PostgreSQL Source Code: src/backend/tcop/postgres.c Source File (original) (raw)
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19
21
22#include <fcntl.h>
23#include <limits.h>
24#include <signal.h>
29
30#ifdef USE_VALGRIND
31#include <valgrind/valgrind.h>
32#endif
33
84
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87
88
90
91
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94
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98
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101
102
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108
109
110
111
112
113
115{
120
121
122
123
124
125
126
127
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133
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136
138
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140
141
142
145
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149
150
152
153
154static const char *userDoption = NULL;
155static bool EchoQuery = false;
157
158
161
162
165
166
167
168
169
189
190
191
192
193
194
195#ifdef USE_VALGRIND
196
197static unsigned int old_valgrind_error_count;
198
199
200
201
202
203
204static void
206{
207 unsigned int valgrind_error_count = VALGRIND_COUNT_ERRORS;
208
209 if (unlikely(valgrind_error_count != old_valgrind_error_count) &&
210 query != NULL)
211 VALGRIND_PRINTF("Valgrind detected %u error(s) during execution of \"%s\"\n",
212 valgrind_error_count - old_valgrind_error_count,
213 query);
214}
215
216#else
217#define valgrind_report_error_query(query) ((void) 0)
218#endif
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236static int
238{
239 int c;
240
241
242
243
246
248
249
250
251
253 {
254 if (c == '\n')
255 {
257 {
258
259
260
261
262 if (inBuf->len > 1 &&
263 inBuf->data[inBuf->len - 1] == '\n' &&
264 inBuf->data[inBuf->len - 2] == ';')
265 {
266
267 break;
268 }
269 }
270 else
271 {
272
273
274
275
276 if (inBuf->len > 0 &&
277 inBuf->data[inBuf->len - 1] == '\\')
278 {
279
280 inBuf->data[--inBuf->len] = '\0';
281
282 continue;
283 }
284 else
285 {
286
288 break;
289 }
290 }
291 }
292
293
295 }
296
297
298 if (c == EOF && inBuf->len == 0)
299 return EOF;
300
301
302
303
304
305
307
308
309
310
312 printf("statement: %s\n", inBuf->data);
314
316}
317
318
319
320
321
322
323
324static int
326{
327 int c;
328
329
330
331
332
333
334
336
337 c = getc(stdin);
338
340
341 return c;
342}
343
344
345
346
347
348
349
350
351
352static int
354{
355 int qtype;
356 int maxmsglen;
357
358
359
360
364
365 if (qtype == EOF)
366 {
369 (errcode(ERRCODE_CONNECTION_FAILURE),
370 errmsg("unexpected EOF on client connection with an open transaction")));
371 else
372 {
373
374
375
376
377
380 (errcode(ERRCODE_CONNECTION_DOES_NOT_EXIST),
381 errmsg_internal("unexpected EOF on client connection")));
382 }
383 return qtype;
384 }
385
386
387
388
389
390
391
392
393
394
395
396 switch (qtype)
397 {
401 break;
402
406 break;
407
412 break;
413
418 break;
419
426 break;
427
430
432
434 break;
435
439 break;
440
445 break;
446
447 default:
448
449
450
451
452
453
455 (errcode(ERRCODE_PROTOCOL_VIOLATION),
456 errmsg("invalid frontend message type %d", qtype)));
457 maxmsglen = 0;
458 break;
459 }
460
461
462
463
464
465
467 return EOF;
469
470 return qtype;
471}
472
473
474
475
476
477
478
479
480static int
482{
483 int result;
484
487 else
489 return result;
490}
491
492
493
494
495
496
497
498
499
500
501void
503{
504 int save_errno = errno;
505
507 {
508
510
511
514
515
518 }
520 {
521
522
523
524
525
526
527
528
529 if (blocked)
531 else
533 }
534
535 errno = save_errno;
536}
537
538
539
540
541
542
543
544
545
546
547void
549{
550 int save_errno = errno;
551
553 {
554
555
556
557
558
559
560
561
562
563 if (blocked)
564 {
565
566
567
568
570 {
571
572
573
574
575
576
579
581 }
582 }
583 else
585 }
586
587 errno = save_errno;
588}
589
590
591
592
593
594
595
596
597
598
599
600
601
602
605{
606 List *raw_parsetree_list;
607
608 TRACE_POSTGRESQL_QUERY_PARSE_START(query_string);
609
612
614
617
618#ifdef DEBUG_NODE_TESTS_ENABLED
619
620
621 if (Debug_copy_parse_plan_trees)
622 {
624
625
627 elog(WARNING, "copyObject() failed to produce an equal raw parse tree");
628 else
629 raw_parsetree_list = new_list;
630 }
631
632
633
634
635
636 if (Debug_write_read_parse_plan_trees)
637 {
640
642
644 elog(WARNING, "outfuncs/readfuncs failed to produce an equal raw parse tree");
645 else
646 raw_parsetree_list = new_list;
647 }
648
649#endif
650
651 TRACE_POSTGRESQL_QUERY_PARSE_DONE(query_string);
652
656
657 return raw_parsetree_list;
658}
659
660
661
662
663
664
665
666
667
668
671 const char *query_string,
672 const Oid *paramTypes,
673 int numParams,
675{
677 List *querytree_list;
678
679 TRACE_POSTGRESQL_QUERY_REWRITE_START(query_string);
680
681
682
683
686
688 queryEnv);
689
691 ShowUsage("PARSE ANALYSIS STATISTICS");
692
693
694
695
697
698 TRACE_POSTGRESQL_QUERY_REWRITE_DONE(query_string);
699
700 return querytree_list;
701}
702
703
704
705
706
707
710 const char *query_string,
711 Oid **paramTypes,
712 int *numParams,
714{
716 List *querytree_list;
717
718 TRACE_POSTGRESQL_QUERY_REWRITE_START(query_string);
719
720
721
722
725
727 queryEnv);
728
729
730
731
732 for (int i = 0; i < *numParams; i++)
733 {
734 Oid ptype = (*paramTypes)[i];
735
736 if (ptype == InvalidOid || ptype == UNKNOWNOID)
738 (errcode(ERRCODE_INDETERMINATE_DATATYPE),
739 errmsg("could not determine data type of parameter $%d",
740 i + 1)));
741 }
742
744 ShowUsage("PARSE ANALYSIS STATISTICS");
745
746
747
748
750
751 TRACE_POSTGRESQL_QUERY_REWRITE_DONE(query_string);
752
753 return querytree_list;
754}
755
756
757
758
759
760
761
764 const char *query_string,
766 void *parserSetupArg,
768{
770 List *querytree_list;
771
772 TRACE_POSTGRESQL_QUERY_REWRITE_START(query_string);
773
774
775
776
779
780 query = parse_analyze_withcb(parsetree, query_string, parserSetup, parserSetupArg,
781 queryEnv);
782
784 ShowUsage("PARSE ANALYSIS STATISTICS");
785
786
787
788
790
791 TRACE_POSTGRESQL_QUERY_REWRITE_DONE(query_string);
792
793 return querytree_list;
794}
795
796
797
798
799
800
801
804{
805 List *querytree_list;
806
810
813
815 {
816
818 }
819 else
820 {
821
823 }
824
826 ShowUsage("REWRITER STATISTICS");
827
828#ifdef DEBUG_NODE_TESTS_ENABLED
829
830
831 if (Debug_copy_parse_plan_trees)
832 {
834
836
838 elog(WARNING, "copyObject() failed to produce an equal rewritten parse tree");
839 else
841 }
842
843
844 if (Debug_write_read_parse_plan_trees)
845 {
848
849 foreach(lc, querytree_list)
850 {
853 Query *new_query = stringToNodeWithLocations(str);
854
855
856
857
858
859 new_query->queryId = curr_query->queryId;
860
863 }
864
865
867 elog(WARNING, "outfuncs/readfuncs failed to produce an equal rewritten parse tree");
868 else
870 }
871
872#endif
873
877
878 return querytree_list;
879}
880
881
882
883
884
885
889{
891
892
894 return NULL;
895
896
898
899 TRACE_POSTGRESQL_QUERY_PLAN_START();
900
903
904
906
909
910#ifdef DEBUG_NODE_TESTS_ENABLED
911
912
913 if (Debug_copy_parse_plan_trees)
914 {
916
917
918
919
920
921#ifdef NOT_USED
922
924 elog(WARNING, "copyObject() failed to produce an equal plan tree");
925 else
926#endif
927 plan = new_plan;
928 }
929
930
931 if (Debug_write_read_parse_plan_trees)
932 {
933 char *str;
935
937 new_plan = stringToNodeWithLocations(str);
939
940
941
942
943
944#ifdef NOT_USED
945
947 elog(WARNING, "outfuncs/readfuncs failed to produce an equal plan tree");
948 else
949#endif
950 plan = new_plan;
951 }
952
953#endif
954
955
956
957
960
961 TRACE_POSTGRESQL_QUERY_PLAN_DONE();
962
964}
965
966
967
968
969
970
971
972
973
977{
980
981 foreach(query_list, querytrees)
982 {
985
987 {
988
991 stmt->canSetTag = query->canSetTag;
994 stmt->stmt_len = query->stmt_len;
995 stmt->queryId = query->queryId;
997 }
998 else
999 {
1001 boundParams, NULL);
1002 }
1003
1005 }
1006
1007 return stmt_list;
1008}
1009
1010
1011
1012
1013
1014
1015
1016static void
