org.apache.flink.api.java.io.jdbc.split.ParameterValuesProvider Java Examples

The following examples show how to use org.apache.flink.api.java.io.jdbc.split.ParameterValuesProvider. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: JDBCInputFormatTest.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Test
public void testJDBCInputFormatWithParallelismAndGenericSplitting() throws IOException {
	Serializable[][] queryParameters = new String[2][1];
	queryParameters[0] = new String[]{TEST_DATA[3].author};
	queryParameters[1] = new String[]{TEST_DATA[0].author};
	ParameterValuesProvider paramProvider = new GenericParameterValuesProvider(queryParameters);
	jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
			.setDrivername(DRIVER_CLASS)
			.setDBUrl(DB_URL)
			.setQuery(JDBCTestBase.SELECT_ALL_BOOKS_SPLIT_BY_AUTHOR)
			.setRowTypeInfo(ROW_TYPE_INFO)
			.setParametersProvider(paramProvider)
			.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)
			.finish();

	jdbcInputFormat.openInputFormat();
	InputSplit[] splits = jdbcInputFormat.createInputSplits(1);
	//this query exploit parallelism (1 split for every queryParameters row)
	Assert.assertEquals(queryParameters.length, splits.length);

	verifySplit(splits[0], TEST_DATA[3].id);
	verifySplit(splits[1], TEST_DATA[0].id + TEST_DATA[1].id);

	jdbcInputFormat.closeInputFormat();
}
Example #2
Source File: JDBCInputFormatTest.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void testJDBCInputFormatWithParallelismAndGenericSplitting() throws IOException {
	Serializable[][] queryParameters = new String[2][1];
	queryParameters[0] = new String[]{TEST_DATA[3].author};
	queryParameters[1] = new String[]{TEST_DATA[0].author};
	ParameterValuesProvider paramProvider = new GenericParameterValuesProvider(queryParameters);
	jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
			.setDrivername(DRIVER_CLASS)
			.setDBUrl(DB_URL)
			.setQuery(JDBCTestBase.SELECT_ALL_BOOKS_SPLIT_BY_AUTHOR)
			.setRowTypeInfo(ROW_TYPE_INFO)
			.setParametersProvider(paramProvider)
			.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)
			.finish();

	jdbcInputFormat.openInputFormat();
	InputSplit[] splits = jdbcInputFormat.createInputSplits(1);
	//this query exploit parallelism (1 split for every queryParameters row)
	Assert.assertEquals(queryParameters.length, splits.length);

	verifySplit(splits[0], TEST_DATA[3].id);
	verifySplit(splits[1], TEST_DATA[0].id + TEST_DATA[1].id);

	jdbcInputFormat.closeInputFormat();
}
Example #3
Source File: JDBCInputFormatTest.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void testJDBCInputFormatWithParallelismAndGenericSplitting() throws IOException {
	Serializable[][] queryParameters = new String[2][1];
	queryParameters[0] = new String[]{TEST_DATA[3].author};
	queryParameters[1] = new String[]{TEST_DATA[0].author};
	ParameterValuesProvider paramProvider = new GenericParameterValuesProvider(queryParameters);
	jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
			.setDrivername(DERBY_EBOOKSHOP_DB.getDriverClass())
			.setDBUrl(DERBY_EBOOKSHOP_DB.getUrl())
			.setQuery(SELECT_ALL_BOOKS_SPLIT_BY_AUTHOR)
			.setRowTypeInfo(ROW_TYPE_INFO)
			.setParametersProvider(paramProvider)
			.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)
			.finish();

	jdbcInputFormat.openInputFormat();
	InputSplit[] splits = jdbcInputFormat.createInputSplits(1);
	//this query exploit parallelism (1 split for every queryParameters row)
	Assert.assertEquals(queryParameters.length, splits.length);

	verifySplit(splits[0], TEST_DATA[3].id);
	verifySplit(splits[1], TEST_DATA[0].id + TEST_DATA[1].id);

	jdbcInputFormat.closeInputFormat();
}
Example #4
Source File: JDBCInputFormatTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Test
public void testJDBCInputFormatWithParallelismAndNumericColumnSplitting() throws IOException {
	final int fetchSize = 1;
	final long min = TEST_DATA[0].id;
	final long max = TEST_DATA[TEST_DATA.length - fetchSize].id;
	ParameterValuesProvider pramProvider = new NumericBetweenParametersProvider(fetchSize, min, max);
	jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
			.setDrivername(DRIVER_CLASS)
			.setDBUrl(DB_URL)
			.setQuery(JDBCTestBase.SELECT_ALL_BOOKS_SPLIT_BY_ID)
			.setRowTypeInfo(ROW_TYPE_INFO)
			.setParametersProvider(pramProvider)
			.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)
			.finish();

