/*
  Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/J is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  This program is free software; you can redistribute it and/or modify it under the terms
  of the GNU General Public License as published by the Free Software Foundation; version 2
  of the License.

  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 General Public License for more details.

  You should have received a copy of the GNU General Public License along with this
  program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA

 */

package testsuite.regression.jdbc4;

import java.sql.DatabaseMetaData;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Types;
import java.util.Arrays;
import java.util.List;

import com.mysql.jdbc.ConnectionProperties;
import com.mysql.jdbc.Util;

import testsuite.BaseTestCase;

public class MetaDataRegressionTest extends BaseTestCase {
    /**
     * Creates a new MetaDataRegressionTest.
     * 
     * @param name
     *            the name of the test
     */
    public MetaDataRegressionTest(String name) {
        super(name);
    }

    /**
     * Runs all test cases in this test suite
     * 
     * @param args
     */
    public static void main(String[] args) {
        junit.textui.TestRunner.run(MetaDataRegressionTest.class);
    }

    /**
     * Tests fix for BUG#68307 - getFunctionColumns() returns incorrect "COLUMN_TYPE" information. This is a JDBC4
     * feature.
     * 
     * @throws Exception
     *             if the test fails.
     */
    public void testBug68307() throws Exception {
        createFunction("testBug68307_func", "(func_param_in INT) RETURNS INT DETERMINISTIC RETURN 1");

        createProcedure("testBug68307_proc", "(IN proc_param_in INT, OUT proc_param_out INT, INOUT proc_param_inout INT) SELECT 1");

        // test metadata from MySQL
        DatabaseMetaData testDbMetaData = conn.getMetaData();
        checkFunctionColumnTypeForBug68307("MySQL", testDbMetaData);
        checkProcedureColumnTypeForBug68307("MySQL", testDbMetaData);

        // test metadata from I__S
        Connection connUseIS = getConnectionWithProps("useInformationSchema=true");
        testDbMetaData = connUseIS.getMetaData();
        checkFunctionColumnTypeForBug68307("I__S", testDbMetaData);
        checkProcedureColumnTypeForBug68307("I__S", testDbMetaData);
        connUseIS.close();
    }

    private void checkFunctionColumnTypeForBug68307(String testAgainst, DatabaseMetaData testDbMetaData) throws Exception {
        rs = testDbMetaData.getFunctionColumns(null, null, "testBug68307_%", "%");

        while (rs.next()) {
            String message = testAgainst + ", function <" + rs.getString("FUNCTION_NAME") + "." + rs.getString("COLUMN_NAME") + ">";
            if (rs.getString("COLUMN_NAME") == null || rs.getString("COLUMN_NAME").length() == 0) {
                assertEquals(message, DatabaseMetaData.functionReturn, rs.getShort("COLUMN_TYPE"));
            } else if (rs.getString("COLUMN_NAME").endsWith("_in")) {
                assertEquals(message, DatabaseMetaData.functionColumnIn, rs.getShort("COLUMN_TYPE"));
            } else if (rs.getString("COLUMN_NAME").endsWith("_inout")) {
                assertEquals(message, DatabaseMetaData.functionColumnInOut, rs.getShort("COLUMN_TYPE"));
            } else if (rs.getString("COLUMN_NAME").endsWith("_out")) {
                assertEquals(message, DatabaseMetaData.functionColumnOut, rs.getShort("COLUMN_TYPE"));
            } else {
                fail("Column '" + rs.getString("FUNCTION_NAME") + "." + rs.getString("COLUMN_NAME") + "' not expected within test case.");
            }
        }
    }

    private void checkProcedureColumnTypeForBug68307(String testAgainst, DatabaseMetaData testDbMetaData) throws Exception {
        rs = testDbMetaData.getProcedureColumns(null, null, "testBug68307_%", "%");

        while (rs.next()) {
            String message = testAgainst + ", procedure <" + rs.getString("PROCEDURE_NAME") + "." + rs.getString("COLUMN_NAME") + ">";
            if (rs.getString("COLUMN_NAME") == null || rs.getString("COLUMN_NAME").length() == 0) {
                assertEquals(message, DatabaseMetaData.procedureColumnReturn, rs.getShort("COLUMN_TYPE"));
            } else if (rs.getString("COLUMN_NAME").endsWith("_in")) {
                assertEquals(message, DatabaseMetaData.procedureColumnIn, rs.getShort("COLUMN_TYPE"));
            } else if (rs.getString("COLUMN_NAME").endsWith("_inout")) {
                assertEquals(message, DatabaseMetaData.procedureColumnInOut, rs.getShort("COLUMN_TYPE"));
            } else if (rs.getString("COLUMN_NAME").endsWith("_out")) {
                assertEquals(message, DatabaseMetaData.procedureColumnOut, rs.getShort("COLUMN_TYPE"));
            } else {
                fail("Column '" + rs.getString("FUNCTION_NAME") + "." + rs.getString("COLUMN_NAME") + "' not expected within test case.");
            }
        }
    }

    /**
     * Tests fix for BUG#44451 - getTables does not return resultset with expected columns.
     * 
     * @throws Exception
     *             if the test fails.
     */
    public void testBug44451() throws Exception {
        String methodName;
        List<String> expectedFields;
        String[] testStepDescription = new String[] { "MySQL MetaData", "I__S MetaData" };
        Connection connUseIS = getConnectionWithProps("useInformationSchema=true");
        Connection[] testConnections = new Connection[] { conn, connUseIS };

        methodName = "getClientInfoProperties()";
        expectedFields = Arrays.asList("NAME", "MAX_LEN", "DEFAULT_VALUE", "DESCRIPTION");
        for (int i = 0; i < testStepDescription.length; i++) {
            DatabaseMetaData testDbMetaData = testConnections[i].getMetaData();
            rs = testDbMetaData.getClientInfoProperties();
            checkReturnedColumnsForBug44451(testStepDescription[i], methodName, expectedFields, rs);
            rs.close();
        }

        methodName = "getFunctions()";
        expectedFields = Arrays.asList("FUNCTION_CAT", "FUNCTION_SCHEM", "FUNCTION_NAME", "REMARKS", "FUNCTION_TYPE", "SPECIFIC_NAME");
        for (int i = 0; i < testStepDescription.length; i++) {
            DatabaseMetaData testDbMetaData = testConnections[i].getMetaData();
            rs = testDbMetaData.getFunctions(null, null, "%");
            checkReturnedColumnsForBug44451(testStepDescription[i], methodName, expectedFields, rs);
            rs.close();
        }

        connUseIS.close();
    }

    private void checkReturnedColumnsForBug44451(String stepDescription, String methodName, List<String> expectedFields, ResultSet resultSetToCheck)
            throws Exception {
        ResultSetMetaData rsMetaData = resultSetToCheck.getMetaData();
        int numberOfColumns = rsMetaData.getColumnCount();

        assertEquals(stepDescription + ", wrong column count in method '" + methodName + "'.", expectedFields.size(), numberOfColumns);
        for (int i = 0; i < numberOfColumns; i++) {
            int position = i + 1;
            assertEquals(stepDescription + ", wrong column at position '" + position + "' in method '" + methodName + "'.", expectedFields.get(i),
                    rsMetaData.getColumnName(position));
        }
        rs.close();
    }