1018{
1021 List *parsetree_list;
1024 bool was_logged = false;
1025 bool use_implicit_block;
1026 char msec_str[32];
1027
1028
1029
1030
1032
1034
1035 TRACE_POSTGRESQL_QUERY_START(query_string);
1036
1037
1038
1039
1040
1041 if (save_log_statement_stats)
1043
1044
1045
1046
1047
1048
1049
1050
1052
1053
1054
1055
1056
1057
1058
1060
1061
1062
1063
1065
1066
1067
1068
1069
1071
1072
1074 {
1076 (errmsg("statement: %s", query_string),
1079 was_logged = true;
1080 }
1081
1082
1083
1084
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095 use_implicit_block = (list_length(parsetree_list) > 1);
1096
1097
1098
1099
1100 foreach(parsetree_item, parsetree_list)
1101 {
1103 bool snapshot_set = false;
1107 List *querytree_list,
1108 *plantree_list;
1112 const char *cmdtagname;
1113 size_t cmdtaglen;
1114
1117
1118
1119
1120
1121
1122
1123
1126
1128
1130
1131
1132
1133
1134
1135
1136
1137
1138
1142 (errcode(ERRCODE_IN_FAILED_SQL_TRANSACTION),
1143 errmsg("current transaction is aborted, "
1144 "commands ignored until end of transaction block"),
1146
1147
1149
1150
1151
1152
1153
1154
1155
1156
1157 if (use_implicit_block)
1159
1160
1162
1163
1164
1165
1167 {
1169 snapshot_set = true;
1170 }
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184 if (lnext(parsetree_list, parsetree_item) != NULL)
1185 {
1186 per_parsetree_context =
1188 "per-parsetree message context",
1191 }
1192 else
1194
1196 NULL, 0, NULL);
1197
1198 plantree_list = pg_plan_queries(querytree_list, query_string,
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211 if (snapshot_set)
1213
1214
1216
1217
1218
1219
1220
1222
1223 portal->visible = false;
1224
1225
1226
1227
1228
1229
1231 NULL,
1232 query_string,
1233 commandTag,
1234 plantree_list,
1235 NULL);
1236
1237
1238
1239
1241
1242
1243
1244
1245
1246
1247
1248 format = 0;
1250 {
1252
1254 {
1256
1259 format = 1;
1260 }
1261 }
1263
1264
1265
1266
1270
1271
1272
1273
1275
1276
1277
1278
1281 true,
1282 receiver,
1283 receiver,
1284 &qc);
1285
1286 receiver->rDestroy(receiver);
1287
1289
1290 if (lnext(parsetree_list, parsetree_item) == NULL)
1291 {
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301 if (use_implicit_block)
1304 }
1306 {
1307
1308
1309
1310
1312 }
1313 else
1314 {
1315
1316
1317
1318
1319
1321
1322
1323
1324
1325
1327
1328
1329
1330
1331
1332
1334 }
1335
1336
1337
1338
1339
1340
1341
1343
1344
1345 if (per_parsetree_context)
1347 }
1348
1349
1350
1351
1352
1353
1355
1356
1357
1358
1359 if (!parsetree_list)
1361
1362
1363
1364
1366 {
1367 case 1:
1369 (errmsg("duration: %s ms", msec_str),
1371 break;
1372 case 2:
1374 (errmsg("duration: %s ms statement: %s",
1375 msec_str, query_string),
1378 break;
1379 }
1380
1381 if (save_log_statement_stats)
1383
1384 TRACE_POSTGRESQL_QUERY_DONE(query_string);
1385
1387}
1388
1389
1390
1391
1392
1393
1394static void
1396 const char *stmt_name,
1397 Oid *paramTypes,
1398 int numParams)
1399{
1402 List *parsetree_list;
1403 RawStmt *raw_parse_tree;
1404 List *querytree_list;
1406 bool is_named;
1408 char msec_str[32];
1409
1410
1411
1412
1414
1416
1418
1419 if (save_log_statement_stats)
1421
1424 *stmt_name ? stmt_name : "",
1425 query_string)));
1426
1427
1428
1429
1430
1431
1432
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448 is_named = (stmt_name[0] != '\0');
1449 if (is_named)
1450 {
1451
1453 }
1454 else
1455 {
1456
1458
1459 unnamed_stmt_context =
1461 "unnamed prepared statement",
1464 }
1465
1466
1467
1468
1469
1471
1472
1473
1474
1475
1476
1479 (errcode(ERRCODE_SYNTAX_ERROR),
1480 errmsg("cannot insert multiple commands into a prepared statement")));
1481
1482 if (parsetree_list != NIL)
1483 {
1484 bool snapshot_set = false;
1485
1487
1488
1489
1490
1491
1492
1493
1494
1495
1499 (errcode(ERRCODE_IN_FAILED_SQL_TRANSACTION),
1500 errmsg("current transaction is aborted, "
1501 "commands ignored until end of transaction block"),
1503
1504
1505
1506
1507
1510
1511
1512
1513
1515 {
1517 snapshot_set = true;
1518 }
1519
1520
1521
1522
1523
1524
1526 query_string,
1527 ¶mTypes,
1528 &numParams,
1529 NULL);
1530
1531
1532 if (snapshot_set)
1534 }
1535 else
1536 {
1537
1538 raw_parse_tree = NULL;
1540 CMDTAG_UNKNOWN);
1541 querytree_list = NIL;
1542 }
1543
1544
1545
1546
1547
1548
1549
1550 if (unnamed_stmt_context)
1552
1553
1555 querytree_list,
1556 unnamed_stmt_context,
1557 paramTypes,
1558 numParams,
1559 NULL,
1560 NULL,
1562 true);
1563
1564
1566
1567 if (is_named)
1568 {
1569
1570
1571
1573 }
1574 else
1575 {
1576
1577
1578
1581 }
1582
1584
1585
1586
1587
1588
1589
1591
1592
1593
1594
1597
1598
1599
1600
1602 {
1603 case 1:
1605 (errmsg("duration: %s ms", msec_str),
1607 break;
1608 case 2:
1610 (errmsg("duration: %s ms parse %s: %s",
1611 msec_str,
1612 *stmt_name ? stmt_name : "",
1613 query_string),
1615 break;
1616 }
1617
1618 if (save_log_statement_stats)
1619 ShowUsage("PARSE MESSAGE STATISTICS");
1620
1622}
1623
1624
1625
1626
1627
1628
1629static void
1631{
1632 const char *portal_name;
1633 const char *stmt_name;
1634 int numPFormats;
1635 int16 *pformats = NULL;
1636 int numParams;
1637 int numRFormats;
1638 int16 *rformats = NULL;
1642 char *query_string;
1643 char *saved_stmt_name;
1647 bool snapshot_set = false;
1648 char msec_str[32];
1652
1653
1656
1659 *portal_name ? portal_name : "",
1660 *stmt_name ? stmt_name : "")));
1661
1662
1663 if (stmt_name[0] != '\0')
1664 {
1666
1669 }
1670 else
1671 {
1672
1674 if (!psrc)
1676 (errcode(ERRCODE_UNDEFINED_PSTATEMENT),
1677 errmsg("unnamed prepared statement does not exist")));
1678 }
1679
1680
1681
1682
1684
1686
1688 {
1690
1691 if (query->queryId != INT64CONST(0))
1692 {
1694 break;
1695 }
1696 }
1697
1699
1700 if (save_log_statement_stats)
1702
1703
1704
1705
1706
1707
1708
1710
1711
1713
1714
1715 numPFormats = pq_getmsgint(input_message, 2);
1716 if (numPFormats > 0)
1717 {
1719 for (int i = 0; i < numPFormats; i++)
1721 }
1722
1723
1725
1726 if (numPFormats > 1 && numPFormats != numParams)
1728 (errcode(ERRCODE_PROTOCOL_VIOLATION),
1729 errmsg("bind message has %d parameter formats but %d parameters",
1730 numPFormats, numParams)));
1731
1734 (errcode(ERRCODE_PROTOCOL_VIOLATION),
1735 errmsg("bind message supplies %d parameters, but prepared statement \"%s\" requires %d",
1736 numParams, stmt_name, psrc->num_params)));
1737
1738
1739
1740
1741
1742
1743
1744
1745
1749 numParams != 0))
1751 (errcode(ERRCODE_IN_FAILED_SQL_TRANSACTION),
1752 errmsg("current transaction is aborted, "
1753 "commands ignored until end of transaction block"),
1755
1756
1757
1758
1759
1760 if (portal_name[0] == '\0')
1761 portal = CreatePortal(portal_name, true, true);
1762 else
1763 portal = CreatePortal(portal_name, false, false);
1764
1765
1766
1767
1768
1769
1770
1772
1773
1775
1776
1777 if (stmt_name[0])
1778 saved_stmt_name = pstrdup(stmt_name);
1779 else
1780 saved_stmt_name = NULL;
1781
1782
1783
1784
1785
1786
1787
1788
1789 if (numParams > 0 ||
1792 {
1794 snapshot_set = true;
1795 }
1796
1797
1798
1799
1800 if (numParams > 0)
1801 {
1802 char **knownTextValues = NULL;
1804
1805
1806
1807
1808
1810 one_param_data.paramno = -1;
1811 one_param_data.paramval = NULL;
1814 params_errcxt.arg = &one_param_data;
1816
1818
1819 for (int paramno = 0; paramno < numParams; paramno++)
1820 {
1824 bool isNull;
1826 char csave;
1828
1829 one_param_data.paramno = paramno;
1830 one_param_data.paramval = NULL;
1831
1833 isNull = (plength == -1);
1834
1835 if (!isNull)
1836 {
1837 char *pvalue;
1838
1839
1840
1841
1842
1843
1844
1845
1847 csave = pvalue[plength];
1848 pvalue[plength] = '\0';
1850 }
1851 else
1852 {
1853 pbuf.data = NULL;
1854 csave = 0;
1855 }
1856
1857 if (numPFormats > 1)
1858 pformat = pformats[paramno];
1859 else if (numPFormats > 0)
1860 pformat = pformats[0];
1861 else
1862 pformat = 0;
1863
1864 if (pformat == 0)
1865 {
1866 Oid typinput;
1867 Oid typioparam;
1868 char *pstring;
1869
1871
1872
1873
1874
1875
