PostgreSQL Source Code: src/interfaces/libpq/fe-exec.c Source File (original) (raw)
1
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5
6
7
8
9
10
11
12
13
14
16
17#include <ctype.h>
18#include <fcntl.h>
19#include <limits.h>
20
21#ifdef WIN32
22#include "win32.h"
23#else
25#endif
26
30
31
33 "PGRES_EMPTY_QUERY",
34 "PGRES_COMMAND_OK",
35 "PGRES_TUPLES_OK",
36 "PGRES_COPY_OUT",
37 "PGRES_COPY_IN",
38 "PGRES_BAD_RESPONSE",
39 "PGRES_NONFATAL_ERROR",
40 "PGRES_FATAL_ERROR",
41 "PGRES_COPY_BOTH",
42 "PGRES_SINGLE_TUPLE",
43 "PGRES_PIPELINE_SYNC",
44 "PGRES_PIPELINE_ABORTED",
45 "PGRES_TUPLES_CHUNK"
46};
47
48
52 .errMsg = "out of memory\n",
53};
54
55
56
57
58
61
62
65 const char **errmsgp);
69 const char *command,
70 const char *stmtName,
71 int nParams,
72 const Oid *paramTypes,
73 const char *const *paramValues,
74 const int *paramLengths,
75 const int *paramFormats,
76 int resultFormat);
82 const char *target);
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#define PGRESULT_DATA_BLOCKSIZE 2048
143#define PGRESULT_ALIGN_BOUNDARY MAXIMUM_ALIGNOF
144#define PGRESULT_BLOCK_OVERHEAD Max(sizeof(PGresult_data), PGRESULT_ALIGN_BOUNDARY)
145#define PGRESULT_SEP_ALLOC_THRESHOLD (PGRESULT_DATA_BLOCKSIZE / 2)
146
147
148
149
150
151
152
153
154
155
156
157
160{
162
164 if (!result)
165 return NULL;
166
167 result->ntups = 0;
170 result->tuples = NULL;
177 result->events = NULL;
179 result->errMsg = NULL;
187
189 {
190
193
194
195 switch (status)
196 {
205
206 break;
207 default:
208
210 break;
211 }
212
213
215 {
219 {
221 return NULL;
222 }
224 }
225 }
226 else
227 {
228
234 }
235
236 return result;
237}
238
239
240
241
242
243
244
245
246
247
248int
250{
251 int i;
252
253
255 return false;
256
257
259 return false;
260
261
262 if (numAttributes <= 0 || !attDescs)
263 return true;
264
267
269 return false;
270
273
274
277 {
280 else
282
284 return false;
285
288 }
289
290 return true;
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
319{
321 int i;
322
323 if (!src)
324 return NULL;
325
328 return NULL;
329
330
333
334
336 {
338 {
340 return NULL;
341 }
342 }
343
344
346 {
347 int tup,
348 field;
349
350 for (tup = 0; tup < src->ntups; tup++)
351 {
352 for (field = 0; field < src->numAttributes; field++)
353 {
357 {
359 return NULL;
360 }
361 }
362 }
363 }
364
365
368
369
371 {
373 &dest->memorySize);
374 if (->events)
375 {
377 return NULL;
378 }
380 }
381
382
383 for (i = 0; i < dest->nEvents; i++)
384 {
385
387 {
389
390 evt.src = src;
393 dest->events[i].passThrough))
394 dest->events[i].resultInitialized = true;
395 }
396 }
397
399}
400
401
402
403
404
405
406
409{
411 size_t msize;
412 int i;
413
414 if (!events || count <= 0)
415 return NULL;
416
417 msize = count * sizeof(PGEvent);
419 if (!newEvents)
420 return NULL;
421
422 for (i = 0; i < count; i++)
423 {
428 newEvents[i].name = strdup(events[i].name);
430 {
431 while (--i >= 0)
433 free(newEvents);
434 return NULL;
435 }
436 msize += strlen(events[i].name) + 1;
437 }
438
439 *memSize += msize;
440 return newEvents;
441}
442
443
444
445
446
447
448
449
450
451int
453{
455 const char *errmsg = NULL;
456
457
459 return false;
460
461
463 return false;
464
465
466 if (tup_num < 0 || tup_num > res->ntups)
467 {
469 "row number %d is out of range 0..%d",
470 tup_num, res->ntups);
471 return false;
472 }
473
474
475 if (tup_num == res->ntups)
476 {
478 int i;
479
482 true);
483
484 if (!tup)
485 goto fail;
486
487
489 {
492 }
493
494
496 goto fail;
497 }
498
499 attval = &res->tuples[tup_num][field_num];
500
501
503 {
506 }
507 else if (len <= 0)
508 {
509 attval->len = 0;
511 }
512 else
513 {
515 if (!attval->value)
516 goto fail;
520 }
521
522 return true;
523
524
525
526
527
528fail:
532
533 return false;
534}
535
536
537
538
539
540
541
542void *
544{
545
547 return NULL;
548
550}
551
552
553
554
555
556
557
558
559
560
561
562void *
564{
565 char *space;
567
568 if (!res)
569 return NULL;
570
571 if (nBytes <= 0)
573
574
575
576
577
578 if (isBinary)
579 {
581
582 if (offset)
583 {
586 }
587 }
588
589
590 if (nBytes <= (size_t) res->spaceLeft)
591 {
595 return space;
596 }
597
598
599
600
601
602
603
605 {
607
609 if (!block)
610 return NULL;
614 {
615
616
617
618
621 }
622 else
623 {
624
625 block->next = NULL;
627 res->spaceLeft = 0;
628 }
629 return space;
630 }
631
632
634 if (!block)
635 return NULL;
639 if (isBinary)
640 {
641
644 }
645 else
646 {
647
650 }
651
655 return space;
656}
657
658
659
660
661
662size_t
664{
665 if (!res)
666 return 0;
668}
669
670
671
672
673
674char *
676{
677 char *space = (char *) pqResultAlloc(res, strlen(str) + 1, false);
678
679 if (space)
680 strcpy(space, str);
681 return space;
682}
683
684
685
686
687
688
689
690
691void
693{
694 char *msg;
695
696 if (!res)
697 return;
698
699
700
701
702
703
704
705
708 else
709 msg = NULL;
710 if (msg)
712 else
714}
715
716
717
718
719
720void
722{
724 int i;
725
726
727 if (!res)
728 return;
729
731 return;
732
733
735 {
736
738 {
740
744 }
746 }
747
749
750
751 while ((block = res->curBlock) != NULL)
752 {
755 }
756
757
759
760
767
768
769
771}
772
773
774
775
776
777
778void
780{
786}
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802void
804{
805
807
809}
810
811
812
813
814
815
816
817
818
819static void
821{
822
823
824
825
826
828 {
830
832 }
833 else
835
837}
838
839
840
841
842
843
844
845
846
847
848
849
852{
854
856 if (res)
857 {
858
859
860
861
862
865 }
866 else
867 {
868
869
870
871
872
875
876
880
881
882
883
884
885
887 if (res)
888 {
889
890
891
892
896 }
897 else
898 {
899
900
901
902
903
904
905
907
908
909
910
911
912 }
913 }
914
915
916
917
918
919
920
922 conn->error_result = false;
924
925 return res;
926}
927
928
929
930
931
932
933
934
935
936
937void
939{
940 char msgBuf[1024];
941 va_list args;
943
945 return;
946
947
948 va_start(args, fmt);
950 va_end(args);
951 msgBuf[sizeof(msgBuf) - 1] = '\0';
952
953
955 if (!res)
956 return;
958
959
960
961
965
966
967
968
