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Diffstat (limited to 'src/backend/utils/adt/jsonfuncs.c')
-rw-r--r--src/backend/utils/adt/jsonfuncs.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/backend/utils/adt/jsonfuncs.c b/src/backend/utils/adt/jsonfuncs.c
index 63df1ac6777..73bcdf46b12 100644
--- a/src/backend/utils/adt/jsonfuncs.c
+++ b/src/backend/utils/adt/jsonfuncs.c
@@ -682,9 +682,13 @@ get_array_start(void *state)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("cannot extract field from a non-object")));
- /* initialize array count for this nesting level */
+ /*
+ * initialize array count for this nesting level
+ * Note: the lex_level seen by array_start is one less than that seen by
+ * the elements of the array.
+ */
if (_state->search_type == JSON_SEARCH_PATH &&
- lex_level <= _state->npath)
+ lex_level < _state->npath)
_state->array_level_index[lex_level] = -1;
}