Literal('|') ^ pyparsing.StringEnd()), include=True), retainSeparator=False) | |
327 bindScanner = Parser(pyparsing.Literal(':') + pyparsing.Word( pyparsing.alphanums + "_$#" )) | |
328 commandSeparator = Parser(pyparsing.SkipTo((pyparsing.Literal(';') ^ pyparsing.StringEnd()), include=True)) | |
329 | |
330 def findBinds(target, existingBinds, givenBindVars = {}): | |
331 result = givenBindVars | |
332 for finding, startat, endat in bindScanner.scanner.scanString(target): | |
333 varname = finding[1] | |
334 try: | |
335 result[varname] = existingBinds[varname] | |
336 except KeyError: | |
337 if not givenBindVars.has_key(varname): | |
338 print 'Bind variable %s not defined.' % (varname) | |
339 return result | |
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340 |
0 | 341 class sqlpyPlus(sqlpython.sqlpython): |
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342 defaultExtension = 'sql' |
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343 multilineCommands = '''select insert update delete tselect |
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344 create drop alter'''.split() |
0 | 345 def __init__(self): |
346 sqlpython.sqlpython.__init__(self) | |
347 self.binds = CaselessDict() | |
348 self.sqlBuffer = [] | |
349 self.settable = ['maxtselctrows', 'maxfetch', 'autobind', 'failover', 'timeout'] # settables must be lowercase | |
350 self.stdoutBeforeSpool = sys.stdout | |
351 self.spoolFile = None | |
352 self.autobind = False | |
353 self.failover = False | |
354 def default(self, arg, do_everywhere=False): | |
355 sqlpython.sqlpython.default(self, arg, do_everywhere) | |
356 self.sqlBuffer.append(self.query) | |
357 | |
358 # overrides cmd's parseline | |
359 shortcuts = {'?': 'help', '@': 'getrun', '!': 'shell', ':': 'setbind', '\\': 'psql'} | |
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). | |
363 'command' and 'args' may be None if the line couldn't be parsed. | |
364 Overrides cmd.cmd.parseline to accept variety of shortcuts..""" | |
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365 |
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366 cmd, arg. line = sqlpython.parseline(self, line) |
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367 if cmd in ('select', 'sleect', 'insert', 'update', 'delete', 'describe', |
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368 'desc', 'comments', 'pull', 'refs', 'desc', 'triggers', 'find') \ |
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369 and not hasattr(self, 'curs'): |
0 | 370 print 'Not connected.' |
371 return '', '', '' | |
372 return cmd, arg, line | |
373 | |
374 def precmd(self, line): | |
375 """Hook method executed just before the command line is | |
376 interpreted, but after the input prompt is generated and issued. | |
377 Makes commands case-insensitive (but unfortunately does not alter command completion). | |
378 """ | |
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379 |
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380 ''' |
0 | 381 pipedCommands = pipeSeparator.separate(line) |
382 if len(pipedCommands) > 1: | |
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383 pipefilename = 'sqlpython.pipe.tmp' |
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384 for (idx, pipedCommand) in enumerate(pipedCommands[:-1]): |
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385 savestdout = sys.stdout |
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386 f = open(pipefilename,'w') |
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387 sys.stdout = f |
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388 self.precmd(pipedCommand) |
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389 self.onecmd(pipedCommand) |
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390 self.postcmd(False, pipedCommands[0]) |
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391 f.close() |
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392 sys.stdout = savestdout |
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393 f = os.popen('%s < %s' % (pipedCommands[idx+1], pipefilename)) |
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394 f.read() |
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395 |
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396 ''' |
0 | 397 try: |
398 args = line.split(None,1) | |
399 args[0] = args[0].lower() | |
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400 statement = ' '.join(args) |
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401 if args[0] in self.multiline: |
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402 statement = sqlpython.finishStatement(statement) |
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403 return statement |
0 | 404 except Exception: |
405 return line | |
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406 |
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407 def onecmd_plus_hooks(self, line): |
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408 line = self.precmd(line) |
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409 stop = self.onecmd(line) |
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410 stop = self.postcmd(stop, line) |
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411 |
0 | 412 def do_shortcuts(self,arg): |
413 """Lists available first-character shortcuts | |
414 (i.e. '!dir' is equivalent to 'shell dir')""" | |
415 for (scchar, scto) in self.shortcuts.items(): | |
416 print '%s: %s' % (scchar, scto) | |
417 | |
418 def colnames(self): | |
419 return [d[0] for d in curs.description] | |
420 | |
421 def sql_format_itm(self, itm, needsquotes): | |
422 if itm is None: | |
423 return 'NULL' | |
424 if needsquotes: | |
425 return "'%s'" % str(itm) | |
426 return str(itm) | |