    /**
     * Tests fix for BUG#69298 - Different outcome from DatabaseMetaData.getFunctions() when using I__S.
     * 
     * @throws Exception
     *             if the test fails.
     */
    public void testBug69298() throws Exception {
        Connection testConn;

        createFunction("testBug69298_func", "(param_func INT) RETURNS INT COMMENT 'testBug69298_func comment' DETERMINISTIC RETURN 1");
        createProcedure("testBug69298_proc", "(IN param_proc INT) COMMENT 'testBug69298_proc comment' SELECT 1");

        // test with standard connection
        assertFalse("Property useInformationSchema should be false", ((ConnectionProperties) this.conn).getUseInformationSchema());
        assertTrue("Property getProceduresReturnsFunctions should be true", ((ConnectionProperties) this.conn).getGetProceduresReturnsFunctions());
        checkGetFunctionsForBug69298("Std. Connection MetaData", this.conn);
        checkGetFunctionColumnsForBug69298("Std. Connection MetaData", this.conn);
        checkGetProceduresForBug69298("Std. Connection MetaData", this.conn);
        checkGetProcedureColumnsForBug69298("Std. Connection MetaData", this.conn);

        // test with property useInformationSchema=true
        testConn = getConnectionWithProps("useInformationSchema=true");
        assertTrue("Property useInformationSchema should be true", ((ConnectionProperties) testConn).getUseInformationSchema());
        assertTrue("Property getProceduresReturnsFunctions should be true", ((ConnectionProperties) testConn).getGetProceduresReturnsFunctions());
        checkGetFunctionsForBug69298("Prop. useInfoSchema(1) MetaData", testConn);
        checkGetFunctionColumnsForBug69298("Prop. useInfoSchema(1) MetaData", testConn);
        checkGetProceduresForBug69298("Prop. useInfoSchema(1) MetaData", testConn);
        checkGetProcedureColumnsForBug69298("Prop. useInfoSchema(1) MetaData", testConn);
        testConn.close();

        // test with property getProceduresReturnsFunctions=false
        testConn = getConnectionWithProps("getProceduresReturnsFunctions=false");
        assertFalse("Property useInformationSchema should be false", ((ConnectionProperties) testConn).getUseInformationSchema());
        assertFalse("Property getProceduresReturnsFunctions should be false", ((ConnectionProperties) testConn).getGetProceduresReturnsFunctions());
        checkGetFunctionsForBug69298("Prop. getProcRetFunc(0) MetaData", testConn);
        checkGetFunctionColumnsForBug69298("Prop. getProcRetFunc(0) MetaData", testConn);
        checkGetProceduresForBug69298("Prop. getProcRetFunc(0) MetaData", testConn);
        checkGetProcedureColumnsForBug69298("Prop. getProcRetFunc(0) MetaData", testConn);
        testConn.close();

        // test with property useInformationSchema=true & getProceduresReturnsFunctions=false
        testConn = getConnectionWithProps("useInformationSchema=true,getProceduresReturnsFunctions=false");
        assertTrue("Property useInformationSchema should be true", ((ConnectionProperties) testConn).getUseInformationSchema());
        assertFalse("Property getProceduresReturnsFunctions should be false", ((ConnectionProperties) testConn).getGetProceduresReturnsFunctions());
        checkGetFunctionsForBug69298("Prop. useInfoSchema(1) + getProcRetFunc(0) MetaData", testConn);
        checkGetFunctionColumnsForBug69298("Prop. useInfoSchema(1) + getProcRetFunc(0) MetaData", testConn);
        checkGetProceduresForBug69298("Prop. useInfoSchema(1) + getProcRetFunc(0) MetaData", testConn);
        checkGetProcedureColumnsForBug69298("Prop. useInfoSchema(1) + getProcRetFunc(0) MetaData", testConn);
        testConn.close();
    }

    private void checkGetFunctionsForBug69298(String stepDescription, Connection testConn) throws Exception {
        DatabaseMetaData testDbMetaData = testConn.getMetaData();
        ResultSet functionsMD = testDbMetaData.getFunctions(null, null, "testBug69298_%");
        String sd = stepDescription + " getFunctions() ";

        assertTrue(sd + "one row expected.", functionsMD.next());

        // function: testBug69298_func
        assertEquals(sd + "-> FUNCTION_CAT", testConn.getCatalog(), functionsMD.getString("FUNCTION_CAT"));
        assertEquals(sd + "-> FUNCTION_SCHEM", null, functionsMD.getString("FUNCTION_SCHEM"));
        assertEquals(sd + "-> FUNCTION_NAME", "testBug69298_func", functionsMD.getString("FUNCTION_NAME"));
        assertEquals(sd + "-> REMARKS", "testBug69298_func comment", functionsMD.getString("REMARKS"));
        assertEquals(sd + "-> FUNCTION_TYPE", DatabaseMetaData.functionNoTable, functionsMD.getShort("FUNCTION_TYPE"));
        assertEquals(sd + "-> SPECIFIC_NAME", "testBug69298_func", functionsMD.getString("SPECIFIC_NAME"));

        assertFalse(stepDescription + "no more rows expected.", functionsMD.next());
    }

    private void checkGetFunctionColumnsForBug69298(String stepDescription, Connection testConn) throws Exception {
        DatabaseMetaData testDbMetaData = testConn.getMetaData();
        ResultSet funcColsMD = testDbMetaData.getFunctionColumns(null, null, "testBug69298_%", "%");
        String sd = stepDescription + " getFunctionColumns() ";

        assertTrue(sd + "1st of 2 rows expected.", funcColsMD.next());

