1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
|
# -*- coding: utf-8 -*-
"""
/***************************************************************************
Name : DB Manager
Description : Database manager plugin for QGIS (Oracle)
Date : Aug 27, 2014
copyright : (C) 2014 by Médéric RIBREUX
email : mederic.ribreux@gmail.com
The content of this file is based on
- PG_Manager by Martin Dobias <wonder.sk@gmail.com> (GPLv2 license)
- DB Manager by Giuseppe Sucameli <brush.tyler@gmail.com> (GPLv2 license)
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
"""
from qgis.PyQt.QtWidgets import QApplication
from qgis.core import QGis
from ..info_model import TableInfo, VectorTableInfo, DatabaseInfo
from ..html_elems import HtmlContent, HtmlSection, HtmlParagraph, \
HtmlTable, HtmlTableHeader, HtmlTableCol
# Syntax Highlight for VIEWS/MVIEWS
from pygments import highlight
from pygments.lexers import get_lexer_by_name
from pygments.formatters import HtmlFormatter
class ORDatabaseInfo(DatabaseInfo):
def __init__(self, db):
self.db = db
def connectionDetails(self):
tbl = []
if self.db.connector.host != u"":
tbl.append((QApplication.translate("DBManagerPlugin", "Host:"),
self.db.connector.host))
tbl.append((QApplication.translate("DBManagerPlugin", "Database:"),
self.db.connector.dbname))
tbl.append((QApplication.translate("DBManagerPlugin", "User:"),
self.db.connector.user))
tbl.append((QApplication.translate("DBManagerPlugin",
"SQLite list tables cache:"),
"Enabled" if self.db.connector.hasCache else
"Unavailable"))
return HtmlTable(tbl)
def spatialInfo(self):
ret = []
info = self.db.connector.getSpatialInfo()
if not info:
return
tbl = [
(QApplication.translate("DBManagerPlugin", "Oracle\
Spatial:"),
info[0])
]
ret.append(HtmlTable(tbl))
if not self.db.connector.has_geometry_columns:
ret.append(
HtmlParagraph(
QApplication.translate(
"DBManagerPlugin",
(u"<warning> ALL_SDO_GEOM_METADATA"
u" view doesn't exist!\n"
u"This view is essential for many"
u"GIS applications for enumeration of tables."))))
return ret
def privilegesDetails(self):
""" find if user can create schemas (CREATE ANY TABLE or something)"""
# TODO
return None
class ORTableInfo(TableInfo):
def __init__(self, table):
self.table = table
if not self.table.objectType:
self.table.getType()
if not self.table.comment:
self.table.getComment()
if not self.table.estimatedRowCount and not self.table.isView:
self.table.refreshRowEstimation()
if not self.table.creationDate:
self.table.getDates()
def generalInfo(self):
ret = []
# if the estimation is less than 100 rows, try to count them - it
# shouldn't take long time
if (not self.table.isView
and not self.table.rowCount
and self.table.estimatedRowCount < 100):
# row count information is not displayed yet, so just block
# table signals to avoid double refreshing
# (infoViewer->refreshRowCount->tableChanged->infoViewer)
self.table.blockSignals(True)
self.table.refreshRowCount()
self.table.blockSignals(False)
relation_type = QApplication.translate(
"DBManagerPlugin", self.table.objectType)
tbl = [
(QApplication.translate("DBManagerPlugin", "Object type:"),
relation_type),
(QApplication.translate("DBManagerPlugin", "Owner:"),
self.table.owner)
]
if self.table.comment:
tbl.append(
(QApplication.translate(
"DBManagerPlugin",
"Comment:"),
self.table.comment))
# Estimated rows
if not self.table.isView:
tbl.append(
(QApplication.translate(
"DBManagerPlugin", "Rows (estimation):"),
self.table.estimatedRowCount)
)
if self.table.rowCount or self.table.rowCount >= 0:
# Add a real count of rows
tbl.append(
(QApplication.translate("DBManagerPlugin", "Rows (counted):"),
self.table.rowCount)
)
else:
tbl.append(
(QApplication.translate("DBManagerPlugin", "Rows (counted):"),
'Unknown (<a href="action:rows/recount">find out</a>)')
)
# Add creation and modification dates
if self.table.creationDate:
tbl.append(
(QApplication.translate("DBManagerPlugin", "Creation Date:"),
self.table.creationDate))
if self.table.modificationDate:
tbl.append(
(QApplication.translate(
"DBManagerPlugin", "Last Modification Date:"),
self.table.modificationDate))
# privileges
# has the user access to this schema?
schema_priv = self.table.database().connector.getSchemaPrivileges(
self.table.schemaName()) if self.table.schema() else None
if not schema_priv:
pass
elif schema_priv[1] is False: # no usage privileges on the schema
tbl.append((QApplication.translate(
"DBManagerPlugin", "Privileges:"),
QApplication.translate(
"DBManagerPlugin",
(u"<warning> This user doesn't have usage privileges"
u"for this schema!"))))
