diff options
Diffstat (limited to 'src/backend/utils/adt/arrayfuncs.c')
| -rw-r--r-- | src/backend/utils/adt/arrayfuncs.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/backend/utils/adt/arrayfuncs.c b/src/backend/utils/adt/arrayfuncs.c index a7ea7656c75..4c8a739bc43 100644 --- a/src/backend/utils/adt/arrayfuncs.c +++ b/src/backend/utils/adt/arrayfuncs.c @@ -2044,7 +2044,8 @@ array_get_element_expanded(Datum arraydatum, * array bound. * * NOTE: we assume it is OK to scribble on the provided subscript arrays - * lowerIndx[] and upperIndx[]. These are generally just temporaries. + * lowerIndx[] and upperIndx[]; also, these arrays must be of size MAXDIM + * even when nSubscripts is less. These are generally just temporaries. */ Datum array_get_slice(Datum arraydatum, @@ -2772,7 +2773,8 @@ array_set_element_expanded(Datum arraydatum, * (XXX TODO: allow a corresponding behavior for multidimensional arrays) * * NOTE: we assume it is OK to scribble on the provided index arrays - * lowerIndx[] and upperIndx[]. These are generally just temporaries. + * lowerIndx[] and upperIndx[]; also, these arrays must be of size MAXDIM + * even when nSubscripts is less. These are generally just temporaries. * * NOTE: For assignments, we throw an error for silly subscripts etc, * rather than returning a NULL or empty array as the fetch operations do. |