        // function column: testBug69298_func return
        assertEquals(sd + "-> FUNCTION_CAT", testConn.getCatalog(), funcColsMD.getString("FUNCTION_CAT"));
        assertEquals(sd + "-> FUNCTION_SCHEM", null, funcColsMD.getString("FUNCTION_SCHEM"));
        assertEquals(sd + "-> FUNCTION_NAME", "testBug69298_func", funcColsMD.getString("FUNCTION_NAME"));
        assertEquals(sd + "-> COLUMN_NAME", "", funcColsMD.getString("COLUMN_NAME"));
        assertEquals(sd + "-> COLUMN_TYPE", DatabaseMetaData.functionReturn, funcColsMD.getShort("COLUMN_TYPE"));
        assertEquals(sd + "-> DATA_TYPE", Types.INTEGER, funcColsMD.getInt("DATA_TYPE"));
        assertEquals(sd + "-> TYPE_NAME", "INT", funcColsMD.getString("TYPE_NAME"));
        assertEquals(sd + "-> PRECISION", 10, funcColsMD.getInt("PRECISION"));
        assertEquals(sd + "-> LENGTH", 10, funcColsMD.getInt("LENGTH"));
        assertEquals(sd + "-> SCALE", 0, funcColsMD.getShort("SCALE"));
        assertEquals(sd + "-> RADIX", 10, funcColsMD.getShort("RADIX"));
        assertEquals(sd + "-> NULLABLE", DatabaseMetaData.functionNullable, funcColsMD.getShort("NULLABLE"));
        assertEquals(sd + "-> REMARKS", null, funcColsMD.getString("REMARKS"));
        assertEquals(sd + "-> CHAR_OCTET_LENGTH", 0, funcColsMD.getInt("CHAR_OCTET_LENGTH"));
        assertEquals(sd + "-> ORDINAL_POSITION", 0, funcColsMD.getInt("ORDINAL_POSITION"));
        assertEquals(sd + "-> IS_NULLABLE", "YES", funcColsMD.getString("IS_NULLABLE"));
        assertEquals(sd + "-> SPECIFIC_NAME", "testBug69298_func", funcColsMD.getString("SPECIFIC_NAME"));

        assertTrue(sd + "2nd of 2 rows expected.", funcColsMD.next());

        // function column: testBug69298_func.param_func
        assertEquals(sd + "-> FUNCTION_CAT", testConn.getCatalog(), funcColsMD.getString("FUNCTION_CAT"));
        assertEquals(sd + "-> FUNCTION_SCHEM", null, funcColsMD.getString("FUNCTION_SCHEM"));
        assertEquals(sd + "-> FUNCTION_NAME", "testBug69298_func", funcColsMD.getString("FUNCTION_NAME"));
        assertEquals(sd + "-> COLUMN_NAME", "param_func", funcColsMD.getString("COLUMN_NAME"));
        assertEquals(sd + "-> COLUMN_TYPE", DatabaseMetaData.functionColumnIn, funcColsMD.getShort("COLUMN_TYPE"));
        assertEquals(sd + "-> DATA_TYPE", Types.INTEGER, funcColsMD.getInt("DATA_TYPE"));
        assertEquals(sd + "-> TYPE_NAME", "INT", funcColsMD.getString("TYPE_NAME"));
        assertEquals(sd + "-> PRECISION", 10, funcColsMD.getInt("PRECISION"));
        assertEquals(sd + "-> LENGTH", 10, funcColsMD.getInt("LENGTH"));
        assertEquals(sd + "-> SCALE", 0, funcColsMD.getShort("SCALE"));
        assertEquals(sd + "-> RADIX", 10, funcColsMD.getShort("RADIX"));
        assertEquals(sd + "-> NULLABLE", DatabaseMetaData.functionNullable, funcColsMD.getShort("NULLABLE"));
        assertEquals(sd + "-> REMARKS", null, funcColsMD.getString("REMARKS"));
        assertEquals(sd + "-> CHAR_OCTET_LENGTH", 0, funcColsMD.getInt("CHAR_OCTET_LENGTH"));
        assertEquals(sd + "-> ORDINAL_POSITION", 1, funcColsMD.getInt("ORDINAL_POSITION"));
        assertEquals(sd + "-> IS_NULLABLE", "YES", funcColsMD.getString("IS_NULLABLE"));
        assertEquals(sd + "-> SPECIFIC_NAME", "testBug69298_func", funcColsMD.getString("SPECIFIC_NAME"));

        assertFalse(sd + "no more rows expected.", funcColsMD.next());
    }

    private void checkGetProceduresForBug69298(String stepDescription, Connection testConn) throws Exception {
        DatabaseMetaData testDbMetaData = testConn.getMetaData();
        ResultSet proceduresMD = testDbMetaData.getProcedures(null, null, "testBug69298_%");
        String sd = stepDescription + " getProcedures() ";
        boolean isGetProceduresReturnsFunctions = ((ConnectionProperties) testConn).getGetProceduresReturnsFunctions();

        if (isGetProceduresReturnsFunctions) {
            assertTrue(sd + "1st of 2 rows expected.", proceduresMD.next());

            // function: testBug69298_func
            assertEquals(sd + "-> PROCEDURE_CAT", testConn.getCatalog(), proceduresMD.getString("PROCEDURE_CAT"));
            assertEquals(sd + "-> PROCEDURE_SCHEM", null, proceduresMD.getString("PROCEDURE_SCHEM"));
            assertEquals(sd + "-> PROCEDURE_NAME", "testBug69298_func", proceduresMD.getString("PROCEDURE_NAME"));
            assertEquals(sd + "-> REMARKS", "testBug69298_func comment", proceduresMD.getString("REMARKS"));
            assertEquals(sd + "-> PROCEDURE_TYPE", DatabaseMetaData.procedureReturnsResult, proceduresMD.getShort("PROCEDURE_TYPE"));
            assertEquals(sd + "-> SPECIFIC_NAME", "testBug69298_func", proceduresMD.getString("SPECIFIC_NAME"));

            assertTrue(sd + "2nd of 2 rows expected.", proceduresMD.next());
        } else {
            assertTrue(sd + "one row expected.", proceduresMD.next());
        }

        // procedure: testBug69298_proc
        assertEquals(sd + "-> PROCEDURE_CAT", testConn.getCatalog(), proceduresMD.getString("PROCEDURE_CAT"));
        assertEquals(sd + "-> PROCEDURE_SCHEM", null, proceduresMD.getString("PROCEDURE_SCHEM"));
        assertEquals(sd + "-> PROCEDURE_NAME", "testBug69298_proc", proceduresMD.getString("PROCEDURE_NAME"));
        assertEquals(sd + "-> REMARKS", "testBug69298_proc comment", proceduresMD.getString("REMARKS"));
        assertEquals(sd + "-> PROCEDURE_TYPE", DatabaseMetaData.procedureNoResult, proceduresMD.getShort("PROCEDURE_TYPE"));
        assertEquals(sd + "-> SPECIFIC_NAME", "testBug69298_proc", proceduresMD.getString("SPECIFIC_NAME"));

        assertFalse(stepDescription + "no more rows expected.", proceduresMD.next());
    }

    private void checkGetProcedureColumnsForBug69298(String stepDescription, Connection testConn) throws Exception {
        DatabaseMetaData testDbMetaData = testConn.getMetaData();
        ResultSet procColsMD = testDbMetaData.getProcedureColumns(null, null, "testBug69298_%", "%");
        String sd = stepDescription + " getProcedureColumns() ";
        boolean isGetProceduresReturnsFunctions = ((ConnectionProperties) testConn).getGetProceduresReturnsFunctions();

        if (isGetProceduresReturnsFunctions) {
            assertTrue(sd + "1st of 3 rows expected.", procColsMD.next());