969
970
974 else
976
977
978
979
982}
983
984
985
986
987
988
989
990
991
992static bool
994{
996 {
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008 int newSize;
1010
1011
1012
1013
1014
1018 newSize = INT_MAX;
1019 else
1020 {
1021 *errmsgp = libpq_gettext("PGresult cannot support more than INT_MAX tuples");
1022 return false;
1023 }
1024
1025
1026
1027
1028
1029
1030#if INT_MAX >= (SIZE_MAX / 2)
1031 if (newSize > SIZE_MAX / sizeof(PGresAttValue *))
1032 {
1034 return false;
1035 }
1036#endif
1037
1038 if (res->tuples == NULL)
1041 else
1044 if (!newTuples)
1045 return false;
1049 res->tuples = newTuples;
1050 }
1053 return true;
1054}
1055
1056
1057
1058
1059void
1061{
1063
1067 strlen(value) + 1,
1068 true);
1069 if (!pfield)
1070 return;
1071 pfield->code = code;
1075}
1076
1077
1078
1079
1080void
1082{
1085
1086
1087
1088
1089 for (pstatus = conn->pstatus, prev = NULL;
1090 pstatus != NULL;
1091 prev = pstatus, pstatus = pstatus->next)
1092 {
1093 if (strcmp(pstatus->name, name) == 0)
1094 {
1095 if (prev)
1097 else
1099 free(pstatus);
1100 break;
1101 }
1102 }
1103
1104
1105
1106
1108 strlen(name) + strlen(value) + 2);
1109 if (pstatus)
1110 {
1111 char *ptr;
1112
1114 pstatus->name = ptr;
1115 strcpy(ptr, name);
1116 ptr += strlen(name) + 1;
1117 pstatus->value = ptr;
1118 strcpy(ptr, value);
1121 }
1122
1123
1124
1125
1126
1127
1128
1129
1130 if (strcmp(name, "client_encoding") == 0)
1131 {
1133
1137 }
1138 else if (strcmp(name, "standard_conforming_strings") == 0)
1139 {
1142 }
1143 else if (strcmp(name, "server_version") == 0)
1144 {
1145
1146 int cnt;
1147 int vmaj,
1148 vmin,
1149 vrev;
1150
1151 cnt = sscanf(value, "%d.%d.%d", &vmaj, &vmin, &vrev);
1152
1153 if (cnt == 3)
1154 {
1155
1156 conn->sversion = (100 * vmaj + vmin) * 100 + vrev;
1157 }
1158 else if (cnt == 2)
1159 {
1160 if (vmaj >= 10)
1161 {
1162
1164 }
1165 else
1166 {
1167
1169 }
1170 }
1171 else if (cnt == 1)
1172 {
1173
1175 }
1176 else
1178 }
1179 else if (strcmp(name, "default_transaction_read_only") == 0)
1180 {
1183 }
1184 else if (strcmp(name, "in_hot_standby") == 0)
1185 {
1188 }
1189 else if (strcmp(name, "scram_iterations") == 0)
1190 {
1192 }
1193}
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205int
1207{
1212 int i;
1213
1214
1215
1216
1217
1218
1219
1220
1221
1223 {
1224
1228 if (!res)
1229 return 0;
1230
1232
1235 }
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1248 if (tup == NULL)
1249 return 0;
1250
1251 for (i = 0; i < nfields; i++)
1252 {
1253 int clen = columns[i].len;
1254
1255 if (clen < 0)
1256 {
1257
1260 }
1261 else
1262 {
1264 char *val;
1265
1267 if (val == NULL)
1268 return 0;
1269
1270
1271 memcpy(val, columns[i].value, clen);
1272 val[clen] = '\0';
1273
1276 }
1277 }
1278
1279
1281 return 0;
1282
1283
1284
1285
1286
1289
1290 return 1;
1291}
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1307{
1309
1311 {
1313 if (entry == NULL)
1314 {
1316 return NULL;
1317 }
1318 }
1319 else
1320 {
1323 }
1324 entry->next = NULL;
1325 entry->query = NULL;
1326
1327 return entry;
1328}
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338static void
1340{
1342
1345 else
1347
1349
1351 {
1354
1355
1356
1357
1358
1359
1360
1363 break;
1364
1366
1367
1368
1369
1370
1371
1372
1373
1377 break;
1378 }
1379}
1380
1381
1382
1383
1384
1385static void
1387{
1388 if (entry == NULL)
1389 return;
1390
1391
1393
1394 if (entry->query)
1395 {
1397 entry->query = NULL;
1398 }
1399
1402}
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415int
1417{
1419}
1420
1421int
1423{
1425}
1426
1427static int
1429{
1431
1433 return 0;
1434
1435
1436 if (!query)
1437 {
1439 return 0;
1440 }
1441
1443 {
1445 "PQsendQuery");
1446 return 0;
1447 }
1448
1450 if (entry == NULL)
1451 return 0;
1452
1453
1454
1458 {
1459
1461 return 0;
1462 }
1463
1464
1466
1467 entry->query = strdup(query);
1468
1469
1470
1471
1472
1474 goto sendFailed;
1475
1476
1478
1479 return 1;
1480
1481sendFailed:
1483
1484 return 0;
1485}
1486
1487
1488
1489
1490
1491int
1493 const char *command,
1494 int nParams,
1495 const Oid *paramTypes,
1496 const char *const *paramValues,
1497 const int *paramLengths,
1498 const int *paramFormats,
1499 int resultFormat)
1500{
1502 return 0;
1503
1504
1505 if (!command)
1506 {
1508 return 0;
1509 }
1511 {
1514 return 0;
1515 }
1516
1518 command,
1519 "",
1520 nParams,
1521 paramTypes,
1522 paramValues,
1523 paramLengths,
1524 paramFormats,
1525 resultFormat);
1526}
1527
1528
1529
1530
1531
1532
1533
1534
1535int
1537 const char *stmtName, const char *query,
1538 int nParams, const Oid *paramTypes)
1539{
1541
1543 return 0;
1544
1545
1546 if (!stmtName)
1547 {
1549 return 0;
1550 }
1551 if (!query)
1552 {
1554 return 0;
1555 }
1557 {
1560 return 0;
1561 }
1562
1564 if (entry == NULL)
1565 return 0;
1566
1567
1571 goto sendFailed;
1572
1573 if (nParams > 0 && paramTypes)
1574 {
1575 int i;
1576
1578 goto sendFailed;
1579 for (i = 0; i < nParams; i++)
1580 {
1582 goto sendFailed;
1583 }
1584 }
1585 else
1586 {
1588 goto sendFailed;
1589 }
1591 goto sendFailed;
1592
1593
1595 {
1598 goto sendFailed;
1599 }
1600
1601
1603
1604
1605
1606 entry->query = strdup(query);
1607
1608
1609
1610
1611
1612
1614 goto sendFailed;
1615
1616
1618
1619 return 1;
1620
1621sendFailed:
1623
1624 return 0;
1625}
1626
1627
1628
1629
1630
1631
1632int
1634 const char *stmtName,
1635 int nParams,
1636 const char *const *paramValues,
1637 const int *paramLengths,
1638 const int *paramFormats,
1639 int resultFormat)
1640{
1642 return 0;
1643
1644
1645 if (!stmtName)
1646 {
1648 return 0;
1649 }
1651 {
1654 return 0;
1655 }
1656
1658 NULL,
1659 stmtName,
1660 nParams,
1661 NULL,
1662 paramValues,
1663 paramLengths,
1664 paramFormats,
1665 resultFormat);
1666}
1667
1668
1669
1670
1671
1672static bool
1674{
1676 return false;
1677
1678
1679
1680
1681
1682
1685
1686
1688 {
1690 return false;
1691 }
1692
1693
1696 {
1698 return false;
1699 }
1700
1702 {
