/** * Copyright (C) 2009-2013 FoundationDB, LLC * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.foundationdb.sql.pg; import java.sql.PreparedStatement; import java.sql.Types; import org.junit.Before; import org.junit.Test; import com.foundationdb.sql.jdbc.PGStatement; import com.foundationdb.ais.model.TableName; public class PostgresServerStatementCachePreparedStatementIT extends PostgresServerITBase { private static final String SCHEMA = "test"; private static final String TABLE = "texttable"; private static final TableName TABLE_NAME = new TableName(SCHEMA, TABLE); @Before public void createAndInsert() { createTable(TABLE_NAME, "te varchar(100)"); } @Test public void testSetNull() throws Exception { // valid: fully qualified type to setNull() PreparedStatement pstmt = getConnection().prepareStatement("INSERT INTO texttable (te) VALUES (?)"); if(pstmt instanceof PGStatement) { PGStatement pgp = (PGStatement) pstmt; pgp.setPrepareThreshold(2); } pstmt.setNull(1, Types.VARCHAR); pstmt.executeUpdate(); // valid: fully qualified type to setObject() pstmt.setObject(1, null, Types.VARCHAR); pstmt.executeUpdate(); // valid: setObject() with partial type info and a typed "null object instance" com.foundationdb.sql.jdbc.util.PGobject dummy = new com.foundationdb.sql.jdbc.util.PGobject(); dummy.setType("VARCHAR"); dummy.setValue(null); pstmt.setObject(1, dummy, Types.OTHER); pstmt.executeUpdate(); // setObject() with no type info pstmt.setObject(1, null); pstmt.executeUpdate(); // setObject() with insufficient type info pstmt.setObject(1, null, Types.OTHER); pstmt.executeUpdate(); // setNull() with insufficient type info pstmt.setNull(1, Types.OTHER); pstmt.executeUpdate(); pstmt.close(); } }