427 def output_as_insert_statements(self): | |
428 usequotes = [d[1] != cx_Oracle.NUMBER for d in self.curs.description] | |
429 def formatRow(row): | |
430 return ','.join(self.sql_format_itm(itm, useq) | |
431 for (itm, useq) in zip(row, usequotes)) | |
432 result = ['INSERT INTO %s (%s) VALUES (%s);' % | |
433 (self.tblname, ','.join(self.colnames), formatRow(row)) | |
434 for row in self.rows] | |
435 return '\n'.join(result) | |
436 | |
437 def output_row_as_xml(self, row): | |
438 result = [' <%s>\n %s\n </%s>' % | |
439 (colname.lower(), str('' if (itm is None) else itm), colname.lower()) | |
440 for (itm, colname) in zip(row, self.colnames)] | |
441 return '\n'.join(result) | |
442 def output_as_xml(self): | |
443 result = ['<%s>\n%s\n</%s>' % | |
444 (self.tblname, self.output_row_as_xml(row), self.tblname) | |
445 for row in self.rows] | |
446 return '\n'.join(result) | |
447 | |
448 def output_as_html_table(self): | |
449 result = ''.join('<th>%s</th>' % c for c in self.colnames) | |
450 result = [' <tr>\n %s\n </tr>' % result] | |
451 for row in self.rows: | |
452 result.append(' <tr>\n %s\n </tr>' % | |
453 (''.join('<td>%s</td>' % | |
454 str('' if (itm is None) else itm) | |
455 for itm in row))) | |
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456 result = '''<table id="%s"> |
0 | 457 %s |
458 </table>''' % (self.tblname, '\n'.join(result)) | |
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459 return result |
0 | 460 |
461 def output_as_list(self, align): | |
462 result = [] | |
463 colnamelen = max(len(colname) for colname in self.colnames) + 1 | |
464 for (idx, row) in enumerate(self.rows): | |
465 result.append('\n**** Row: %d' % (idx+1)) | |
466 for (itm, colname) in zip(row, self.colnames): | |
467 if align: | |
468 colname = colname.ljust(colnamelen) | |
469 result.append('%s: %s' % (colname, itm)) | |
470 return '\n'.join(result) | |
471 | |
472 tableNameFinder = re.compile(r'from\s+([\w$#_"]+)', re.IGNORECASE | re.MULTILINE | re.DOTALL) | |
473 def output(self, outformat, rowlimit): | |
474 self.tblname = self.tableNameFinder.search(self.curs.statement).group(1) | |
475 self.colnames = [d[0] for d in self.curs.description] | |
476 if outformat == '\\i': | |
477 result = self.output_as_insert_statements() | |
478 elif outformat == '\\x': | |
479 result = self.output_as_xml() | |
480 elif outformat == '\\g': | |
481 result = self.output_as_list(align=False) | |
482 elif outformat == '\\G': | |
483 result = self.output_as_list(align=True) | |
484 elif outformat in ('\\s', '\\S', '\\c', '\\C'): #csv | |
485 result = [] | |
486 if outformat in ('\\s', '\\c'): | |
487 result.append(','.join('"%s"' % colname for colname in self.colnames)) | |
488 for row in self.rows: | |
489 result.append(','.join('"%s"' % ('' if itm is None else itm) for itm in row)) | |
490 result = '\n'.join(result) | |
491 elif outformat == '\\h': | |
492 result = self.output_as_html_table() | |
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493 elif outformat == '\\t': |
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494 rows = [self.colnames] |
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495 rows.extend(list(self.rows)) |
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496 transpr = [[rows[y][x] for y in range(len(rows))]for x in range(len(rows[0]))] # matrix transpose |
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497 newdesc = [['ROW N.'+str(y),10] for y in range(len(rows))] |
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498 for x in range(len(self.curs.description)): |
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499 if str(self.curs.description[x][1]) == "<type 'cx_Oracle.BINARY'>": # handles RAW columns |
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500 rname = transpr[x][0] |
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501 transpr[x] = map(binascii.b2a_hex, transpr[x]) |
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502 transpr[x][0] = rname |
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503 self.debg=transpr |
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504 newdesc[0][0] = 'COLUMN NAME' |
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505 result = '\n' + sqlpython.pmatrix(transpr,newdesc) |
0 | 506 else: |
507 result = sqlpython.pmatrix(self.rows, self.curs.description, self.maxfetch) | |
508 return result | |
509 | |
5
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510 def do_select(self, arg, bindVarsIn=None, override_terminator=None): |
0 | 511 """Fetch rows from a table. |
512 | |
513 Limit the number of rows retrieved by appending | |
514 an integer after the terminator | |
515 (example: SELECT * FROM mytable;10 ) | |
516 | |
517 Output may be formatted by choosing an alternative terminator | |
518 ("help terminators" for details) | |
519 """ | |
520 bindVarsIn = bindVarsIn or {} | |
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521 self.query = 'select ' + arg |
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522 (self.query, terminator, rowlimit) = sqlpython.findTerminator(self.query) |
5
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523 if override_terminator: |
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524 terminator = override_terminator |
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525 rowlimit = int(rowlimit or 0) |
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526 try: |
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527 self.varsUsed = findBinds(self.query, self.binds, bindVarsIn) |
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528 self.curs.execute(self.query, self.varsUsed) |
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529 self.rows = self.curs.fetchmany(min(self.maxfetch, (rowlimit or self.maxfetch))) |
