Function GetOverrideSearchPath

src/backend/catalog/namespace.c:3520–3550

* GetOverrideSearchPath - fetch current search path definition in form * used by PushOverrideSearchPath. * * The result structure is allocated in the specified memory context * (which might or might not be equal to CurrentMemoryContext); but any * junk created by revalidation calculations will be in CurrentMemoryContext. */

 * junk created by revalidation calculations will be in CurrentMemoryContext.
 */
OverrideSearchPath *
GetOverrideSearchPath(MemoryContext context)
{
	OverrideSearchPath *result;
	List	   *schemas;
	MemoryContext oldcxt;

	recomputeNamespacePath();

	oldcxt = MemoryContextSwitchTo(context);

	result = (OverrideSearchPath *) palloc0(sizeof(OverrideSearchPath));
	schemas = list_copy(activeSearchPath);
	while (schemas && linitial_oid(schemas) != activeCreationNamespace)
	{
		if (linitial_oid(schemas) == myTempNamespace)
			result->addTemp = true;
		else
		{
			Assert(linitial_oid(schemas) == PG_CATALOG_NAMESPACE);
			result->addCatalog = true;
		}
		schemas = list_delete_first(schemas);
	}
	result->schemas = schemas;
	result->generation = activePathGeneration;

	MemoryContextSwitchTo(oldcxt);

	return result;
}

/*
 * CopyOverrideSearchPath - copy the specified OverrideSearchPath.