com.cloudera.sqoop.manager.MySQLCompatTest.java Source code

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Here is the source code for com.cloudera.sqoop.manager.MySQLCompatTest.java

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/**
 * Licensed to Cloudera, Inc. under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  Cloudera, Inc. licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.cloudera.sqoop.manager;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.apache.hadoop.conf.Configuration;
import com.cloudera.sqoop.SqoopOptions;
import com.cloudera.sqoop.testutil.ManagerCompatTestCase;

/**
 * Test the basic mysql connection manager with the various column types.
 */
public class MySQLCompatTest extends ManagerCompatTestCase {

    public static final Log LOG = LogFactory.getLog(MySQLCompatTest.class.getName());

    @Override
    protected Log getLogger() {
        return LOG;
    }

    @Override
    protected String getDbFriendlyName() {
        return "MySQL";
    }

    @Override
    protected String getConnectString() {
        return MySQLTestUtils.CONNECT_STRING;
    }

    @Override
    protected SqoopOptions getSqoopOptions(Configuration conf) {
        SqoopOptions opts = new SqoopOptions(conf);
        opts.setUsername(MySQLTestUtils.getCurrentUser());
        return opts;

    }

    @Override
    protected void dropTableIfExists(String table) throws SQLException {
        Connection conn = getManager().getConnection();
        PreparedStatement statement = conn.prepareStatement("DROP TABLE IF EXISTS " + table,
                ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
        try {
            statement.executeUpdate();
            conn.commit();
        } finally {
            statement.close();
        }
    }

    @Override
    protected String getLongVarCharType() {
        return "MEDIUMTEXT";
    }

    @Override
    protected String getTimestampType() {
        // return a nullable timestamp type.
        return "TIMESTAMP NULL";
    }

    @Override
    protected String getClobType() {
        return "MEDIUMTEXT";
    }

    @Override
    protected String getBlobType() {
        return "MEDIUMBLOB";
    }

    @Override
    protected String getTrueBoolDbOutput() {
        return "1";
    }

    @Override
    protected String getFalseBoolDbOutput() {
        return "0";
    }

    @Override
    protected String getRealDbOutput(String realAsInserted) {
        return realAsInserted;
    }

    @Override
    protected String getRealSeqOutput(String realAsInserted) {
        return withDecimalZero(realAsInserted);
    }

    @Override
    protected String getFloatDbOutput(String floatAsInserted) {
        return floatAsInserted;
    }

    @Override
    protected String getFloatSeqOutput(String floatAsInserted) {
        return withDecimalZero(floatAsInserted);
    }

    @Override
    protected String getDoubleDbOutput(String doubleAsInserted) {
        return doubleAsInserted;
    }

    @Override
    protected String getDoubleSeqOutput(String doubleAsInserted) {
        return withDecimalZero(doubleAsInserted);
    }

    @Override
    protected String getTimestampDbOutput(String tsAsInserted) {
        // We trim timestamps to exactly one tenth of a second.
        if ("null".equals(tsAsInserted)) {
            return tsAsInserted;
        }

        int dotPos = tsAsInserted.indexOf(".");
        if (-1 == dotPos) {
            return tsAsInserted + ".0";
        } else {
            return tsAsInserted.substring(0, dotPos + 2);
        }
    }

    @Override
    protected String getTimestampSeqOutput(String tsAsInserted) {
        return getTimestampDbOutput(tsAsInserted);
    }

    @Override
    protected String getNumericDbOutput(String numAsInserted) {
        // We always pad to exactly the number of digits in
        // getNumericDecPartDigits().

        int totalDecPartSize = getNumericDecPartDigits();
        int numPad; // number of digits to pad by.

        int dotPos = numAsInserted.indexOf(".");
        if (-1 == dotPos) {
            numAsInserted = numAsInserted + ".";
            numPad = totalDecPartSize;
        } else {
            int existingDecimalSize = numAsInserted.length() - dotPos;
            numPad = totalDecPartSize - existingDecimalSize;
        }

        if (numPad < 0) {
            // We actually have to trim the value.
            return numAsInserted.substring(0, numAsInserted.length() + numPad + 1);
        } else {
            String zeros = "";
            for (int i = 0; i < numPad; i++) {
                zeros = zeros + "0";
            }
            return numAsInserted + zeros;
        }
    }

    @Override
    protected String getDecimalDbOutput(String numAsInserted) {
        return getNumericDbOutput(numAsInserted);
    }
}