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Add construct_array_builtin, deconstruct_array_builtin

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There were many calls to construct_array() and deconstruct_array() for
built-in types, for example, when dealing with system catalog columns.
These all hardcoded the type attributes necessary to pass to these
functions.

To simplify this a bit, add construct_array_builtin(),
deconstruct_array_builtin() as wrappers that centralize this hardcoded
knowledge.  This simplifies many call sites and reduces the amount of
hardcoded stuff that is spread around.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/2914356f-9e5f-8c59-2995-5997fc48bcba%40enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-07-01 10:51:45 +02:00
parent 7c2d6f8d34
commit d746021de1
51 changed files with 284 additions and 298 deletions
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4
src/backend/parser/parse_utilcmd.c
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@ -1642,9 +1642,7 @@ generateClonedIndexStmt(RangeVar *heapRel, Relation source_idx,
elog(ERROR, "null conexclop for constraint %u",
constraintId);
deconstruct_array(DatumGetArrayTypeP(datum),
OIDOID, sizeof(Oid), true, TYPALIGN_INT,
&elems, NULL, &nElems);
deconstruct_array_builtin(DatumGetArrayTypeP(datum), OIDOID, &elems, NULL, &nElems);
for (i = 0; i < nElems; i++)
{