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778a21ca94
postgresql/src/include/utils
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Tom Lane 778a21ca94 Tweak portal (cursor) code so that it will not call the executor again 
when user does another FETCH after reaching end of data, or another
FETCH backwards after reaching start.  This is needed because some plan
nodes are not very robust about being called again after they've already
returned NULL; for example, MergeJoin will crash in some states but not
others.  While the ideal approach would be for them all to handle this
correctly, it seems foolish to assume that no such bugs would creep in
again once cleaned up.  Therefore, the most robust answer is to prevent
the situation from arising at all.
2001-02-27 22:07:34 +00:00
..
acl.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
array.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
ascii.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
bit.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
builtins.h Change scoping of table and join refnames to conform to SQL92: a JOIN 2001-02-14 21:35:07 +00:00
cash.h More functions updated to new fmgr style --- money, name, tid datatypes. 2000-08-03 16:35:08 +00:00
catcache.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
date.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
datetime.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
datum.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
dynahash.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
dynamic_loader.h Restructure the key include files per recent pghackers discussion: there 2001-02-10 02:31:31 +00:00
elog.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
exc.h Restructure the key include files per recent pghackers discussion: there 2001-02-10 02:31:31 +00:00
excid.h Out-of-bounds memory allocation request sizes should be treated as just 2001-02-06 01:53:53 +00:00
fcache.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
fmgrtab.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
formatting.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
geo_decls.h Restructure the key include files per recent pghackers discussion: there 2001-02-10 02:31:31 +00:00
guc.h Restructure the key include files per recent pghackers discussion: there 2001-02-10 02:31:31 +00:00
hsearch.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
inet.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
int8.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
inval.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
logtape.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
lsyscache.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
memutils.h Out-of-bounds memory allocation request sizes should be treated as just 2001-02-06 01:53:53 +00:00
nabstime.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
numeric.h Revise aggregate functions per earlier discussions in pghackers. 2000-07-17 03:05:41 +00:00
palloc.h Restructure the key include files per recent pghackers discussion: there 2001-02-10 02:31:31 +00:00
pg_locale.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
pg_lzcompress.h Ye-old pgindent run. Same 4-space tabs. 2000-04-12 17:17:23 +00:00
portal.h Tweak portal (cursor) code so that it will not call the executor again 2001-02-27 22:07:34 +00:00
ps_status.h Clean up #include's. 2000-06-15 03:33:12 +00:00
rel.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
relcache.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
sets.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
syscache.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
temprel.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
timestamp.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
tqual.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
tuplesort.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
tuplestore.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00
varbit.h Change Copyright from PostgreSQL, Inc to PostgreSQL Global Development Group. 2001-01-24 19:43:33 +00:00