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/*-------------------------------------------------------------------------
*
* Copyright (c) 2004-2008, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgjdbc/org/postgresql/test/jdbc2/CallableStmtTest.java,v 1.23 2008/04/02 17:05:56 jurka Exp $
*
*-------------------------------------------------------------------------
*/
package org.postgresql.test.jdbc2;
import org.postgresql.test.TestUtil;
import java.sql.*;
import junit.framework.TestCase;
/*
* CallableStatement tests.
* @author Paul Bethe
*/
public class CallableStmtTest extends TestCase
{
private Connection con;
public CallableStmtTest (String name)
{
super(name);
}
protected void setUp() throws Exception
{
con = TestUtil.openDB();
TestUtil.createTable(con, "int_table", "id int");
Statement stmt = con.createStatement ();
stmt.execute ("CREATE OR REPLACE FUNCTION testspg__getString (varchar) " +
"RETURNS varchar AS ' DECLARE inString alias for $1; begin " +
"return ''bob''; end; ' LANGUAGE 'plpgsql';");
stmt.execute ("CREATE OR REPLACE FUNCTION testspg__getDouble (float) " +
"RETURNS float AS ' DECLARE inString alias for $1; begin " +
"return 42.42; end; ' LANGUAGE 'plpgsql';");
if (TestUtil.haveMinimumServerVersion(con, "7.3")) {
stmt.execute ("CREATE OR REPLACE FUNCTION testspg__getVoid (float) " +
"RETURNS void AS ' DECLARE inString alias for $1; begin " +
" return; end; ' LANGUAGE 'plpgsql';");
}
stmt.execute ("CREATE OR REPLACE FUNCTION testspg__getInt (int) RETURNS int " +
" AS 'DECLARE inString alias for $1; begin " +
"return 42; end;' LANGUAGE 'plpgsql';");
stmt.execute ("CREATE OR REPLACE FUNCTION testspg__getShort (int2) RETURNS int2 " +
" AS 'DECLARE inString alias for $1; begin " +
"return 42; end;' LANGUAGE 'plpgsql';");
stmt.execute ("CREATE OR REPLACE FUNCTION testspg__getNumeric (numeric) " +
"RETURNS numeric AS ' DECLARE inString alias for $1; " +
"begin return 42; end; ' LANGUAGE 'plpgsql';");
stmt.execute ("CREATE OR REPLACE FUNCTION testspg__getNumericWithoutArg() " +
"RETURNS numeric AS ' " +
"begin return 42; end; ' LANGUAGE 'plpgsql';");
stmt.execute("CREATE OR REPLACE FUNCTION testspg__getarray() RETURNS int[] as 'SELECT ''{1,2}''::int[];' LANGUAGE 'sql'");
stmt.execute("CREATE OR REPLACE FUNCTION testspg__raisenotice() RETURNS int as 'BEGIN RAISE NOTICE ''hello''; RAISE NOTICE ''goodbye''; RETURN 1; END;' LANGUAGE 'plpgsql'");
stmt.execute("CREATE OR REPLACE FUNCTION testspg__insertInt(int) RETURNS int as 'BEGIN INSERT INTO int_table(id) VALUES ($1); RETURN 1; END;' LANGUAGE 'plpgsql'");
stmt.close ();
}
protected void tearDown() throws Exception
{
Statement stmt = con.createStatement ();
TestUtil.dropTable(con, "int_table");
stmt.execute ("drop FUNCTION testspg__getString (varchar);");
stmt.execute ("drop FUNCTION testspg__getDouble (float);");
if (TestUtil.haveMinimumServerVersion(con, "7.3")) {
stmt.execute( "drop FUNCTION testspg__getVoid(float);");
}
stmt.execute ("drop FUNCTION testspg__getInt (int);");
stmt.execute ("drop FUNCTION testspg__getShort(int2)");
stmt.execute ("drop FUNCTION testspg__getNumeric (numeric);");
stmt.execute ("drop FUNCTION testspg__getNumericWithoutArg ();");
stmt.execute ("DROP FUNCTION testspg__getarray();");
stmt.execute ("DROP FUNCTION testspg__raisenotice();");
stmt.execute ("DROP FUNCTION testspg__insertInt(int);");
TestUtil.closeDB(con);
}
final String func = "{ ? = call ";
final String pkgName = "testspg__";
public void testGetUpdateCount() throws SQLException
{
CallableStatement call = con.prepareCall (func + pkgName + "getDouble (?) }");
call.setDouble (2, (double)3.04);
call.registerOutParameter (1, Types.DOUBLE);
call.execute ();
assertEquals(-1, call.getUpdateCount());
assertNull(call.getResultSet());
assertEquals(42.42, call.getDouble(1), 0.00001);
call.close();
// test without an out parameter
call = con.prepareCall( "{ call " + pkgName + "getDouble(?) }");
call.setDouble( 1, (double)3.04 );
call.execute();
assertEquals(-1, call.getUpdateCount());
ResultSet rs = call.getResultSet();
assertNotNull(rs);
assertTrue(rs.next());
assertEquals(42.42, rs.getDouble(1), 0.00001);
assertTrue(!rs.next());
rs.close();
assertEquals(-1, call.getUpdateCount());
assertTrue(!call.getMoreResults());
call.close();
}
public void testGetDouble () throws Throwable
{
CallableStatement call = con.prepareCall (func + pkgName + "getDouble (?) }");
call.setDouble (2, (double)3.04);
call.registerOutParameter (1, Types.DOUBLE);