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1715 {
1721
1722 break;
1723
1728 return false;
1729 }
1730 }
1731 else
1732 {
1733
1734
1735
1736
1738
1739
1743 }
1744
1745
1746 return true;
1747}
1748
1749
1750
1751
1752
1753
1754
1755
1756static int
1758 const char *command,
1759 const char *stmtName,
1760 int nParams,
1761 const Oid *paramTypes,
1762 const char *const *paramValues,
1763 const int *paramLengths,
1764 const int *paramFormats,
1765 int resultFormat)
1766{
1767 int i;
1769
1771 if (entry == NULL)
1772 return 0;
1773
1774
1775
1776
1777
1778
1779
1780 if (command)
1781 {
1782
1786 goto sendFailed;
1787 if (nParams > 0 && paramTypes)
1788 {
1790 goto sendFailed;
1791 for (i = 0; i < nParams; i++)
1792 {
1794 goto sendFailed;
1795 }
1796 }
1797 else
1798 {
1800 goto sendFailed;
1801 }
1803 goto sendFailed;
1804 }
1805
1806
1810 goto sendFailed;
1811
1812
1813 if (nParams > 0 && paramFormats)
1814 {
1816 goto sendFailed;
1817 for (i = 0; i < nParams; i++)
1818 {
1820 goto sendFailed;
1821 }
1822 }
1823 else
1824 {
1826 goto sendFailed;
1827 }
1828
1830 goto sendFailed;
1831
1832
1833 for (i = 0; i < nParams; i++)
1834 {
1835 if (paramValues && paramValues[i])
1836 {
1837 int nbytes;
1838
1839 if (paramFormats && paramFormats[i] != 0)
1840 {
1841
1842 if (paramLengths)
1843 nbytes = paramLengths[i];
1844 else
1845 {
1847 goto sendFailed;
1848 }
1849 }
1850 else
1851 {
1852
1853 nbytes = strlen(paramValues[i]);
1854 }
1857 goto sendFailed;
1858 }
1859 else
1860 {
1861
1863 goto sendFailed;
1864 }
1865 }
1868 goto sendFailed;
1870 goto sendFailed;
1871
1872
1877 goto sendFailed;
1878
1879
1884 goto sendFailed;
1885
1886
1888 {
1891 goto sendFailed;
1892 }
1893
1894
1896
1897
1898
1899 if (command)
1900 entry->query = strdup(command);
1901
1902
1903
1904
1905
1906
1908 goto sendFailed;
1909
1910
1912
1913 return 1;
1914
1915sendFailed:
1917
1918 return 0;
1919}
1920
1921
1922
1923
1924static bool
1926{
1927
1928
1929
1930
1932 return false;
1934 return false;
1938 return false;
1940 return false;
1941 return true;
1942}
1943
1944
1945
1946
1947int
1949{
1951 {
1955 return 1;
1956 }
1957 else
1958 return 0;
1959}
1960
1961
1962
1963
1964int
1966{
1968 {
1972 return 1;
1973 }
1974 else
1975 return 0;
1976}
1977
1978
1979
1980
1981
1982
1983int
1985{
1987 return 0;
1988
1989
1990
1991
1992
1993
1995 {
1997 return 0;
1998 }
1999
2000
2001
2002
2003
2004
2005
2007 return 0;
2008
2009
2010 return 1;
2011}
2012
2013
2014
2015
2016
2017
2018
2019static void
2021{
2023}
2024
2025
2026
2027
2028
2029
2030int
2032{
2034 return false;
2035
2036
2038
2039
2040
2041
2042
2043
2044
2045
2046
2048}
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2063{
2065
2067 return NULL;
2068
2069
2071
2072
2074 {
2075 int flushResult;
2076
2077
2078
2079
2080
2081 while ((flushResult = pqFlush(conn)) > 0)
2082 {
2084 {
2085 flushResult = -1;
2086 break;
2087 }
2088 }
2089
2090
2091
2092
2093
2094
2095
2096
2097 if (flushResult ||
2100 {
2101
2105 }
2106
2107
2109
2110
2111
2112
2113
2115 {
2119 }
2120 }
2121
2122
2124 {
2126 res = NULL;
2127 break;
2130
2131
2132
2133
2134
2135
2136
2138 res = NULL;
2139 break;
2140
2143
2144
2145
2146
2147
2148
2149
2150
2151
2153 {
2155 break;
2156 }
2157
2158
2161
2163 {
2164
2165
2166
2167
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2183 }
2184 else
2185 {
2186
2188 }
2189 break;
2192
2194 break;
2197 break;
2200 break;
2203 break;
2204 default:
2209 break;
2210 }
2211
2212
2213 if (res && res->nEvents > 0)
2215
2216 return res;
2217}
2218
2219
2220
2221
2222
2225{
2226
2227
2228
2229
2230
2231
2232
2233
2235 {
2239 }
2240
2241
2244
2245
2247}
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2263{
2265 return NULL;
2267 return NULL;
2269}
2270
2271
2272
2273
2274
2277 const char *command,
2278 int nParams,
2279 const Oid *paramTypes,
2280 const char *const *paramValues,
2281 const int *paramLengths,
2282 const int *paramFormats,
2283 int resultFormat)
2284{
2286 return NULL;
2288 nParams, paramTypes, paramValues, paramLengths,
2289 paramFormats, resultFormat))
2290 return NULL;
2292}
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2307 const char *stmtName, const char *query,
2308 int nParams, const Oid *paramTypes)
2309{
2311 return NULL;
2313 return NULL;
2315}
2316
2317
2318
2319
2320
2321
2324 const char *stmtName,
2325 int nParams,
2326 const char *const *paramValues,
2327 const int *paramLengths,
2328 const int *paramFormats,
2329 int resultFormat)
2330{
2332 return NULL;
2334 nParams, paramValues, paramLengths,
2335 paramFormats, resultFormat))
2336 return NULL;
2338}
2339
2340
2341
2342
2343static bool
2345{
2347
2349 return false;
2350
2351
2352
2353
2354
2355
2358
2360 {
2361 libpq_append_conn_error(conn, "synchronous command execution functions are not allowed in pipeline mode");
2362 return false;
2363 }
2364
2365
2366
2367
2368
2370 {
2372
2373 PQclear(result);
2375 {
2376
2378 libpq_gettext("COPY terminated by new PQexec")) < 0)
2379 return false;
2380
2381 }
2383 {
2384
2385
2386
2387
2389
2390 }
2392 {
2393
2395 return false;
2396 }
2397
2399 return false;
2400 }
2401
2402
2403 return true;
2404}
2405
2406
2407
2408
2411{
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426 lastResult = NULL;
2428 {
2430 lastResult = result;
2435 break;
2436 }
2437
2438 return lastResult;
2439}
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2456{
2458 return NULL;
2460 return NULL;
2462}
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2475{
2477 return NULL;
2479 return NULL;
2481}
2482
2483
2484
2485
2486
2487
2488
2489
2490int
2492{
2494}
2495
2496
2497
2498
2499
2500
2501
2502
2503int
2505{
2507}
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2522{
2524 return NULL;
2526 return NULL;
2528}
2529
2530
2531
2532
2533
2534
2535
2536
2537
2540{
2542 return NULL;
2544 return NULL;
2546}
2547
2548
2549
2550
2551
2552
2553
2554
2555int
2557{
2559}
2560
2561
2562
2563
2564
2565
2566
2567
2568int
2570{