1876 if (isNull)
1877 pstring = NULL;
1878 else
1880
1881
1882 one_param_data.paramval = pstring;
1883
1885
1886 one_param_data.paramval = NULL;
1887
1888
1889
1890
1891
1892
1893 if (pstring)
1894 {
1896 {
1898
1900
1901 if (knownTextValues == NULL)
1902 knownTextValues = palloc0_array(char *, numParams);
1903
1905 knownTextValues[paramno] = pstrdup(pstring);
1906 else
1907 {
1908
1909
1910
1911
1912
1913
1914
1915 knownTextValues[paramno] =
1919 }
1920
1922 }
1923 if (pstring != pbuf.data)
1925 }
1926 }
1927 else if (pformat == 1)
1928 {
1929 Oid typreceive;
1930 Oid typioparam;
1932
1933
1934
1935
1937
1938 if (isNull)
1939 bufptr = NULL;
1940 else
1941 bufptr = &pbuf;
1942
1944
1945
1946 if (!isNull && pbuf.cursor != pbuf.len)
1948 (errcode(ERRCODE_INVALID_BINARY_REPRESENTATION),
1949 errmsg("incorrect binary data format in bind parameter %d",
1950 paramno + 1)));
1951 }
1952 else
1953 {
1955 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
1956 errmsg("unsupported format code: %d",
1957 pformat)));
1958 pval = 0;
1959 }
1960
1961
1962 if (!isNull)
1963 pbuf.data[plength] = csave;
1964
1967
1968
1969
1970
1971
1974 }
1975
1976
1978
1979
1980
1981
1982
1983
1987 knownTextValues,
1989 }
1990 else
1991 params = NULL;
1992
1993
1995
1996
1997
1998
1999
2001 params_data.params = params;
2004 params_errcxt.arg = ¶ms_data;
2006
2007
2008 numRFormats = pq_getmsgint(input_message, 2);
2009 if (numRFormats > 0)
2010 {
2012 for (int i = 0; i < numRFormats; i++)
2014 }
2015
2017
2018
2019
2020
2021
2022
2023 cplan = GetCachedPlan(psrc, params, NULL, NULL);
2024
2025
2026
2027
2028
2029
2030
2032 saved_stmt_name,
2033 query_string,
2036 cplan);
2037
2038
2039 foreach(lc, portal->stmts)
2040 {
2042
2044 {
2046 break;
2047 }
2048 }
2049
2050
2051 if (snapshot_set)
2053
2054
2055
2056
2058
2059
2060
2061
2063
2064
2065
2066
2067
2069
2070
2071
2072
2075
2076
2077
2078
2080 {
2081 case 1:
2083 (errmsg("duration: %s ms", msec_str),
2085 break;
2086 case 2:
2088 (errmsg("duration: %s ms bind %s%s%s: %s",
2089 msec_str,
2090 *stmt_name ? stmt_name : "",
2091 *portal_name ? "/" : "",
2092 *portal_name ? portal_name : "",
2096 break;
2097 }
2098
2099 if (save_log_statement_stats)
2100 ShowUsage("BIND MESSAGE STATISTICS");
2101
2103
2105}
2106
2107
2108
2109
2110
2111
2112static void
2114{
2118 bool completed;
2120 const char *sourceText;
2121 const char *prepStmtName;
2124 bool is_xact_command;
2125 bool execute_is_fetch;
2126 bool was_logged = false;
2127 char msec_str[32];
2130 const char *cmdtagname;
2131 size_t cmdtaglen;
2133
2134
2138
2142 (errcode(ERRCODE_UNDEFINED_CURSOR),
2143 errmsg("portal \"%s\" does not exist", portal_name)));
2144
2145
2146
2147
2148
2149 if (portal->commandTag == CMDTAG_UNKNOWN)
2150 {
2153 return;
2154 }
2155
2156
2158
2159
2160
2161
2162
2163
2164
2168 else
2169 prepStmtName = "";
2171
2172
2173
2174
2176
2178
2179 foreach(lc, portal->stmts)
2180 {
2182
2184 {
2186 break;
2187 }
2188 }
2189
2190 foreach(lc, portal->stmts)
2191 {
2193
2195 {
2197 break;
2198 }
2199 }
2200
2202
2204
2205 if (save_log_statement_stats)
2207
2209
2210
2211
2212
2213
2217
2218
2219
2220
2221
2223
2224
2225
2226
2227
2228
2229
2230 execute_is_fetch = !portal->atStart;
2231
2232
2234 {
2236 (errmsg("%s %s%s%s: %s",
2237 execute_is_fetch ?
2238 _("execute fetch from") :
2239 _("execute"),
2240 prepStmtName,
2241 *portal_name ? "/" : "",
2242 *portal_name ? portal_name : "",
2243 sourceText),
2246 was_logged = true;
2247 }
2248
2249
2250
2251
2252
2256 (errcode(ERRCODE_IN_FAILED_SQL_TRANSACTION),
2257 errmsg("current transaction is aborted, "
2258 "commands ignored until end of transaction block"),
2260
2261
2263
2264
2265
2266
2267
2269 params_data.params = portalParams;
2272 params_errcxt.arg = ¶ms_data;
2274
2275 if (max_rows <= 0)
2277
2279 max_rows,
2280 true,
2281 receiver,
2282 receiver,
2283 &qc);
2284
2285 receiver->rDestroy(receiver);
2286
2287
2289
2290 if (completed)
2291 {
2293 {
2294
2295
2296
2297
2298
2299
2300
2301
2303
2304
2305
2306
2307
2308
2309 portalParams = NULL;
2310 }
2311 else
2312 {
2313
2314
2315
2316
2318
2319
2320
2321
2322
2324
2325
2326
2327
2328
2330 }
2331
2332
2334 }
2335 else
2336 {
2337
2340
2341
2342
2343
2344
2346 }
2347
2348
2349
2350
2352 {
2353 case 1:
2355 (errmsg("duration: %s ms", msec_str),
2357 break;
2358 case 2:
2360 (errmsg("duration: %s ms %s %s%s%s: %s",
2361 msec_str,
2362 execute_is_fetch ?
2363 _("execute fetch from") :
2364 _("execute"),
2365 prepStmtName,
2366 *portal_name ? "/" : "",
2367 *portal_name ? portal_name : "",
2368 sourceText),
2371 break;
2372 }
2373
2374 if (save_log_statement_stats)
2375 ShowUsage("EXECUTE MESSAGE STATISTICS");
2376
2378
2380}
2381
2382
2383
2384
2385
2386
2387
2388
2389static bool
2391{
2393
2395 return false;
2397 return true;
2398
2399
2400 foreach(stmt_item, stmt_list)
2401 {
2403
2405 return true;
2406 }
2407
2408 return false;
2409}
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428int
2430{
2433 {
2434 long secs;
2435 int usecs;
2436 int msecs;
2437 bool exceeded_duration;
2438 bool exceeded_sample_duration;
2439 bool in_sample = false;
2440
2443 &secs, &usecs);
2444 msecs = usecs / 1000;
2445
2446
2447
2448
2449
2450
2455
2460
2461
2462
2463
2464
2465
2466 if (exceeded_sample_duration)
2470
2472 {
2473 snprintf(msec_str, 32, "%ld.%03d",
2474 secs * 1000 + msecs, usecs % 1000);
2475 if ((exceeded_duration || in_sample || xact_is_sampled) && !was_logged)
2476 return 2;
2477 else
2478 return 1;
2479 }
2480 }
2481
2482 return 0;
2483}
2484
2485
2486
2487
2488
2489
2490
2491static int
2493{
2495
2496 foreach(parsetree_item, raw_parsetree_list)
2497 {
2499
2501 {
2504
2506 if (pstmt)
2507 {
2508 errdetail("prepare: %s", pstmt->plansource->query_string);
2509 return 0;
2510 }
2511 }
2512 }
2513
2514 return 0;
2515}
2516
2517
2518
2519
2520
2521
2522
2523
2524static int
2526{
2528 {
2529 char *str;
2530
2532 if (str && str[0] != '\0')
2534 }
2535
2536 return 0;
2537}
2538
2539
2540
2541
2542
2543
2544static int
2546{
2548 errdetail("Abort reason: recovery conflict");
2549
2550 return 0;
2551}
2552
2553
2554
2555
2556
2557
2558static int
2560{
2561 switch (reason)
2562 {
2564 errdetail("User was holding shared buffer pin for too long.");
2565 break;
2567 errdetail("User was holding a relation lock for too long.");
2568 break;
2570 errdetail("User was or might have been using tablespace that must be dropped.");
2571 break;
2573 errdetail("User query might have needed to see row versions that must be removed.");
2574 break;
2576 errdetail("User was using a logical replication slot that must be invalidated.");
2577 break;
2579 errdetail("User transaction caused buffer deadlock with recovery.");
2580 break;
2582 errdetail("User was connected to a database that must be dropped.");
2583 break;
2584 default:
2585 break;
2586
2587 }
2588
2589 return 0;
2590}
2591
2592
2593
2594
2595
2596
2597static void
2599{
2602 char *quotedval;
2603
2604 if (data->paramno < 0)
2605 return;
2606
2607
2608 if (data->paramval)
2609 {
2613 quotedval = buf.data;
2614 }
2615 else
2616 quotedval = NULL;
2617
2618 if (data->portalName && data->portalName[0] != '\0')
2619 {
2620 if (quotedval)
2621 errcontext("portal \"%s\" parameter $%d = %s",
2622 data->portalName, data->paramno + 1, quotedval);
2623 else
2624 errcontext("portal \"%s\" parameter $%d",
2625 data->portalName, data->paramno + 1);
2626 }
2627 else
2628 {
2629 if (quotedval)
2630 errcontext("unnamed portal parameter $%d = %s",
2631 data->paramno + 1, quotedval);
2632 else
2633 errcontext("unnamed portal parameter $%d",
2634 data->paramno + 1);
2635 }
2636
2637 if (quotedval)
2638 pfree(quotedval);
2639}
2640
2641
2642
2643
2644
2645
2646static void
2648{
2650
2651
2652
2653
2654
2656
2657
2659
2660
2661 if (stmt_name[0] != '\0')
2662 {
2664
2667 }
2668 else
2669 {
2670
2672 if (!psrc)
2674 (errcode(ERRCODE_UNDEFINED_PSTATEMENT),