else:
table_priv = self.table.database().connector.getTablePrivileges(
(self.table.schemaName(), self.table.name))
privileges = []
if table_priv[0]:
privileges.append("select")
if table_priv[1]:
privileges.append("insert")
if table_priv[2]:
privileges.append("update")
if table_priv[3]:
privileges.append("delete")
if len(privileges) > 0:
priv_string = u", ".join(privileges)
else:
priv_string = QApplication.translate(
"DBManagerPlugin",
'<warning> This user has no privileges!')
tbl.append(
(QApplication.translate(
"DBManagerPlugin", "Privileges:"),
priv_string))
ret.append(HtmlTable(tbl))
if schema_priv and schema_priv[1]:
if (table_priv[0]
and not table_priv[1]
and not table_priv[2]
and not table_priv[3]):
ret.append(
HtmlParagraph(QApplication.translate(
"DBManagerPlugin",
"<warning> This user has read-only privileges.")))
# primary key defined?
if (not self.table.isView
and self.table.objectType != u"MATERIALIZED VIEW"):
pk = [fld for fld in self.table.fields() if fld.primaryKey]
if len(pk) <= 0:
ret.append(
HtmlParagraph(QApplication.translate(
"DBManagerPlugin",
"<warning> No primary key defined for this table!")))
return ret
def getSpatialInfo(self):
ret = []
info = self.db.connector.getSpatialInfo()
if not info:
return
tbl = [
(QApplication.translate(
"DBManagerPlugin", "Library:"), info[0]) # ,
]
ret.append(HtmlTable(tbl))
if not self.db.connector.has_geometry_columns:
ret.append(HtmlParagraph(
QApplication.translate(
"DBManagerPlugin",
(u"<warning> ALL_SDO_GEOM_METADATA table doesn't exist!\n"
u"This table is essential for many GIS"
u"applications for enumeration of tables."))))
return ret
def fieldsDetails(self):
tbl = []
# define the table header
header = (
"#",
QApplication.translate("DBManagerPlugin", "Name"),
QApplication.translate("DBManagerPlugin", "Type"),
QApplication.translate("DBManagerPlugin", "Length"),
QApplication.translate("DBManagerPlugin", "Null"),
QApplication.translate("DBManagerPlugin", "Default"),
QApplication.translate("DBManagerPlugin", "Comment"))
tbl.append(HtmlTableHeader(header))
# add table contents
for fld in self.table.fields():
char_max_len = fld.charMaxLen if fld.charMaxLen else ""
if fld.modifier:
char_max_len = u"{},{}".format(char_max_len, fld.modifier)
is_null_txt = "N" if fld.notNull else "Y"
# make primary key field underlined
attrs = {"class": "underline"} if fld.primaryKey else None
name = HtmlTableCol(fld.name, attrs)
tbl.append(
(fld.num, name, fld.type2String(), char_max_len,
is_null_txt, fld.default2String(), fld.comment))
return HtmlTable(tbl, {"class": "header"})
def constraintsDetails(self):
if not self.table.constraints():
return None
tbl = []
# define the table header
header = (QApplication.translate("DBManagerPlugin", "Name"),
QApplication.translate("DBManagerPlugin", "Type"),
QApplication.translate("DBManagerPlugin", "Column"),
QApplication.translate("DBManagerPlugin", "Status"),
QApplication.translate("DBManagerPlugin", "Validated"),
QApplication.translate("DBManagerPlugin", "Generated"),
QApplication.translate("DBManagerPlugin", "Check condition"),
QApplication.translate("DBManagerPlugin", "Foreign Table"),
QApplication.translate("DBManagerPlugin", "Foreign column"),
QApplication.translate("DBManagerPlugin", "On Delete"))
tbl.append(HtmlTableHeader(header))
# add table contents
for con in self.table.constraints():
tbl.append((con.name, con.type2String(), con.column,
con.status, con.validated, con.generated,
con.checkSource, con.foreignTable,
con.foreignKey, con.foreignOnDelete))
return HtmlTable(tbl, {"class": "header"})
def indexesDetails(self):
if not self.table.indexes():
return None
tbl = []
# define the table header
header = (QApplication.translate("DBManagerPlugin", "Name"),
QApplication.translate("DBManagerPlugin", "Column(s)"),
QApplication.translate("DBManagerPlugin", "Index Type"),
QApplication.translate("DBManagerPlugin", "Status"),
QApplication.translate("DBManagerPlugin", "Last analyzed"),
QApplication.translate("DBManagerPlugin", "Compression"),
QApplication.translate("DBManagerPlugin", "Uniqueness"),
QApplication.translate("DBManagerPlugin", "Action"))
tbl.append(HtmlTableHeader(header))
# add table contents
for idx in self.table.indexes():
