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Make oidin/oidout produce and consume unsigned representation of Oid,

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rather than just being aliases for int4in/int4out.  Give type Oid a
full set of comparison operators that do proper unsigned comparison,
instead of reusing the int4 comparators.  Since pg_dump is now doing
unsigned comparisons of OIDs, it is now *necessary* that we play by
the rules here.  In fact, given that btoidcmp() has been doing unsigned
comparison for quite some time, it seems likely that we have index-
corruption problems in 7.0 and before once the Oid counter goes past
2G.  Fixing these operators is a necessary step before we can think
about 8-byte Oid, too.
This commit is contained in:
Tom Lane
2000-11-21 03:23:21 +00:00
parent 01f2547c6b
commit 93fcbd140a
7 changed files with 176 additions and 105 deletions
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16
src/include/utils/builtins.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: builtins.h,v 1.141 2000/11/10 20:13:26 tgl Exp $
* $Id: builtins.h,v 1.142 2000/11/21 03:23:20 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -283,22 +283,24 @@ extern Datum int4notin(PG_FUNCTION_ARGS);
extern Datum oidnotin(PG_FUNCTION_ARGS);
/* oid.c */
extern Datum oidvectorin(PG_FUNCTION_ARGS);
extern Datum oidvectorout(PG_FUNCTION_ARGS);
extern Datum oidin(PG_FUNCTION_ARGS);
extern Datum oidout(PG_FUNCTION_ARGS);
extern Datum oideq(PG_FUNCTION_ARGS);
extern Datum oidne(PG_FUNCTION_ARGS);
extern Datum oidlt(PG_FUNCTION_ARGS);
extern Datum oidle(PG_FUNCTION_ARGS);
extern Datum oidge(PG_FUNCTION_ARGS);
extern Datum oidgt(PG_FUNCTION_ARGS);
extern Datum oid_text(PG_FUNCTION_ARGS);
extern Datum text_oid(PG_FUNCTION_ARGS);
extern Datum oidvectorin(PG_FUNCTION_ARGS);
extern Datum oidvectorout(PG_FUNCTION_ARGS);
extern Datum oidvectoreq(PG_FUNCTION_ARGS);
extern Datum oidvectorne(PG_FUNCTION_ARGS);
extern Datum oidvectorlt(PG_FUNCTION_ARGS);
extern Datum oidvectorle(PG_FUNCTION_ARGS);
extern Datum oidvectorge(PG_FUNCTION_ARGS);
extern Datum oidvectorgt(PG_FUNCTION_ARGS);
extern Datum oideqint4(PG_FUNCTION_ARGS);
extern Datum int4eqoid(PG_FUNCTION_ARGS);
extern Datum oid_text(PG_FUNCTION_ARGS);
extern Datum text_oid(PG_FUNCTION_ARGS);
/* regexp.c */
extern Datum nameregexeq(PG_FUNCTION_ARGS);