2675 errmsg("unnamed prepared statement does not exist")));
2676 }
2677
2678
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2693 (errcode(ERRCODE_IN_FAILED_SQL_TRANSACTION),
2694 errmsg("current transaction is aborted, "
2695 "commands ignored until end of transaction block"),
2697
2699 return;
2700
2701
2702
2703
2706
2708 {
2710
2712 }
2714
2715
2716
2717
2719 {
2720 List *tlist;
2721
2722
2724
2727 tlist,
2728 NULL);
2729 }
2730 else
2732}
2733
2734
2735
2736
2737
2738
2739static void
2741{
2743
2744
2745
2746
2747
2749
2750
2752
2756 (errcode(ERRCODE_UNDEFINED_CURSOR),
2757 errmsg("portal \"%s\" does not exist", portal_name)));
2758
2759
2760
2761
2762
2763
2764
2765
2766
2770 (errcode(ERRCODE_IN_FAILED_SQL_TRANSACTION),
2771 errmsg("current transaction is aborted, "
2772 "commands ignored until end of transaction block"),
2774
2776 return;
2777
2783 else
2785}
2786
2787
2788
2789
2790
2791static void
2793{
2795 {
2797
2799 }
2801 {
2802
2803
2804
2805
2806
2807
2808
2810 }
2811
2812
2813
2814
2815
2816
2817
2818
2820
2821
2828}
2829
2830static void
2832{
2833
2835
2837 {
2839
2840#ifdef MEMORY_CONTEXT_CHECKING
2841
2842
2844#endif
2845
2846#ifdef SHOW_MEMORY_STATS
2847
2849#endif
2850
2852 }
2853}
2854
2855
2856
2857
2858
2859
2860
2861
2862static bool
2864{
2866 {
2868
2873 return true;
2874 }
2875 return false;
2876}
2877
2878
2879static bool
2881{
2883 {
2885
2888 return true;
2889 }
2890 return false;
2891}
2892
2893
2894static bool
2896{
2898 {
2900
2903 return true;
2904 }
2905 return false;
2906}
2907
2908
2909static void
2911{
2912
2914 {
2916
2919 }
2920}
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934void
2936{
2937 sigaddset(&BlockSig, SIGQUIT);
2938 sigprocmask(SIG_SETMASK, &BlockSig, NULL);
2939
2940
2941
2942
2943
2944
2946
2947
2948
2949
2950
2951
2952
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2973
2974
2975
2976
2977
2978
2979
2980
2981
2983 {
2985
2987 (errcode(ERRCODE_ADMIN_SHUTDOWN),
2988 errmsg("terminating connection because of unexpected SIGQUIT signal")));
2989 break;
2991
2993 (errcode(ERRCODE_CRASH_SHUTDOWN),
2994 errmsg("terminating connection because of crash of another server process"),
2995 errdetail("The postmaster has commanded this server process to roll back"
2996 " the current transaction and exit, because another"
2997 " server process exited abnormally and possibly corrupted"
2998 " shared memory."),
2999 errhint("In a moment you should be able to reconnect to the"
3000 " database and repeat your command.")));
3001 break;
3003
3005 (errcode(ERRCODE_ADMIN_SHUTDOWN),
3006 errmsg("terminating connection due to immediate shutdown command")));
3007 break;
3008 }
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024 _exit(2);
3025}
3026
3027
3028
3029
3030
3031void
3033{
3034
3036 {
3039 }
3040
3041
3043
3044
3046
3047
3048
3049
3050
3051
3052
3055}
3056
3057
3058
3059
3060
3061void
3063{
3064
3065
3066
3068 {
3071 }
3072
3073
3075}
3076
3077
3078void
3080{
3081
3083 (errcode(ERRCODE_FLOATING_POINT_EXCEPTION),
3084 errmsg("floating-point exception"),
3085 errdetail("An invalid floating-point operation was signaled. "
3086 "This probably means an out-of-range result or an "
3087 "invalid operation, such as division by zero.")));
3088}
3089
3090
3091
3092
3093
3094void
3096{
3100
3101}
3102
3103
3104
3105
3106static void
3108{
3109 switch (reason)
3110 {
3112
3113
3114
3115
3117 return;
3118
3119
3120
3121
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3135 {
3139 return;
3140 }
3141
3143
3144
3145
3146
3150
3151
3152
3153
3155 return;
3156
3157
3158
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3188 {
3189
3190
3191
3192
3193
3195 return;
3196
3197
3198
3199
3200
3201
3202
3203
3205 {
3206
3208 {
3209
3210
3211
3212
3216 return;
3217 }
3218
3219
3220
3221
3222
3223
3224
3229 errmsg("canceling statement due to conflict with recovery"),
3231 break;
3232 }
3233 }
3234
3235
3236
3237
3239
3240
3241
3242
3243
3244
3248 ERRCODE_DATABASE_DROPPED :
3250 errmsg("terminating connection due to conflict with recovery"),
3252 errhint("In a moment you should be able to reconnect to the"
3253 " database and repeat your command.")));
3254 break;
3255
3256 default:
3257 elog(FATAL, "unrecognized conflict mode: %d", (int) reason);
3258 }
3259}
3260
3261
3262
3263
3264static void
3266{
3267
3268
3269
3270
3271
3275
3277
3280 reason++)
3281 {
3283 {
3286 }
3287 }
3288}
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303void
3305{
3306
3308 return;
3310
3312 {
3316
3321 (errcode(ERRCODE_QUERY_CANCELED),
3322 errmsg("canceling authentication due to timeout")));
3325 (errcode(ERRCODE_ADMIN_SHUTDOWN),
3326 errmsg("terminating autovacuum process due to administrator command")));
3329 (errcode(ERRCODE_ADMIN_SHUTDOWN),
3330 errmsg("terminating logical replication worker due to administrator command")));
3332 {
3334 (errmsg_internal("logical replication launcher shutting down")));
3335
3336
3337
3338
3339
3341 }
3344 (errcode(ERRCODE_ADMIN_SHUTDOWN),
3345 errmsg("terminating walreceiver process due to administrator command")));
3348 (errcode(ERRCODE_ADMIN_SHUTDOWN),
3349 errmsg("terminating background worker \"%s\" due to administrator command",
3352 {
3354 (errmsg_internal("io worker shutting down due to administrator command")));
3355
3357 }
3358 else
3360 (errcode(ERRCODE_ADMIN_SHUTDOWN),
3361 errmsg("terminating connection due to administrator command")));
3362 }
3363
3365 {
3367
3368
3369
3370
3371
3372
3373
3375 {
3378 else
3381 }
3382 }
3383
3385 {
3386 QueryCancelPending = false;
3388
3391 (errcode(ERRCODE_CONNECTION_FAILURE),
3392 errmsg("connection to client lost")));
3393 }
3394
3395
3396
3397
3398
3399
3400
3401
3402
3404 {
3405
3406
3407
3408
3409
3410
3411
3412
3414 }
3416 {
3417 bool lock_timeout_occurred;
3418 bool stmt_timeout_occurred;
3419
3421
3422
3423
3424
3425
3428
3429
3430
3431
3432
3433
3434
3435 if (lock_timeout_occurred && stmt_timeout_occurred &&
3437 lock_timeout_occurred = false;
3438
3439 if (lock_timeout_occurred)
3440 {
3443 (errcode(ERRCODE_LOCK_NOT_AVAILABLE),
3444 errmsg("canceling statement due to lock timeout")));
3445 }
3446 if (stmt_timeout_occurred)
3447 {
3450 (errcode(ERRCODE_QUERY_CANCELED),
3451 errmsg("canceling statement due to statement timeout")));
3452 }
3454 {
3457 (errcode(ERRCODE_QUERY_CANCELED),
3458 errmsg("canceling autovacuum task")));
3459 }
3460
3461
3462
3463
3464
3465
3467 {
3470 (errcode(ERRCODE_QUERY_CANCELED),
3471 errmsg("canceling statement due to user request")));
3472 }
3473 }
3474
3477
3479 {
3480
3481
3482
3483
3484
3485
3488 {
3489 INJECTION_POINT("idle-in-transaction-session-timeout", NULL);
3491 (errcode(ERRCODE_IDLE_IN_TRANSACTION_SESSION_TIMEOUT),
3492 errmsg("terminating connection due to idle-in-transaction timeout")));
3493 }
3494 }
3495
3497 {
3498
3501 {
3504 (errcode(ERRCODE_TRANSACTION_TIMEOUT),
3505 errmsg("terminating connection due to transaction timeout")));
3506 }
3507 }
3508
3510 {
3511
3514 {
3517 (errcode(ERRCODE_IDLE_SESSION_TIMEOUT),
3518 errmsg("terminating connection due to idle-session timeout")));
3519 }
3520 }
3521
3522
3523
3524
3525
3528 {
3531 }
3532
3535
3538
3541
3544}
3545
3546
3547
3548
3549bool
3551{
3553 {
3554 GUC_check_errdetail("\"client_connection_check_interval\" must be set to 0 on this platform.");
3555 return false;
3556 }
3557 return true;
3558}
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570bool
3572{
3574 {
3575 GUC_check_errdetail("Cannot enable parameter when \"log_statement_stats\" is true.");
3576 return false;
3577 }
3578 return true;
3579}
3580
3581
3582
3583
3584bool
3586{
3589 {
3591 "\"log_parser_stats\", \"log_planner_stats\", "
3592 "or \"log_executor_stats\" is true.");
3593 return false;
3594 }
3595 return true;
3596}
3597
3598
3599void
3601{
3603 {
3604
3605
3606
3607
3612 }
3613}
3614
3615
3616
3617
3618bool
3620{
3621 char *rawstring;
3622 List *elemlist;
3624 int flags = 0;