2572}
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588static int
2590{
2592
2593
2594 if (!target)
2595 target = "";
2596
2598 return 0;
2599
2601 if (entry == NULL)
2602 return 0;
2603
2604
2609 goto sendFailed;
2610
2611
2613 {
2616 goto sendFailed;
2617 }
2618
2619
2621 {
2623 }
2625 {
2627 }
2628 else
2629 {
2631 goto sendFailed;
2632 }
2633
2634
2635
2636
2637
2638
2640 goto sendFailed;
2641
2642
2644
2645 return 1;
2646
2647sendFailed:
2649
2650 return 0;
2651}
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2668{
2670
2672 return NULL;
2673
2674
2676
2678 if (event)
2679 {
2683 event->next = NULL;
2684 }
2685 return event;
2686}
2687
2688
2689
2690
2691
2692
2693
2694int
2696{
2698 return -1;
2701 {
2703 return -1;
2704 }
2705
2706
2707
2708
2709
2710
2711
2712
2713
2715
2716 if (nbytes > 0)
2717 {
2718
2719
2720
2721
2722
2723
2725 {
2727 return -1;
2731 }
2732
2736 return -1;
2737 }
2738 return 1;
2739}
2740
2741
2742
2743
2744
2745
2746
2747
2748int
2750{
2752 return -1;
2755 {
2757 return -1;
2758 }
2759
2760
2761
2762
2763
2764 if (errormsg)
2765 {
2766
2770 return -1;
2771 }
2772 else
2773 {
2774
2777 return -1;
2778 }
2779
2780
2781
2782
2783
2786 {
2789 return -1;
2790 }
2791
2792
2795 else
2797
2798
2800 return -1;
2801
2802 return 1;
2803}
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815int
2817{
2818 *buffer = NULL;
2820 return -2;
2823 {
2825 return -2;
2826 }
2828}
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853int
2855{
2856 if (!buffer || length <= 0)
2857 return EOF;
2858 *buffer = '\0';
2859
2860 if (length < 3)
2861 return EOF;
2862
2864 return EOF;
2865
2867}
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900int
2902{
2904 return -1;
2905
2907}
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917int
2919{
2921}
2922
2923
2924
2925
2926
2927int
2929{
2931 return 0;
2932 else
2933 return EOF;
2934}
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948int
2950{
2952 return 0;
2953
2955}
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2981 int fnid,
2982 int *result_buf,
2983 int *result_len,
2984 int result_is_int,
2986 int nargs)
2987{
2988 *result_len = 0;
2989
2991 return NULL;
2992
2993
2994
2995
2996
2997
3000
3002 {
3004 return NULL;
3005 }
3006
3009 {
3011 return NULL;
3012 }
3013
3015 result_buf, result_len,
3016 result_is_int,
3017 args, nargs);
3018}
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041int
3043{
3045 return 0;
3046
3047
3049 return 1;
3050
3052 {
3054 return 0;
3055 }
3056
3058
3059 return 1;
3060}
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072int
3074{
3076 return 0;
3077
3082 return 1;
3083
3085 {
3088
3090 return 0;
3091
3094 return 0;
3095
3098
3099 break;
3100
3105 }
3106
3107
3109 {
3111 return 0;
3112 }
3113
3116
3117
3119 return 0;
3120 return 1;
3121}
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141void
3143{
3145
3147 return;
3148
3149
3150
3151
3152
3154 return;
3155
3156
3157
3158
3160 return;
3161
3162
3165
3166
3169
3170
3171 prevquery->next = NULL;
3173}
3174
3175
3176
3177
3178
3179static void
3181{
3183 {
3190
3191 return;
3192
3194
3195
3196
3197
3198
3199
3201 {
3203 break;
3204 }
3205 return;
3206
3209
3210 break;
3211 }
3212
3213
3214
3215
3216
3220
3221
3222
3223
3224
3226 {
3228 return;
3229 }
3230
3231
3232
3233
3234
3236
3237
3239
3242 {
3243
3244
3245
3246
3247
3248
3249
3250
3253 {
3256 return;
3257 }
3259 }
3260 else
3261 {
3262
3264 }
3265}
3266
3267
3268
3269
3270
3271int
3273{
3275}
3276
3277
3278
3279
3280
3281int
3283{
3285}
3286
3287
3288
3289
3290
3291
3292
3293static int
3295{
3297
3299 return 0;
3300
3302 {
3304 return 0;
3305 }
3306
3308 {
3312
3314 "internal error: cannot send pipeline while in COPY\n");
3315 return 0;
3321
3322 break;
3323 }
3324
3326 if (entry == NULL)
3327 return 0;
3328
3330 entry->query = NULL;
3331
3332
3335 goto sendFailed;
3336
3337
3338
3339
3340
3341
3342
3343 if (immediate_flush)
3344 {
3346 goto sendFailed;
3347 }
3348 else
3349 {
3351 goto sendFailed;
3352 }
3353
3354
3356
3357 return 1;
3358
3359sendFailed:
3361
3362 return 0;
3363}
3364
3365
3366
3367
3368
3369
3370int
3372{
3374 return 0;
3375
3376
3378 {
3380 return 0;
3381 }
3382
3383
3386 {
3388 return 0;
3389 }
3390
3393 {
3394 return 0;
3395 }
3396
3397
3398
3399
3400
3401
3403 return 0;
3404
3405 return 1;
3406}
3407
3408
3409
3412{
3413 if (!res)
3416}
3417
3418char *
3420{
3422 return libpq_gettext("invalid ExecStatusType code");
3424}
3425
3426char *
3428{
3429 if (!res || !res->errMsg)
3430 return "";
3432}
3433
3434char *
3438{
3440
3441
3442
3443
3444
3445
3446 if (!res ||
3449 return strdup(libpq_gettext("PGresult is not an error result\n"));
3450
3452
3454
3455
3457 {
3459 return strdup(libpq_gettext("out of memory\n"));
3460 }
3461
3462 return workBuf.data;
3463}
3464
3465char *
3467{
3469
3470 if (!res)
3471 return NULL;
3472 for (pfield = res->errFields; pfield != NULL; pfield = pfield->next)
3473 {
3474 if (pfield->code == fieldcode)
3476 }
3477 return NULL;
3478}
3479
3480int
3482{
3483 if (!res)
3484 return 0;
3485 return res->ntups;
3486}
3487
3488int
3490{
3491 if (!res)
3492 return 0;
3494}
3495
3496int
3498{
3499 if (!res)
3500 return 0;
3502}
3503
3504
3505
3506
3507
3508
3509static int
3511{
3512 if (!res)
3513 return false;
3514 if (field_num < 0 || field_num >= res->numAttributes)
3515 {
3517 "column number %d is out of range 0..%d",
3519 return false;
3520 }
3521 return true;
3522}
3523
3524static int
3526 int tup_num, int field_num)
3527{
3528 if (!res)
3529 return false;
3530 if (tup_num < 0 || tup_num >= res->ntups)
3531 {
3533 "row number %d is out of range 0..%d",
3534 tup_num, res->ntups - 1);
3535 return false;
3536 }
3537 if (field_num < 0 || field_num >= res->numAttributes)
3538 {
3540 "column number %d is out of range 0..%d",
3542 return false;
3543 }
3544 return true;
3545}
3546
3547static int
3549{
3550 if (!res)
3551 return false;
3552 if (param_num < 0 || param_num >= res->numParameters)
