Heikki Linnakangas wrote:
Ceschia, Marcello wrote:
In query "query_not_working" all values from column "136_119" has the value of the first column.

Using the splitted query ("working_version") it works.

I hope this data will help to find the bug.


Oh, the query actually gives an assertion failure on an assertion-enabled build, so this is clearly a bug:

TRAP: FailedAssertion("!(attnum > 0 && attnum <= list_length(rte->joinaliasvars))", File: "parse_relation.c", Line: 1697)

gdb tells that attnum is -31393 at that point. That's because get_rte_attribute_type() takes an AttrNumber, which is int16, and make_var() is trying to pass 34143, so it overflows.

It seems we should extend AttrNumber to int32; we don't use AttrNumber in any of the on-disk structs. Though you still couldn't have more than MaxHeapAttributeNumber (1600) attributes in a table or MaxTupleAttributeNumber (1664) in a result set or intermediate tuples, like the output of a sort node, at least you could join ridiculously wide tables like that as long as you project out enough columns.

Attached is a self-contained test script to reproduce this. It produces an assertion failure in 8.1 - CVS HEAD. On 8.0, it runs for ~5 minutes, and finally produces an "ERROR: invalid varattno -32768" elog. On 7.4, it runs for even longer, but returns the correct result in the end. Looking at the code, I believe the same bug is present in 8.0 and 7.4 as well, but is masked by something else in those releases.

On second thought, expanding AttrNumber to int32, wholesale, might not be a good idea, because AttrNumber is used in the function signature of TupleDescInitEntry and some other functions that might be used in C-language user-defined functions. They would need to be recompiled. Is this something to worry about?

Another approach is to track down all uses of AttrNumber where it's used to refer to an entry in a target list (varattno), and change those to plain ints. Attached is a patch to do that. This seems like a safer approach, but I'm slightly worried that I might've missed some variables that need to be changed.


  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com

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col0956 int4,
col0957 int4,
col0958 int4,
col0959 int4,
col0960 int4,
col0961 int4,
col0962 int4,
col0963 int4,
col0964 int4,
col0965 int4,
col0966 int4,
col0967 int4,
col0968 int4,
col0969 int4,
col0970 int4,
col0971 int4,
col0972 int4,
col0973 int4,
col0974 int4,
col0975 int4,
col0976 int4,
col0977 int4,
col0978 int4,
col0979 int4,
col0980 int4,
col0981 int4,
col0982 int4,
col0983 int4,
col0984 int4,
col0985 int4,
col0986 int4,
col0987 int4,
col0988 int4,
col0989 int4,
col0990 int4,
col0991 int4,
col0992 int4,
col0993 int4,
col0994 int4,
col0995 int4,
col0996 int4,
col0997 int4,
col0998 int4,
col0999 int4,
col1000 int4,
col1001 int4,
col1002 int4,
col1003 int4,
col1004 int4,
col1005 int4,
col1006 int4,
col1007 int4,
col1008 int4,
col1009 int4,
col1010 int4,
col1011 int4,
col1012 int4,
col1013 int4,
col1014 int4,
col1015 int4,
col1016 int4,
