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| author | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2015-03-18 16:01:34 -0300 |
|---|---|---|
| committer | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2015-03-18 16:01:34 -0300 |
| commit | 13dbc7a824b3f905904cab51840d37f31a07a9ef (patch) | |
| tree | 103e2af5c6d16f733fcdab238fd7de276b7beb6b /src/backend/utils/adt/arrayfuncs.c | |
| parent | f9dead5624c63b009fc04229c1e5f660436b747b (diff) | |
| download | postgresql-13dbc7a824b3f905904cab51840d37f31a07a9ef.tar.gz postgresql-13dbc7a824b3f905904cab51840d37f31a07a9ef.zip | |
array_offset() and array_offsets()
These functions return the offset position or positions of a value in an
array.
Author: Pavel Stěhule
Reviewed by: Jim Nasby
Diffstat (limited to 'src/backend/utils/adt/arrayfuncs.c')
| -rw-r--r-- | src/backend/utils/adt/arrayfuncs.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/backend/utils/adt/arrayfuncs.c b/src/backend/utils/adt/arrayfuncs.c index 54979fa6368..9117a5515a9 100644 --- a/src/backend/utils/adt/arrayfuncs.c +++ b/src/backend/utils/adt/arrayfuncs.c @@ -3989,7 +3989,7 @@ arraycontained(PG_FUNCTION_ARGS) * The passed-in array must remain valid for the lifetime of the iterator. */ ArrayIterator -array_create_iterator(ArrayType *arr, int slice_ndim) +array_create_iterator(ArrayType *arr, int slice_ndim, ArrayMetaState *mstate) { ArrayIterator iterator = palloc0(sizeof(ArrayIteratorData)); @@ -4006,10 +4006,20 @@ array_create_iterator(ArrayType *arr, int slice_ndim) iterator->arr = arr; iterator->nullbitmap = ARR_NULLBITMAP(arr); iterator->nitems = ArrayGetNItems(ARR_NDIM(arr), ARR_DIMS(arr)); - get_typlenbyvalalign(ARR_ELEMTYPE(arr), - &iterator->typlen, - &iterator->typbyval, - &iterator->typalign); + + if (mstate != NULL) + { + Assert(mstate->element_type == ARR_ELEMTYPE(arr)); + + iterator->typlen = mstate->typlen; + iterator->typbyval = mstate->typbyval; + iterator->typalign = mstate->typalign; + } + else + get_typlenbyvalalign(ARR_ELEMTYPE(arr), + &iterator->typlen, + &iterator->typbyval, + &iterator->typalign); /* * Remember the slicing parameters. |