            // function column: testBug69298_func return
            assertEquals(sd + "-> PROCEDURE_CAT", testConn.getCatalog(), procColsMD.getString("PROCEDURE_CAT"));
            assertEquals(sd + "-> PROCEDURE_SCHEM", null, procColsMD.getString("PROCEDURE_SCHEM"));
            assertEquals(sd + "-> PROCEDURE_NAME", "testBug69298_func", procColsMD.getString("PROCEDURE_NAME"));
            assertEquals(sd + "-> COLUMN_NAME", "", procColsMD.getString("COLUMN_NAME"));
            assertEquals(sd + "-> COLUMN_TYPE", DatabaseMetaData.procedureColumnReturn, procColsMD.getShort("COLUMN_TYPE"));
            assertEquals(sd + "-> DATA_TYPE", Types.INTEGER, procColsMD.getInt("DATA_TYPE"));
            assertEquals(sd + "-> TYPE_NAME", "INT", procColsMD.getString("TYPE_NAME"));
            assertEquals(sd + "-> PRECISION", 10, procColsMD.getInt("PRECISION"));
            assertEquals(sd + "-> LENGTH", 10, procColsMD.getInt("LENGTH"));
            assertEquals(sd + "-> SCALE", 0, procColsMD.getShort("SCALE"));
            assertEquals(sd + "-> RADIX", 10, procColsMD.getShort("RADIX"));
            assertEquals(sd + "-> NULLABLE", DatabaseMetaData.procedureNullable, procColsMD.getShort("NULLABLE"));
            assertEquals(sd + "-> REMARKS", null, procColsMD.getString("REMARKS"));
            assertEquals(sd + "-> COLUMN_DEF", null, procColsMD.getString("COLUMN_DEF"));
            assertEquals(sd + "-> SQL_DATA_TYPE", 0, procColsMD.getInt("SQL_DATA_TYPE"));
            assertEquals(sd + "-> SQL_DATETIME_SUB", 0, procColsMD.getInt("SQL_DATETIME_SUB"));
            assertEquals(sd + "-> CHAR_OCTET_LENGTH", 0, procColsMD.getInt("CHAR_OCTET_LENGTH"));
            assertEquals(sd + "-> ORDINAL_POSITION", 0, procColsMD.getInt("ORDINAL_POSITION"));
            assertEquals(sd + "-> IS_NULLABLE", "YES", procColsMD.getString("IS_NULLABLE"));
            assertEquals(sd + "-> SPECIFIC_NAME", "testBug69298_func", procColsMD.getString("SPECIFIC_NAME"));

            assertTrue(sd + "2nd of 3 rows expected.", procColsMD.next());

            // function column: testBug69298_func.param_func
            assertEquals(sd + "-> PROCEDURE_CAT", testConn.getCatalog(), procColsMD.getString("PROCEDURE_CAT"));
            assertEquals(sd + "-> PROCEDURE_SCHEM", null, procColsMD.getString("PROCEDURE_SCHEM"));
            assertEquals(sd + "-> PROCEDURE_NAME", "testBug69298_func", procColsMD.getString("PROCEDURE_NAME"));
            assertEquals(sd + "-> COLUMN_NAME", "param_func", procColsMD.getString("COLUMN_NAME"));
            assertEquals(sd + "-> COLUMN_TYPE", DatabaseMetaData.procedureColumnIn, procColsMD.getShort("COLUMN_TYPE"));
            assertEquals(sd + "-> DATA_TYPE", Types.INTEGER, procColsMD.getInt("DATA_TYPE"));
            assertEquals(sd + "-> TYPE_NAME", "INT", procColsMD.getString("TYPE_NAME"));
            assertEquals(sd + "-> PRECISION", 10, procColsMD.getInt("PRECISION"));
            assertEquals(sd + "-> LENGTH", 10, procColsMD.getInt("LENGTH"));
            assertEquals(sd + "-> SCALE", 0, procColsMD.getShort("SCALE"));
            assertEquals(sd + "-> RADIX", 10, procColsMD.getShort("RADIX"));
            assertEquals(sd + "-> NULLABLE", DatabaseMetaData.procedureNullable, procColsMD.getShort("NULLABLE"));
            assertEquals(sd + "-> REMARKS", null, procColsMD.getString("REMARKS"));
            assertEquals(sd + "-> COLUMN_DEF", null, procColsMD.getString("COLUMN_DEF"));
            assertEquals(sd + "-> SQL_DATA_TYPE", 0, procColsMD.getInt("SQL_DATA_TYPE"));
            assertEquals(sd + "-> SQL_DATETIME_SUB", 0, procColsMD.getInt("SQL_DATETIME_SUB"));
            assertEquals(sd + "-> CHAR_OCTET_LENGTH", 0, procColsMD.getInt("CHAR_OCTET_LENGTH"));
            assertEquals(sd + "-> ORDINAL_POSITION", 1, procColsMD.getInt("ORDINAL_POSITION"));
            assertEquals(sd + "-> IS_NULLABLE", "YES", procColsMD.getString("IS_NULLABLE"));
            assertEquals(sd + "-> SPECIFIC_NAME", "testBug69298_func", procColsMD.getString("SPECIFIC_NAME"));

            assertTrue(sd + "3rd of 3 rows expected.", procColsMD.next());
        } else {
            assertTrue(sd + "one row expected.", procColsMD.next());
        }