col1017 int4,
col1018 int4,
col1019 int4,
col1020 int4,
col1021 int4,
col1022 int4,
col1023 int4,
col1024 int4,
col1025 int4,
col1026 int4,
col1027 int4,
col1028 int4,
col1029 int4,
col1030 int4,
col1031 int4,
col1032 int4,
col1033 int4,
col1034 int4,
col1035 int4,
col1036 int4,
col1037 int4,
col1038 int4,
col1039 int4,
col1040 int4,
col1041 int4,
col1042 int4,
col1043 int4,
col1044 int4,
col1045 int4,
col1046 int4,
col1047 int4,
col1048 int4,
col1049 int4,
col1050 int4,
col1051 int4,
col1052 int4,
col1053 int4,
col1054 int4,
col1055 int4,
col1056 int4,
col1057 int4,
col1058 int4,
col1059 int4,
col1060 int4,
col1061 int4,
col1062 int4,
col1063 int4,
col1064 int4,
col1065 int4,
col1066 int4,
col1067 int4,
col1068 int4,
col1069 int4,
col1070 int4,
col1071 int4,
col1072 int4,
col1073 int4,
col1074 int4,
col1075 int4,
col1076 int4,
col1077 int4,
col1078 int4,
col1079 int4,
col1080 int4,
col1081 int4,
col1082 int4,
col1083 int4,
col1084 int4,
col1085 int4,
col1086 int4,
col1087 int4,
col1088 int4,
col1089 int4,
col1090 int4,
col1091 int4,
col1092 int4,
col1093 int4,
col1094 int4,
col1095 int4,
col1096 int4,
col1097 int4,
col1098 int4,
col1099 int4,
col1100 int4,
col1101 int4,
col1102 int4,
col1103 int4,
col1104 int4,
col1105 int4,
col1106 int4,
col1107 int4,
col1108 int4,
col1109 int4,
col1110 int4,
col1111 int4,
col1112 int4,
col1113 int4,
col1114 int4,
col1115 int4,
col1116 int4,
col1117 int4,
col1118 int4,
col1119 int4,
col1120 int4,
col1121 int4,
col1122 int4,
col1123 int4,
col1124 int4,
col1125 int4,
col1126 int4,
col1127 int4,
col1128 int4,
col1129 int4,
col1130 int4,
col1131 int4,
col1132 int4,
col1133 int4,
col1134 int4,
col1135 int4,
col1136 int4,
col1137 int4,
col1138 int4,
col1139 int4,
col1140 int4,
col1141 int4,
col1142 int4,
col1143 int4,
col1144 int4,
col1145 int4,
col1146 int4,
col1147 int4,
col1148 int4,
col1149 int4,
col1150 int4,
col1151 int4,
col1152 int4,
col1153 int4,
col1154 int4,
col1155 int4,
col1156 int4,
col1157 int4,
col1158 int4,
col1159 int4,
col1160 int4,
col1161 int4,
col1162 int4,
col1163 int4,
col1164 int4,
col1165 int4,
col1166 int4,
col1167 int4,
col1168 int4,
col1169 int4,
col1170 int4,
col1171 int4,
col1172 int4,
col1173 int4,
col1174 int4,
col1175 int4,
col1176 int4,
col1177 int4,
col1178 int4,
col1179 int4,
col1180 int4,
col1181 int4,
col1182 int4,
col1183 int4,
col1184 int4,
col1185 int4,
col1186 int4,
col1187 int4,
col1188 int4,
col1189 int4,
col1190 int4,
col1191 int4,
col1192 int4,
col1193 int4,
col1194 int4,
col1195 int4,
col1196 int4,
col1197 int4,
col1198 int4,
col1199 int4,
col1200 int4,
col1201 int4,
col1202 int4,
col1203 int4,
col1204 int4,
col1205 int4,
col1206 int4,
col1207 int4,
col1208 int4,
col1209 int4,
col1210 int4,
col1211 int4,
col1212 int4,
col1213 int4,
col1214 int4,
col1215 int4,
col1216 int4,
col1217 int4,
col1218 int4,
col1219 int4,
col1220 int4,
col1221 int4,
col1222 int4,
col1223 int4,
col1224 int4,
col1225 int4,
col1226 int4,
col1227 int4,
col1228 int4,
col1229 int4,
col1230 int4,
col1231 int4,
col1232 int4,
col1233 int4,
col1234 int4,
col1235 int4,
