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-rw-r--r--src/backend/commands/indexcmds.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c
index 9afd10ec4e3..ea3967b7c28 100644
--- a/src/backend/commands/indexcmds.c
+++ b/src/backend/commands/indexcmds.c
@@ -26,6 +26,7 @@
#include "catalog/index.h"
#include "catalog/indexing.h"
#include "catalog/pg_am.h"
+#include "catalog/pg_collation.h"
#include "catalog/pg_constraint.h"
#include "catalog/pg_database.h"
#include "catalog/pg_inherits.h"
@@ -352,10 +353,12 @@ static bool
CompareOpclassOptions(Datum *opts1, Datum *opts2, int natts)
{
int i;
+ FmgrInfo fm;
if (!opts1 && !opts2)
return true;
+ fmgr_info(F_ARRAY_EQ, &fm);
for (i = 0; i < natts; i++)
{
Datum opt1 = opts1 ? opts1[i] : (Datum) 0;
@@ -371,8 +374,12 @@ CompareOpclassOptions(Datum *opts1, Datum *opts2, int natts)
else if (opt2 == (Datum) 0)
return false;
- /* Compare non-NULL text[] datums. */
- if (!DatumGetBool(DirectFunctionCall2(array_eq, opt1, opt2)))
+ /*
+ * Compare non-NULL text[] datums. Use C collation to enforce binary
+ * equivalence of texts, because we don't know anything about the
+ * semantics of opclass options.
+ */
+ if (!DatumGetBool(FunctionCall2Coll(&fm, C_COLLATION_OID, opt1, opt2)))
return false;
}