3625
3626
3628
3630 {
3631
3633 pfree(rawstring);
3635 return false;
3636 }
3637
3638 foreach(l, elemlist)
3639 {
3640 char *tok = (char *) lfirst(l);
3641
3644 else if (pg_strcasecmp(tok, "foreign-table") == 0)
3646 else
3647 {
3649 pfree(rawstring);
3651 return false;
3652 }
3653 }
3654
3655 pfree(rawstring);
3657
3658
3660 if (!*extra)
3661 return false;
3662 *((int *) *extra) = flags;
3663
3664 return true;
3665}
3666
3667
3668
3669
3670void
3672{
3673 int *flags = (int *) extra;
3674
3676}
3677
3678
3679
3680
3681
3682
3683
3684void
3686{
3687 if (debug_flag > 0)
3688 {
3689 char debugstr[64];
3690
3691 sprintf(debugstr, "debug%d", debug_flag);
3693 }
3694 else
3696
3698 {
3701 }
3702 if (debug_flag >= 2)
3704 if (debug_flag >= 3)
3705 {
3708 }
3709 if (debug_flag >= 4)
3711 if (debug_flag >= 5)
3713}
3714
3715
3716bool
3718{
3719 const char *tmp = NULL;
3720
3721 switch (arg[0])
3722 {
3723 case 's':
3724 tmp = "enable_seqscan";
3725 break;
3726 case 'i':
3727 tmp = "enable_indexscan";
3728 break;
3729 case 'o':
3730 tmp = "enable_indexonlyscan";
3731 break;
3732 case 'b':
3733 tmp = "enable_bitmapscan";
3734 break;
3735 case 't':
3736 tmp = "enable_tidscan";
3737 break;
3738 case 'n':
3739 tmp = "enable_nestloop";
3740 break;
3741 case 'm':
3742 tmp = "enable_mergejoin";
3743 break;
3744 case 'h':
3745 tmp = "enable_hashjoin";
3746 break;
3747 }
3748 if (tmp)
3749 {
3751 return true;
3752 }
3753 else
3754 return false;
3755}
3756
3757
3758const char *
3760{
3761 switch (arg[0])
3762 {
3763 case 'p':
3764 if (optarg[1] == 'a')
3765 return "log_parser_stats";
3766 else if (optarg[1] == 'l')
3767 return "log_planner_stats";
3768 break;
3769
3770 case 'e':
3771 return "log_executor_stats";
3772 break;
3773 }
3774
3775 return NULL;
3776}
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798void
3800 const char **dbname)
3801{
3803 int errs = 0;
3806
3807 if (secure)
3808 {
3809 gucsource = PGC_S_ARGV;
3810
3811
3812 if (argc > 1 && strcmp(argv[1], "--single") == 0)
3813 {
3814 argv++;
3815 argc--;
3816 }
3817 }
3818 else
3819 {
3820 gucsource = PGC_S_CLIENT;
3821 }
3822
3823#ifdef HAVE_INT_OPTERR
3824
3825
3826
3827
3828
3829
3831#endif
3832
3833
3834
3835
3836
3837
3838 while ((flag = getopt(argc, argv, "B:bC:c:D:d:EeFf:h:ijk:lN:nOPp:r:S:sTt:v:W:-:")) != -1)
3839 {
3840 switch (flag)
3841 {
3842 case 'B':
3844 break;
3845
3846 case 'b':
3847
3848 if (secure)
3850 break;
3851
3852 case 'C':
3853
3854 break;
3855
3856 case '-':
3857
3858
3859
3860
3861
3862
3863
3866 (errcode(ERRCODE_SYNTAX_ERROR),
3867 errmsg("--%s must be first argument", optarg)));
3868
3869
3870 case 'c':
3871 {
3874
3877 {
3878 if (flag == '-')
3880 (errcode(ERRCODE_SYNTAX_ERROR),
3881 errmsg("--%s requires a value",
3883 else
3885 (errcode(ERRCODE_SYNTAX_ERROR),
3886 errmsg("-c %s requires a value",
3888 }
3892 break;
3893 }
3894
3895 case 'D':
3896 if (secure)
3898 break;
3899
3900 case 'd':
3902 break;
3903
3904 case 'E':
3905 if (secure)
3907 break;
3908
3909 case 'e':
3911 break;
3912
3913 case 'F':
3915 break;
3916
3917 case 'f':
3919 errs++;
3920 break;
3921
3922 case 'h':
3924 break;
3925
3926 case 'i':
3927 SetConfigOption("listen_addresses", "*", ctx, gucsource);
3928 break;
3929
3930 case 'j':
3931 if (secure)
3933 break;
3934
3935 case 'k':
3937 break;
3938
3939 case 'l':
3941 break;
3942
3943 case 'N':
3945 break;
3946
3947 case 'n':
3948
3949 break;
3950
3951 case 'O':
3952 SetConfigOption("allow_system_table_mods", "true", ctx, gucsource);
3953 break;
3954
3955 case 'P':
3956 SetConfigOption("ignore_system_indexes", "true", ctx, gucsource);
3957 break;
3958
3959 case 'p':
3961 break;
3962
3963 case 'r':
3964
3965 if (secure)
3967 break;
3968
3969 case 'S':
3971 break;
3972
3973 case 's':
3974 SetConfigOption("log_statement_stats", "true", ctx, gucsource);
3975 break;
3976
3977 case 'T':
3978
3979 break;
3980
3981 case 't':
3982 {
3984
3985 if (tmp)
3987 else
3988 errs++;
3989 break;
3990 }
3991
3992 case 'v':
3993
3994
3995
3996
3997
3998
3999
4000
4001 if (secure)
4003 break;
4004
4005 case 'W':
4007 break;
4008
4009 default:
4010 errs++;
4011 break;
4012 }
4013
4014 if (errs)
4015 break;
4016 }
4017
4018
4019
4020
4023
4024 if (errs || argc != optind)
4025 {
4026 if (errs)
4027 optind--;
4028
4029
4032 errcode(ERRCODE_SYNTAX_ERROR),
4033 errmsg("invalid command-line argument for server process: %s", argv[optind]),
4034 errhint("Try \"%s --help\" for more information.", progname));
4035 else
4037 errcode(ERRCODE_SYNTAX_ERROR),
4038 errmsg("%s: invalid command-line argument: %s",
4040 errhint("Try \"%s --help\" for more information.", progname));
4041 }
4042
4043
4044
4045
4046
4048#ifdef HAVE_INT_OPTRESET
4049 optreset = 1;
4050#endif
4051}
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063void
4066{
4067 const char *dbname = NULL;
4068
4070
4071
4073
4074
4075
4076
4078
4079
4080
4081
4083
4084
4086 {
4090 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
4091 errmsg("%s: no database nor user name specified",
4093 }
4094
4095
4098
4099
4100
4101
4102
4105
4106
4107
4108
4110
4111
4113
4114
4115
4116
4118
4119
4121
4122
4123
4124
4125
4127
4128
4130
4131
4132
4133
4135
4136
4137
4138
4139
4140
4142
4143
4144
4145
4146
4148
4149
4150
4151
4152
4154
4155
4156
4157
4158
4160
4161
4162
4163
4164
4166
4167
4168
4169
4170
4172
4173
4174
4175
4176
4178}
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192void
4194{
4195 sigjmp_buf local_sigjmp_buf;
4196
4197
4198 volatile bool send_ready_for_query = true;
4199 volatile bool idle_in_transaction_timeout_enabled = false;
4200 volatile bool idle_session_timeout_enabled = false;
4201
4204
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4224 else
4225 {
4229
4230
4231
4232
4233
4234
4235
4236
4237
4240 else
4243
4244
4245
4246
4247
4248
4249
4254
4255
4256
4257
4258
4259 pqsignal(SIGCHLD, SIG_DFL);
4260
4261 }
4262
4263
4265
4266
4267 sigprocmask(SIG_SETMASK, &UnBlockSig, NULL);
4268
4269
4270
4271
4272
4275 {
4276 int len;
4277
4281 {
4283 (errcode(ERRCODE_INTERNAL_ERROR),
4284 errmsg("could not generate random cancel key")));
4285 }
4287 }
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4301 NULL);
4302
4303
4304
4305
4306
4308 {
4311 }
4312
4314
4315
4316
4317
4318
4320
4321
4322
4323
4324
4327
4329
4330
4333
4334
4335
4336
4338 {
4340
4344
4347
4348 }
4349
4350
4352 printf("\nPostgreSQL stand-alone backend %s\n", PG_VERSION);
4353
4354
4355
4356
4357
4358
4359
4361 "MessageContext",
4363
4364
4365
4366
4367
4368
4369
4371 "RowDescriptionContext",
4376
4377
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402 if (sigsetjmp(local_sigjmp_buf, 1) != 0)
4403 {
4404
4405
4406
4407
4408
4409
4410
4411
4412
4414
4415
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4431 idle_in_transaction_timeout_enabled = false;
4432 idle_session_timeout_enabled = false;
4433
4434
4436
4437
4439
4440
4442
4443
4444
4445
4446
4448
4449
4450
4451
4452
4454
4455
4456
4457
4459
4462
4464
4465
4466
4467
4468
4469
4470
4471
4474
4475
4477
4479
4480
4481
4482
4483
4486
4487
4488
4489
4490
4491
4494
4495
4497
4498
4499
4500
4501
4502
4503
4504
4505
4508 (errcode(ERRCODE_PROTOCOL_VIOLATION),
4509 errmsg("terminating connection because protocol synchronization was lost")));
4510
4511
4513 }
4514
4515
4517
4519 send_ready_for_query = true;
4520
4521
4522
4523
4524
4525 for (;;)
4526 {
4527 int firstchar;
4529
4530
4531
4532
4533
4535
4536
4537
4538
4539#ifdef USE_VALGRIND
4540 old_valgrind_error_count = VALGRIND_COUNT_ERRORS;
4541#endif
4542
4543
4544
4545
4546
4549
4551
4552
4553
4554
4555
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574 if (send_ready_for_query)
4575 {
4577 {
4580
4581
4584 {
4585 idle_in_transaction_timeout_enabled = true;
4588 }
4589 }
4591 {
4594
4595
4598 {
4599 idle_in_transaction_timeout_enabled = true;
4602 }
4603 }
4604 else
4605 {
4606 long stats_timeout;
4607
4608
4609
4610
4611