col1236 int4,
col1237 int4,
col1238 int4,
col1239 int4,
col1240 int4,
col1241 int4,
col1242 int4,
col1243 int4,
col1244 int4,
col1245 int4,
col1246 int4,
col1247 int4,
col1248 int4,
col1249 int4,
col1250 int4,
col1251 int4,
col1252 int4,
col1253 int4,
col1254 int4,
col1255 int4,
col1256 int4,
col1257 int4,
col1258 int4,
col1259 int4,
col1260 int4,
col1261 int4,
col1262 int4,
col1263 int4,
col1264 int4,
col1265 int4,
col1266 int4,
col1267 int4,
col1268 int4,
col1269 int4,
col1270 int4,
col1271 int4,
col1272 int4,
col1273 int4,
col1274 int4,
col1275 int4,
col1276 int4,
col1277 int4,
col1278 int4,
col1279 int4,
col1280 int4,
col1281 int4,
col1282 int4,
col1283 int4,
col1284 int4,
col1285 int4,
col1286 int4,
col1287 int4,
col1288 int4,
col1289 int4,
col1290 int4,
col1291 int4,
col1292 int4,
col1293 int4,
col1294 int4,
col1295 int4,
col1296 int4,
col1297 int4,
col1298 int4,
col1299 int4,
col1300 int4,
col1301 int4,
col1302 int4,
col1303 int4,
col1304 int4,
col1305 int4,
col1306 int4,
col1307 int4,
col1308 int4,
col1309 int4,
col1310 int4,
col1311 int4,
col1312 int4,
col1313 int4,
col1314 int4,
col1315 int4,
col1316 int4,
col1317 int4,
col1318 int4,
col1319 int4,
col1320 int4,
col1321 int4,
col1322 int4,
col1323 int4,
col1324 int4,
col1325 int4,
col1326 int4,
col1327 int4,
col1328 int4,
col1329 int4,
col1330 int4,
col1331 int4,
col1332 int4,
col1333 int4,
col1334 int4,
col1335 int4,
col1336 int4,
col1337 int4,
col1338 int4,
col1339 int4,
col1340 int4,
col1341 int4,
col1342 int4,
col1343 int4,
col1344 int4,
col1345 int4,
col1346 int4,
col1347 int4,
col1348 int4,
col1349 int4,
col1350 int4,
col1351 int4,
col1352 int4,
col1353 int4,
col1354 int4,
col1355 int4,
col1356 int4,
col1357 int4,
col1358 int4,
col1359 int4,
col1360 int4,
col1361 int4,
col1362 int4,
col1363 int4,
col1364 int4,
col1365 int4,
col1366 int4,
col1367 int4,
col1368 int4,
col1369 int4,
col1370 int4,
col1371 int4,
col1372 int4,
col1373 int4,
col1374 int4,
col1375 int4,
col1376 int4,
col1377 int4,
col1378 int4,
col1379 int4,
col1380 int4,
col1381 int4,
col1382 int4,
col1383 int4,
col1384 int4,
col1385 int4,
col1386 int4,
col1387 int4,
col1388 int4,
col1389 int4,
col1390 int4,
col1391 int4,
col1392 int4,
col1393 int4,
col1394 int4,
col1395 int4,
col1396 int4,
col1397 int4,
col1398 int4,
col1399 int4,
col1400 int4,
col1401 int4,
col1402 int4,
col1403 int4,
col1404 int4,
col1405 int4,
col1406 int4,
col1407 int4,
col1408 int4,
col1409 int4,
col1410 int4,
col1411 int4,
col1412 int4,
col1413 int4,
col1414 int4,
col1415 int4,
col1416 int4,
col1417 int4,
col1418 int4,
col1419 int4,
col1420 int4,
col1421 int4,
col1422 int4,
col1423 int4,
col1424 int4,
col1425 int4,
col1426 int4,
col1427 int4,
col1428 int4,
col1429 int4,
col1430 int4,
col1431 int4,
col1432 int4,
col1433 int4,
col1434 int4,
col1435 int4,
col1436 int4,
col1437 int4,
col1438 int4,
col1439 int4,
col1440 int4,
col1441 int4,
col1442 int4,
col1443 int4,
col1444 int4,
col1445 int4,
col1446 int4,
col1447 int4,
col1448 int4,
col1449 int4,
col1450 int4,
col1451 int4,
col1452 int4,
col1453 int4,
col1454 int4,