# get the fields the index is defined on
tbl.append((idx.name, idx.column, idx.indexType,
idx.status, idx.analyzed, idx.compression,
idx.isUnique,
(u'<a href="action:index/{}/rebuild">Rebuild'
u"""</a>""".format(idx.name))))
return HtmlTable(tbl, {"class": "header"})
def triggersDetails(self):
if not self.table.triggers():
return None
ret = []
tbl = []
# define the table header
header = (
QApplication.translate("DBManagerPlugin", "Name"),
QApplication.translate("DBManagerPlugin", "Event"),
QApplication.translate("DBManagerPlugin", "Type"),
QApplication.translate("DBManagerPlugin", "Enabled"))
tbl.append(HtmlTableHeader(header))
# add table contents
for trig in self.table.triggers():
name = (u"""{0} (<a href="action:trigger/"""
u"""{0}/{1}">{1}</a>)""".format(trig.name, "delete"))
if trig.enabled == u"ENABLED":
enabled, action = (
QApplication.translate("DBManagerPlugin", "Yes"),
u"disable")
else:
enabled, action = (
QApplication.translate("DBManagerPlugin", "No"),
"enable")
txt_enabled = (u"""{0} (<a href="action:trigger/"""
u"""{1}/{2}">{2}</a>)""".format(
enabled, trig.name, action))
tbl.append((name, trig.event, trig.type, txt_enabled))
ret.append(HtmlTable(tbl, {"class": "header"}))
ret.append(
HtmlParagraph(
QApplication.translate(
"DBManagerPlugin",
(u'<a href="action:triggers/enable">'
u'Enable all triggers</a> / '
u'<a href="action:triggers/disable">'
u'Disable all triggers</a>'))))
return ret
def getTableInfo(self):
ret = []
general_info = self.generalInfo()
if not general_info:
pass
else:
ret.append(
HtmlSection(
QApplication.translate(
"DBManagerPlugin", 'General info'),
general_info))
# spatial info
spatial_info = self.spatialInfo()
if not spatial_info:
pass
else:
spatial_info = HtmlContent(spatial_info)
if not spatial_info.hasContents():
spatial_info = QApplication.translate(
"DBManagerPlugin",
'<warning> This is not a spatial table.')
ret.append(
HtmlSection(
self.table.database().connection().typeNameString(),
spatial_info))
# fields
fields_details = self.fieldsDetails()
if not fields_details:
pass
else:
ret.append(
HtmlSection(
QApplication.translate(
"DBManagerPlugin",
'Fields'),
fields_details))
# constraints
constraints_details = self.constraintsDetails()
if not constraints_details:
pass
else:
ret.append(
HtmlSection(
QApplication.translate(
"DBManagerPlugin",
'Constraints'),
constraints_details))
# indexes
indexes_details = self.indexesDetails()
if not indexes_details:
pass
else:
ret.append(
HtmlSection(
QApplication.translate(
"DBManagerPlugin",
'Indexes'),
indexes_details))
# triggers
triggers_details = self.triggersDetails()
if not triggers_details:
pass
else:
ret.append(
HtmlSection(
QApplication.translate(
"DBManagerPlugin",
'Triggers'),
triggers_details))
if self.table.objectType == u"MATERIALIZED VIEW":
mview_info = self.getMViewInfo()
ret.append(
HtmlSection(
QApplication.translate(
"DBManagerPlugin",
'Materialized View information'),
mview_info))
return ret
def getMViewInfo(self):
"""If the table is a materialized view, grab more
information...
"""
ret = []
tbl = []
values = self.table.getMViewInfo()
tbl.append((QApplication.translate("DBManagerPlugin",
"Refresh Mode:"),
values[0]))
tbl.append((QApplication.translate("DBManagerPlugin",
"Refresh Method:"),
values[1]))
tbl.append((QApplication.translate("DBManagerPlugin",
"Build Mode:"),
values[2]))
tbl.append((QApplication.translate("DBManagerPlugin",
"Last Refresh Date:"),
values[5]))
tbl.append((QApplication.translate("DBManagerPlugin",
"Last Refresh Type:"),
values[4]))
tbl.append((QApplication.translate("DBManagerPlugin",
"Fast Refreshable:"),
values[3]))
tbl.append((QApplication.translate("DBManagerPlugin",
"Staleness:"),
values[6]))
tbl.append((QApplication.translate("DBManagerPlugin",
"Stale since:"),
values[7]))
tbl.append((QApplication.translate("DBManagerPlugin",
"Compile State:"),
values[8]))
tbl.append((QApplication.translate("DBManagerPlugin",
"Use no index:"),
values[9]))
tbl.append((QApplication.translate(
"DBManagerPlugin",
(u'<a href="action:mview/refresh">Refresh the materializ'
u'ed view</a>')),
u""))
ret.append(HtmlTable(tbl))
return ret
def getViewInfo(self):
"""If the table is a view or a materialized view, add the
definition of the view.