call.execute ();
assertEquals(42.42, call.getDouble(1), 0.00001);
// test without an out parameter
call = con.prepareCall( "{ call " + pkgName + "getDouble(?) }");
call.setDouble( 1, (double)3.04 );
call.execute();
if (TestUtil.haveMinimumServerVersion(con, "7.3")) {
call = con.prepareCall( "{ call " + pkgName + "getVoid(?) }");
call.setDouble( 1, (double)3.04 );
call.execute();
}
}
public void testGetInt () throws Throwable
{
CallableStatement call = con.prepareCall (func + pkgName + "getInt (?) }");
call.setInt (2, 4);
call.registerOutParameter (1, Types.INTEGER);
call.execute ();
assertEquals(42, call.getInt(1));
}
public void testGetShort () throws Throwable
{
if ( TestUtil.isProtocolVersion(con, 3) )
{
CallableStatement call = con.prepareCall (func + pkgName + "getShort (?) }");
call.setShort (2, (short)4);
call.registerOutParameter (1, Types.SMALLINT);
call.execute ();
assertEquals(42, call.getShort(1));
}
}
public void testGetNumeric () throws Throwable
{
CallableStatement call = con.prepareCall (func + pkgName + "getNumeric (?) }");
call.setBigDecimal (2, new java.math.BigDecimal(4));
call.registerOutParameter (1, Types.NUMERIC);
call.execute ();
assertEquals(new java.math.BigDecimal(42), call.getBigDecimal(1));
}
public void testGetNumericWithoutArg () throws Throwable
{
CallableStatement call = con.prepareCall (func + pkgName + "getNumericWithoutArg () }");
call.registerOutParameter (1, Types.NUMERIC);
call.execute ();
assertEquals(new java.math.BigDecimal(42), call.getBigDecimal(1));
}
public void testGetString () throws Throwable
{
CallableStatement call = con.prepareCall (func + pkgName + "getString (?) }");
call.setString (2, "foo");
call.registerOutParameter (1, Types.VARCHAR);
call.execute ();
assertEquals("bob", call.getString(1));
}
public void testGetArray() throws SQLException
{
CallableStatement call = con.prepareCall(func + pkgName + "getarray()}");
call.registerOutParameter(1, Types.ARRAY);
call.execute();
Array arr = call.getArray(1);
ResultSet rs = arr.getResultSet();
assertTrue(rs.next());
assertEquals(1, rs.getInt(1));
assertTrue(rs.next());
assertEquals(2, rs.getInt(1));
assertTrue(!rs.next());
}
public void testRaiseNotice() throws SQLException
{
CallableStatement call = con.prepareCall(func + pkgName + "raisenotice()}");
call.registerOutParameter(1, Types.INTEGER);
call.execute();
SQLWarning warn = call.getWarnings();
assertNotNull(warn);
assertEquals("hello", warn.getMessage());
warn = warn.getNextWarning();
assertNotNull(warn);
assertEquals("goodbye", warn.getMessage());
assertEquals(1, call.getInt(1));
}
public void testWasNullBeforeFetch() throws SQLException {
CallableStatement cs = con.prepareCall("{? = call lower(?)}");
cs.registerOutParameter(1, Types.VARCHAR);
cs.setString(2, "Hi");
try {
cs.wasNull();
fail("expected exception");
} catch(Exception e) {
assertTrue(e instanceof SQLException);
}
}
public void testFetchBeforeExecute() throws SQLException {
CallableStatement cs = con.prepareCall("{? = call lower(?)}");
cs.registerOutParameter(1, Types.VARCHAR);
cs.setString(2, "Hi");
try {
cs.getString(1);
fail("expected exception");
} catch(Exception e) {
assertTrue(e instanceof SQLException);
}
}
public void testFetchWithNoResults() throws SQLException {
CallableStatement cs = con.prepareCall("{call now()}");
cs.execute();
try {
cs.getObject(1);
fail("expected exception");
} catch(Exception e) {
assertTrue(e instanceof SQLException);
}
}
public void testBadStmt () throws Throwable
{
tryOneBadStmt ("{ ?= " + pkgName + "getString (?) }");
tryOneBadStmt ("{ ?= call getString (?) ");
tryOneBadStmt ("{ = ? call getString (?); }");
}
protected void tryOneBadStmt (String sql) throws SQLException
{
try
{
con.prepareCall (sql);
fail("Bad statement (" + sql + ") was not caught.");
}
catch (SQLException e)
{
}
}
public void testBatchCall() throws SQLException
{
CallableStatement call = con.prepareCall ("{ call " + pkgName + "insertInt(?) }");
call.setInt(1, 1);
call.addBatch();
call.setInt(1, 2);
call.addBatch();
call.setInt(1, 3);
call.addBatch();
call.executeBatch();
call.close();
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery("SELECT id FROM int_table ORDER BY id");
assertTrue(rs.next());
assertEquals(1, rs.getInt(1));
assertTrue(rs.next());
assertEquals(2, rs.getInt(1));
assertTrue(rs.next());
assertEquals(3, rs.getInt(1));
assertTrue(!rs.next());
}
}
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