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Groovy example source code file (SqlBatchTest.groovy)

This example Groovy source code file (SqlBatchTest.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

datasource, from, from, groovytestcase, illegalstateexception, james, jdbc, mcwhirter, person, person, select, select, sql, sql, varchar, varchar

The Groovy SqlBatchTest.groovy source code

/*
 * Copyright 2003-2011 the original author or authors.
 *
 * Licensed 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 groovy.sql

import javax.sql.DataSource
import java.sql.Connection
import java.sql.SQLException

/**
 * Test Sql batch features
 *
 * @author Paul King
 */
class SqlBatchTest extends GroovyTestCase {
    Sql sql
    def personFood
    private others = ['Jean':'Gabin', 'Lino':'Ventura']

    void setUp() {
        DataSource ds = new org.hsqldb.jdbc.jdbcDataSource()
        ds.database = "jdbc:hsqldb:mem:foo" + getMethodName()
        ds.user = 'sa'
        ds.password = ''
        Connection con = ds.connection
        sql = new Sql(con)
        sql.execute("CREATE TABLE person ( id INTEGER, firstname VARCHAR, lastname VARCHAR, PRIMARY KEY (id))")

        // populate some data
        def people = sql.dataSet("PERSON")
        people.add(id: 1, firstname: "James", lastname: "Strachan")
        people.add(id: 2, firstname: "Bob", lastname: "Mcwhirter")
        people.add(id: 3, firstname: "Sam", lastname: "Pullara")
    }

    void testManualBatch() {
        def numRows = sql.rows("SELECT * FROM PERSON").size()
        assert numRows == 3
        assert sql.connection.metaData.supportsBatchUpdates()
        sql.cacheConnection {connection ->
            try {
            connection.autoCommit = false
            def stmt = connection.createStatement()
            others.eachWithIndex {k, v, index ->
                def id = index + numRows + 1
                stmt.addBatch("insert into PERSON (id, firstname, lastname) values ($id, '$k', '$v')")
            }
            assert stmt.executeBatch() == [1, 1]
            connection.autoCommit = true
            } catch (Exception e) {
                e.printStackTrace()
            }
        }
        assert sql.rows("SELECT * FROM PERSON").size() == 5
    }

    void testWithBatch() {
        def numRows = sql.rows("SELECT * FROM PERSON").size()
        assert numRows == 3
        def result = sql.withBatch { stmt ->
            others.eachWithIndex { k, v, index ->
                def id = index + numRows + 1
                stmt.addBatch("insert into PERSON (id, firstname, lastname) values ($id, '$k', '$v')")
            }
        }
        assert result == [1, 1]
        assert sql.rows("SELECT * FROM PERSON").size() == 5
    }

    void testWithBatchHavingSize() {
        def numRows = sql.rows("SELECT * FROM PERSON").size()
        assert numRows == 3
        def myOthers = ['f4':'l4','f5':'l5','f6':'l6','f7':'l7']
        def result = sql.withBatch(3) { stmt ->
            myOthers.eachWithIndex { k, v, index ->
                def id = index + numRows + 1
                stmt.addBatch("insert into PERSON (id, firstname, lastname) values ($id, '$k', '$v')")
            }
        }
        assert result == [1] * myOthers.size()
        assert sql.rows("SELECT * FROM PERSON").size() == numRows + myOthers.size()
        // end result the same as if no batching was in place but logging should show:
        // FINE: Successfully executed batch with 3 command(s)
        // FINE: Successfully executed batch with 1 command(s)
    }

    void testWithBatchHavingSizeUsingPreparedStatement() {
        def numRows = sql.rows("SELECT * FROM PERSON").size()
        assert numRows == 3
        def myOthers = ['f4':'l4','f5':'l5','f6':'l6','f7':'l7']
        def result = sql.withBatch(3, "insert into PERSON (id, firstname, lastname) values (?, ?, ?)") { ps ->
            myOthers.eachWithIndex { k, v, index ->
                def id = index + numRows + 1
                ps.addBatch(id, k, v)
            }
        }
        assert result == [1] * myOthers.size()
        assert sql.rows("SELECT * FROM PERSON").size() == numRows + myOthers.size()
        // end result the same as if no batching was in place but logging should show:
        // FINE: Successfully executed batch with 3 command(s)
        // FINE: Successfully executed batch with 1 command(s)
    }

    void testWithBatchInsideWithTransaction() {
        def numRows = sql.rows("SELECT * FROM PERSON").size()
        assert numRows == 3
        def myOthers = ['f4':'l4','f5':'l5','f6':'l6','f7':'l7']
        shouldFail(IllegalStateException) {
            sql.withTransaction {
                sql.withBatch(2, "insert into PERSON (id, firstname, lastname) values (?, ?, ?)") { ps ->
                    myOthers.eachWithIndex { k, v, index ->
                        def id = index + numRows + 1
                        if (k == 'f6') throw new IllegalStateException('BOOM')
                        ps.addBatch(id, k, v)
                    }
                }
            }
        }
        assert sql.rows("SELECT * FROM PERSON").size() == numRows
    }

    void testWithBatchHavingSizeUsingPreparedStatementNamedParams() {
        def numRows = sql.rows("SELECT * FROM PERSON").size()
        assert numRows == 3
        def myOthers = ['f4':'l4','f5':'l5','f6':'l6','f7':'l7']
        def result = sql.withBatch(3, "insert into PERSON (id, firstname, lastname) values (?.id, :first, :last)") { ps ->
            myOthers.eachWithIndex { k, v, index ->
                def id = index + numRows + 1
                ps.addBatch(id:id, first:k, last:v)
            }
        }
        assert result == [1] * myOthers.size()
        assert sql.rows("SELECT * FROM PERSON").size() == numRows + myOthers.size()
        // end result the same as if no batching was in place but logging should show:
        // FINE: Successfully executed batch with 3 command(s)
        // FINE: Successfully executed batch with 1 command(s)
    }

    void testWithBatchHavingSizeUsingPreparedStatementNamedOrdinalParams() {
        def numRows = sql.rows("SELECT * FROM PERSON").size()
        assert numRows == 3
        def myOthers = ['f4':'l4','f5':'l5','f6':'l6','f7':'l7']
        def result = sql.withBatch(3, "insert into PERSON (id, firstname, lastname) values (?1, ?2.first, ?2.last)") { ps ->
            myOthers.eachWithIndex { k, v, index ->
                def id = index + numRows + 1
                ps.addBatch(id, [first:k, last:v])
            }
        }
        assert result == [1] * myOthers.size()
        assert sql.rows("SELECT * FROM PERSON").size() == numRows + myOthers.size()
        // end result the same as if no batching was in place but logging should show:
        // FINE: Successfully executed batch with 3 command(s)
        // FINE: Successfully executed batch with 1 command(s)
    }

}

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