diff options
Diffstat (limited to 'contrib/btree_gist/btree_numeric.c')
| -rw-r--r-- | contrib/btree_gist/btree_numeric.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/contrib/btree_gist/btree_numeric.c b/contrib/btree_gist/btree_numeric.c index 35e466cdd94..face4e2b3af 100644 --- a/contrib/btree_gist/btree_numeric.c +++ b/contrib/btree_gist/btree_numeric.c @@ -21,6 +21,7 @@ PG_FUNCTION_INFO_V1(gbt_numeric_picksplit); PG_FUNCTION_INFO_V1(gbt_numeric_consistent); PG_FUNCTION_INFO_V1(gbt_numeric_penalty); PG_FUNCTION_INFO_V1(gbt_numeric_same); +PG_FUNCTION_INFO_V1(gbt_numeric_sortsupport); /* define for comparison */ @@ -227,3 +228,31 @@ gbt_numeric_picksplit(PG_FUNCTION_ARGS) &tinfo, fcinfo->flinfo); PG_RETURN_POINTER(v); } + +static int +gbt_numeric_sort_build_cmp(Datum a, Datum b, SortSupport ssup) +{ + return DatumGetInt32(DirectFunctionCall2(numeric_cmp, + PointerGetDatum(a), + PointerGetDatum(b))); +} + +/* + * Sort support routine for fast GiST index build by sorting. + */ +Datum +gbt_numeric_sortsupport(PG_FUNCTION_ARGS) +{ + SortSupport ssup = (SortSupport) PG_GETARG_POINTER(0); + + ssup->comparator = gbt_numeric_sort_build_cmp; + + /* + * Numeric has abbreviation routines in numeric.c, but we don't try to use + * them here. Maybe later. + */ + ssup->abbrev_converter = NULL; + ssup->abbrev_abort = NULL; + ssup->abbrev_full_comparator = NULL; + PG_RETURN_VOID(); +} |