"""
if self.table.objectType not in [u"VIEW", u"MATERIALIZED VIEW"]:
return []
ret = self.getTableInfo()
# view definition
view_def = self.table.getDefinition()
# Syntax highlight
lexer = get_lexer_by_name("sql")
formatter = HtmlFormatter(
linenos=True, cssclass="source", noclasses=True)
result = highlight(view_def, lexer, formatter)
if view_def:
if self.table.objectType == u"VIEW":
title = u"View Definition"
else:
title = u"Materialized View Definition"
ret.append(
HtmlSection(
QApplication.translate("DBManagerPlugin", title),
result))
return ret
def toHtml(self):
if self.table.objectType in [u"VIEW", u"MATERIALIZED VIEW"]:
ret = self.getViewInfo()
else:
ret = self.getTableInfo()
return HtmlContent(ret).toHtml()
class ORVectorTableInfo(ORTableInfo, VectorTableInfo):
def __init__(self, table):
VectorTableInfo.__init__(self, table)
ORTableInfo.__init__(self, table)
def spatialInfo(self):
ret = []
if not self.table.geomType:
return ret
tbl = [
(QApplication.translate("DBManagerPlugin", "Column:"),
self.table.geomColumn),
(QApplication.translate("DBManagerPlugin", "Geometry:"),
self.table.geomType),
(QApplication.translate("DBManagerPlugin",
"QGis Geometry type:"),
QGis.featureType(self.table.wkbType))
]
# only if we have info from geometry_columns
if self.table.geomDim:
tbl.append(
(QApplication.translate(
"DBManagerPlugin",
"Dimension:"),
self.table.geomDim))
srid = self.table.srid if self.table.srid else -1
if srid != -1:
sr_info = (
self.table.database().connector.getSpatialRefInfo(srid))
else:
sr_info = QApplication.translate("DBManagerPlugin",
"Undefined")
if sr_info:
tbl.append(
(QApplication.translate(
"DBManagerPlugin", "Spatial ref:"),
u"{0} ({1})".format(sr_info, srid)))
# estimated extent
if not self.table.estimatedExtent:
# estimated extent information is not displayed yet, so just block
# table signals to avoid double refreshing
# (infoViewer->refreshEstimatedExtent->tableChanged->infoViewer)
self.table.blockSignals(True)
self.table.refreshTableEstimatedExtent()
self.table.blockSignals(False)
if self.table.estimatedExtent:
estimated_extent_str = (u"{:.9f}, {:.9f} - {:.9f}, "
u"{:.9f}".format(
*self.table.estimatedExtent))
tbl.append(
(QApplication.translate(
"DBManagerPlugin", "Estimated extent:"),
estimated_extent_str))
# extent
extent_str = None
if self.table.extent and len(self.table.extent) == 4:
extent_str = (u"{:.9f}, {:.9f} - {:.9f}, "
u"{:.9f}".format(*self.table.extent))
elif self.table.rowCount > 0 or self.table.estimatedRowCount > 0:
# Can't calculate an extent on empty layer
extent_str = QApplication.translate(
"DBManagerPlugin",
'(unknown) (<a href="action:extent/get">find out</a>)')
if extent_str:
tbl.append(
(QApplication.translate(
"DBManagerPlugin", "Extent:"),
extent_str))
ret.append(HtmlTable(tbl))
# Handle extent update metadata
if (self.table.extent
and self.table.extent != self.table.estimatedExtent
and self.table.canUpdateMetadata()):
ret.append(
HtmlParagraph(
QApplication.translate(
"DBManagerPlugin",
(u'<warning> Metadata extent is different from'
u'real extent. You should <a href="action:extent'
u'/update">update it</a>!'))))
# is there an entry in geometry_columns?
if self.table.geomType.lower() == 'geometry':
ret.append(
HtmlParagraph(
QApplication.translate(
"DBManagerPlugin",
"<warning> There is no entry in geometry_columns!")))
# find out whether the geometry column has spatial index on it
if not self.table.isView:
if not self.table.hasSpatialIndex():
ret.append(
HtmlParagraph(
QApplication.translate(
"DBManagerPlugin",
(u'<warning> No spatial index defined (<a href='
u'"action:spatialindex/create">'
u'create it</a>).'))))
return ret
|