col1455 int4,
col1456 int4,
col1457 int4,
col1458 int4,
col1459 int4,
col1460 int4,
col1461 int4,
col1462 int4,
col1463 int4,
col1464 int4,
col1465 int4,
col1466 int4,
col1467 int4,
col1468 int4,
col1469 int4,
col1470 int4,
col1471 int4,
col1472 int4,
col1473 int4,
col1474 int4,
col1475 int4,
col1476 int4,
col1477 int4,
col1478 int4,
col1479 int4,
col1480 int4,
col1481 int4,
col1482 int4,
col1483 int4,
col1484 int4,
col1485 int4,
col1486 int4,
col1487 int4,
col1488 int4,
col1489 int4,
col1490 int4,
col1491 int4,
col1492 int4,
col1493 int4,
col1494 int4,
col1495 int4,
col1496 int4,
col1497 int4,
col1498 int4,
col1499 int4,
col1500 int4,
col1501 int4,
col1502 int4,
col1503 int4,
col1504 int4,
col1505 int4,
col1506 int4,
col1507 int4,
col1508 int4,
col1509 int4,
col1510 int4,
col1511 int4,
col1512 int4,
col1513 int4,
col1514 int4,
col1515 int4,
col1516 int4,
col1517 int4,
col1518 int4,
col1519 int4,
col1520 int4,
col1521 int4,
col1522 int4,
col1523 int4,
col1524 int4,
col1525 int4,
col1526 int4,
col1527 int4,
col1528 int4,
col1529 int4,
col1530 int4,
col1531 int4,
col1532 int4,
col1533 int4,
col1534 int4,
col1535 int4,
col1536 int4,
col1537 int4,
col1538 int4,
col1539 int4,
col1540 int4,
col1541 int4,
col1542 int4,
col1543 int4,
col1544 int4,
col1545 int4,
col1546 int4,
col1547 int4,
col1548 int4,
col1549 int4,
col1550 int4,
col1551 int4,
col1552 int4,
col1553 int4,
col1554 int4,
col1555 int4,
col1556 int4,
col1557 int4,
col1558 int4,
col1559 int4,
col1560 int4,
col1561 int4,
col1562 int4,
col1563 int4,
col1564 int4,
col1565 int4,
col1566 int4,
col1567 int4,
col1568 int4,
col1569 int4,
col1570 int4,
col1571 int4,
col1572 int4,
col1573 int4,
col1574 int4,
col1575 int4,
col1576 int4,
col1577 int4,
col1578 int4,
col1579 int4,
col1580 int4,
col1581 int4,
col1582 int4,
col1583 int4,
col1584 int4,
col1585 int4,
col1586 int4,
col1587 int4,
col1588 int4,
col1589 int4,
col1590 int4,
col1591 int4,
col1592 int4,
col1593 int4,
col1594 int4,
col1595 int4,
col1596 int4,
col1597 int4,
col1598 int4,
col1599 int4

CREATE TABLE narrowtable (ntcol int4);

INSERT INTO widetable VALUES (1, 2, 3);
INSERT INTO narrowtable VALUES (1);

SELECT wt000.col0000, ntcol
FROM widetable wt000
INNER JOIN widetable wt001 ON (wt001.col0000 = wt000.col0000)
INNER JOIN widetable wt002 ON (wt002.col0000 = wt001.col0000)
INNER JOIN widetable wt003 ON (wt003.col0000 = wt002.col0000)
INNER JOIN widetable wt004 ON (wt004.col0000 = wt003.col0000)
INNER JOIN widetable wt005 ON (wt005.col0000 = wt004.col0000)
INNER JOIN widetable wt006 ON (wt006.col0000 = wt005.col0000)
INNER JOIN widetable wt007 ON (wt007.col0000 = wt006.col0000)
INNER JOIN widetable wt008 ON (wt008.col0000 = wt007.col0000)
INNER JOIN widetable wt009 ON (wt009.col0000 = wt008.col0000)
INNER JOIN widetable wt010 ON (wt010.col0000 = wt009.col0000)
INNER JOIN widetable wt011 ON (wt011.col0000 = wt010.col0000)
INNER JOIN widetable wt012 ON (wt012.col0000 = wt011.col0000)
INNER JOIN widetable wt013 ON (wt013.col0000 = wt012.col0000)
INNER JOIN widetable wt014 ON (wt014.col0000 = wt013.col0000)
