pgLab/pglab/PgDatabaseCatalog.cpp

152 lines
3.2 KiB
C++

#include "PgDatabaseCatalog.h"
#include "PgTypeContainer.h"
#include "PgDatabaseContainer.h"
#include "PgAuthIdContainer.h"
#include "PgClassContainer.h"
#include "Pgsql_Connection.h"
QString getRoleNameFromOid(const PgDatabaseCatalog &cat, Oid oid)
{
QString name;
auto auth_ids = cat.authIds();
if (auth_ids) {
const PgAuthId& auth_id = auth_ids->getByOid(oid);
if (auth_id.valid()) {
name = auth_id.name;
}
}
return name;
}
QString getRoleDisplayString(const PgDatabaseCatalog &cat, Oid oid)
{
QString name = getRoleNameFromOid(cat, oid);
return QString("%1 (%2)").arg(name).arg(oid);
}
QString getNamespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid)
{
//QString name;
// auto c = cat.();
// if (auth_ids) {
// const PgAuthId& auth_id = auth_ids->getByOid(oid);
// if (auth_id.valid()) {
// name = auth_id.name;
// }
// }
//return name;
// TODO load list and lookup name
return QString("ns %1").arg(oid);
}
QString getTablespaceDisplayString(const PgDatabaseCatalog &cat, Oid oid)
{
// TODO load list and lookup name
return QString("ts %1").arg(oid);
}
PgDatabaseCatalog::PgDatabaseCatalog()
{
}
PgDatabaseCatalog::~PgDatabaseCatalog()
{
}
void PgDatabaseCatalog::loadAll(Pgsql::Connection &conn)
{
loadInfo(conn);
loadTypes(conn);
loadDatabases(conn);
loadAuthIds(conn);
loadClasses(conn);
}
void PgDatabaseCatalog::loadInfo(Pgsql::Connection &conn)
{
Pgsql::Result r = conn.query("SHOW server_version_num");
if (r && r.resultStatus() == PGRES_TUPLES_OK)
if (r.rows() == 1)
m_serverVersion << r.get(0, 0);
r = conn.query("SELECT version()");
if (r && r.resultStatus() == PGRES_TUPLES_OK)
if (r.rows() == 1)
m_serverVersionString = r.get(0, 0).asQString();
}
void load(Pgsql::Connection &conn, IPgContainter &pg_cont)
{
std::string q = pg_cont.getLoadQuery();
Pgsql::Result result = conn.query(q.c_str());
if (result && result.resultStatus() == PGRES_TUPLES_OK)
pg_cont.load(result);
else
throw std::runtime_error("Query failed");
}
void PgDatabaseCatalog::loadTypes(Pgsql::Connection &conn)
{
if (!m_types)
m_types = std::make_shared<PgTypeContainer>(shared_from_this());
load(conn, *m_types);
}
void PgDatabaseCatalog::loadDatabases(Pgsql::Connection &conn)
{
if (!m_databases)
m_databases = std::make_shared<PgDatabaseContainer>(shared_from_this());
load(conn, *m_databases);
}
void PgDatabaseCatalog::loadAuthIds(Pgsql::Connection &conn)
{
if (!m_authIds)
m_authIds = std::make_shared<PgAuthIdContainer>(shared_from_this());
load(conn, *m_authIds);
}
void PgDatabaseCatalog::loadClasses(Pgsql::Connection &conn)
{
if (!m_classes)
m_classes = std::make_shared<PgClassContainer>(shared_from_this());
load(conn, *m_classes);
}
const QString& PgDatabaseCatalog::serverVersionString() const
{
return m_serverVersionString;
}
int PgDatabaseCatalog::serverVersion() const
{
return m_serverVersion;
}
std::shared_ptr<const PgTypeContainer> PgDatabaseCatalog::types() const
{
return m_types;
}
std::shared_ptr<const PgDatabaseContainer> PgDatabaseCatalog::databases() const
{
return m_databases;
}
std::shared_ptr<const PgAuthIdContainer> PgDatabaseCatalog::authIds() const
{
return m_authIds;
}
std::shared_ptr<const PgClassContainer> PgDatabaseCatalog::classes() const
{
return m_classes;
}