3553 {
3555 "parameter number %d is out of range 0..%d",
3557 return false;
3558 }
3559
3560 return true;
3561}
3562
3563
3564
3565
3566char *
3568{
3570 return NULL;
3573 else
3574 return NULL;
3575}
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588int
3590{
3591 char *field_case;
3592 bool in_quotes;
3593 bool all_lower = true;
3594 const char *iptr;
3595 char *optr;
3596 int i;
3597
3598 if (!res)
3599 return -1;
3600
3601
3602
3603
3604
3605 if (field_name == NULL ||
3606 field_name[0] == '\0' ||
3608 return -1;
3609
3610
3611
3612
3613
3614 for (iptr = field_name; *iptr; iptr++)
3615 {
3616 char c = *iptr;
3617
3618 if (c == '"' || c != pg_tolower((unsigned char) c))
3619 {
3620 all_lower = false;
3621 break;
3622 }
3623 }
3624
3625 if (all_lower)
3627 if (strcmp(field_name, res->attDescs[i].name) == 0)
3628 return i;
3629
3630
3631
3632
3633
3634
3635
3636
3637 field_case = strdup(field_name);
3638 if (field_case == NULL)
3639 return -1;
3640
3641 in_quotes = false;
3642 optr = field_case;
3643 for (iptr = field_case; *iptr; iptr++)
3644 {
3645 char c = *iptr;
3646
3647 if (in_quotes)
3648 {
3649 if (c == '"')
3650 {
3651 if (iptr[1] == '"')
3652 {
3653
3654 *optr++ = '"';
3655 iptr++;
3656 }
3657 else
3658 in_quotes = false;
3659 }
3660 else
3661 *optr++ = c;
3662 }
3663 else if (c == '"')
3664 in_quotes = true;
3665 else
3666 {
3668 *optr++ = c;
3669 }
3670 }
3671 *optr = '\0';
3672
3674 {
3675 if (strcmp(field_case, res->attDescs[i].name) == 0)
3676 {
3677 free(field_case);
3678 return i;
3679 }
3680 }
3681 free(field_case);
3682 return -1;
3683}
3684
3687{
3692 else
3694}
3695
3696int
3698{
3700 return 0;
3703 else
3704 return 0;
3705}
3706
3707int
3709{
3711 return 0;
3714 else
3715 return 0;
3716}
3717
3720{
3725 else
3727}
3728
3729int
3731{
3733 return 0;
3736 else
3737 return 0;
3738}
3739
3740int
3742{
3744 return 0;
3747 else
3748 return 0;
3749}
3750
3751char *
3753{
3754 if (!res)
3755 return NULL;
3757}
3758
3759
3760
3761
3762
3763
3764char *
3766{
3767
3768
3769
3770
3771 static char buf[24];
3772
3773 size_t len;
3774
3775 if (!res || strncmp(res->cmdStatus, "INSERT ", 7) != 0)
3776 return "";
3777
3778 len = strspn(res->cmdStatus + 7, "0123456789");
3779 if (len > sizeof(buf) - 1)
3783
3784 return buf;
3785}
3786
3787
3788
3789
3790
3791
3794{
3795 char *endptr = NULL;
3796 unsigned long result;
3797
3798 if (!res ||
3799 strncmp(res->cmdStatus, "INSERT ", 7) != 0 ||
3803
3804 result = strtoul(res->cmdStatus + 7, &endptr, 10);
3805
3806 if (!endptr || (*endptr != ' ' && *endptr != '\0'))
3808 else
3809 return (Oid) result;
3810}
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821char *
3823{
3824 char *p,
3825 *c;
3826
3827 if (!res)
3828 return "";
3829
3830 if (strncmp(res->cmdStatus, "INSERT ", 7) == 0)
3831 {
3833
3834 while (*p && *p != ' ')
3835 p++;
3836 if (*p == 0)
3837 goto interpret_error;
3838 p++;
3839 }
3840 else if (strncmp(res->cmdStatus, "SELECT ", 7) == 0 ||
3841 strncmp(res->cmdStatus, "DELETE ", 7) == 0 ||
3842 strncmp(res->cmdStatus, "UPDATE ", 7) == 0)
3844 else if (strncmp(res->cmdStatus, "FETCH ", 6) == 0 ||
3845 strncmp(res->cmdStatus, "MERGE ", 6) == 0)
3847 else if (strncmp(res->cmdStatus, "MOVE ", 5) == 0 ||
3848 strncmp(res->cmdStatus, "COPY ", 5) == 0)
3850 else
3851 return "";
3852
3853
3855 {
3856 if (!isdigit((unsigned char) *c))
3857 goto interpret_error;
3858 }
3859 if (c == p)
3860 goto interpret_error;
3861
3862 return p;
3863
3864interpret_error:
3866 "could not interpret result from server: %s",
3868 return "";
3869}
3870
3871
3872
3873
3874
3875char *
3877{
3879 return NULL;
3880 return res->tuples[tup_num][field_num].value;
3881}
3882
3883
3884
3885
3886int
3888{
3890 return 0;
3892 return res->tuples[tup_num][field_num].len;
3893 else
3894 return 0;
3895}
3896
3897
3898
3899
3900int
3902{
3904 return 1;
3906 return 1;
3907 else
3908 return 0;
3909}
3910
3911
3912
3913
3914int
3916{
3917 if (!res)
3918 return 0;
3920}
3921
3922
3923
3924
3927{
3932 else
3934}
3935
3936
3937
3938
3939
3940
3941
3942
3943int
3945{
3946 bool barg;
3947
3949 return -1;
3950
3951 barg = (arg ? true : false);
3952
3953
3955 return 0;
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3968
3969
3971 return -1;
3972
3974
3975 return 0;
3976}
3977
3978
3979
3980
3981
3982int
3984{
3986 return false;
3988}
3989
3990
3991int
3993{
3994 return true;
3995}
3996
3997
3998
3999int
4001{
4003 return -1;
4005}
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015static int
4017{
4021 return 0;
4022}
4023
4024
4025
4026
4027
4028
4029
4030
4031void
4033{
4035}
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045#undef PQfreeNotify
4047
4048void
4050{
4052}
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070static size_t
4072 char *to, const char *from, size_t length,
4074 int encoding, bool std_strings)
4075{
4076 const char *source = from;
4077 char *target = to;
4079 bool already_complained = false;
4080
4083
4085 {
4087 int charlen;
4088 int i;
4089
4090
4092 {
4093
4095 *target++ = c;
4096
4097 *target++ = c;
4100 continue;
4101 }
4102
4103
4106
4109 {
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4138 if (conn && !already_complained)
4139 {
4142 else
4144
4145 already_complained = true;
4146 }
4147
4149 target += 2;
4150
4151
4152
4153
4154
4155
4158 }
4159 else
4160 {
4161
4162 for (i = 0; i < charlen; i++)
4163 {
4164 *target++ = *source++;
4166 }
4167 }
4168 }
4169
4170
4171 *target = '\0';
4172
4173 return target - to;
4174}
4175
4176size_t
4178 char *to, const char *from, size_t length,
4180{
4182 {
4183
4184 *to = '\0';
4187 return 0;
4188 }
4189
4192
4196}
4197
4198size_t
4200{
4204}
4205
4206
4207
4208
4209
4210
4211
4212
4213static char *
4215{
4216 const char *s;
4217 char *result;
4218 char *rp;
4219 int num_quotes = 0;
4220 int num_backslashes = 0;
4222 size_t result_size;
4223 char quote_char = as_ident ? '"' : '\'';
4224 bool validated_mb = false;