INNER JOIN widetable wt015 ON (wt015.col0000 = wt014.col0000)
INNER JOIN widetable wt016 ON (wt016.col0000 = wt015.col0000)
INNER JOIN widetable wt017 ON (wt017.col0000 = wt016.col0000)
INNER JOIN widetable wt018 ON (wt018.col0000 = wt017.col0000)
INNER JOIN widetable wt019 ON (wt019.col0000 = wt018.col0000)
INNER JOIN widetable wt020 ON (wt020.col0000 = wt019.col0000)
INNER JOIN widetable wt021 ON (wt021.col0000 = wt020.col0000)
INNER JOIN widetable wt022 ON (wt022.col0000 = wt021.col0000)
INNER JOIN widetable wt023 ON (wt023.col0000 = wt022.col0000)
INNER JOIN widetable wt024 ON (wt024.col0000 = wt023.col0000)
INNER JOIN widetable wt025 ON (wt025.col0000 = wt024.col0000)
INNER JOIN widetable wt026 ON (wt026.col0000 = wt025.col0000)
INNER JOIN widetable wt027 ON (wt027.col0000 = wt026.col0000)
INNER JOIN widetable wt028 ON (wt028.col0000 = wt027.col0000)
INNER JOIN widetable wt029 ON (wt029.col0000 = wt028.col0000)
INNER JOIN narrowtable nt ON (nt.ntcol = wt029.col0000)
Index: src/backend/executor/execQual.c
RCS file: /home/hlinnaka/pgcvsrepository/pgsql/src/backend/executor/execQual.c,v
retrieving revision 1.226
diff -c -r1.226 execQual.c
*** src/backend/executor/execQual.c	1 Jan 2008 19:45:49 -0000	1.226
--- src/backend/executor/execQual.c	3 Apr 2008 12:25:22 -0000
*** 450,456 ****
  	Var		   *variable = (Var *) exprstate->expr;
  	TupleTableSlot *slot;
! 	AttrNumber	attnum;
  	if (isDone)
  		*isDone = ExprSingleResult;
--- 450,456 ----
  	Var		   *variable = (Var *) exprstate->expr;
  	TupleTableSlot *slot;
! 	int			attnum;
  	if (isDone)
  		*isDone = ExprSingleResult;
*** 637,643 ****
  	Var		   *variable = (Var *) exprstate->expr;
  	TupleTableSlot *slot;
! 	AttrNumber	attnum;
  	if (isDone)
  		*isDone = ExprSingleResult;
--- 637,643 ----
  	Var		   *variable = (Var *) exprstate->expr;
  	TupleTableSlot *slot;
! 	int			attnum;
  	if (isDone)
  		*isDone = ExprSingleResult;
Index: src/backend/nodes/makefuncs.c
RCS file: /home/hlinnaka/pgcvsrepository/pgsql/src/backend/nodes/makefuncs.c,v
retrieving revision 1.58
diff -c -r1.58 makefuncs.c
*** src/backend/nodes/makefuncs.c	1 Jan 2008 19:45:50 -0000	1.58
--- src/backend/nodes/makefuncs.c	3 Apr 2008 12:10:17 -0000
*** 62,68 ****
  Var *
  makeVar(Index varno,
! 		AttrNumber varattno,
  		Oid vartype,
  		int32 vartypmod,
  		Index varlevelsup)
--- 62,68 ----
  Var *
  makeVar(Index varno,
! 		int varattno,
  		Oid vartype,
  		int32 vartypmod,
  		Index varlevelsup)
*** 93,99 ****
  TargetEntry *
  makeTargetEntry(Expr *expr,
! 				AttrNumber resno,
  				char *resname,
  				bool resjunk)
--- 93,99 ----
  TargetEntry *
  makeTargetEntry(Expr *expr,
! 				int resno,
  				char *resname,
  				bool resjunk)
Index: src/backend/optimizer/util/var.c
RCS file: /home/hlinnaka/pgcvsrepository/pgsql/src/backend/optimizer/util/var.c,v
retrieving revision 1.73
diff -c -r1.73 var.c
*** src/backend/optimizer/util/var.c	1 Jan 2008 19:45:50 -0000	1.73
--- src/backend/optimizer/util/var.c	3 Apr 2008 12:22:41 -0000
*** 595,608 ****
  			/* Must expand whole-row reference */