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530 self.desc = self.curs.description |
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531 self.rc = self.curs.rowcount |
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532 if self.rc > 0: |
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533 print '\n' + self.output(terminator, rowlimit) |
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534 if self.rc == 0: |
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535 print '\nNo rows Selected.\n' |
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536 elif self.rc == 1: |
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537 print '\n1 row selected.\n' |
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538 if self.autobind: |
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539 self.binds.update(dict(zip([d[0] for d in self.desc], self.rows[0]))) |
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540 elif self.rc < self.maxfetch: |
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541 print '\n%d rows selected.\n' % self.rc |
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542 else: |
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543 print '\nSelected Max Num rows (%d)' % self.rc |
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544 except Exception, e: |
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545 print e |
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546 import traceback |
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547 traceback.print_exc(file=sys.stdout) |
0 | 548 self.sqlBuffer.append(self.query) |
549 | |
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550 pullflags = flagReader.FlagSet([flagReader.Flag('full')]) |
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551 def do_pull(self, arg): |
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552 """Displays source code. |
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553 |
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554 --full, -f: get dependent objects as well""" |
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555 |
12
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556 options, arg = self.pullflags.parse(arg) |
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557 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
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558 print "%s %s.%s" % (object_type, owner, object_name) |
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559 print self.curs.callfunc('DBMS_METADATA.GET_DDL', cx_Oracle.CLOB, |
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560 [object_type, object_name, owner]) |
12
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561 if options.has_key('full'): |
13
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562 for dependent_type in ('OBJECT_GRANT', 'CONSTRAINT', 'TRIGGER'): |
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563 try: |
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564 print self.curs.callfunc('DBMS_METADATA.GET_DEPENDENT_DDL', cx_Oracle.CLOB, |
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565 [dependent_type, object_name, owner]) |
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566 except cx_Oracle.DatabaseError: |
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567 pass |
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568 |
14
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569 findflags = flagReader.FlagSet([flagReader.Flag('insensitive')]) |
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570 def do_find(self, arg): |
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571 """Finds argument in source code. |
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572 |
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573 --insensitive, -i: case-insensitive search""" |
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574 |
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575 options, arg = self.findflags.parse(arg) |
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576 if options.has_key('insensitive'): |
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577 searchfor = "LOWER(text)" |
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578 arg = arg.lower() |
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579 else: |
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580 searchfor = "text" |
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581 self.do_select("* from all_source where %s like '%%%s%%'" % (searchfor, arg)) |
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582 |
0 | 583 def do_describe(self, arg): |
584 "emulates SQL*Plus's DESCRIBE" | |
585 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) | |
586 print "%s %s.%s" % (object_type, owner, object_name) | |
5
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587 descQ = descQueries.get(object_type) |
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588 if descQ: |
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589 for q in descQ: |
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590 self.do_select(q,bindVarsIn={'object_name':object_name, 'owner':owner}) |
0 | 591 elif object_type == 'PACKAGE': |
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592 self.curs.execute(descQueries['PackageObjects'][0], {'package_name':object_name, 'owner':owner}) |
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593 packageContents = self.curs.fetchall() |
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594 for (packageObj_name,) in packageContents: |
0 | 595 print packageObj_name |
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596 self.do_select(descQueries['PackageObjArgs'][0],bindVarsIn={'package_name':object_name, 'owner':owner, 'object_name':packageObj_name}) |
