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#include "pq-mock.h"
#include "pq-connection.h"
#include <compileTimeFormatter.h>
#include <modifycommand.h>
#include <selectcommand.h>
#include <selectcommandUtil.impl.h>
#include <boost/algorithm/string.hpp>
NAMEDFACTORY("postgresql", PQ::Mock, DB::MockDatabaseFactory);
namespace PQ {
Mock::Mock(const std::string & masterdb, const std::string & name, const std::vector<std::filesystem::path> & ss) :
MockServerDatabase(masterdb, name, "postgresql"),
serverVersion(std::static_pointer_cast<Connection>(master)->serverVersion())
{
CreateNewDatabase();
PlaySchemaScripts(ss);
SetTablesToUnlogged();
}
AdHocFormatter(MockConnStr, "user=postgres dbname=%?");
DB::ConnectionPtr
Mock::openConnection() const
{
return std::make_shared<Connection>(MockConnStr::get(boost::algorithm::to_lower_copy(testDbName)));
}
AdHocFormatter(MockSetUnlogged, "ALTER TABLE %?.%? SET UNLOGGED");
void
Mock::SetTablesToUnlogged() const
{
// v9.5 server required for unlogged tables
if (serverVersion < 90500) {
return;
}
auto s = master->select(R"SQL(
SELECT n.nspname, c.relname
FROM pg_class c, pg_namespace n
WHERE c.relkind = 'r'
AND n.nspname not in (?, ?)
AND c.relpersistence = 'p'
AND NOT EXISTS (
SELECT from pg_constraint fk, pg_class ck
WHERE fk.contype = 'f'
AND fk.confrelid = c.oid
AND fk.conrelid = ck.oid
AND ck.oid != c.oid
AND ck.relpersistence = 'p')
AND n.oid = c.relnamespace
ORDER BY 1, 2)SQL");
s->bindParamS(0, "pg_catalog");
s->bindParamS(1, "information_schema");
unsigned int n = 0;
do {
n = 0;
for (const auto [ nspname, relname ] : s->as<std::string, std::string>()) {
master->execute(MockSetUnlogged::get(nspname, relname));
n += 1;
}
} while(n);
}
Mock::~Mock()
{
Mock::DropDatabase();
}
void
Mock::DropDatabase() const
{
auto t = master->modify("SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE LOWER(datname) = LOWER(?)");
t->bindParamS(0, testDbName);
t->execute();
MockServerDatabase::DropDatabase();
}
}
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