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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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9
src/backend/commands/policy.c
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@ -500,8 +500,7 @@ RemoveRoleFromObjectPolicy(Oid roleid, Oid classid, Oid policy_id)
memset(isnull, 0, sizeof(isnull));
/* This is the array for the new tuple */
role_ids = construct_array(role_oids, num_roles, OIDOID,
sizeof(Oid), true, TYPALIGN_INT);
role_ids = construct_array_builtin(role_oids, num_roles, OIDOID);
replaces[Anum_pg_policy_polroles - 1] = true;
values[Anum_pg_policy_polroles - 1] = PointerGetDatum(role_ids);
@ -617,8 +616,7 @@ CreatePolicy(CreatePolicyStmt *stmt)
/* Collect role ids */
role_oids = policy_role_list_to_array(stmt->roles, &nitems);
role_ids = construct_array(role_oids, nitems, OIDOID,
sizeof(Oid), true, TYPALIGN_INT);
role_ids = construct_array_builtin(role_oids, nitems, OIDOID);
/* Parse the supplied clause */
qual_pstate = make_parsestate(NULL);
@ -801,8 +799,7 @@ AlterPolicy(AlterPolicyStmt *stmt)
if (stmt->roles != NULL)
{
role_oids = policy_role_list_to_array(stmt->roles, &nitems);
role_ids = construct_array(role_oids, nitems, OIDOID,
sizeof(Oid), true, TYPALIGN_INT);
role_ids = construct_array_builtin(role_oids, nitems, OIDOID);
}
/* Get id of table. Also handles permissions checks. */