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Assorted examples of expanded type-safer palloc/pg_malloc API

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This adds some uses of the new palloc/pg_malloc variants here and
there as a demonstration and test.  This is kept separate from the
actual API patch, since the latter might be backpatched at some point.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/bb755632-2a43-d523-36f8-a1e7a389a907@enterprisedb.com
This commit is contained in:
Peter Eisentraut
2022-09-12 08:31:56 +02:00
parent 2016055a92
commit 5015e1e1b5
12 changed files with 90 additions and 111 deletions
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6
src/backend/commands/prepare.c
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@@ -98,7 +98,7 @@ PrepareQuery(ParseState *pstate, PrepareStmt *stmt,
int i;
ListCell *l;
argtypes = (Oid *) palloc(nargs * sizeof(Oid));
argtypes = palloc_array(Oid, nargs);
i = 0;
foreach(l, stmt->argtypes)
@@ -698,7 +698,7 @@ pg_prepared_statement(PG_FUNCTION_ARGS)
{
Oid *result_types;
result_types = (Oid *) palloc(result_desc->natts * sizeof(Oid));
result_types = palloc_array(Oid, result_desc->natts);
for (int i = 0; i < result_desc->natts; i++)
result_types[i] = result_desc->attrs[i].atttypid;
values[4] = build_regtype_array(result_types, result_desc->natts);
@@ -732,7 +732,7 @@ build_regtype_array(Oid *param_types, int num_params)
ArrayType *result;
int i;
tmp_ary = (Datum *) palloc(num_params * sizeof(Datum));
tmp_ary = palloc_array(Datum, num_params);
for (i = 0; i < num_params; i++)
tmp_ary[i] = ObjectIdGetDatum(param_types[i]);