0 | 597 do_desc = do_describe |
598 | |
599 def do_comments(self, arg): | |
600 'Prints comments on a table and its columns.' | |
601 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) | |
602 if object_type: | |
603 self.curs.execute(queries['tabComments'],{'table_name':object_name, 'owner':owner}) | |
604 print "%s %s.%s: %s" % (object_type, owner, object_name, self.curs.fetchone()[0]) | |
5
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605 self.do_select(queries['colComments'],bindVarsIn={'owner':owner, 'object_name': object_name}) |
0 | 606 |
607 def resolve(self, identifier): | |
608 """Checks (my objects).name, (my synonyms).name, (public synonyms).name | |
609 to resolve a database object's name. """ | |
610 parts = identifier.split('.') | |
611 try: | |
612 if len(parts) == 2: | |
613 owner, object_name = parts | |
614 self.curs.execute('SELECT object_type FROM all_objects WHERE owner = :owner AND object_name = :object_name', | |
615 {'owner': owner, 'object_name': object_name}) | |
616 object_type = self.curs.fetchone()[0] | |
617 elif len(parts) == 1: | |
618 object_name = parts[0] | |
619 self.curs.execute(queries['resolve'], {'objName':object_name}) | |
620 object_type, object_name, owner = self.curs.fetchone() | |
621 except TypeError: | |
622 print 'Could not resolve object %s.' % identifier | |
623 object_type, owner, object_name = '', '', '' | |
624 return object_type, owner, object_name | |
625 | |
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626 def do_resolve(self, arg): |
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627 print self.resolve(arg) |
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628 |
0 | 629 def spoolstop(self): |
630 if self.spoolFile: | |
631 sys.stdout = self.stdoutBeforeSpool | |
632 print 'Finished spooling to ', self.spoolFile.name | |
633 self.spoolFile.close() | |
634 self.spoolFile = None | |
635 | |
636 def do_spool(self, arg): | |
637 """spool [filename] - begins redirecting output to FILENAME.""" | |
638 self.spoolstop() | |
639 arg = arg.strip() | |
640 if not arg: | |
641 arg = 'output.lst' | |
642 if arg.lower() != 'off': | |
643 if '.' not in arg: | |
644 arg = '%s.lst' % arg | |
645 print 'Sending output to %s (until SPOOL OFF received)' % (arg) | |
646 self.spoolFile = open(arg, 'w') | |
647 sys.stdout = self.spoolFile | |
648 | |
649 def write(self, arg, fname): | |
650 originalOut = sys.stdout | |
651 f = open(fname, 'w') | |
652 sys.stdout = f | |
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653 self.onecmd_plus_hooks(arg) |
0 | 654 f.close() |
655 sys.stdout = originalOut | |
656 | |
657 def do_write(self, args): | |
658 'write [filename.extension] query - writes result to a file' | |
659 words = args.split(None, 1) | |
660 if len(words) > 1 and '.' in words[0]: | |
661 fname, command = words | |
662 else: | |
663 fname, command = 'output.txt', args | |
664 self.write(command, fname) | |
665 print 'Results written to %s' % os.path.join(os.getcwd(), fname) | |
666 | |
667 def do_compare(self, args): | |
668 """COMPARE query1 TO query2 - uses external tool to display differences. | |
669 | |
670 Sorting is recommended to avoid false hits.""" | |
671 fnames = [] | |
672 args2 = args.split(' to ') | |
673 for n in range(len(args2)): | |
674 query = args2[n] | |
675 fnames.append('compare%s.txt' % n) | |
676 if query.rstrip()[-1] != self.terminator: | |
677 query = '%s%s' % (query, self.terminator) | |
678 self.write(query, fnames[n]) | |
679 diffMergeSearcher.invoke(fnames[0], fnames[1]) | |
680 | |
681 bufferPosPattern = re.compile('\d+') | |
682 rangeIndicators = ('-',':') | |
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683 |
0 | 684 def do_run(self, arg): |
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685 """run [arg]: re-runs an earlier command |
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686 |
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687 no arg -> run most recent command |
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688 arg is integer -> run one history item, by index |
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689 arg is string -> run most recent command by string search |
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690 arg is /enclosed in forward-slashes/ -> run most recent by regex |
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691 """ |
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692 'run [N]: runs the SQL that was run N commands ago' |
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693 runme = self.last_matching(arg) |
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694 print runme |
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695 self.onecmd_plus_hooks(runme) |
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696 do_r = do_run |
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697 |
0 | 698 def do_ed(self, arg): |
699 'ed [N]: brings up SQL from N commands ago in text editor, and puts result in SQL buffer.' | |
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700 fname = 'sqlpython_temp.sql' |
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701 buffer = self.last_matching(arg) |
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702 if not buffer: |
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703 print 'Nothing appropriate in buffer to edit.' |
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704 return |
0 | 705 f = open(fname, 'w') |
706 f.write(buffer) | |
707 f.close() | |
708 editSearcher.invoke(fname) | |
709 self.load(fname) | |
710 do_edit = do_ed | |
711 def do_get(self, fname): | |
712 'Brings SQL commands from a file to the in-memory SQL buffer.' | |