4612
4613
4614
4617
4618
4619
4620
4621
4622
4623
4624
4625
4626
4627
4628
4629
4630
4632 if (stats_timeout > 0)
4633 {
4636 stats_timeout);
4637 }
4638 else
4639 {
4640
4643 }
4644
4647
4648
4650 {
4651 idle_session_timeout_enabled = true;
4654 }
4655 }
4656
4657
4659
4660
4661
4662
4663
4664
4668 {
4669 uint64 total_duration,
4670 fork_duration,
4671 auth_duration;
4672
4674
4675 total_duration =
4678 fork_duration =
4681 auth_duration =
4684
4686 errmsg("connection ready: setup total=%.3f ms, fork=%.3f ms, authentication=%.3f ms",
4687 (double) total_duration / NS_PER_US,
4688 (double) fork_duration / NS_PER_US,
4689 (double) auth_duration / NS_PER_US));
4690 }
4691
4693 send_ready_for_query = false;
4694 }
4695
4696
4697
4698
4699
4700
4701
4703
4704
4705
4706
4707 firstchar = ReadCommand(&input_message);
4708
4709
4710
4711
4712
4713
4714
4715
4716
4717 if (idle_in_transaction_timeout_enabled)
4718 {
4720 idle_in_transaction_timeout_enabled = false;
4721 }
4722 if (idle_session_timeout_enabled)
4723 {
4725 idle_session_timeout_enabled = false;
4726 }
4727
4728
4729
4730
4731
4732
4733
4734
4735
4736
4739
4740
4741
4742
4743
4745 {
4748 }
4749
4750
4751
4752
4753
4755 continue;
4756
4757 switch (firstchar)
4758 {
4760 {
4761 const char *query_string;
4762
4763
4765
4768
4770 {
4773 }
4774 else
4776
4778
4779 send_ready_for_query = true;
4780 }
4781 break;
4782
4784 {
4785 const char *stmt_name;
4786 const char *query_string;
4787 int numParams;
4788 Oid *paramTypes = NULL;
4789
4791
4792
4794
4797 numParams = pq_getmsgint(&input_message, 2);
4798 if (numParams > 0)
4799 {
4801 for (int i = 0; i < numParams; i++)
4802 paramTypes[i] = pq_getmsgint(&input_message, 4);
4803 }
4805
4807 paramTypes, numParams);
4808
4810 }
4811 break;
4812
4815
4816
4818
4819
4820
4821
4822
4824
4825
4826 break;
4827
4829 {
4830 const char *portal_name;
4831 int max_rows;
4832
4834
4835
4837
4841
4843
4844
4845 }
4846 break;
4847
4850
4851
4853
4854
4857
4858
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4872
4874
4875
4877
4879
4880 send_ready_for_query = true;
4881 break;
4882
4884 {
4885 int close_type;
4886 const char *close_target;
4887
4889
4893
4894 switch (close_type)
4895 {
4896 case 'S':
4897 if (close_target[0] != '\0')
4899 else
4900 {
4901
4903 }
4904 break;
4905 case 'P':
4906 {
4908
4912 }
4913 break;
4914 default:
4916 (errcode(ERRCODE_PROTOCOL_VIOLATION),
4917 errmsg("invalid CLOSE message subtype %d",
4918 close_type)));
4919 break;
4920 }
4921
4924
4926 }
4927 break;
4928
4930 {
4931 int describe_type;
4932 const char *describe_target;
4933
4935
4936
4938
4942
4943 switch (describe_type)
4944 {
4945 case 'S':
4947 break;
4948 case 'P':
4950 break;
4951 default:
4953 (errcode(ERRCODE_PROTOCOL_VIOLATION),
4954 errmsg("invalid DESCRIBE message subtype %d",
4955 describe_type)));
4956 break;
4957 }
4958
4960 }
4961 break;
4962
4967 break;
4968
4971
4972
4973
4974
4975
4976
4980 send_ready_for_query = true;
4981 break;
4982
4983
4984
4985
4986
4987
4988 case EOF:
4989
4990
4992
4993
4994
4996
4997
4998
4999
5000
5003
5004
5005
5006
5007
5008
5009
5010
5012
5016
5017
5018
5019
5020
5021
5022 break;
5023
5024 default:
5026 (errcode(ERRCODE_PROTOCOL_VIOLATION),
5027 errmsg("invalid frontend message type %d",
5028 firstchar)));
5029 }
5030 }
5031}
5032
5033
5034
5035
5036
5037
5038
5039
5040static void
5042{
5044 {
5047 (errcode(ERRCODE_PROTOCOL_VIOLATION),
5048 errmsg("fastpath function calls not supported in a replication connection")));
5049 else
5051 (errcode(ERRCODE_PROTOCOL_VIOLATION),
5052 errmsg("extended query protocol not supported in a replication connection")));
5053 }
5054}
5055
5056
5059
5060void
5062{
5065}
5066
5067void
5069{
5071 struct timeval user,
5072 sys;
5073 struct timeval elapse_t;
5075
5079 memcpy(&sys, &r.ru_stime, sizeof(sys));
5080 if (elapse_t.tv_usec < Save_t.tv_usec)
5081 {
5082 elapse_t.tv_sec--;
5083 elapse_t.tv_usec += 1000000;
5084 }
5086 {
5088 r.ru_utime.tv_usec += 1000000;
5089 }
5091 {
5093 r.ru_stime.tv_usec += 1000000;
5094 }
5095
5096
5097
5098
5099
5101
5104 "!\t%ld.%06ld s user, %ld.%06ld s system, %ld.%06ld s elapsed\n",
5109 (long) (elapse_t.tv_sec - Save_t.tv_sec),
5110 (long) (elapse_t.tv_usec - Save_t.tv_usec));
5112 "!\t[%ld.%06ld s user, %ld.%06ld s system total]\n",
5113 (long) user.tv_sec,
5114 (long) user.tv_usec,
5115 (long) sys.tv_sec,
5116 (long) sys.tv_usec);
5117#ifndef WIN32
5118
5119
5120
5121
5122
5123
5124
5126 "!\t%ld kB max resident size\n",
5128
5129 r.ru_maxrss / 1024
5130#else
5131
5132 r.ru_maxrss
5133#endif
5134 );
5136 "!\t%ld/%ld [%ld/%ld] filesystem blocks in/out\n",
5137 r.ru_inblock - Save_r.ru_inblock,
5138
5139 r.ru_oublock - Save_r.ru_oublock,
5140 r.ru_inblock, r.ru_oublock);
5142 "!\t%ld/%ld [%ld/%ld] page faults/reclaims, %ld [%ld] swaps\n",
5143 r.ru_majflt - Save_r.ru_majflt,
5144 r.ru_minflt - Save_r.ru_minflt,
5145 r.ru_majflt, r.ru_minflt,
5146 r.ru_nswap - Save_r.ru_nswap,
5147 r.ru_nswap);
5149 "!\t%ld [%ld] signals rcvd, %ld/%ld [%ld/%ld] messages rcvd/sent\n",
5150 r.ru_nsignals - Save_r.ru_nsignals,
5151 r.ru_nsignals,
5152 r.ru_msgrcv - Save_r.ru_msgrcv,
5153 r.ru_msgsnd - Save_r.ru_msgsnd,
5154 r.ru_msgrcv, r.ru_msgsnd);
5156 "!\t%ld/%ld [%ld/%ld] voluntary/involuntary context switches\n",
5157 r.ru_nvcsw - Save_r.ru_nvcsw,
5158 r.ru_nivcsw - Save_r.ru_nivcsw,
5159 r.ru_nvcsw, r.ru_nivcsw);
5160#endif
5161
5162
5163 if (str.data[str.len - 1] == '\n')
5164 str.data[--str.len] = '\0';
5165
5169
5171}
5172
5173
5174
5175
5176static void
5178{
5180 long secs;
5181 int usecs;
5182 int msecs;
5183 int hours,
5184 minutes,
5185 seconds;
5186
5189 &secs, &usecs);
5190 msecs = usecs / 1000;
5191
5196
5198 (errmsg("disconnection: session time: %d:%02d:%02d.%03d "
5199 "user=%s database=%s host=%s%s%s",
5200 hours, minutes, seconds, msecs,
5201 port->user_name, port->database_name, port->remote_host,
5202 port->remote_port[0] ? " port=" : "", port->remote_port)));
5203}
5204
5205
5206
5207
5208
5209
5210
5211
5212static void
5214{
5215
5217
5220 {
5223 }
5224 else
5225 {
5228 }
5229}
5230
5231
5232
5233
5234static void
5236{
5239}
Datum querytree(PG_FUNCTION_ARGS)
volatile sig_atomic_t ParallelApplyMessagePending
void ProcessParallelApplyMessages(void)
void ProcessNotifyInterrupt(bool flush)
volatile sig_atomic_t notifyInterruptPending
void ProcessParallelMessages(void)
volatile sig_atomic_t ParallelMessagePending
void DropPreparedStatement(const char *stmt_name, bool showError)
PreparedStatement * FetchPreparedStatement(const char *stmt_name, bool throwError)
void StorePreparedStatement(const char *stmt_name, CachedPlanSource *plansource, bool from_sql)
void elog_node_display(int lev, const char *title, const void *obj, bool pretty)
List * raw_parser(const char *str, RawParseMode mode)
bool IsLogicalWorker(void)
void TimestampDifference(TimestampTz start_time, TimestampTz stop_time, long *secs, int *microsecs)
TimestampTz GetCurrentTimestamp(void)
ConnectionTiming conn_timing
@ LOG_CONNECTION_SETUP_DURATIONS
void pgstat_report_query_id(int64 query_id, bool force)
void pgstat_report_activity(BackendState state, const char *cmd_str)
void pgstat_report_plan_id(int64 plan_id, bool force)
@ STATE_IDLEINTRANSACTION_ABORTED
@ STATE_IDLEINTRANSACTION
bool HoldingBufferPinThatDelaysRecovery(void)
#define unconstify(underlying_type, expr)
const char * GetCommandTagNameAndLen(CommandTag commandTag, Size *len)
#define TIMESTAMP_MINUS_INFINITY
void EndCommand(const QueryCompletion *qc, CommandDest dest, bool force_undecorated_output)
DestReceiver * CreateDestReceiver(CommandDest dest)
void BeginCommand(CommandTag commandTag, CommandDest dest)
void ReadyForQuery(CommandDest dest)
void NullCommand(CommandDest dest)
int errmsg_internal(const char *fmt,...)
int errhidestmt(bool hide_stmt)
void EmitErrorReport(void)
int errdetail_internal(const char *fmt,...)
int errdetail(const char *fmt,...)
