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/*-------------------------------------------------------------------------
*
* Copyright (c) 2005-2008, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgjdbc/org/postgresql/test/jdbc3/ParameterMetaDataTest.java,v 1.5 2008/01/08 06:56:31 jurka Exp $
*
*-------------------------------------------------------------------------
*/
package org.postgresql.test.jdbc3;
import java.sql.*;
import junit.framework.TestCase;
import org.postgresql.test.TestUtil;
public class ParameterMetaDataTest extends TestCase {
private Connection _conn;
public ParameterMetaDataTest(String name) {
super(name);
}
protected void setUp() throws Exception {
_conn = TestUtil.openDB();
TestUtil.createTable(_conn, "parametertest", "a int4, b float8, c text, d point");
}
protected void tearDown() throws SQLException {
TestUtil.dropTable(_conn, "parametertest");
TestUtil.closeDB(_conn);
}
public void testParameterMD() throws SQLException {
if (!TestUtil.isProtocolVersion(_conn, 3))
return;
PreparedStatement pstmt = _conn.prepareStatement("SELECT a FROM parametertest WHERE b = ? AND c = ? AND d >^ ? ");
ParameterMetaData pmd = pstmt.getParameterMetaData();
assertEquals(3, pmd.getParameterCount());
assertEquals(Types.DOUBLE, pmd.getParameterType(1));
assertEquals("float8", pmd.getParameterTypeName(1));
assertEquals("java.lang.Double", pmd.getParameterClassName(1));
assertEquals(Types.VARCHAR, pmd.getParameterType(2));
assertEquals("text", pmd.getParameterTypeName(2));
assertEquals("java.lang.String", pmd.getParameterClassName(2));
assertEquals(Types.OTHER, pmd.getParameterType(3));
assertEquals("point", pmd.getParameterTypeName(3));
assertEquals("org.postgresql.geometric.PGpoint", pmd.getParameterClassName(3));
pstmt.close();
}
public void testFailsOnBadIndex() throws SQLException {
if (!TestUtil.isProtocolVersion(_conn, 3))
return;
PreparedStatement pstmt = _conn.prepareStatement("SELECT a FROM parametertest WHERE b = ? AND c = ?");
ParameterMetaData pmd = pstmt.getParameterMetaData();
try {
pmd.getParameterType(0);
fail("Can't get parameter for index < 1.");
} catch (SQLException sqle) { }
try {
pmd.getParameterType(3);
fail("Can't get parameter for index 3 with only two parameters.");
} catch (SQLException sqle) { }
}
// Make sure we work when mashing two queries into a single statement.
public void testMultiStatement() throws SQLException {
if (!TestUtil.isProtocolVersion(_conn, 3))
return;
PreparedStatement pstmt = _conn.prepareStatement("SELECT a FROM parametertest WHERE b = ? AND c = ? ; SELECT b FROM parametertest WHERE a = ?");
ParameterMetaData pmd = pstmt.getParameterMetaData();
assertEquals(3, pmd.getParameterCount());
assertEquals(Types.DOUBLE, pmd.getParameterType(1));
assertEquals("float8", pmd.getParameterTypeName(1));
assertEquals(Types.VARCHAR, pmd.getParameterType(2));
assertEquals("text", pmd.getParameterTypeName(2));
assertEquals(Types.INTEGER, pmd.getParameterType(3));
assertEquals("int4", pmd.getParameterTypeName(3));
pstmt.close();
}
}
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