4225
4226
4228 return NULL;
4229
4232
4233
4234
4235
4236
4237 s = str;
4239 {
4240 if (*s == quote_char)
4241 ++num_quotes;
4242 else if (*s == '\\')
4243 ++num_backslashes;
4245 {
4246 int charlen;
4247
4248
4251
4253 {
4254
4256 return NULL;
4257 }
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269 if (!validated_mb)
4270 {
4273 {
4275 return NULL;
4276 }
4277 validated_mb = true;
4278 }
4279
4280
4281 s += charlen - 1;
4283 }
4284 }
4285
4286
4287 result_size = input_len + num_quotes + 3;
4288 if (!as_ident && num_backslashes > 0)
4289 result_size += num_backslashes + 2;
4290 result = rp = (char *) malloc(result_size);
4291 if (rp == NULL)
4292 {
4294 return NULL;
4295 }
4296
4297
4298
4299
4300
4301
4302
4303
4304 if (!as_ident && num_backslashes > 0)
4305 {
4306 *rp++ = ' ';
4307 *rp++ = 'E';
4308 }
4309
4310
4311 *rp++ = quote_char;
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324 if (num_quotes == 0 && (num_backslashes == 0 || as_ident))
4325 {
4326 memcpy(rp, str, input_len);
4327 rp += input_len;
4328 }
4329 else
4330 {
4331 s = str;
4333 {
4334 if (*s == quote_char || (!as_ident && *s == '\\'))
4335 {
4336 *rp++ = *s;
4337 *rp++ = *s;
4338 }
4340 *rp++ = *s;
4341 else
4342 {
4344
4345 while (1)
4346 {
4347 *rp++ = *s;
4348 if (--i == 0)
4349 break;
4351 ++s;
4352 }
4353 }
4354 }
4355 }
4356
4357
4358 *rp++ = quote_char;
4359 *rp = '\0';
4360
4361 return result;
4362}
4363
4364char *
4366{
4368}
4369
4370char *
4372{
4374}
4375
4376
4377static const char hextbl[] = "0123456789abcdef";
4378
4380 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
4381 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
4382 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
4383 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1,
4384 -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
4385 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
4386 -1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1,
4387 -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
4388};
4389
4390static inline char
4392{
4393 int res = -1;
4394
4397
4398 return (char) res;
4399}
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417static unsigned char *
4419 const unsigned char *from, size_t from_length,
4420 size_t *to_length, bool std_strings, bool use_hex)
4421{
4422 const unsigned char *vp;
4423 unsigned char *rp;
4424 unsigned char *result;
4425 size_t i;
4426 size_t len;
4427 size_t bslash_len = (std_strings ? 1 : 2);
4428
4429
4430
4431
4432 len = 1;
4433
4434 if (use_hex)
4435 {
4436 len += bslash_len + 1 + 2 * from_length;
4437 }
4438 else
4439 {
4440 vp = from;
4441 for (i = from_length; i > 0; i--, vp++)
4442 {
4443 if (*vp < 0x20 || *vp > 0x7e)
4444 len += bslash_len + 3;
4445 else if (*vp == '\'')
4446 len += 2;
4447 else if (*vp == '\\')
4448 len += bslash_len + bslash_len;
4449 else
4451 }
4452 }
4453
4454 *to_length = len;
4455 rp = result = (unsigned char *) malloc(len);
4456 if (rp == NULL)
4457 {
4460 return NULL;
4461 }
4462
4463 if (use_hex)
4464 {
4465 if (!std_strings)
4466 *rp++ = '\\';
4467 *rp++ = '\\';
4468 *rp++ = 'x';
4469 }
4470
4471 vp = from;
4472 for (i = from_length; i > 0; i--, vp++)
4473 {
4474 unsigned char c = *vp;
4475
4476 if (use_hex)
4477 {
4478 *rp++ = hextbl[(c >> 4) & 0xF];
4480 }
4482 {
4483 if (!std_strings)
4484 *rp++ = '\\';
4485 *rp++ = '\\';
4486 *rp++ = (c >> 6) + '0';
4487 *rp++ = ((c >> 3) & 07) + '0';
4488 *rp++ = (c & 07) + '0';
4489 }
4490 else if (c == '\'')
4491 {
4492 *rp++ = '\'';
4493 *rp++ = '\'';
4494 }
4495 else if (c == '\\')
4496 {
4497 if (!std_strings)
4498 {
4499 *rp++ = '\\';
4500 *rp++ = '\\';
4501 }
4502 *rp++ = '\\';
4503 *rp++ = '\\';
4504 }
4505 else
4506 *rp++ = c;
4507 }
4508 *rp = '\0';
4509
4510 return result;
4511}
4512
4513unsigned char *
4515 const unsigned char *from, size_t from_length,
4516 size_t *to_length)
4517{
4519 return NULL;
4520
4523
4527}
4528
4529unsigned char *
4530PQescapeBytea(const unsigned char *from, size_t from_length, size_t *to_length)
4531{
4534 false );
4535}
4536
4537
4538#define ISFIRSTOCTDIGIT(CH) ((CH) >= '0' && (CH) <= '3')
4539#define ISOCTDIGIT(CH) ((CH) >= '0' && (CH) <= '7')
4540#define OCTVAL(CH) ((CH) - '0')
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554unsigned char *
4556{
4557 size_t strtextlen,
4558 buflen;
4559 unsigned char *buffer,
4561 size_t i,
4562 j;
4563
4564 if (strtext == NULL)
4565 return NULL;
4566
4567 strtextlen = strlen((const char *) strtext);
4568
4569 if (strtext[0] == '\\' && strtext[1] == 'x')
4570 {
4571 const unsigned char *s;
4572 unsigned char *p;
4573
4574 buflen = (strtextlen - 2) / 2;
4575
4576 buffer = (unsigned char *) malloc(buflen > 0 ? buflen : 1);
4577 if (buffer == NULL)
4578 return NULL;
4579
4580 s = strtext + 2;
4581 p = buffer;
4582 while (*s)
4583 {
4584 char v1,
4585 v2;
4586
4587
4588
4589
4590
4592 if (!*s || v1 == (char) -1)
4593 continue;
4595 if (v2 != (char) -1)
4596 *p++ = (v1 << 4) | v2;
4597 }
4598
4599 buflen = p - buffer;
4600 }
4601 else
4602 {
4603
4604
4605
4606
4607 buffer = (unsigned char *) malloc(strtextlen + 1);
4608 if (buffer == NULL)
4609 return NULL;
4610
4611 for (i = j = 0; i < strtextlen;)
4612 {
4613 switch (strtext[i])
4614 {
4615 case '\\':
4616 i++;
4617 if (strtext[i] == '\\')
4618 buffer[j++] = strtext[i++];
4619 else
4620 {
4624 {
4625 int byte;
4626
4627 byte = OCTVAL(strtext[i++]);
4628 byte = (byte << 3) + OCTVAL(strtext[i++]);
4629 byte = (byte << 3) + OCTVAL(strtext[i++]);
4630 buffer[j++] = byte;
4631 }
4632 }
4633
4634
4635
4636
4637
4638
4639
4640
4641 break;
4642
4643 default:
4644 buffer[j++] = strtext[i++];
4645 break;
4646 }
4647 }
4648 buflen = j;
4649 }
4650
4651
4652
4654
4655
4657 {
4658 free(buffer);
4659 return NULL;
4660 }
4661
4662 *retbuflen = buflen;
4664}
#define unconstify(underlying_type, expr)
#define IS_HIGHBIT_SET(ch)
#define SQL_STR_DOUBLE(ch, escape_backslash)
int errmsg(const char *fmt,...)
