diff options
Diffstat (limited to 'src/backend/commands/explain.c')
-rw-r--r-- | src/backend/commands/explain.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c index de09ded65b9..094e977fb5c 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -14,7 +14,6 @@ #include "postgres.h" #include "access/xact.h" -#include "catalog/pg_collation.h" #include "catalog/pg_type.h" #include "commands/createas.h" #include "commands/defrem.h" @@ -2347,11 +2346,13 @@ show_sortorder_options(StringInfo buf, Node *sortexpr, TYPECACHE_LT_OPR | TYPECACHE_GT_OPR); /* - * Print COLLATE if it's not default. There are some cases where this is - * redundant, eg if expression is a column whose declared collation is - * that collation, but it's hard to distinguish that here. + * Print COLLATE if it's not default for the column's type. There are + * some cases where this is redundant, eg if expression is a column whose + * declared collation is that collation, but it's hard to distinguish that + * here (and arguably, printing COLLATE explicitly is a good idea anyway + * in such cases). */ - if (OidIsValid(collation) && collation != DEFAULT_COLLATION_OID) + if (OidIsValid(collation) && collation != get_typcollation(sortcoltype)) { char *collname = get_collation_name(collation); |