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Added comments on index handler [skip ci]

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This commit is contained in:
Andrew Kane
2022-02-06 15:26:18 -08:00
parent 687ec6d8d7
commit 5aeabc3648
1 changed files with 8 additions and 0 deletions
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8
src/ivfflat.c
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@@ -159,6 +159,11 @@ ivfflatvalidate(Oid opclassoid)
return true; return true;
} }
/*
* Define index handler
*
* See https://www.postgresql.org/docs/current/index-api.html
*/
PG_FUNCTION_INFO_V1(ivfflathandler); PG_FUNCTION_INFO_V1(ivfflathandler);
Datum Datum
ivfflathandler(PG_FUNCTION_ARGS) ivfflathandler(PG_FUNCTION_ARGS)
@@ -193,6 +198,7 @@ ivfflathandler(PG_FUNCTION_ARGS)
#endif #endif
amroutine->amkeytype = InvalidOid; amroutine->amkeytype = InvalidOid;
/* Interface functions */
amroutine->ambuild = ivfflatbuild; amroutine->ambuild = ivfflatbuild;
amroutine->ambuildempty = ivfflatbuildempty; amroutine->ambuildempty = ivfflatbuildempty;
amroutine->aminsert = ivfflatinsert; amroutine->aminsert = ivfflatinsert;
@@ -216,6 +222,8 @@ ivfflathandler(PG_FUNCTION_ARGS)
amroutine->amendscan = ivfflatendscan; amroutine->amendscan = ivfflatendscan;
amroutine->ammarkpos = NULL; amroutine->ammarkpos = NULL;
amroutine->amrestrpos = NULL; amroutine->amrestrpos = NULL;
/* Interface functions to support parallel index scans */
#if PG_VERSION_NUM >= 100000 #if PG_VERSION_NUM >= 100000
amroutine->amestimateparallelscan = NULL; amroutine->amestimateparallelscan = NULL;
amroutine->aminitparallelscan = NULL; amroutine->aminitparallelscan = NULL;