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713 numCommandsLoaded = self.load(fname) |
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714 if numCommandsLoaded: |
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715 self.do_list('%d -' % (len(self.history) - numCommandsLoaded)) |
0 | 716 def do_getrun(self, fname): |
717 'Brings SQL commands from a file to the in-memory SQL buffer, and executes them.' | |
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718 numCommandsLoaded = self.load(fname) * -1 |
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719 if numCommandsLoaded: |
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720 for command in self.history[numCommandsLoaded:]: |
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721 self.onecmd_plus_hooks(command) |
0 | 722 def do_psql(self, arg): |
723 '''Shortcut commands emulating psql's backslash commands. | |
724 | |
725 \c connect | |
726 \d desc | |
727 \e edit | |
728 \g run | |
729 \h help | |
730 \i getrun | |
731 \o spool | |
732 \p list | |
733 \w save | |
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) | |
740 abbrev = words[0] | |
741 try: | |
742 args = words[1] | |
743 except IndexError: | |
744 args = '' | |
745 try: | |
746 self.onecmd('%s %s' % (commands[abbrev], args)) | |
747 self.onecmd('q') | |
748 except KeyError: | |
749 print 'psql command \%s not yet supported.' % abbrev | |
750 def do_save(self, fname): | |
751 'save FILENAME: Saves most recent SQL command to disk.' | |
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752 try: |
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753 f = open(fname, 'w') |
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754 f.write(self.sqlBuffer[-1]) |
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755 f.close() |
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756 except Exception, e: |
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757 print 'Error saving %s: %s' % (fname, str(e)) |
0 | 758 |
759 def do_print(self, arg): | |
760 'print VARNAME: Show current value of bind variable VARNAME.' | |
761 if arg: | |
762 if arg[0] == ':': | |
763 arg = arg[1:] | |
764 try: | |
765 print self.binds[arg] | |
766 except KeyError: | |
767 print 'No bind variable ', arg | |
768 else: | |
769 self.do_setbind('') | |
770 def do_setbind(self, arg): | |
771 args = arg.split(None, 2) | |
772 if len(args) == 0: | |
773 for (var, val) in self.binds.items(): | |
774 print ':%s = %s' % (var, val) | |
775 elif len(args) == 1: | |
776 try: | |
777 print ':%s = %s' % (args[0], self.binds[args[0]]) | |
778 except KeyError, e: | |
779 print noSuchBindMsg % args[0] | |
780 elif len(args) > 2 and args[1] in ('=',':='): | |
781 var, val = args[0], args[2] | |
782 if val[0] == val[-1] == "'" and len(val) > 1: | |
783 val = val[1:-1] | |
784 self.binds[var] = val | |
785 else: | |
786 print 'Could not parse ', args | |
787 def do_exec(self, arg): | |
788 if arg[0] == ':': | |
789 self.do_setbind(arg[1:]) | |
790 else: | |
791 self.default('exec %s' % arg) | |
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792 |
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793 def do_cat(self, arg): |
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794 targets = arg.split() |
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795 for target in targets: |
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796 self.do_select('* from %s' % target) |
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797 |
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798 def do_grep(self, arg): |
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799 """grep PATTERN TABLE - search for term in any of TABLE's fields""" |
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800 targets = arg.split() |
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801 pattern = targets.pop(0) |
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802 for target in targets: |
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803 target = target.rstrip(';') |
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804 sql = [] |
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805 try: |
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806 self.curs.execute('select * from %s where 1=0' % target) |
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807 sql = ' or '.join("%s LIKE '%%%s%%'" % (d[0], pattern) for d in self.curs.description) |
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808 sql = '* FROM %s WHERE %s' % (target, sql) |
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809 self.do_select(sql) |
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810 except Exception, e: |
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811 print e |
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812 import traceback |
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813 traceback.print_exc(file=sys.stdout) |
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814 |
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815 def do_refs(self, arg): |
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816 object_type, owner, object_name = self.resolve(arg.strip(self.terminator).upper()) |
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817 if object_type == 'TABLE': |
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818 self.do_select(queries['refs'],bindVarsIn={'object_name':object_name, 'owner':owner}) |
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819 |
0 | 820 def _test(): |
821 import doctest | |
822 doctest.testmod() | |
823 | |
824 if __name__ == "__main__": | |
825 "Silent return implies that all unit tests succeeded. Use -v to see details." | |
826 _test() |