	jdbcInputFormat.openInputFormat();
	InputSplit[] splits = jdbcInputFormat.createInputSplits(1);
	//this query exploit parallelism (1 split for every id)
	Assert.assertEquals(TEST_DATA.length, splits.length);
	int recordCount = 0;
	Row row =  new Row(5);
	for (InputSplit split : splits) {
		jdbcInputFormat.open(split);
		while (!jdbcInputFormat.reachedEnd()) {
			Row next = jdbcInputFormat.nextRecord(row);

			assertEquals(TEST_DATA[recordCount], next);

			recordCount++;
		}
		jdbcInputFormat.close();
	}
	jdbcInputFormat.closeInputFormat();
	Assert.assertEquals(TEST_DATA.length, recordCount);
}
Example #5
Source File: JDBCInputFormatTest.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Test
public void testJDBCInputFormatWithoutParallelismAndNumericColumnSplitting() throws IOException {
	final long min = TEST_DATA[0].id;
	final long max = TEST_DATA[TEST_DATA.length - 1].id;
	final long fetchSize = max + 1; //generate a single split
	ParameterValuesProvider pramProvider = new NumericBetweenParametersProvider(fetchSize, min, max);
	jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
			.setDrivername(DRIVER_CLASS)
			.setDBUrl(DB_URL)
			.setQuery(JDBCTestBase.SELECT_ALL_BOOKS_SPLIT_BY_ID)
			.setRowTypeInfo(ROW_TYPE_INFO)
			.setParametersProvider(pramProvider)
			.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)
			.finish();

	jdbcInputFormat.openInputFormat();
	InputSplit[] splits = jdbcInputFormat.createInputSplits(1);
	//assert that a single split was generated
	Assert.assertEquals(1, splits.length);
	int recordCount = 0;
	Row row =  new Row(5);
	for (InputSplit split : splits) {
		jdbcInputFormat.open(split);
		while (!jdbcInputFormat.reachedEnd()) {
			Row next = jdbcInputFormat.nextRecord(row);

			assertEquals(TEST_DATA[recordCount], next);

			recordCount++;
		}
		jdbcInputFormat.close();
	}
	jdbcInputFormat.closeInputFormat();
	Assert.assertEquals(TEST_DATA.length, recordCount);
}
Example #6
Source File: JDBCInputFormatTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Test
public void testJDBCInputFormatWithParallelismAndNumericColumnSplitting() throws IOException {
	final int fetchSize = 1;
	final long min = TEST_DATA[0].id;
	final long max = TEST_DATA[TEST_DATA.length - fetchSize].id;
	ParameterValuesProvider pramProvider = new NumericBetweenParametersProvider(min, max).ofBatchSize(fetchSize);
	jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
			.setDrivername(DRIVER_CLASS)
			.setDBUrl(DB_URL)
			.setQuery(JDBCTestBase.SELECT_ALL_BOOKS_SPLIT_BY_ID)
			.setRowTypeInfo(ROW_TYPE_INFO)
			.setParametersProvider(pramProvider)
			.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)
			.finish();

	jdbcInputFormat.openInputFormat();
	InputSplit[] splits = jdbcInputFormat.createInputSplits(1);
	//this query exploit parallelism (1 split for every id)
	Assert.assertEquals(TEST_DATA.length, splits.length);
	int recordCount = 0;
	Row row =  new Row(5);
	for (InputSplit split : splits) {
		jdbcInputFormat.open(split);
		while (!jdbcInputFormat.reachedEnd()) {
			Row next = jdbcInputFormat.nextRecord(row);

			assertEquals(TEST_DATA[recordCount], next);

			recordCount++;
		}
		jdbcInputFormat.close();
	}
	jdbcInputFormat.closeInputFormat();
	Assert.assertEquals(TEST_DATA.length, recordCount);
}
Example #7
Source File: JDBCInputFormatTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Test
public void testJDBCInputFormatWithoutParallelismAndNumericColumnSplitting() throws IOException {
	final long min = TEST_DATA[0].id;
	final long max = TEST_DATA[TEST_DATA.length - 1].id;
	final long fetchSize = max + 1; //generate a single split
	ParameterValuesProvider pramProvider = new NumericBetweenParametersProvider(min, max).ofBatchSize(fetchSize);
	jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
			.setDrivername(DRIVER_CLASS)
			.setDBUrl(DB_URL)
			.setQuery(JDBCTestBase.SELECT_ALL_BOOKS_SPLIT_BY_ID)
			.setRowTypeInfo(ROW_TYPE_INFO)
			.setParametersProvider(pramProvider)
			.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)
			.finish();