ErrorContextCallback * error_context_stack
void FlushErrorState(void)
int errhint(const char *fmt,...)
int errcode(int sqlerrcode)
int errmsg(const char *fmt,...)
sigjmp_buf * PG_exception_stack
#define WARNING_CLIENT_ONLY
#define ereport(elevel,...)
bool equal(const void *a, const void *b)
void EventTriggerOnLogin(void)
void HandleFunctionRequest(StringInfo msgBuf)
void set_max_safe_fds(void)
#define palloc_array(type, count)
#define palloc0_array(type, count)
Datum OidReceiveFunctionCall(Oid functionId, StringInfo buf, Oid typioparam, int32 typmod)
Datum OidInputFunctionCall(Oid functionId, char *str, Oid typioparam, int32 typmod)
volatile sig_atomic_t IdleStatsUpdateTimeoutPending
volatile sig_atomic_t LogMemoryContextPending
volatile sig_atomic_t ProcSignalBarrierPending
volatile sig_atomic_t InterruptPending
volatile sig_atomic_t IdleSessionTimeoutPending
volatile uint32 QueryCancelHoldoffCount
ProtocolVersion FrontendProtocol
volatile sig_atomic_t IdleInTransactionSessionTimeoutPending
volatile uint32 InterruptHoldoffCount
volatile sig_atomic_t TransactionTimeoutPending
volatile sig_atomic_t ClientConnectionLost
volatile uint32 CritSectionCount
volatile sig_atomic_t QueryCancelPending
uint8 MyCancelKey[MAX_CANCEL_KEY_LENGTH]
TimestampTz MyStartTimestamp
char OutputFileName[MAXPGPATH]
volatile sig_atomic_t ProcDiePending
volatile sig_atomic_t CheckClientConnectionPending
void ProcessConfigFile(GucContext context)
void BeginReportingGUCOptions(void)
void SetConfigOption(const char *name, const char *value, GucContext context, GucSource source)
void * guc_malloc(int elevel, size_t size)
bool SelectConfigFiles(const char *userDoption, const char *progname)
void ParseLongOption(const char *string, char **name, char **value)
void InitializeGUCOptions(void)
void ReportChangedGUCOptions(void)
#define GUC_check_errdetail
bool Debug_print_raw_parse
int log_parameter_max_length_on_error
int log_min_duration_statement
int log_min_duration_sample
bool Debug_print_rewritten
int log_parameter_max_length
double log_statement_sample_rate
Assert(PointerIsAligned(start, uint64))
#define INJECTION_POINT(name, arg)
volatile sig_atomic_t ConfigReloadPending
void SignalHandlerForConfigReload(SIGNAL_ARGS)
void on_proc_exit(pg_on_exit_callback function, Datum arg)
bool proc_exit_inprogress
void InitializeShmemGUCs(void)
void CreateSharedMemoryAndSemaphores(void)
if(TABLE==NULL||TABLE_index==NULL)
void jit_reset_after_error(void)
void SetLatch(Latch *latch)
bool IsLogicalLauncher(void)
#define PQ_SMALL_MESSAGE_LIMIT
#define PQ_LARGE_MESSAGE_LIMIT
List * lappend(List *list, void *datum)
static List * new_list(NodeTag type, int min_size)
void list_free(List *list)
LOCALLOCK * GetAwaitedLock(void)
void getTypeInputInfo(Oid type, Oid *typInput, Oid *typIOParam)
void getTypeBinaryInputInfo(Oid type, Oid *typReceive, Oid *typIOParam)
DispatchOption parse_dispatch_option(const char *name)
char * pg_client_to_server(const char *s, int len)
MemoryContext MessageContext
void MemoryContextReset(MemoryContext context)
char * pstrdup(const char *in)
void MemoryContextSetParent(MemoryContext context, MemoryContext new_parent)
void pfree(void *pointer)
MemoryContext TopMemoryContext
char * pnstrdup(const char *in, Size len)
void MemoryContextStats(MemoryContext context)
MemoryContext PostmasterContext
void ProcessLogMemoryContextInterrupt(void)
void MemoryContextDelete(MemoryContext context)
#define AllocSetContextCreate
#define ALLOCSET_DEFAULT_SIZES
#define RESUME_INTERRUPTS()
#define IsExternalConnectionBackend(backend_type)
#define GetProcessingMode()
#define HOLD_CANCEL_INTERRUPTS()
#define INIT_PG_LOAD_SESSION_LIBS
#define AmAutoVacuumWorkerProcess()
#define RESUME_CANCEL_INTERRUPTS()
#define AmBackgroundWorkerProcess()
#define CHECK_FOR_INTERRUPTS()
#define HOLD_INTERRUPTS()
#define SetProcessingMode(mode)
#define AmWalReceiverProcess()
#define AmIoWorkerProcess()
void ChangeToDataDir(void)
void process_shmem_requests(void)
void InitStandaloneProcess(const char *argv0)
void process_shared_preload_libraries(void)
BackendType MyBackendType
void CreateDataDirLockFile(bool amPostmaster)
#define IsA(nodeptr, _type_)
char * nodeToStringWithLocations(const void *obj)
static MemoryContext MemoryContextSwitchTo(MemoryContext context)
ParamListInfo makeParamList(int numParams)
char * BuildParamLogString(ParamListInfo params, char **knownTextValues, int maxlen)
void ParamsErrorCallback(void *arg)
void(* ParserSetupHook)(ParseState *pstate, void *arg)
#define CURSOR_OPT_PARALLEL_OK
#define CURSOR_OPT_BINARY
Query * parse_analyze_withcb(RawStmt *parseTree, const char *sourceText, ParserSetupHook parserSetup, void *parserSetupArg, QueryEnvironment *queryEnv)
bool analyze_requires_snapshot(RawStmt *parseTree)
Query * parse_analyze_fixedparams(RawStmt *parseTree, const char *sourceText, const Oid *paramTypes, int numParams, QueryEnvironment *queryEnv)
Query * parse_analyze_varparams(RawStmt *parseTree, const char *sourceText, Oid **paramTypes, int *numParams, QueryEnvironment *queryEnv)
int getopt(int nargc, char *const *nargv, const char *ostr)
PGDLLIMPORT char * optarg
#define lfirst_node(type, lc)
static int list_length(const List *l)
#define linitial_node(type, l)
static ListCell * lnext(const List *l, const ListCell *c)
double pg_prng_double(pg_prng_state *state)
pg_prng_state pg_global_prng_state
static rewind_source * source
static char buf[DEFAULT_XLOG_SEG_SIZE]
#define MAX_MULTIBYTE_CHAR_LEN
#define ERRCODE_T_R_SERIALIZATION_FAILURE
long pgstat_report_stat(bool force)
void pgstat_report_connect(Oid dboid)
void pgstat_report_recovery_conflict(int reason)
SessionEndType pgStatSessionEndCause
void DropCachedPlan(CachedPlanSource *plansource)
void SaveCachedPlan(CachedPlanSource *plansource)
void CompleteCachedPlan(CachedPlanSource *plansource, List *querytree_list, MemoryContext querytree_context, Oid *param_types, int num_params, ParserSetupHook parserSetup, void *parserSetupArg, int cursor_options, bool fixed_result)
CachedPlan * GetCachedPlan(CachedPlanSource *plansource, ParamListInfo boundParams, ResourceOwner owner, QueryEnvironment *queryEnv)
CachedPlanSource * CreateCachedPlan(RawStmt *raw_parse_tree, const char *query_string, CommandTag commandTag)
List * CachedPlanGetTargetList(CachedPlanSource *plansource, QueryEnvironment *queryEnv)
PlannedStmt * planner(Query *parse, const char *query_string, int cursorOptions, ParamListInfo boundParams, ExplainState *es)
void InitPostmasterChildSlots(void)
QuitSignalReason GetQuitSignalReason(void)
bool pg_strong_random(void *buf, size_t len)
int pg_strcasecmp(const char *s1, const char *s2)
size_t strlcpy(char *dst, const char *src, size_t siz)
void PortalDrop(Portal portal, bool isTopCommit)
Portal GetPortalByName(const char *name)
void PortalDefineQuery(Portal portal, const char *prepStmtName, const char *sourceText, CommandTag commandTag, List *stmts, CachedPlan *cplan)
Portal CreatePortal(const char *name, bool allowDup, bool dupSilent)
void PortalErrorCleanup(void)
static int errdetail_recovery_conflict(ProcSignalReason reason)
struct BindParamCbData BindParamCbData
static void disable_statement_timeout(void)
static bool IsTransactionStmtList(List *pstmts)
List * pg_analyze_and_rewrite_withcb(RawStmt *parsetree, const char *query_string, ParserSetupHook parserSetup, void *parserSetupArg, QueryEnvironment *queryEnv)
void assign_transaction_timeout(int newval, void *extra)
List * pg_parse_query(const char *query_string)
static bool check_log_statement(List *stmt_list)
static void exec_describe_statement_message(const char *stmt_name)
void assign_restrict_nonsystem_relation_kind(const char *newval, void *extra)
void process_postgres_switches(int argc, char *argv[], GucContext ctx, const char **dbname)
PlannedStmt * pg_plan_query(Query *querytree, const char *query_string, int cursorOptions, ParamListInfo boundParams, ExplainState *es)
void quickdie(SIGNAL_ARGS)
static bool IsTransactionExitStmtList(List *pstmts)
static void log_disconnections(int code, Datum arg)
static int errdetail_abort(void)
static void forbidden_in_wal_sender(char firstchar)
static void exec_execute_message(const char *portal_name, long max_rows)
void PostgresSingleUserMain(int argc, char *argv[], const char *username)
