pgLab/pglablib/catalog/PgClassContainer.cpp

#include "PgClassContainer.h"
#include "Pgsql_Connection.h"
#include "Pgsql_Col.h"
#include "PgDatabaseCatalog.h"
#include "PgNamespaceContainer.h"
#include <iterator>

std::string PgClassContainer::getLoadQuery() const
{
    std::string q = "SELECT pg_class.oid, relname, relnamespace, reltype, reloftype, "
		"  relowner, relam, relfilenode, reltablespace, relpages, "
		"  reltuples, reltoastrelid, relisshared, relpersistence, "
		"  relkind, relispopulated, relfrozenxid, relminmxid, "
        "  reloptions, d.description, "
        "  pg_total_relation_size(pg_class.oid) AS total_bytes, "
        "  CASE WHEN relkind='r' THEN pg_indexes_size(pg_class.oid) ELSE 0 END AS index_bytes, "
        "  CASE WHEN relkind='r' THEN pg_total_relation_size(reltoastrelid) ELSE 0 END AS toast_bytes, "
        "  relacl, pg_get_viewdef(pg_class.oid)";

	if (lessThenVersion(120000))
		q += ", relhasoids ";

	q +=
        "\nFROM pg_catalog.pg_class \n"
        "    LEFT JOIN pg_catalog.pg_description AS d ON (objoid=pg_class.oid AND objsubid=0) \n"
		"WHERE relkind IN ('r', 'i', 'p', 'I', 'v', 'm', 'f')";

	return q;
}

PgClass PgClassContainer::loadElem(const Pgsql::Row &row)
{
	Pgsql::Col col(row);
	Oid	class_oid = col.nextValue();
	QString name  = col.nextValue();
	Oid schema_oid = col.nextValue();

	PgClass v(m_catalog, class_oid, name, schema_oid);
	Oid owner ;
	col >> v.type >> v.oftype
		>> owner >> v.am >> v.filenode >> v.tablespace >> v.pages_est
		>> v.tuples_est >> v.toastrelid >> v.isshared >> v.persistence
        >> v.kind >> v.ispopulated >> v.frozenxid >> v.minmxid
        >> v.options >> v.description >> v.totalBytes >> v.indexBytes >> v.toastBytes;


	v.setOwnerOid(owner);

	AclList acl_list;
	col >> acl_list;
	v.setAcls(std::move(acl_list));

	auto vd = col.nextValue();
	if (!vd.null())
		v.viewdef = vd.asQString();

	if (lessThenVersion(120000))
		col >> v.hasoids;

	return v;
}