  			RowExpr    *rowexpr;
  			List	   *fields = NIL;
- 			AttrNumber	attnum;
  			ListCell   *l;
- 			attnum = 0;
  			foreach(l, rte->joinaliasvars)
  				newvar = (Node *) lfirst(l);
- 				attnum++;
  				/* Ignore dropped columns */
  				if (IsA(newvar, Const))
--- 595,605 ----
Index: src/backend/parser/parse_relation.c
RCS file: /home/hlinnaka/pgcvsrepository/pgsql/src/backend/parser/parse_relation.c,v
retrieving revision 1.130
diff -c -r1.130 parse_relation.c
*** src/backend/parser/parse_relation.c	1 Jan 2008 19:45:51 -0000	1.130
--- src/backend/parser/parse_relation.c	3 Apr 2008 12:10:25 -0000
*** 1506,1512 ****
  		TargetEntry *te;
  		te = makeTargetEntry((Expr *) varnode,
! 							 (AttrNumber) pstate->p_next_resno++,
  		te_list = lappend(te_list, te);
--- 1506,1512 ----
  		TargetEntry *te;
  		te = makeTargetEntry((Expr *) varnode,
! 							 pstate->p_next_resno++,
  		te_list = lappend(te_list, te);
*** 1529,1535 ****
   * occurs when a Var represents a whole tuple of a relation.
  char *
! get_rte_attribute_name(RangeTblEntry *rte, AttrNumber attnum)
  	if (attnum == InvalidAttrNumber)
  		return "*";
--- 1529,1535 ----
   * occurs when a Var represents a whole tuple of a relation.
  char *
! get_rte_attribute_name(RangeTblEntry *rte, int attnum)
  	if (attnum == InvalidAttrNumber)
  		return "*";
*** 1567,1573 ****
   *		Get attribute type information from a RangeTblEntry
! get_rte_attribute_type(RangeTblEntry *rte, AttrNumber attnum,
  					   Oid *vartype, int32 *vartypmod)
  	switch (rte->rtekind)
--- 1567,1573 ----
   *		Get attribute type information from a RangeTblEntry
! get_rte_attribute_type(RangeTblEntry *rte, int attnum,
  					   Oid *vartype, int32 *vartypmod)
  	switch (rte->rtekind)
*** 1710,1716 ****
   *		Check whether attempted attribute ref is to a dropped column
! get_rte_attribute_is_dropped(RangeTblEntry *rte, AttrNumber attnum)
  	bool		result;
--- 1710,1716 ----
   *		Check whether attempted attribute ref is to a dropped column
! get_rte_attribute_is_dropped(RangeTblEntry *rte, int attnum)
  	bool		result;
Index: src/backend/parser/parse_target.c
RCS file: /home/hlinnaka/pgcvsrepository/pgsql/src/backend/parser/parse_target.c,v
retrieving revision 1.158
diff -c -r1.158 parse_target.c
*** src/backend/parser/parse_target.c	1 Jan 2008 19:45:51 -0000	1.158
--- src/backend/parser/parse_target.c	3 Apr 2008 12:13:47 -0000
*** 83,89 ****
  	return makeTargetEntry((Expr *) expr,
! 						   (AttrNumber) pstate->p_next_resno++,
--- 83,89 ----
  	return makeTargetEntry((Expr *) expr,
! 						   pstate->p_next_resno++,
*** 254,260 ****
  	int			netlevelsup;
  	RangeTblEntry *rte;
! 	AttrNumber	attnum;
  	if (var == NULL || !IsA(var, Var))
--- 254,260 ----
  	int			netlevelsup;
  	RangeTblEntry *rte;
! 	int	attnum;
  	if (var == NULL || !IsA(var, Var))
Index: src/backend/utils/adt/ruleutils.c
RCS file: /home/hlinnaka/pgcvsrepository/pgsql/src/backend/utils/adt/ruleutils.c,v
retrieving revision 1.269
diff -c -r1.269 ruleutils.c