static int PQsendQueryInternal(PGconn *conn, const char *query, bool newQuery)
int PQsendQueryParams(PGconn *conn, const char *command, int nParams, const Oid *paramTypes, const char *const *paramValues, const int *paramLengths, const int *paramFormats, int resultFormat)
int PQsendQueryContinue(PGconn *conn, const char *query)
int PQgetlength(const PGresult *res, int tup_num, int field_num)
int PQsetSingleRowMode(PGconn *conn)
static char get_hex(char c)
int PQbinaryTuples(const PGresult *res)
int PQflush(PGconn *conn)
PGresult * PQcopyResult(const PGresult *src, int flags)
void PQfreemem(void *ptr)
static unsigned char * PQescapeByteaInternal(PGconn *conn, const unsigned char *from, size_t from_length, size_t *to_length, bool std_strings, bool use_hex)
int PQgetline(PGconn *conn, char *buffer, int length)
void * pqResultAlloc(PGresult *res, size_t nBytes, bool isBinary)
static bool canChangeResultMode(PGconn *conn)
static size_t PQescapeStringInternal(PGconn *conn, char *to, const char *from, size_t length, int *error, int encoding, bool std_strings)
Oid PQftype(const PGresult *res, int field_num)
char * PQresultVerboseErrorMessage(const PGresult *res, PGVerbosity verbosity, PGContextVisibility show_context)
PGresult * PQdescribePrepared(PGconn *conn, const char *stmt)
PGresult * PQexecParams(PGconn *conn, const char *command, int nParams, const Oid *paramTypes, const char *const *paramValues, const int *paramLengths, const int *paramFormats, int resultFormat)
int PQexitPipelineMode(PGconn *conn)
PGresult * PQexecPrepared(PGconn *conn, const char *stmtName, int nParams, const char *const *paramValues, const int *paramLengths, const int *paramFormats, int resultFormat)
int PQsendClosePortal(PGconn *conn, const char *portal)
static PGcmdQueueEntry * pqAllocCmdQueueEntry(PGconn *conn)
int PQsetResultAttrs(PGresult *res, int numAttributes, PGresAttDesc *attDescs)
unsigned char * PQunescapeBytea(const unsigned char *strtext, size_t *retbuflen)
void pqSaveMessageField(PGresult *res, char code, const char *value)
static int check_tuple_field_number(const PGresult *res, int tup_num, int field_num)
PGresult * pqPrepareAsyncResult(PGconn *conn)
static void pqSaveWriteError(PGconn *conn)
int PQenterPipelineMode(PGconn *conn)
void pqCommandQueueAdvance(PGconn *conn, bool isReadyForQuery, bool gotSync)
void pqSetResultError(PGresult *res, PQExpBuffer errorMessage, int offset)
size_t PQescapeStringConn(PGconn *conn, char *to, const char *from, size_t length, int *error)
void pqSaveErrorResult(PGconn *conn)
PGresult * PQclosePrepared(PGconn *conn, const char *stmt)
char *const pgresStatus[]
char * PQgetvalue(const PGresult *res, int tup_num, int field_num)
#define PGRESULT_DATA_BLOCKSIZE
PGresult * PQclosePortal(PGconn *conn, const char *portal)
static int pqPipelineSyncInternal(PGconn *conn, bool immediate_flush)
PGresult * PQgetResult(PGconn *conn)
ExecStatusType PQresultStatus(const PGresult *res)
Oid PQparamtype(const PGresult *res, int param_num)
static int check_param_number(const PGresult *res, int param_num)
int pqRowProcessor(PGconn *conn, const char **errmsgp)
int PQnparams(const PGresult *res)
void PQclear(PGresult *res)
int PQsendClosePrepared(PGconn *conn, const char *stmt)
char * PQcmdTuples(PGresult *res)
static PGresult * PQexecFinish(PGconn *conn)
int PQfformat(const PGresult *res, int field_num)
static void pqAppendCmdQueueEntry(PGconn *conn, PGcmdQueueEntry *entry)
static int PQsendQueryGuts(PGconn *conn, const char *command, const char *stmtName, int nParams, const Oid *paramTypes, const char *const *paramValues, const int *paramLengths, const int *paramFormats, int resultFormat)
int PQendcopy(PGconn *conn)
static int pqPipelineFlush(PGconn *conn)
int PQputCopyEnd(PGconn *conn, const char *errormsg)
static int PQsendTypedCommand(PGconn *conn, char command, char type, const char *target)
int PQsendPipelineSync(PGconn *conn)
int PQntuples(const PGresult *res)
int PQputnbytes(PGconn *conn, const char *buffer, int nbytes)
int PQputline(PGconn *conn, const char *string)
int PQgetlineAsync(PGconn *conn, char *buffer, int bufsize)
static const PGresult OOM_result
#define PGRESULT_BLOCK_OVERHEAD
int PQputCopyData(PGconn *conn, const char *buffer, int nbytes)
static PGresult * getCopyResult(PGconn *conn, ExecStatusType copytype)
PGresult * PQmakeEmptyPGresult(PGconn *conn, ExecStatusType status)
static PGEvent * dupEvents(PGEvent *events, int count, size_t *memSize)
PGresult * PQprepare(PGconn *conn, const char *stmtName, const char *query, int nParams, const Oid *paramTypes)
static bool static_std_strings
char * PQresultErrorMessage(const PGresult *res)
void pqInternalNotice(const PGNoticeHooks *hooks, const char *fmt,...)