List * pg_plan_queries(List *querytrees, const char *query_string, int cursorOptions, ParamListInfo boundParams)
void set_debug_options(int debug_flag, GucContext context, GucSource source)
static bool UseSemiNewlineNewline
static CachedPlanSource * unnamed_stmt_psrc
void FloatExceptionHandler(SIGNAL_ARGS)
int client_connection_check_interval
bool check_log_stats(bool *newval, void **extra, GucSource source)
void StatementCancelHandler(SIGNAL_ARGS)
CommandDest whereToSendOutput
static bool ignore_till_sync
static void finish_xact_command(void)
bool set_plan_disabling_options(const char *arg, GucContext context, GucSource source)
static void enable_statement_timeout(void)
List * pg_analyze_and_rewrite_fixedparams(RawStmt *parsetree, const char *query_string, const Oid *paramTypes, int numParams, QueryEnvironment *queryEnv)
int check_log_duration(char *msec_str, bool was_logged)
static struct timeval Save_t
const char * debug_query_string
static void exec_simple_query(const char *query_string)
const char * get_stats_option_name(const char *arg)
void HandleRecoveryConflictInterrupt(ProcSignalReason reason)
List * pg_rewrite_query(Query *query)
static volatile sig_atomic_t RecoveryConflictPendingReasons[NUM_PROCSIGNALS]
static int errdetail_execute(List *raw_parsetree_list)
void ShowUsage(const char *title)
static void exec_parse_message(const char *query_string, const char *stmt_name, Oid *paramTypes, int numParams)
int restrict_nonsystem_relation_kind
static const char * userDoption
static volatile sig_atomic_t RecoveryConflictPending
static void exec_bind_message(StringInfo input_message)
static bool DoingCommandRead
static int interactive_getc(void)
static int errdetail_params(ParamListInfo params)
static void ProcessRecoveryConflictInterrupts(void)
static int SocketBackend(StringInfo inBuf)
void ProcessClientReadInterrupt(bool blocked)
void ProcessInterrupts(void)
static void bind_param_error_callback(void *arg)
static bool IsTransactionExitStmt(Node *parsetree)
void PostgresMain(const char *dbname, const char *username)
static MemoryContext row_description_context
static int InteractiveBackend(StringInfo inBuf)
static void ProcessRecoveryConflictInterrupt(ProcSignalReason reason)
static struct rusage Save_r
bool check_client_connection_check_interval(int *newval, void **extra, GucSource source)
static StringInfoData row_description_buf
void ProcessClientWriteInterrupt(bool blocked)
static bool doing_extended_query_message
static void start_xact_command(void)
bool check_restrict_nonsystem_relation_kind(char **newval, void **extra, GucSource source)
static void exec_describe_portal_message(const char *portal_name)
List * pg_analyze_and_rewrite_varparams(RawStmt *parsetree, const char *query_string, Oid **paramTypes, int *numParams, QueryEnvironment *queryEnv)
static void drop_unnamed_stmt(void)
#define valgrind_report_error_query(query)
static int ReadCommand(StringInfo inBuf)
bool check_stage_log_stats(bool *newval, void **extra, GucSource source)
void InitializeMaxBackends(void)
void InitializeFastPathLocks(void)
void InitPostgres(const char *in_dbname, Oid dboid, const char *username, Oid useroid, bits32 flags, char *out_dbname)
bool ClientAuthInProgress
BackgroundWorker * MyBgworkerEntry
int pq_getmessage(StringInfo s, int maxlen)
bool pq_is_reading_msg(void)
bool pq_check_connection(void)
void pq_startmsgread(void)
#define PG_PROTOCOL(m, n)
unsigned int pq_getmsgint(StringInfo msg, int b)
void pq_sendbytes(StringInfo buf, const void *data, int datalen)
void pq_getmsgend(StringInfo msg)
const char * pq_getmsgstring(StringInfo msg)
void pq_putemptymessage(char msgtype)
void pq_endmessage(StringInfo buf)
int pq_getmsgbyte(StringInfo msg)
void pq_beginmessage(StringInfo buf, char msgtype)
const char * pq_getmsgbytes(StringInfo msg, int datalen)
void pq_beginmessage_reuse(StringInfo buf, char msgtype)
void pq_endmessage_reuse(StringInfo buf)
static void pq_sendint32(StringInfo buf, uint32 i)
static void pq_sendint16(StringInfo buf, uint16 i)
void PortalSetResultFormat(Portal portal, int nFormats, int16 *formats)
void PortalStart(Portal portal, ParamListInfo params, int eflags, Snapshot snapshot)
List * FetchPortalTargetList(Portal portal)
bool PortalRun(Portal portal, long count, bool isTopLevel, DestReceiver *dest, DestReceiver *altdest, QueryCompletion *qc)
void SetRemoteDestReceiverParams(DestReceiver *self, Portal portal)
void SendRowDescriptionMessage(StringInfo buf, TupleDesc typeinfo, List *targetlist, int16 *formats)
void ProcessProcSignalBarrier(void)
void procsignal_sigusr1_handler(SIGNAL_ARGS)
@ PROCSIG_RECOVERY_CONFLICT_BUFFERPIN
@ PROCSIG_RECOVERY_CONFLICT_LOCK
@ PROCSIG_RECOVERY_CONFLICT_LOGICALSLOT
@ PROCSIG_RECOVERY_CONFLICT_DATABASE
@ PROCSIG_RECOVERY_CONFLICT_SNAPSHOT
@ PROCSIG_RECOVERY_CONFLICT_LAST
@ PROCSIG_RECOVERY_CONFLICT_FIRST
@ PROCSIG_RECOVERY_CONFLICT_TABLESPACE
@ PROCSIG_RECOVERY_CONFLICT_STARTUP_DEADLOCK
#define MAX_CANCEL_KEY_LENGTH
#define PqMsg_CloseComplete
#define PqMsg_BindComplete
#define PqMsg_ParameterDescription
#define PqMsg_FunctionCall
#define PqMsg_PortalSuspended
#define PqMsg_BackendKeyData
#define PqMsg_ParseComplete
void set_ps_display_with_len(const char *activity, size_t len)
static void set_ps_display(const char *activity)
int getrusage(int who, struct rusage *rusage)
List * QueryRewrite(Query *parsetree)
void ProcessCatchupInterrupt(void)
volatile sig_atomic_t catchupInterruptPending
ReplicationSlot * MyReplicationSlot
void ReplicationSlotRelease(void)
void ReplicationSlotCleanup(bool synced_only)
Snapshot GetTransactionSnapshot(void)
void PushActiveSnapshot(Snapshot snapshot)
bool ActiveSnapshotSet(void)
void InvalidateCatalogSnapshotConditionally(void)
void PopActiveSnapshot(void)
int IdleInTransactionSessionTimeout
int GetStartupBufferPinWaitBufId(void)
void LockErrorCleanup(void)
void CheckDeadLockAlert(void)
void resetStringInfo(StringInfo str)
void appendStringInfo(StringInfo str, const char *fmt,...)
void appendStringInfoString(StringInfo str, const char *s)
void appendStringInfoChar(StringInfo str, char ch)
void initStringInfo(StringInfo str)
static void initReadOnlyStringInfo(StringInfo str, char *data, int len)
void appendStringInfoStringQuoted(StringInfo str, const char *s, int maxlen)
char bgw_type[BGW_MAXLEN]
const char * query_string
TimestampTz ready_for_use
TimestampTz socket_create
struct ErrorContextCallback * previous
void(* callback)(void *arg)
bool recoveryConflictPending
ParamExternData params[FLEXIBLE_ARRAY_MEMBER]
MemoryContext portalContext
ParamListInfo portalParams
const char * prepStmtName
CachedPlanSource * plansource
void(* rDestroy)(DestReceiver *self)
#define RESTRICT_RELKIND_FOREIGN_TABLE
#define RESTRICT_RELKIND_VIEW
void enable_timeout_after(TimeoutId id, int delay_ms)
bool get_timeout_active(TimeoutId id)
void disable_all_timeouts(bool keep_indicators)
TimestampTz get_timeout_finish_time(TimeoutId id)
void InitializeTimeouts(void)
void disable_timeout(TimeoutId id, bool keep_indicator)
bool get_timeout_indicator(TimeoutId id, bool reset_indicator)
@ IDLE_IN_TRANSACTION_SESSION_TIMEOUT
@ IDLE_STATS_UPDATE_TIMEOUT
@ CLIENT_CONNECTION_CHECK_TIMEOUT
CommandTag CreateCommandTag(Node *parsetree)
LogStmtLevel GetCommandLogLevel(Node *parsetree)
static uint64 TimestampDifferenceMicroseconds(TimestampTz start_time, TimestampTz stop_time)
bool SplitIdentifierString(char *rawstring, char separator, List **namelist)
bool WaitEventSetCanReportClosed(void)
void WalSndErrorCleanup(void)
bool exec_replication_command(const char *cmd_string)
int gettimeofday(struct timeval *tp, void *tzp)
bool IsTransactionOrTransactionBlock(void)
void BeginImplicitTransactionBlock(void)
bool IsTransactionState(void)
void CommandCounterIncrement(void)
void StartTransactionCommand(void)
bool IsAbortedTransactionBlockState(void)
void EndImplicitTransactionBlock(void)
bool IsSubTransaction(void)
void SetCurrentStatementStartTimestamp(void)
TimestampTz GetCurrentStatementStartTimestamp(void)
void CommitTransactionCommand(void)
void AbortCurrentTransaction(void)
#define XACT_FLAGS_PIPELINING
#define XACT_FLAGS_NEEDIMMEDIATECOMMIT
void InitializeWalConsistencyChecking(void)
void LocalProcessControlFile(bool reset)