*** src/backend/utils/adt/ruleutils.c	6 Jan 2008 01:03:16 -0000	1.269
--- src/backend/utils/adt/ruleutils.c	3 Apr 2008 12:16:10 -0000
*** 2616,2622 ****
  	StringInfo	buf = context->buf;
  	RangeTblEntry *rte;
! 	AttrNumber	attnum;
  	int			netlevelsup;
  	deparse_namespace *dpns;
  	char	   *schemaname;
--- 2616,2622 ----
  	StringInfo	buf = context->buf;
  	RangeTblEntry *rte;
! 	int			attnum;
  	int			netlevelsup;
  	deparse_namespace *dpns;
  	char	   *schemaname;
*** 2802,2808 ****
  					   int levelsup, deparse_context *context)
  	RangeTblEntry *rte;
! 	AttrNumber	attnum;
  	int			netlevelsup;
  	deparse_namespace *dpns;
  	TupleDesc	tupleDesc;
--- 2802,2808 ----
  					   int levelsup, deparse_context *context)
  	RangeTblEntry *rte;
! 	int			attnum;
  	int			netlevelsup;
  	deparse_namespace *dpns;
  	TupleDesc	tupleDesc;
*** 4964,4970 ****
  	StringInfo	buf = context->buf;
  	ListCell   *col;
! 	AttrNumber	attnum;
  	bool		first = true;
  	if (alias == NULL || alias->colnames == NIL)
--- 4964,4970 ----
  	StringInfo	buf = context->buf;
  	ListCell   *col;
! 	int			attnum;
  	bool		first = true;
  	if (alias == NULL || alias->colnames == NIL)
Index: src/include/nodes/makefuncs.h
RCS file: /home/hlinnaka/pgcvsrepository/pgsql/src/include/nodes/makefuncs.h,v
retrieving revision 1.61
diff -c -r1.61 makefuncs.h
*** src/include/nodes/makefuncs.h	1 Jan 2008 19:45:58 -0000	1.61
--- src/include/nodes/makefuncs.h	3 Apr 2008 12:10:57 -0000
*** 24,36 ****
  				 Node *lexpr, Node *rexpr, int location);
  extern Var *makeVar(Index varno,
! 		AttrNumber varattno,
  		Oid vartype,
  		int32 vartypmod,
  		Index varlevelsup);
  extern TargetEntry *makeTargetEntry(Expr *expr,
! 				AttrNumber resno,
  				char *resname,
  				bool resjunk);
--- 24,36 ----
  				 Node *lexpr, Node *rexpr, int location);
  extern Var *makeVar(Index varno,
! 		int varattno,
  		Oid vartype,
  		int32 vartypmod,
  		Index varlevelsup);
  extern TargetEntry *makeTargetEntry(Expr *expr,
! 				int resno,
  				char *resname,
  				bool resjunk);
Index: src/include/nodes/primnodes.h
RCS file: /home/hlinnaka/pgcvsrepository/pgsql/src/include/nodes/primnodes.h,v
retrieving revision 1.137
diff -c -r1.137 primnodes.h
*** src/include/nodes/primnodes.h	1 Jan 2008 19:45:58 -0000	1.137
--- src/include/nodes/primnodes.h	3 Apr 2008 12:10:06 -0000
*** 134,140 ****
  	Expr		xpr;
  	Index		varno;			/* index of this var's relation in the range
  								 * table (could also be INNER or OUTER) */
! 	AttrNumber	varattno;		/* attribute number of this var, or zero for
  								 * all */
  	Oid			vartype;		/* pg_type OID for the type of this var */
  	int32		vartypmod;		/* pg_attribute typmod value */
--- 134,140 ----
  	Expr		xpr;
  	Index		varno;			/* index of this var's relation in the range
  								 * table (could also be INNER or OUTER) */
! 	int			varattno;		/* attribute number of this var, or zero for
  								 * all */
  	Oid			vartype;		/* pg_type OID for the type of this var */
  	int32		vartypmod;		/* pg_attribute typmod value */
*** 145,151 ****
  	 * >0 means N levels up
