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authorTom Lane <tgl@sss.pgh.pa.us>2011-04-22 17:43:18 -0400
committerTom Lane <tgl@sss.pgh.pa.us>2011-04-22 17:43:18 -0400
commit9e9b9ac7d1860fbb98eb4db17a94ff25524b6447 (patch)
treeb8505f0c0aa817e1611f43d130248fa7bbb2103c /src/backend/parser/parse_target.c
parent0cfdc1c657b7c2aa1e4524f495e84005f750ec02 (diff)
downloadpostgresql-9e9b9ac7d1860fbb98eb4db17a94ff25524b6447.tar.gz
postgresql-9e9b9ac7d1860fbb98eb4db17a94ff25524b6447.zip
Make a code-cleanup pass over the collations patch.
This patch is almost entirely cosmetic --- mostly cleaning up a lot of neglected comments, and fixing code layout problems in places where the patch made lines too long and then pgindent did weird things with that. I did find a bug-of-omission in equalTupleDescs().
Diffstat (limited to 'src/backend/parser/parse_target.c')
-rw-r--r--src/backend/parser/parse_target.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/backend/parser/parse_target.c b/src/backend/parser/parse_target.c
index 3f630147b0f..e6f9e36bbca 100644
--- a/src/backend/parser/parse_target.c
+++ b/src/backend/parser/parse_target.c
@@ -372,7 +372,7 @@ transformAssignedExpr(ParseState *pstate,
Oid type_id; /* type of value provided */
Oid attrtype; /* type of target column */
int32 attrtypmod;
- Oid attrcollation;
+ Oid attrcollation; /* collation of target column */
Relation rd = pstate->p_target_relation;
Assert(rd != NULL);
@@ -388,11 +388,12 @@ transformAssignedExpr(ParseState *pstate,
/*
* If the expression is a DEFAULT placeholder, insert the attribute's
- * type/typmod into it so that exprType will report the right things. (We
- * expect that the eventually substituted default expression will in fact
- * have this type and typmod.) Also, reject trying to update a subfield
- * or array element with DEFAULT, since there can't be any default for
- * portions of a column.
+ * type/typmod/collation into it so that exprType etc will report the
+ * right things. (We expect that the eventually substituted default
+ * expression will in fact have this type and typmod. The collation
+ * likely doesn't matter, but let's set it correctly anyway.) Also,
+ * reject trying to update a subfield or array element with DEFAULT, since
+ * there can't be any default for portions of a column.
*/
if (expr && IsA(expr, SetToDefault))
{