int PQsendDescribePrepared(PGconn *conn, const char *stmt)
char * PQfname(const PGresult *res, int field_num)
static const char hextbl[]
static bool PQexecStart(PGconn *conn)
size_t PQescapeString(char *to, const char *from, size_t length)
int PQconsumeInput(PGconn *conn)
static char * PQescapeInternal(PGconn *conn, const char *str, size_t len, bool as_ident)
#define ISFIRSTOCTDIGIT(CH)
static void parseInput(PGconn *conn)
Oid PQftable(const PGresult *res, int field_num)
int PQfnumber(const PGresult *res, const char *field_name)
unsigned char * PQescapeBytea(const unsigned char *from, size_t from_length, size_t *to_length)
void pqSaveParameterStatus(PGconn *conn, const char *name, const char *value)
int PQsetnonblocking(PGconn *conn, int arg)
char * PQescapeLiteral(PGconn *conn, const char *str, size_t len)
PGresult * PQfn(PGconn *conn, int fnid, int *result_buf, int *result_len, int result_is_int, const PQArgBlock *args, int nargs)
int PQsendPrepare(PGconn *conn, const char *stmtName, const char *query, int nParams, const Oid *paramTypes)
#define PGRESULT_SEP_ALLOC_THRESHOLD
PGresult * PQdescribePortal(PGconn *conn, const char *portal)
int PQfmod(const PGresult *res, int field_num)
void pqClearAsyncResult(PGconn *conn)
int PQgetisnull(const PGresult *res, int tup_num, int field_num)
int PQftablecol(const PGresult *res, int field_num)
int PQsetChunkedRowsMode(PGconn *conn, int chunkSize)
static int static_client_encoding
char * PQresultErrorField(const PGresult *res, int fieldcode)
int PQsetvalue(PGresult *res, int tup_num, int field_num, char *value, int len)
int PQsendQuery(PGconn *conn, const char *query)
char * PQcmdStatus(PGresult *res)
int PQpipelineSync(PGconn *conn)
char * PQoidStatus(const PGresult *res)
int PQsendDescribePortal(PGconn *conn, const char *portal)
char * PQresStatus(ExecStatusType status)
size_t PQresultMemorySize(const PGresult *res)
void * PQresultAlloc(PGresult *res, size_t nBytes)
int PQisBusy(PGconn *conn)
PGresult * PQexec(PGconn *conn, const char *query)
unsigned char * PQescapeByteaConn(PGconn *conn, const unsigned char *from, size_t from_length, size_t *to_length)
int PQsendQueryPrepared(PGconn *conn, const char *stmtName, int nParams, const char *const *paramValues, const int *paramLengths, const int *paramFormats, int resultFormat)
static void pqPipelineProcessQueue(PGconn *conn)
char * PQescapeIdentifier(PGconn *conn, const char *str, size_t len)
int PQsendFlushRequest(PGconn *conn)
int PQisnonblocking(const PGconn *conn)
char * pqResultStrdup(PGresult *res, const char *str)
Oid PQoidValue(const PGresult *res)
static bool pqAddTuple(PGresult *res, PGresAttValue *tup, const char **errmsgp)
#define PGRESULT_ALIGN_BOUNDARY
int PQnfields(const PGresult *res)
static int check_field_number(const PGresult *res, int field_num)
int PQfsize(const PGresult *res, int field_num)
PGnotify * PQnotifies(PGconn *conn)
static bool PQsendQueryStart(PGconn *conn, bool newQuery)
static const int8 hexlookup[128]
int PQgetCopyData(PGconn *conn, char **buffer, int async)
static void pqRecycleCmdQueueEntry(PGconn *conn, PGcmdQueueEntry *entry)
void PQfreeNotify(PGnotify *notify)
int pqPutc(char c, PGconn *conn)
int pqReadData(PGconn *conn)
int pqPutInt(int value, size_t bytes, PGconn *conn)
int pqCheckOutBufferSpace(size_t bytes_needed, PGconn *conn)
int pqFlush(PGconn *conn)
int pqPutMsgStart(char msg_type, PGconn *conn)
int pqWait(int forRead, int forWrite, PGconn *conn)
int pqPutnchar(const void *s, size_t len, PGconn *conn)
int pqPuts(const char *s, PGconn *conn)
int pqPutMsgEnd(PGconn *conn)
void pqBuildErrorMessage3(PQExpBuffer msg, const PGresult *res, PGVerbosity verbosity, PGContextVisibility show_context)
void pqParseInput3(PGconn *conn)
int pqEndcopy3(PGconn *conn)
PGresult * pqFunctionCall3(PGconn *conn, Oid fnid, int *result_buf, int *actual_result_len, int result_is_int, const PQArgBlock *args, int nargs)
int pqGetlineAsync3(PGconn *conn, char *buffer, int bufsize)
int pqGetCopyData3(PGconn *conn, char **buffer, int async)
int pqGetline3(PGconn *conn, char *s, int maxlen)
Assert(PointerIsAligned(start, uint64))
if(TABLE==NULL||TABLE_index==NULL)
int PQfireResultCreateEvents(PGconn *conn, PGresult *res)
#define PG_COPYRES_TUPLES
struct pg_result PGresult
#define PG_COPYRES_EVENTS
#define PG_COPYRES_NOTICEHOOKS
#define PQ_QUERY_PARAM_MAX_LIMIT
struct pgParameterStatus pgParameterStatus
#define pqClearConnErrorState(conn)
union pgresult_data PGresult_data
#define pqIsnonblocking(conn)
#define OUTBUFFER_THRESHOLD
#define pgHavePendingResult(conn)
void libpq_append_conn_error(PGconn *conn, const char *fmt,...)
static rewind_source * source
#define pg_char_to_encoding
unsigned char pg_tolower(unsigned char ch)
size_t strnlen(const char *str, size_t maxlen)
#define PG_DIAG_SEVERITY_NONLOCALIZED
#define PG_DIAG_MESSAGE_PRIMARY
void initPQExpBuffer(PQExpBuffer str)
void appendPQExpBufferStr(PQExpBuffer str, const char *data)
void termPQExpBuffer(PQExpBuffer str)
#define PQExpBufferBroken(str)
#define PQExpBufferDataBroken(buf)
PQnoticeReceiver noticeRec
PQnoticeProcessor noticeProc
struct PGcmdQueueEntry * next
struct pgMessageField * next
char contents[FLEXIBLE_ARRAY_MEMBER]
struct pgParameterStatus * next
PGTernaryBool in_hot_standby
PGcmdQueueEntry * cmd_queue_recycle
PGcmdQueueEntry * cmd_queue_tail
PGTernaryBool default_transaction_read_only
pgParameterStatus * pstatus
PQExpBufferData errorMessage
PGAsyncStatusType asyncStatus
int scram_sha_256_iterations
PGpipelineStatus pipelineStatus
PGNoticeHooks noticeHooks
PGcmdQueueEntry * cmd_queue_head
PGNoticeHooks noticeHooks
char cmdStatus[CMDSTATUS_LEN]
PGMessageField * errFields
PGresParamDesc * paramDescs
ExecStatusType resultStatus
static StringInfoData tmpbuf
void pg_encoding_set_invalid(int encoding, char *dst)
int pg_encoding_mblen_or_incomplete(int encoding, const char *mbstr, size_t remaining)
int pg_encoding_verifymbstr(int encoding, const char *mbstr, int len)
int pg_encoding_mblen(int encoding, const char *mbstr)
int pg_encoding_verifymbchar(int encoding, const char *mbstr, int len)