  	Index		varnoold;		/* original value of varno, for debugging */
! 	AttrNumber	varoattno;		/* original value of varattno */
  } Var;
--- 145,151 ----
  	 * >0 means N levels up
  	Index		varnoold;		/* original value of varno, for debugging */
! 	int			varoattno;		/* original value of varattno */
  } Var;
*** 497,503 ****
  	Expr		xpr;
  	Expr	   *arg;			/* input expression */
! 	AttrNumber	fieldnum;		/* attribute number of field to extract */
  	Oid			resulttype;		/* type of the field (result type of this
  								 * node) */
  	int32		resulttypmod;	/* output typmod (usually -1) */
--- 497,503 ----
  	Expr		xpr;
  	Expr	   *arg;			/* input expression */
! 	AttrNumber	fieldnum;		/* attribute number of field to extract */ /*XXX*/
  	Oid			resulttype;		/* type of the field (result type of this
  								 * node) */
  	int32		resulttypmod;	/* output typmod (usually -1) */
*** 993,999 ****
  	Expr		xpr;
  	Expr	   *expr;			/* expression to evaluate */
! 	AttrNumber	resno;			/* attribute number (see notes above) */
  	char	   *resname;		/* name of the column (could be NULL) */
  	Index		ressortgroupref;/* nonzero if referenced by a sort/group
  								 * clause */
--- 993,999 ----
  	Expr		xpr;
  	Expr	   *expr;			/* expression to evaluate */
! 	int			resno;			/* attribute number (see notes above) */
  	char	   *resname;		/* name of the column (could be NULL) */
  	Index		ressortgroupref;/* nonzero if referenced by a sort/group
  								 * clause */
Index: src/include/parser/parsetree.h
RCS file: /home/hlinnaka/pgcvsrepository/pgsql/src/include/parser/parsetree.h,v
retrieving revision 1.36
diff -c -r1.36 parsetree.h
*** src/include/parser/parsetree.h	1 Jan 2008 19:45:58 -0000	1.36
--- src/include/parser/parsetree.h	3 Apr 2008 09:36:49 -0000
*** 45,57 ****
   * Given an RTE and an attribute number, return the appropriate
   * variable name or alias for that attribute of that RTE.
! extern char *get_rte_attribute_name(RangeTblEntry *rte, AttrNumber attnum);
   * Given an RTE and an attribute number, return the appropriate
   * type and typemod info for that attribute of that RTE.
! extern void get_rte_attribute_type(RangeTblEntry *rte, AttrNumber attnum,
  					   Oid *vartype, int32 *vartypmod);
--- 45,57 ----
   * Given an RTE and an attribute number, return the appropriate
   * variable name or alias for that attribute of that RTE.
! extern char *get_rte_attribute_name(RangeTblEntry *rte, int attnum);
   * Given an RTE and an attribute number, return the appropriate
   * type and typemod info for that attribute of that RTE.
! extern void get_rte_attribute_type(RangeTblEntry *rte, int attnum,
  					   Oid *vartype, int32 *vartypmod);
*** 59,65 ****
   * get_rte_attribute_type will fail on such an attr)
  extern bool get_rte_attribute_is_dropped(RangeTblEntry *rte,
! 							 AttrNumber attnum);
  /* ----------------
--- 59,65 ----
   * get_rte_attribute_type will fail on such an attr)
  extern bool get_rte_attribute_is_dropped(RangeTblEntry *rte,
! 							 int attnum);
  /* ----------------
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