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patch to add support for callable statements to the jdbc driver. The patch was submitted by Paul Bethe pmbethe@yahoo.com

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This commit is contained in:
Barry Lind
2002-06-24 06:16:27 +00:00
parent 33086553c0
commit 12a28d12bb
6 changed files with 396 additions and 42 deletions
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115
src/interfaces/jdbc/org/postgresql/test/jdbc2/CallableStmtTest.java Normal file
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package org.postgresql.test.jdbc2;
import org.postgresql.test.JDBC2Tests;
import junit.framework.TestCase;
import java.io.*;
import java.sql.*;
/*
* 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 = JDBC2Tests.openDB();
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';");
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__getNumeric (numeric) " +
"RETURNS numeric AS ' DECLARE inString alias for $1; " +
"begin return 42; end; ' LANGUAGE 'plpgsql';");
stmt.close ();
}
protected void tearDown() throws Exception
{
Statement stmt = con.createStatement ();
stmt.execute ("drop FUNCTION testspg__getString (varchar);");
stmt.execute ("drop FUNCTION testspg__getDouble (float);");
stmt.execute ("drop FUNCTION testspg__getInt (int);");
stmt.execute ("drop FUNCTION testspg__getNumeric (numeric);");
JDBC2Tests.closeDB(con);
}
final String func = "{ ? = call ";
final String pkgName = "testspg__";
// protected void runTest () throws Throwable {
//testGetString ();
//}
public void testGetDouble () throws Throwable {
// System.out.println ("Testing CallableStmt Types.DOUBLE");
CallableStatement call = con.prepareCall (func + pkgName + "getDouble (?) }");
call.setDouble (2, (double)3.04);
call.registerOutParameter (1, Types.DOUBLE);
call.execute ();
double result = call.getDouble (1);
assertTrue ("correct return from getString ()", result == 42.42);
}
public void testGetInt () throws Throwable {
// System.out.println ("Testing CallableStmt Types.INTEGER");
CallableStatement call = con.prepareCall (func + pkgName + "getInt (?) }");
call.setInt (2, 4);
call.registerOutParameter (1, Types.INTEGER);
call.execute ();
int result = call.getInt (1);
assertTrue ("correct return from getString ()", result == 42);
}
public void testGetNumeric () throws Throwable {
// System.out.println ("Testing CallableStmt Types.NUMERIC");
CallableStatement call = con.prepareCall (func + pkgName + "getNumeric (?) }");
call.setBigDecimal (2, new java.math.BigDecimal(4));
call.registerOutParameter (1, Types.NUMERIC);
call.execute ();
java.math.BigDecimal result = call.getBigDecimal (1);
assertTrue ("correct return from getString ()",
result.equals (new java.math.BigDecimal(42)));
}
public void testGetString () throws Throwable {
// System.out.println ("Testing CallableStmt Types.VARCHAR");
CallableStatement call = con.prepareCall (func + pkgName + "getString (?) }");
call.setString (2, "foo");
call.registerOutParameter (1, Types.VARCHAR);
call.execute ();
String result = call.getString (1);
assertTrue ("correct return from getString ()", result.equals ("bob"));
}
public void testBadStmt () throws Throwable {
tryOneBadStmt ("{ ?= " + pkgName + "getString (?) }");
tryOneBadStmt ("{ ?= call getString (?) ");
tryOneBadStmt ("{ = ? call getString (?); }");
}
protected void tryOneBadStmt (String sql) throws Throwable {
boolean wasCaught = false;
try {
CallableStatement call = con.prepareCall (sql);
} catch (SQLException e) {
wasCaught = true; // good -> this statement was missing something
}
assertTrue ("bad statment ('"+sql+"')was not caught", wasCaught);
}
}