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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> | ||
<modelVersion>4.0.0</modelVersion> | ||
<groupId>org.jumpmind.symmetric</groupId> | ||
<artifactId>symmetric-mssql</artifactId> | ||
<packaging>jar</packaging> | ||
<version>3.5.3-SNAPSHOT</version> | ||
<name>mssql</name> | ||
<url>http://symmetricds.org</url> | ||
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<parent> | ||
<groupId>org.jumpmind.symmetric</groupId> | ||
<artifactId>symmetric-parent</artifactId> | ||
<version>3.5.2-SNAPSHOT</version> | ||
<relativePath>../symmetric-parent/pom.xml</relativePath> | ||
</parent> | ||
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<dependencies> | ||
<dependency> | ||
<groupId>org.jumpmind.symmetric</groupId> | ||
<artifactId>symmetric-io</artifactId> | ||
</dependency> | ||
<dependency> | ||
<groupId>org.jumpmind.symmetric</groupId> | ||
<artifactId>symmetric-io</artifactId> | ||
<type>test-jar</type> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>com.h2database</groupId> | ||
<artifactId>h2</artifactId> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>org.jumpmind.symmetric</groupId> | ||
<artifactId>symmetric-jdbc</artifactId> | ||
</dependency> | ||
<dependency> | ||
<groupId>org.jumpmind.symmetric</groupId> | ||
<artifactId>symmetric-jdbc</artifactId> | ||
<type>test-jar</type> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>jdbc</groupId> | ||
<artifactId>ojdbc</artifactId> | ||
<version>11.2.0.3</version> | ||
<scope>provided</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>junit</groupId> | ||
<artifactId>junit</artifactId> | ||
<scope>test</scope> | ||
</dependency> | ||
<dependency> | ||
<groupId>log4j</groupId> | ||
<artifactId>log4j</artifactId> | ||
<scope>test</scope> | ||
</dependency> | ||
</dependencies> | ||
</project> |
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...ic-mssql/src/main/java/org/jumpmind/symmetric/io/data/writer/MsSqlBulkDatabaseWriter.java
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package org.jumpmind.symmetric.io.data.writer; | ||
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import java.sql.Connection; | ||
import java.sql.SQLException; | ||
import java.sql.Statement; | ||
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import oracle.jdbc.internal.OracleCallableStatement; | ||
import oracle.sql.ARRAY; | ||
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import org.jumpmind.db.model.Table; | ||
import org.jumpmind.db.platform.IDatabasePlatform; | ||
import org.jumpmind.db.sql.BulkSqlException; | ||
import org.jumpmind.db.sql.JdbcSqlTransaction; | ||
import org.jumpmind.symmetric.csv.CsvWriter; | ||
import org.jumpmind.symmetric.io.data.CsvData; | ||
import org.jumpmind.symmetric.io.data.CsvUtils; | ||
import org.jumpmind.symmetric.io.data.DataEventType; | ||
import org.jumpmind.symmetric.io.stage.IStagedResource; | ||
import org.jumpmind.symmetric.io.stage.IStagingManager; | ||
import org.springframework.jdbc.support.nativejdbc.NativeJdbcExtractor; | ||
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public class MsSqlBulkDatabaseWriter extends DatabaseWriter { | ||
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protected NativeJdbcExtractor jdbcExtractor; | ||
protected int maxRowsBeforeFlush; | ||
protected IStagingManager stagingManager; | ||
protected IStagedResource stagedInputFile; | ||
protected int loadedRows = 0; | ||
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public MsSqlBulkDatabaseWriter(IDatabasePlatform platform, | ||
IStagingManager stagingManager, NativeJdbcExtractor jdbcExtractor, | ||
int maxRowsBeforeFlush) { | ||
super(platform); | ||
this.jdbcExtractor = jdbcExtractor; | ||
this.maxRowsBeforeFlush = maxRowsBeforeFlush; | ||
this.stagingManager = stagingManager; | ||
} | ||
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public boolean start(Table table) { | ||
if (super.start(table)) { | ||
//TODO: Did this because start is getting called multiple times | ||
// for the same table in a single batch before end is being called | ||
if (this.stagedInputFile == null) { | ||
createStagingFile(table); | ||
} | ||
return true; | ||
} else { | ||
return false; | ||
} | ||
} | ||
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@Override | ||
public void end(Table table) { | ||
try { | ||
this.stagedInputFile.close(); | ||
flush(); | ||
this.stagedInputFile.delete(); | ||
} finally { | ||
super.end(table); | ||
} | ||
} | ||
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public void write(CsvData data) { | ||
DataEventType dataEventType = data.getDataEventType(); | ||
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switch (dataEventType) { | ||
case INSERT: | ||
statistics.get(batch).increment(DataWriterStatisticConstants.STATEMENTCOUNT); | ||
statistics.get(batch).increment(DataWriterStatisticConstants.LINENUMBER); | ||
statistics.get(batch).startTimer(DataWriterStatisticConstants.DATABASEMILLIS); | ||
try { | ||
String formattedData = CsvUtils.escapeCsvData( | ||
data.getParsedData(CsvData.ROW_DATA), ' ', ' ', | ||
CsvWriter.ESCAPE_MODE_DOUBLED); | ||
byte[] dataToLoad = formattedData.getBytes(); | ||
this.stagedInputFile.getOutputStream().write(dataToLoad); | ||
this.stagedInputFile.getOutputStream().write('\r'); | ||
this.stagedInputFile.getOutputStream().write('\n'); | ||
loadedRows++; | ||
} catch (Exception ex) { | ||
throw getPlatform().getSqlTemplate().translate(ex); | ||
} finally { | ||
statistics.get(batch).stopTimer(DataWriterStatisticConstants.DATABASEMILLIS); | ||
} | ||
break; | ||
case UPDATE: | ||
case DELETE: | ||
default: | ||
flush(); | ||
super.write(data); | ||
break; | ||
} | ||
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if (loadedRows >= maxRowsBeforeFlush) { | ||
flush(); | ||
loadedRows = 0; | ||
} | ||
} | ||
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protected void flush() { | ||
statistics.get(batch).startTimer(DataWriterStatisticConstants.DATABASEMILLIS); | ||
if (loadedRows > 0) { | ||
try { | ||
JdbcSqlTransaction jdbcTransaction = (JdbcSqlTransaction) transaction; | ||
Connection c = jdbcTransaction.getConnection(); | ||
String sql = String.format("BULK INSERT " + | ||
this.getTargetTable().getFullyQualifiedTableName() + | ||
" FROM '" + stagedInputFile.getFile().getAbsolutePath()) + "'" + | ||
" WITH ( FIELDTERMINATOR=',');"; | ||
Statement stmt = c.createStatement(); | ||
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//TODO: clean this up, deal with errors, etc.? | ||
stmt.execute(sql); | ||
stmt.close(); | ||
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} catch (SQLException ex) { | ||
throw platform.getSqlTemplate().translate(ex); | ||
} finally { | ||
statistics.get(batch).stopTimer(DataWriterStatisticConstants.DATABASEMILLIS); | ||
} | ||
} | ||
} | ||
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protected void createStagingFile(Table table) { | ||
//TODO: We should use constants for dir structure path, | ||
// but we don't want to depend on symmetric core. | ||
this.stagedInputFile = stagingManager.create(0, "bulkloaddir", | ||
table.getName() + this.getBatch().getBatchId() + ".csv"); | ||
} | ||
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} |