Disable metadata pooling

Author: bahusoid

src/NHibernate.Test/TestCase.cs

@@ -316,25 +316,6 @@ protected virtual DebugSessionFactory BuildSessionFactory()
 
 		private void Cleanup()
 		{
-			switch (Sfi?.ConnectionProvider.Driver)
-			{
-				// Clear connection pool for Oracle to avoid problem that was manifested with https://github.com/nhibernate/nhibernate-core/pull/1517:
-				// As it seems Oracle can cache returned types for query for given connection.
-				// So exception can be thrown if two tests execute same query but with different types in result (like for Entity.Id int and Entity.Id Guid)
-				case OracleClientDriver oraSysData:
-				case OracleDataClientDriver oraUnmanaged:
-				case OracleManagedDataClientDriver oraManaged:
-					using (var con = Sfi.ConnectionProvider.GetConnection())
-					using (var cmd = con.CreateCommand())
-					{
-						cmd.CommandText = @"BEGIN DBMS_RESULT_CACHE.FLUSH; END;";
-						cmd.Connection = con;
-						cmd.ExecuteNonQuery();
-					}
-
-					break;
-			}
-
 			Sfi?.Close();
 			_sessionFactory = null;
 			cfg = null;

teamcity.build

@@ -116,15 +116,15 @@
 	<target name="setup-teamcity-oracle">
 		<property name="nhibernate.connection.driver_class"			value="NHibernate.Driver.OracleClientDriver" />
 		<property name="nhibernate.dialect"							value="NHibernate.Dialect.Oracle10gDialect" />
-		<property name="nhibernate.connection.connection_string"	value="User ID=nhibernate;Password=nhibernate;Data Source=XE" />
+		<property name="nhibernate.connection.connection_string"	value="User ID=nhibernate;Password=nhibernate;Data Source=XE;Metadata Pooling=false;Self Tuning=false;" />
 		<property name="NHibernate.Test.IgnoreFail" value="true" />
 		<property name="teamcity.last.result" value="${root.dir}/lib/teamcity/oracle/NHibernate.Test.last-results.xml" />
 	</target>
 
 	<target name="setup-teamcity-oracle32">
 		<property name="nhibernate.connection.driver_class"			value="NHibernate.Driver.OracleDataClientDriver" />
 		<property name="nhibernate.dialect"							value="NHibernate.Dialect.Oracle10gDialect" />
-		<property name="nhibernate.connection.connection_string"	value="User ID=nhibernate;Password=nhibernate;Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))" />
+		<property name="nhibernate.connection.connection_string"	value="User ID=nhibernate;Password=nhibernate;Metadata Pooling=false;Self Tuning=false;Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))" />
 		<!-- Teamcity Oracle test database is configured with a non-Unicode encoding -->
 		<property name="nhibernate.oracle.use_n_prefixed_types_for_unicode" value="true" />
 		<copy todir="${bin.dir}">
@@ -140,7 +140,7 @@
 		<property name="nunit-x64" value="true" />
 		<property name="nhibernate.connection.driver_class"			value="NHibernate.Driver.OracleDataClientDriver" />
 		<property name="nhibernate.dialect"							value="NHibernate.Dialect.Oracle10gDialect" />
-		<property name="nhibernate.connection.connection_string"	value="User ID=nhibernate;Password=nhibernate;Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))" />
+		<property name="nhibernate.connection.connection_string"	value="User ID=nhibernate;Password=nhibernate;Metadata Pooling=false;Self Tuning=false;Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))" />
 		<!-- Teamcity Oracle test database is configured with a non-Unicode encoding -->
 		<property name="nhibernate.oracle.use_n_prefixed_types_for_unicode" value="true" />
 		<copy todir="${bin.dir}">
@@ -155,7 +155,7 @@
 	<target name="setup-teamcity-oracle-managed32">
 		<property name="nhibernate.connection.driver_class"			value="NHibernate.Driver.OracleManagedDataClientDriver" />
 		<property name="nhibernate.dialect"							value="NHibernate.Dialect.Oracle10gDialect" />
-		<property name="nhibernate.connection.connection_string"	value="User ID=nhibernate;Password=nhibernate;Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))" />
+		<property name="nhibernate.connection.connection_string"	value="User ID=nhibernate;Password=nhibernate;Metadata Pooling=false;Self Tuning=false;Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))" />
 		<!-- Teamcity Oracle test database is configured with a non-Unicode encoding -->
 		<property name="nhibernate.oracle.use_n_prefixed_types_for_unicode" value="true" />
 	</target>
@@ -164,7 +164,7 @@
 		<property name="nunit-x64" value="true" />
 		<property name="nhibernate.connection.driver_class"			value="NHibernate.Driver.OracleManagedDataClientDriver" />
 		<property name="nhibernate.dialect"							value="NHibernate.Dialect.Oracle10gDialect" />
-		<property name="nhibernate.connection.connection_string"	value="User ID=nhibernate;Password=nhibernate;Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))" />
+		<property name="nhibernate.connection.connection_string"	value="User ID=nhibernate;Password=nhibernate;Metadata Pooling=false;Self Tuning=false;Data Source=(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE)))" />
 		<!-- Teamcity Oracle test database is configured with a non-Unicode encoding -->
 		<property name="nhibernate.oracle.use_n_prefixed_types_for_unicode" value="true" />
 	</target>