        // procedure column: testBug69298_proc.param_proc
        assertEquals(sd + "-> PROCEDURE_CAT", testConn.getCatalog(), procColsMD.getString("PROCEDURE_CAT"));
        assertEquals(sd + "-> PROCEDURE_SCHEM", null, procColsMD.getString("PROCEDURE_SCHEM"));
        assertEquals(sd + "-> PROCEDURE_NAME", "testBug69298_proc", procColsMD.getString("PROCEDURE_NAME"));
        assertEquals(sd + "-> COLUMN_NAME", "param_proc", procColsMD.getString("COLUMN_NAME"));
        assertEquals(sd + "-> COLUMN_TYPE", DatabaseMetaData.procedureColumnIn, procColsMD.getShort("COLUMN_TYPE"));
        assertEquals(sd + "-> DATA_TYPE", Types.INTEGER, procColsMD.getInt("DATA_TYPE"));
        assertEquals(sd + "-> TYPE_NAME", "INT", procColsMD.getString("TYPE_NAME"));
        assertEquals(sd + "-> PRECISION", 10, procColsMD.getInt("PRECISION"));
        assertEquals(sd + "-> LENGTH", 10, procColsMD.getInt("LENGTH"));
        assertEquals(sd + "-> SCALE", 0, procColsMD.getShort("SCALE"));
        assertEquals(sd + "-> RADIX", 10, procColsMD.getShort("RADIX"));
        assertEquals(sd + "-> NULLABLE", DatabaseMetaData.procedureNullable, procColsMD.getShort("NULLABLE"));
        assertEquals(sd + "-> REMARKS", null, procColsMD.getString("REMARKS"));
        assertEquals(sd + "-> COLUMN_DEF", null, procColsMD.getString("COLUMN_DEF"));
        assertEquals(sd + "-> SQL_DATA_TYPE", 0, procColsMD.getInt("SQL_DATA_TYPE"));
        assertEquals(sd + "-> SQL_DATETIME_SUB", 0, procColsMD.getInt("SQL_DATETIME_SUB"));
        assertEquals(sd + "-> CHAR_OCTET_LENGTH", 0, procColsMD.getInt("CHAR_OCTET_LENGTH"));
        assertEquals(sd + "-> ORDINAL_POSITION", 1, procColsMD.getInt("ORDINAL_POSITION"));
        assertEquals(sd + "-> IS_NULLABLE", "YES", procColsMD.getString("IS_NULLABLE"));
        assertEquals(sd + "-> SPECIFIC_NAME", "testBug69298_proc", procColsMD.getString("SPECIFIC_NAME"));

        assertFalse(sd + "no more rows expected.", procColsMD.next());
    }

    /**
     * Tests fix for BUG#17248345 - GETFUNCTIONCOLUMNS() METHOD RETURNS COLUMNS OF PROCEDURE. (this happens when
     * functions and procedures have a common name)
     * 
     * @throws Exception
     *             if the test fails.
     */
    public void testBug17248345() throws Exception {
        Connection testConn;

        // create one stored procedure and one function with same name
        createProcedure("testBug17248345", "(IN proccol INT) SELECT 1");
        createFunction("testBug17248345", "(funccol INT) RETURNS INT DETERMINISTIC RETURN 1");

        // test with standard connection (getProceduresReturnsFunctions=true & useInformationSchema=false)
        assertFalse("Property useInformationSchema should be false", ((ConnectionProperties) this.conn).getUseInformationSchema());
        assertTrue("Property getProceduresReturnsFunctions should be true", ((ConnectionProperties) this.conn).getGetProceduresReturnsFunctions());
        checkMetaDataInfoForBug17248345(this.conn);

        // test with property useInformationSchema=true (getProceduresReturnsFunctions=true)
        testConn = getConnectionWithProps("useInformationSchema=true");
        assertTrue("Property useInformationSchema should be true", ((ConnectionProperties) testConn).getUseInformationSchema());
        assertTrue("Property getProceduresReturnsFunctions should be true", ((ConnectionProperties) testConn).getGetProceduresReturnsFunctions());
        checkMetaDataInfoForBug17248345(testConn);
        testConn.close();

        // test with property getProceduresReturnsFunctions=false (useInformationSchema=false)
        testConn = getConnectionWithProps("getProceduresReturnsFunctions=false");
        assertFalse("Property useInformationSchema should be false", ((ConnectionProperties) testConn).getUseInformationSchema());
        assertFalse("Property getProceduresReturnsFunctions should be false", ((ConnectionProperties) testConn).getGetProceduresReturnsFunctions());
        checkMetaDataInfoForBug17248345(testConn);
        testConn.close();

        // test with property useInformationSchema=true & getProceduresReturnsFunctions=false
        testConn = getConnectionWithProps("useInformationSchema=true,getProceduresReturnsFunctions=false");
        assertTrue("Property useInformationSchema should be true", ((ConnectionProperties) testConn).getUseInformationSchema());
        assertFalse("Property getProceduresReturnsFunctions should be false", ((ConnectionProperties) testConn).getGetProceduresReturnsFunctions());
        checkMetaDataInfoForBug17248345(testConn);
        testConn.close();
    }

    private void checkMetaDataInfoForBug17248345(Connection testConn) throws Exception {
        DatabaseMetaData testDbMetaData = testConn.getMetaData();
        ResultSet rsMD;
        boolean useInfoSchema = ((ConnectionProperties) testConn).getUseInformationSchema();
        boolean getProcRetFunc = ((ConnectionProperties) testConn).getGetProceduresReturnsFunctions();
        String stepDescription = "Prop. useInfoSchema(" + (useInfoSchema ? 1 : 0) + ") + getProcRetFunc(" + (getProcRetFunc ? 1 : 0) + "):";
        String sd;

        // getFunctions() must return 1 record.
        sd = stepDescription + " getFunctions() ";
        rsMD = testDbMetaData.getFunctions(null, null, "testBug17248345");
        assertTrue(sd + "one row expected.", rsMD.next());
        assertEquals(sd + " -> FUNCTION_NAME", "testBug17248345", rsMD.getString("FUNCTION_NAME"));
        assertFalse(sd + "no more rows expected.", rsMD.next());

        // getFunctionColumns() must return 2 records (func return + func param).
        sd = stepDescription + " getFunctionColumns() ";
        rsMD = testDbMetaData.getFunctionColumns(null, null, "testBug17248345", "%");
        assertTrue(sd + "1st of 2 rows expected.", rsMD.next());
        assertEquals(sd + " -> FUNCTION_NAME", "testBug17248345", rsMD.getString("FUNCTION_NAME"));
        assertEquals(sd + " -> COLUMN_NAME", "", rsMD.getString("COLUMN_NAME"));
        assertTrue(sd + "2nd of 2 rows expected.", rsMD.next());
        assertEquals(sd + " -> FUNCTION_NAME", "testBug17248345", rsMD.getString("FUNCTION_NAME"));
        assertEquals(sd + " -> COLUMN_NAME", "funccol", rsMD.getString("COLUMN_NAME"));
        assertFalse(sd + "no more rows expected.", rsMD.next());

        // getProcedures() must return 1 or 2 records, depending on if getProceduresReturnsFunctions is false or true
        // respectively. When exists a procedure and a function with same name, function is returned first.
        sd = stepDescription + " getProcedures() ";
        rsMD = testDbMetaData.getProcedures(null, null, "testBug17248345");
        if (getProcRetFunc) {
            assertTrue(sd + "1st of 2 rows expected.", rsMD.next());
            assertEquals(sd + " -> PROCEDURE_NAME", "testBug17248345", rsMD.getString("PROCEDURE_NAME"));
            assertTrue(sd + "2nd of 2 rows expected.", rsMD.next());
        } else {
            assertTrue(sd + "one row expected.", rsMD.next());
        }
        assertEquals(sd + " -> PROCEDURE_NAME", "testBug17248345", rsMD.getString("PROCEDURE_NAME"));
        assertFalse(sd + "no more rows expected.", rsMD.next());

