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Make SQL arrays support null elements. This commit fixes the core array

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functionality, but I still need to make another pass looking at places
that incidentally use arrays (such as ACL manipulation) to make sure they
are null-safe.  Contrib needs work too.
I have not changed the behaviors that are still under discussion about
array comparison and what to do with lower bounds.
This commit is contained in:
Tom Lane
2005-11-17 22:14:56 +00:00
parent c859308aba
commit cecb607559
35 changed files with 2149 additions and 950 deletions
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12
src/backend/utils/adt/int.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/int.c,v 1.68 2005/10/15 02:49:28 momjian Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/int.c,v 1.69 2005/11/17 22:14:53 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -133,7 +133,7 @@ buildint2vector(const int2 *int2s, int n)
*/
result->size = Int2VectorSize(n);
result->ndim = 1;
result->flags = 0;
result->dataoffset = 0; /* never any nulls */
result->elemtype = INT2OID;
result->dim1 = n;
result->lbound1 = 0;
@ -171,7 +171,7 @@ int2vectorin(PG_FUNCTION_ARGS)
result->size = Int2VectorSize(n);
result->ndim = 1;
result->flags = 0;
result->dataoffset = 0; /* never any nulls */
result->elemtype = INT2OID;
result->dim1 = n;
result->lbound1 = 0;
@ -220,9 +220,9 @@ int2vectorrecv(PG_FUNCTION_ARGS)
ObjectIdGetDatum(INT2OID),
Int32GetDatum(-1)));
/* sanity checks: int2vector must be 1-D, no nulls */
if (result->ndim != 1 ||
result->flags != 0 ||
result->elemtype != INT2OID)
if (ARR_NDIM(result) != 1 ||
ARR_HASNULL(result) ||
ARR_ELEMTYPE(result) != INT2OID)
ereport(ERROR,
(errcode(ERRCODE_INVALID_BINARY_REPRESENTATION),
errmsg("invalid int2vector data")));