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Diffstat (limited to 'src/backend/utils/adt/varlena.c')
| -rw-r--r-- | src/backend/utils/adt/varlena.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/backend/utils/adt/varlena.c b/src/backend/utils/adt/varlena.c index 2480074813d..722b2c722d9 100644 --- a/src/backend/utils/adt/varlena.c +++ b/src/backend/utils/adt/varlena.c @@ -1463,6 +1463,12 @@ check_collation_set(Oid collid) * to allow null-termination for inputs to strcoll(). * Returns an integer less than, equal to, or greater than zero, indicating * whether arg1 is less than, equal to, or greater than arg2. + * + * Note: many functions that depend on this are marked leakproof; therefore, + * avoid reporting the actual contents of the input when throwing errors. + * All errors herein should be things that can't happen except on corrupt + * data, anyway; otherwise we will have trouble with indexing strings that + * would cause them. */ int varstr_cmp(const char *arg1, int len1, const char *arg2, int len2, Oid collid) |