        // getProcedureColumns() must return 1 or 3 records, depending on if getProceduresReturnsFunctions is false or
        // true respectively. When exists a procedure and a function with same name, function is returned first.
        sd = stepDescription + " getProcedureColumns() ";
        rsMD = testDbMetaData.getProcedureColumns(null, null, "testBug17248345", "%");
        if (getProcRetFunc) {
            assertTrue(sd + "1st of 3 rows expected.", rsMD.next());
            assertEquals(sd + " -> PROCEDURE_NAME", "testBug17248345", rsMD.getString("PROCEDURE_NAME"));
            assertEquals(sd + " -> COLUMN_NAME", "", rsMD.getString("COLUMN_NAME"));
            assertTrue(sd + "2nd of 3 rows expected.", rsMD.next());
            assertEquals(sd + " -> PROCEDURE_NAME", "testBug17248345", rsMD.getString("PROCEDURE_NAME"));
            assertEquals(sd + " -> COLUMN_NAME", "funccol", rsMD.getString("COLUMN_NAME"));
            assertTrue(sd + "3rd of 3 rows expected.", rsMD.next());
        } else {
            assertTrue(sd + "one row expected.", rsMD.next());
        }
        assertEquals(sd + " -> PROCEDURE_NAME", "testBug17248345", rsMD.getString("PROCEDURE_NAME"));
        assertEquals(sd + " -> COLUMN_NAME", "proccol", rsMD.getString("COLUMN_NAME"));
        assertFalse(sd + "no more rows expected.", rsMD.next());
    }

    /*
     * Tests DatabaseMetaData.getSQLKeywords().
     * (Related to BUG#70701 - DatabaseMetaData.getSQLKeywords() doesn't match MySQL 5.6 reserved words)
     * 
     * The keywords list that this method returns depends on JDBC version.
     * 
     * @throws Exception if the test fails.
     */
    public void testReservedWords() throws Exception {
        final String mysqlKeywords = "ACCESSIBLE,ADD,ANALYZE,ASC,BEFORE,CASCADE,CHANGE,CONTINUE,DATABASE,DATABASES,DAY_HOUR,DAY_MICROSECOND,DAY_MINUTE,"
                + "DAY_SECOND,DELAYED,DESC,DISTINCTROW,DIV,DUAL,ELSEIF,ENCLOSED,ESCAPED,EXIT,EXPLAIN,FLOAT4,FLOAT8,FORCE,FULLTEXT,GENERATED,HIGH_PRIORITY,"
                + "HOUR_MICROSECOND,HOUR_MINUTE,HOUR_SECOND,IF,IGNORE,INDEX,INFILE,INT1,INT2,INT3,INT4,INT8,IO_AFTER_GTIDS,IO_BEFORE_GTIDS,ITERATE,KEY,KEYS,"
                + "KILL,LEAVE,LIMIT,LINEAR,LINES,LOAD,LOCK,LONG,LONGBLOB,LONGTEXT,LOOP,LOW_PRIORITY,MASTER_BIND,MASTER_SSL_VERIFY_SERVER_CERT,MAXVALUE,"
                + "MEDIUMBLOB,MEDIUMINT,MEDIUMTEXT,MIDDLEINT,MINUTE_MICROSECOND,MINUTE_SECOND,NO_WRITE_TO_BINLOG,OPTIMIZE,OPTIMIZER_COSTS,OPTION,OPTIONALLY,"
                + "OUTFILE,PURGE,READ,READ_WRITE,REGEXP,RENAME,REPEAT,REPLACE,REQUIRE,RESIGNAL,RESTRICT,RLIKE,SCHEMA,SCHEMAS,SECOND_MICROSECOND,SEPARATOR,SHOW,"
                + "SIGNAL,SPATIAL,SQL_BIG_RESULT,SQL_CALC_FOUND_ROWS,SQL_SMALL_RESULT,SSL,STARTING,STORED,STRAIGHT_JOIN,TERMINATED,TINYBLOB,TINYINT,TINYTEXT,"
                + "UNDO,UNLOCK,UNSIGNED,USAGE,USE,UTC_DATE,UTC_TIME,UTC_TIMESTAMP,VARBINARY,VARCHARACTER,VIRTUAL,WHILE,WRITE,XOR,YEAR_MONTH,ZEROFILL";
        assertEquals("MySQL keywords don't match expected.", mysqlKeywords, this.conn.getMetaData().getSQLKeywords());
    }

    /**
     * Tests fix for BUG#20504139 - GETFUNCTIONCOLUMNS() AND GETPROCEDURECOLUMNS() RETURNS ERROR FOR VALID INPUTS.
     * 
     * Test duplicated in testsuite.regression.MetaDataRegressionTest.
     * 
     * @throws Exception
     *             if the test fails.
     */
    public void testBug20504139() throws Exception {
        createFunction("testBug20504139f", "(namef CHAR(20)) RETURNS CHAR(50) DETERMINISTIC RETURN CONCAT('Hello, ', namef, '!')");
        createFunction("`testBug20504139``f`", "(namef CHAR(20)) RETURNS CHAR(50) DETERMINISTIC RETURN CONCAT('Hello, ', namef, '!')");
        createProcedure("testBug20504139p", "(INOUT namep CHAR(50)) SELECT  CONCAT('Hello, ', namep, '!') INTO namep");
        createProcedure("`testBug20504139``p`", "(INOUT namep CHAR(50)) SELECT  CONCAT('Hello, ', namep, '!') INTO namep");

        for (int testCase = 0; testCase < 8; testCase++) {// 3 props, 8 combinations: 2^3 = 8
            boolean usePedantic = (testCase & 1) == 1;
            boolean useInformationSchema = (testCase & 2) == 2;
            boolean useFuncsInProcs = (testCase & 4) == 4;

            String connProps = String.format("pedantic=%s,useInformationSchema=%s,getProceduresReturnsFunctions=%s", usePedantic, useInformationSchema,
                    useFuncsInProcs);
            System.out.printf("testBug20504139_%d: %s%n", testCase, connProps);

            Connection testConn = getConnectionWithProps(connProps);
            DatabaseMetaData dbmd = testConn.getMetaData();

            ResultSet testRs = null;

            try {
                /*
                 * test DatabaseMetadata.getProcedureColumns for function
                 */
                int i = 1;
                try {
                    for (String name : new String[] { "testBug20504139f", "testBug20504139`f" }) {
                        testRs = dbmd.getProcedureColumns(null, "", name, "%");

