org.apache.flink.table.sources.BatchTableSource Java Examples

The following examples show how to use org.apache.flink.table.sources.BatchTableSource. 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: JavaTableSourceITCase.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Test
public void testBatchTableSourceTableAPI() throws Exception {

	ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
	BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env, config());
	BatchTableSource csvTable = CommonTestData.getCsvTableSource();

	tableEnv.registerTableSource("persons", csvTable);

	Table result = tableEnv.scan("persons")
		.select("id, first, last, score");

	DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class);
	List<Row> results = resultSet.collect();

	String expected = "1,Mike,Smith,12.3\n" +
		"2,Bob,Taylor,45.6\n" +
		"3,Sam,Miller,7.89\n" +
		"4,Peter,Smith,0.12\n" +
		"5,Liz,Williams,34.5\n" +
		"6,Sally,Miller,6.78\n" +
		"7,Alice,Smith,90.1\n" +
		"8,Kelly,Williams,2.34\n";

	compareResultAsText(results, expected);
}
Example #2
Source File: JavaTableSourceITCase.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up 
@Test
public void testBatchTableSourceSQL() throws Exception {
	ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
	BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env, config());
	BatchTableSource csvTable = CommonTestData.getCsvTableSource();

	tableEnv.registerTableSource("persons", csvTable);

	Table result = tableEnv
		.sqlQuery("SELECT `last`, FLOOR(id), score * 2 FROM persons WHERE score < 20");

	DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class);
	List<Row> results = resultSet.collect();

	String expected = "Smith,1,24.6\n" +
		"Miller,3,15.78\n" +
		"Smith,4,0.24\n" +
		"Miller,6,13.56\n" +
		"Williams,8,4.68\n";

	compareResultAsText(results, expected);
}
Example #3
Source File: JavaTableSourceITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void testBatchTableSourceTableAPI() throws Exception {

	ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
	BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env, config());
	BatchTableSource csvTable = CommonTestData.getCsvTableSource();

	tableEnv.registerTableSource("persons", csvTable);

	Table result = tableEnv.scan("persons")
		.select("id, first, last, score");

	DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class);
	List<Row> results = resultSet.collect();

	String expected = "1,Mike,Smith,12.3\n" +
		"2,Bob,Taylor,45.6\n" +
		"3,Sam,Miller,7.89\n" +
		"4,Peter,Smith,0.12\n" +
		"5,Liz,Williams,34.5\n" +
		"6,Sally,Miller,6.78\n" +
		"7,Alice,Smith,90.1\n" +
		"8,Kelly,Williams,2.34\n";

	compareResultAsText(results, expected);
}
Example #4
Source File: JavaTableSourceITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void testBatchTableSourceSQL() throws Exception {
	ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
	BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env, config());
	BatchTableSource csvTable = CommonTestData.getCsvTableSource();

	tableEnv.registerTableSource("persons", csvTable);

	Table result = tableEnv
		.sqlQuery("SELECT `last`, FLOOR(id), score * 2 FROM persons WHERE score < 20");

	DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class);
	List<Row> results = resultSet.collect();

	String expected = "Smith,1,24.6\n" +
		"Miller,3,15.78\n" +
		"Smith,4,0.24\n" +
		"Miller,6,13.56\n" +
		"Williams,8,4.68\n";

	compareResultAsText(results, expected);
}
Example #5
Source File: JavaTableSourceITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void testBatchTableSourceTableAPI() throws Exception {

	ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
	BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env, config());
	BatchTableSource csvTable = CommonTestData.getCsvTableSource();

	((TableEnvironmentInternal) tableEnv).registerTableSourceInternal("persons", csvTable);

	Table result = tableEnv.scan("persons")
		.select($("id"), $("first"), $("last"), $("score"));

	DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class);
	List<Row> results = resultSet.collect();

	String expected = "1,Mike,Smith,12.3\n" +
		"2,Bob,Taylor,45.6\n" +
		"3,Sam,Miller,7.89\n" +
		"4,Peter,Smith,0.12\n" +
		"5,Liz,Williams,34.5\n" +
		"6,Sally,Miller,6.78\n" +
		"7,Alice,Smith,90.1\n" +
		"8,Kelly,Williams,2.34\n";

	compareResultAsText(results, expected);
}
Example #6
Source File: JavaTableSourceITCase.java    From flink with Apache License 2.0 6 votes vote down vote up 
@Test
public void testBatchTableSourceSQL() throws Exception {
	ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
	BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env, config());
	BatchTableSource csvTable = CommonTestData.getCsvTableSource();

	((TableEnvironmentInternal) tableEnv).registerTableSourceInternal("persons", csvTable);

	Table result = tableEnv
		.sqlQuery("SELECT `last`, FLOOR(id), score * 2 FROM persons WHERE score < 20");

	DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class);
	List<Row> results = resultSet.collect();

	String expected = "Smith,1,24.6\n" +
		"Miller,3,15.78\n" +
		"Smith,4,0.24\n" +
		"Miller,6,13.56\n" +
		"Williams,8,4.68\n";

	compareResultAsText(results, expected);
}
Example #7
Source File: FlinkPravegaBatchTableSourceFactory.java    From flink-connectors with Apache License 2.0 4 votes vote down vote up 
@Override
public BatchTableSource<Row> createBatchTableSource(Map<String, String> properties) {
    return createFlinkPravegaTableSource(properties);
}
Example #8
Source File: BatchTableSourceFactory.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Creates and configures a {@link BatchTableSource} using the given properties.
 *
 * @param properties normalized properties describing a batch table source.
 * @return the configured batch table source.
 */
BatchTableSource<T> createBatchTableSource(Map<String, String> properties);
Example #9
Source File: BatchTableSourceFactory.java    From flink with Apache License 2.0 2 votes vote down vote up 
/**
 * Creates and configures a {@link BatchTableSource} using the given properties.
 *
 * @param properties normalized properties describing a batch table source.
 * @return the configured batch table source.
 */
BatchTableSource<T> createBatchTableSource(Map<String, String> properties);