	jdbcInputFormat.openInputFormat();
	InputSplit[] splits = jdbcInputFormat.createInputSplits(1);
	//assert that a single split was generated
	Assert.assertEquals(1, splits.length);
	int recordCount = 0;
	Row row =  new Row(5);
	for (InputSplit split : splits) {
		jdbcInputFormat.open(split);
		while (!jdbcInputFormat.reachedEnd()) {
			Row next = jdbcInputFormat.nextRecord(row);

			assertEquals(TEST_DATA[recordCount], next);

			recordCount++;
		}
		jdbcInputFormat.close();
	}
	jdbcInputFormat.closeInputFormat();
	Assert.assertEquals(TEST_DATA.length, recordCount);
}
Example #8
Source File: JDBCInputFormatTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Test
public void testJDBCInputFormatWithParallelismAndNumericColumnSplitting() throws IOException {
	final int fetchSize = 1;
	final long min = TEST_DATA[0].id;
	final long max = TEST_DATA[TEST_DATA.length - fetchSize].id;
	ParameterValuesProvider pramProvider = new NumericBetweenParametersProvider(min, max).ofBatchSize(fetchSize);
	jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
			.setDrivername(DERBY_EBOOKSHOP_DB.getDriverClass())
			.setDBUrl(DERBY_EBOOKSHOP_DB.getUrl())
			.setQuery(SELECT_ALL_BOOKS_SPLIT_BY_ID)
			.setRowTypeInfo(ROW_TYPE_INFO)
			.setParametersProvider(pramProvider)
			.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)
			.finish();

	jdbcInputFormat.openInputFormat();
	InputSplit[] splits = jdbcInputFormat.createInputSplits(1);
	//this query exploit parallelism (1 split for every id)
	Assert.assertEquals(TEST_DATA.length, splits.length);
	int recordCount = 0;
	Row row =  new Row(5);
	for (InputSplit split : splits) {
		jdbcInputFormat.open(split);
		while (!jdbcInputFormat.reachedEnd()) {
			Row next = jdbcInputFormat.nextRecord(row);

			assertEquals(TEST_DATA[recordCount], next);

			recordCount++;
		}
		jdbcInputFormat.close();
	}
	jdbcInputFormat.closeInputFormat();
	Assert.assertEquals(TEST_DATA.length, recordCount);
}
Example #9
Source File: JDBCInputFormatTest.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Test
public void testJDBCInputFormatWithoutParallelismAndNumericColumnSplitting() throws IOException {
	final long min = TEST_DATA[0].id;
	final long max = TEST_DATA[TEST_DATA.length - 1].id;
	final long fetchSize = max + 1; //generate a single split
	ParameterValuesProvider pramProvider = new NumericBetweenParametersProvider(min, max).ofBatchSize(fetchSize);
	jdbcInputFormat = JDBCInputFormat.buildJDBCInputFormat()
			.setDrivername(DERBY_EBOOKSHOP_DB.getDriverClass())
			.setDBUrl(DERBY_EBOOKSHOP_DB.getUrl())
			.setQuery(SELECT_ALL_BOOKS_SPLIT_BY_ID)
			.setRowTypeInfo(ROW_TYPE_INFO)
			.setParametersProvider(pramProvider)
			.setResultSetType(ResultSet.TYPE_SCROLL_INSENSITIVE)
			.finish();

	jdbcInputFormat.openInputFormat();
	InputSplit[] splits = jdbcInputFormat.createInputSplits(1);
	//assert that a single split was generated
	Assert.assertEquals(1, splits.length);
	int recordCount = 0;
	Row row =  new Row(5);
	for (InputSplit split : splits) {
		jdbcInputFormat.open(split);
		while (!jdbcInputFormat.reachedEnd()) {
			Row next = jdbcInputFormat.nextRecord(row);

			assertEquals(TEST_DATA[recordCount], next);

			recordCount++;
		}
		jdbcInputFormat.close();
	}
	jdbcInputFormat.closeInputFormat();
	Assert.assertEquals(TEST_DATA.length, recordCount);
}
Example #10
Source File: JDBCInputFormat.java    From Flink-CEPplus with Apache License 2.0 4 votes vote down vote up 
public JDBCInputFormatBuilder setParametersProvider(ParameterValuesProvider parameterValuesProvider) {
	format.parameterValues = parameterValuesProvider.getParameterValues();
	return this;
}
Example #11
Source File: JDBCInputFormat.java    From flink with Apache License 2.0 4 votes vote down vote up 
public JDBCInputFormatBuilder setParametersProvider(ParameterValuesProvider parameterValuesProvider) {
	format.parameterValues = parameterValuesProvider.getParameterValues();
	return this;
}