                        if (useFuncsInProcs) {
                            assertTrue(testRs.next());
                            assertEquals(testCase + "." + i + ". expected function column name (empty)", "", testRs.getString(4));
                            assertEquals(testCase + "." + i + ". expected function column type (empty)", DatabaseMetaData.procedureColumnReturn,
                                    testRs.getInt(5));
                            assertTrue(testRs.next());
                            assertEquals(testCase + "." + i + ". expected function column name", "namef", testRs.getString(4));
                            assertEquals(testCase + "." + i + ". expected function column type (empty)", DatabaseMetaData.procedureColumnIn, testRs.getInt(5));
                            assertFalse(testRs.next());
                        } else {
                            assertFalse(testRs.next());
                        }

                        testRs.close();
                        i++;
                    }
                } catch (SQLException e) {
                    if (e.getMessage().matches("FUNCTION `testBug20504139(:?`{2})?[fp]` does not exist")) {
                        fail(testCase + "." + i + ". failed to retrieve function columns, with getProcedureColumns(), from database meta data.");
                    }
                    throw e;
                }

                /*
                 * test DatabaseMetadata.getProcedureColumns for procedure
                 */
                i = 1;
                try {
                    for (String name : new String[] { "testBug20504139p", "testBug20504139`p" }) {
                        testRs = dbmd.getProcedureColumns(null, "", name, "%");

                        assertTrue(testRs.next());
                        assertEquals(testCase + ". expected procedure column name", "namep", testRs.getString(4));
                        assertEquals(testCase + ". expected procedure column type (empty)", DatabaseMetaData.procedureColumnInOut, testRs.getInt(5));
                        assertFalse(testRs.next());

                        testRs.close();
                        i++;
                    }
                } catch (SQLException e) {
                    if (e.getMessage().matches("PROCEDURE `testBug20504139(:?`{2})?[fp]` does not exist")) {
                        fail(testCase + "." + i + ". failed to retrieve prodedure columns, with getProcedureColumns(), from database meta data.");
                    }
                    throw e;
                }

                /*
                 * test DatabaseMetadata.getFunctionColumns for function
                 */
                i = 1;
                try {
                    for (String name : new String[] { "testBug20504139f", "testBug20504139`f" }) {
                        testRs = dbmd.getFunctionColumns(null, "", name, "%");

                        assertTrue(testRs.next());
                        assertEquals(testCase + ". expected function column name (empty)", "", testRs.getString(4));
                        assertEquals(testCase + ". expected function column type (empty)", DatabaseMetaData.functionReturn, testRs.getInt(5));
                        assertTrue(testRs.next());
                        assertEquals(testCase + ". expected function column name", "namef", testRs.getString(4));
                        assertEquals(testCase + ". expected function column type (empty)", DatabaseMetaData.functionColumnIn, testRs.getInt(5));
                        assertFalse(testRs.next());

                        testRs.close();
                        i++;
                    }
                } catch (SQLException e) {
                    if (e.getMessage().matches("FUNCTION `testBug20504139(:?`{2})?[fp]` does not exist")) {
                        fail(testCase + "." + i + ". failed to retrieve function columns, with getFunctionColumns(), from database meta data.");
                    }
                    throw e;
                }

                /*
                 * test DatabaseMetadata.getFunctionColumns for procedure
                 */
                i = 1;
                try {
                    for (String name : new String[] { "testBug20504139p", "testBug20504139`p" }) {
                        testRs = dbmd.getFunctionColumns(null, "", name, "%");

                        assertFalse(testRs.next());

                        testRs.close();
                        i++;
                    }
                } catch (SQLException e) {
                    if (e.getMessage().matches("PROCEDURE `testBug20504139(:?`{2})?[fp]` does not exist")) {
                        fail(testCase + "." + i + ". failed to retrieve procedure columns, with getFunctionColumns(), from database meta data.");
                    }
                    throw e;
                }
            } finally {
                testConn.close();
            }
        }
    }

    /**
     * Tests fix for BUG#19803348 - GETPROCEDURES() RETURNS INCORRECT O/P WHEN USEINFORMATIONSCHEMA=FALSE.
     * 
     * Composed by two parts:
     * 1. Confirm that getProcedures() and getProcedureColumns() aren't returning more results than expected (as per reported bug).
     * 2. Confirm that the results from getProcedures() and getProcedureColumns() are in the right order (secondary bug).
     * 
     * Test duplicated in testsuite.regression.MetaDataRegressionTest.
     * 
     * @throws Exception
     *             if the test fails.
     */
    public void testBug19803348() throws Exception {
        Connection testConn = null;
        try {
            testConn = getConnectionWithProps("useInformationSchema=false,getProceduresReturnsFunctions=false,nullCatalogMeansCurrent=false");
            DatabaseMetaData dbmd = testConn.getMetaData();

            String testDb1 = "testBug19803348_db1";
            String testDb2 = "testBug19803348_db2";

            if (!dbmd.supportsMixedCaseIdentifiers()) {
                testDb1 = testDb1.toLowerCase();
                testDb2 = testDb2.toLowerCase();
            }

            createDatabase(testDb1);
            createDatabase(testDb2);

            // 1. Check if getProcedures() and getProcedureColumns() aren't returning more results than expected (as per reported bug).
            createFunction(testDb1 + ".testBug19803348_f", "(d INT) RETURNS INT BEGIN RETURN d; END");
            createProcedure(testDb1 + ".testBug19803348_p", "(d int) BEGIN SELECT d; END");

            this.rs = dbmd.getFunctions(null, null, "testBug19803348_%");
            assertTrue(this.rs.next());
            assertEquals(testDb1, this.rs.getString(1));
            assertEquals("testBug19803348_f", this.rs.getString(3));
            assertFalse(this.rs.next());

            this.rs = dbmd.getFunctionColumns(null, null, "testBug19803348_%", "%");
            assertTrue(this.rs.next());
            assertEquals(testDb1, this.rs.getString(1));
            assertEquals("testBug19803348_f", this.rs.getString(3));
            assertEquals("", this.rs.getString(4));
            assertTrue(this.rs.next());
            assertEquals(testDb1, this.rs.getString(1));
            assertEquals("testBug19803348_f", this.rs.getString(3));
            assertEquals("d", this.rs.getString(4));
            assertFalse(this.rs.next());

            this.rs = dbmd.getProcedures(null, null, "testBug19803348_%");
            assertTrue(this.rs.next());
            assertEquals(testDb1, this.rs.getString(1));
            assertEquals("testBug19803348_p", this.rs.getString(3));
            assertFalse(this.rs.next());

            this.rs = dbmd.getProcedureColumns(null, null, "testBug19803348_%", "%");
            assertTrue(this.rs.next());
            assertEquals(testDb1, this.rs.getString(1));
            assertEquals("testBug19803348_p", this.rs.getString(3));
            assertEquals("d", this.rs.getString(4));
            assertFalse(this.rs.next());

            dropFunction(testDb1 + ".testBug19803348_f");
            dropProcedure(testDb1 + ".testBug19803348_p");

