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Add btree_gist support for enum types.

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This will allow enums to be used in exclusion constraints.

The code uses the new CallerFInfoFunctionCall infrastructure in fmgr,
and the support for it added to btree_gist in commit 393bb504d7.

Reviewed by Tom Lane and Anastasia Lubennikova

Discussion:  http://postgr.es/m/56EA8A71.8060107@dunslane.net
This commit is contained in:
Andrew Dunstan
2017-03-21 10:19:03 -04:00
parent 65a9138b9b
commit f7946a92b6
10 changed files with 991 additions and 7 deletions
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2
contrib/btree_gist/btree_utils_num.c
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@ -48,6 +48,7 @@ gbt_num_compress(GISTENTRY *entry, const gbtree_ninfo *tinfo)
leaf = &v.i8;
break;
case gbt_t_oid:
case gbt_t_enum:
v.i4 = DatumGetObjectId(entry->key);
leaf = &v.i4;
break;
@ -122,6 +123,7 @@ gbt_num_fetch(GISTENTRY *entry, const gbtree_ninfo *tinfo)
datum = Int64GetDatum(*(int64 *) entry->key);
break;
case gbt_t_oid:
case gbt_t_enum:
datum = ObjectIdGetDatum(*(Oid *) entry->key);
break;
case gbt_t_float4: