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

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

View File

@ -87,7 +87,7 @@ GetPGArray(PGARRAY * p, AggState *aggstate, bool fAdd)
p = (PGARRAY *) MemoryContextAlloc(aggstate->aggcontext, cb);
p->a.size = cb;
p->a.ndim = 1;
p->a.flags = 0;
p->a.dataoffset = 0; /* we don't support nulls, for now */
p->a.elemtype = INT4OID;
p->items = 0;
p->lower = START_NUM;