            // 2. Check if the results from getProcedures() and getProcedureColumns() are in the right order (secondary bug).
            createFunction(testDb1 + ".testBug19803348_B_f", "(d INT) RETURNS INT BEGIN RETURN d; END");
            createProcedure(testDb1 + ".testBug19803348_B_p", "(d int) BEGIN SELECT d; END");
            createFunction(testDb2 + ".testBug19803348_A_f", "(d INT) RETURNS INT BEGIN RETURN d; END");
            createProcedure(testDb2 + ".testBug19803348_A_p", "(d int) BEGIN SELECT d; END");

            this.rs = dbmd.getFunctions(null, null, "testBug19803348_%");
            assertTrue(this.rs.next());
            assertEquals(testDb1, this.rs.getString(1));
            assertEquals("testBug19803348_B_f", this.rs.getString(3));
            assertTrue(this.rs.next());
            assertEquals(testDb2, this.rs.getString(1));
            assertEquals("testBug19803348_A_f", this.rs.getString(3));
            assertFalse(this.rs.next());

            this.rs = dbmd.getFunctionColumns(null, null, "testBug19803348_%", "%");
            assertTrue(this.rs.next());
            assertEquals(testDb1, this.rs.getString(1));
            assertEquals("testBug19803348_B_f", this.rs.getString(3));
            assertEquals("", this.rs.getString(4));
            assertTrue(this.rs.next());
            assertEquals(testDb1, this.rs.getString(1));
            assertEquals("testBug19803348_B_f", this.rs.getString(3));
            assertEquals("d", this.rs.getString(4));
            assertTrue(this.rs.next());
            assertEquals(testDb2, this.rs.getString(1));
            assertEquals("testBug19803348_A_f", this.rs.getString(3));
            assertEquals("", this.rs.getString(4));
            assertTrue(this.rs.next());
            assertEquals(testDb2, this.rs.getString(1));
            assertEquals("testBug19803348_A_f", this.rs.getString(3));
            assertEquals("d", this.rs.getString(4));
            assertFalse(this.rs.next());

            this.rs = dbmd.getProcedures(null, null, "testBug19803348_%");
            assertTrue(this.rs.next());
            assertEquals(testDb1, this.rs.getString(1));
            assertEquals("testBug19803348_B_p", this.rs.getString(3));
            assertTrue(this.rs.next());
            assertEquals(testDb2, this.rs.getString(1));
            assertEquals("testBug19803348_A_p", this.rs.getString(3));
            assertFalse(this.rs.next());

            this.rs = dbmd.getProcedureColumns(null, null, "testBug19803348_%", "%");
            assertTrue(this.rs.next());
            assertEquals(testDb1, this.rs.getString(1));
            assertEquals("testBug19803348_B_p", this.rs.getString(3));
            assertEquals("d", this.rs.getString(4));
            assertTrue(this.rs.next());
            assertEquals(testDb2, this.rs.getString(1));
            assertEquals("testBug19803348_A_p", this.rs.getString(3));
            assertEquals("d", this.rs.getString(4));
            assertFalse(this.rs.next());

        } finally {
            if (testConn != null) {
                testConn.close();
            }
        }
    }

    /**
     * Tests fix for BUG#20727196 - GETPROCEDURECOLUMNS() RETURNS EXCEPTION FOR FUNCTION WHICH RETURNS ENUM/SET TYPE.
     * 
     * Test duplicated in testsuite.regression.MetaDataRegressionTest.
     * 
     * @throws Exception
     *             if the test fails.
     */
    public void testBug20727196() throws Exception {
        createFunction("testBug20727196_f1", "(p ENUM ('Yes', 'No')) RETURNS VARCHAR(10) BEGIN RETURN IF(p='Yes', 'Yay!', if(p='No', 'Ney!', 'What?')); END");
        createFunction("testBug20727196_f2", "(p CHAR(1)) RETURNS ENUM ('Yes', 'No') BEGIN RETURN IF(p='y', 'Yes', if(p='n', 'No', '?')); END");
        createFunction("testBug20727196_f3", "(p ENUM ('Yes', 'No')) RETURNS ENUM ('Yes', 'No') BEGIN RETURN IF(p='Yes', 'Yes', if(p='No', 'No', '?')); END");
        createProcedure("testBug20727196_p1", "(p ENUM ('Yes', 'No')) BEGIN SELECT IF(p='Yes', 'Yay!', if(p='No', 'Ney!', 'What?')); END");

        for (String connProps : new String[] { "getProceduresReturnsFunctions=false,useInformationSchema=false",
                "getProceduresReturnsFunctions=false,useInformationSchema=true" }) {

            Connection testConn = null;
            try {
                testConn = getConnectionWithProps(connProps);
                DatabaseMetaData dbmd = testConn.getMetaData();

                this.rs = dbmd.getFunctionColumns(null, null, "testBug20727196_%", "%");

                // testBug20727196_f1 columns:
                assertTrue(this.rs.next());
                assertEquals("testBug20727196_f1", this.rs.getString(3));
                assertEquals("", this.rs.getString(4));
                assertEquals("VARCHAR", this.rs.getString(7));
                assertTrue(this.rs.next());
                assertEquals("testBug20727196_f1", this.rs.getString(3));
                assertEquals("p", this.rs.getString(4));
                assertEquals("ENUM", this.rs.getString(7));

                // testBug20727196_f2 columns:
                assertTrue(this.rs.next());
                assertEquals("testBug20727196_f2", this.rs.getString(3));
                assertEquals("", this.rs.getString(4));
                assertEquals("ENUM", this.rs.getString(7));
                assertTrue(this.rs.next());
                assertEquals("testBug20727196_f2", this.rs.getString(3));
                assertEquals("p", this.rs.getString(4));
                assertEquals("CHAR", this.rs.getString(7));

                // testBug20727196_f3 columns:
                assertTrue(this.rs.next());
                assertEquals("testBug20727196_f3", this.rs.getString(3));
                assertEquals("", this.rs.getString(4));
                assertEquals("ENUM", this.rs.getString(7));
                assertTrue(this.rs.next());
                assertEquals("testBug20727196_f3", this.rs.getString(3));
                assertEquals("p", this.rs.getString(4));
                assertEquals("ENUM", this.rs.getString(7));

                assertFalse(this.rs.next());

                this.rs = dbmd.getProcedureColumns(null, null, "testBug20727196_%", "%");

                // testBug20727196_p1 columns:
                assertTrue(this.rs.next());
                assertEquals("testBug20727196_p1", this.rs.getString(3));
                assertEquals("p", this.rs.getString(4));
                assertEquals("ENUM", this.rs.getString(7));

                assertFalse(this.rs.next());
            } finally {
                if (testConn != null) {
                    testConn.close();
                }
            }
        }
    }
}
