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Diffstat (limited to 'src/backend/utils/adt/array_userfuncs.c')
-rw-r--r--src/backend/utils/adt/array_userfuncs.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/utils/adt/array_userfuncs.c b/src/backend/utils/adt/array_userfuncs.c
index e6c1f58ae08..8da3e0ac5b8 100644
--- a/src/backend/utils/adt/array_userfuncs.c
+++ b/src/backend/utils/adt/array_userfuncs.c
@@ -455,7 +455,10 @@ array_cat(PG_FUNCTION_ARGS)
/*
- * used by text_to_array() in varlena.c
+ * create_singleton_array - make a one-element array
+ *
+ * If desired, the caller can ask for it to be higher than one-dimensional.
+ * Caller's fcinfo must be passed in, as we use fn_extra for caching.
*/
ArrayType *
create_singleton_array(FunctionCallInfo fcinfo,