Java Code Examples for org.apache.flink.table.api.java.BatchTableEnvironment#registerTableSource()
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org.apache.flink.table.api.java.BatchTableEnvironment#registerTableSource() .
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Example 1
Source File: JavaTableSourceITCase.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
@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 |
@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 |
@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 |
@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: ParquetTableSourceITCase.java From flink with Apache License 2.0 | 6 votes |
@Test public void testFullScan() throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); BatchTableEnvironment batchTableEnvironment = BatchTableEnvironment.create(env); ParquetTableSource tableSource = createParquetTableSource(testPath); batchTableEnvironment.registerTableSource("ParquetTable", tableSource); String query = "SELECT foo " + "FROM ParquetTable"; Table table = batchTableEnvironment.sqlQuery(query); DataSet<Row> dataSet = batchTableEnvironment.toDataSet(table, Row.class); List<Row> result = dataSet.collect(); assertEquals(1000, result.size()); }
Example 6
Source File: ParquetTableSourceITCase.java From flink with Apache License 2.0 | 6 votes |
@Test public void testScanWithProjectionAndFilter() throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); BatchTableEnvironment batchTableEnvironment = BatchTableEnvironment.create(env); ParquetTableSource tableSource = createParquetTableSource(testPath); batchTableEnvironment.registerTableSource("ParquetTable", tableSource); String query = "SELECT foo " + "FROM ParquetTable WHERE bar.spam >= 30 AND CARDINALITY(arr) >= 1 AND arr[1] <= 50"; Table table = batchTableEnvironment.sqlQuery(query); DataSet<Row> dataSet = batchTableEnvironment.toDataSet(table, Row.class); List<Row> result = dataSet.collect(); assertEquals(21, result.size()); }
Example 7
Source File: HBaseConnectorITCase.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
@Test public void testTableSourceFullScan() throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(4); BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env, new TableConfig()); HBaseTableSource hbaseTable = new HBaseTableSource(getConf(), TEST_TABLE); hbaseTable.addColumn(FAMILY1, F1COL1, Integer.class); hbaseTable.addColumn(FAMILY2, F2COL1, String.class); hbaseTable.addColumn(FAMILY2, F2COL2, Long.class); hbaseTable.addColumn(FAMILY3, F3COL1, Double.class); hbaseTable.addColumn(FAMILY3, F3COL2, Boolean.class); hbaseTable.addColumn(FAMILY3, F3COL3, String.class); tableEnv.registerTableSource("hTable", hbaseTable); Table result = tableEnv.sqlQuery( "SELECT " + " h.family1.col1, " + " h.family2.col1, " + " h.family2.col2, " + " h.family3.col1, " + " h.family3.col2, " + " h.family3.col3 " + "FROM hTable AS h" ); DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class); List<Row> results = resultSet.collect(); String expected = "10,Hello-1,100,1.01,false,Welt-1\n" + "20,Hello-2,200,2.02,true,Welt-2\n" + "30,Hello-3,300,3.03,false,Welt-3\n" + "40,null,400,4.04,true,Welt-4\n" + "50,Hello-5,500,5.05,false,Welt-5\n" + "60,Hello-6,600,6.06,true,Welt-6\n" + "70,Hello-7,700,7.07,false,Welt-7\n" + "80,null,800,8.08,true,Welt-8\n"; TestBaseUtils.compareResultAsText(results, expected); }
Example 8
Source File: HBaseConnectorITCase.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
@Test public void testTableSourceProjection() throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(4); BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env, new TableConfig()); HBaseTableSource hbaseTable = new HBaseTableSource(getConf(), TEST_TABLE); hbaseTable.addColumn(FAMILY1, F1COL1, Integer.class); hbaseTable.addColumn(FAMILY2, F2COL1, String.class); hbaseTable.addColumn(FAMILY2, F2COL2, Long.class); hbaseTable.addColumn(FAMILY3, F3COL1, Double.class); hbaseTable.addColumn(FAMILY3, F3COL2, Boolean.class); hbaseTable.addColumn(FAMILY3, F3COL3, String.class); tableEnv.registerTableSource("hTable", hbaseTable); Table result = tableEnv.sqlQuery( "SELECT " + " h.family1.col1, " + " h.family3.col1, " + " h.family3.col2, " + " h.family3.col3 " + "FROM hTable AS h" ); DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class); List<Row> results = resultSet.collect(); String expected = "10,1.01,false,Welt-1\n" + "20,2.02,true,Welt-2\n" + "30,3.03,false,Welt-3\n" + "40,4.04,true,Welt-4\n" + "50,5.05,false,Welt-5\n" + "60,6.06,true,Welt-6\n" + "70,7.07,false,Welt-7\n" + "80,8.08,true,Welt-8\n"; TestBaseUtils.compareResultAsText(results, expected); }
Example 9
Source File: HBaseConnectorITCase.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
@Test public void testTableSourceFieldOrder() throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(4); BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env, new TableConfig()); HBaseTableSource hbaseTable = new HBaseTableSource(getConf(), TEST_TABLE); // shuffle order of column registration hbaseTable.addColumn(FAMILY2, F2COL1, String.class); hbaseTable.addColumn(FAMILY3, F3COL1, Double.class); hbaseTable.addColumn(FAMILY1, F1COL1, Integer.class); hbaseTable.addColumn(FAMILY2, F2COL2, Long.class); hbaseTable.addColumn(FAMILY3, F3COL2, Boolean.class); hbaseTable.addColumn(FAMILY3, F3COL3, String.class); tableEnv.registerTableSource("hTable", hbaseTable); Table result = tableEnv.sqlQuery( "SELECT * FROM hTable AS h" ); DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class); List<Row> results = resultSet.collect(); String expected = "Hello-1,100,1.01,false,Welt-1,10\n" + "Hello-2,200,2.02,true,Welt-2,20\n" + "Hello-3,300,3.03,false,Welt-3,30\n" + "null,400,4.04,true,Welt-4,40\n" + "Hello-5,500,5.05,false,Welt-5,50\n" + "Hello-6,600,6.06,true,Welt-6,60\n" + "Hello-7,700,7.07,false,Welt-7,70\n" + "null,800,8.08,true,Welt-8,80\n"; TestBaseUtils.compareResultAsText(results, expected); }
Example 10
Source File: HBaseConnectorITCase.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
@Test public void testTableSourceReadAsByteArray() throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(4); BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env, new TableConfig()); // fetch row2 from the table till the end HBaseTableSource hbaseTable = new HBaseTableSource(getConf(), TEST_TABLE); hbaseTable.addColumn(FAMILY2, F2COL1, byte[].class); hbaseTable.addColumn(FAMILY2, F2COL2, byte[].class); tableEnv.registerTableSource("hTable", hbaseTable); tableEnv.registerFunction("toUTF8", new ToUTF8()); tableEnv.registerFunction("toLong", new ToLong()); Table result = tableEnv.sqlQuery( "SELECT " + " toUTF8(h.family2.col1), " + " toLong(h.family2.col2) " + "FROM hTable AS h" ); DataSet<Row> resultSet = tableEnv.toDataSet(result, Row.class); List<Row> results = resultSet.collect(); String expected = "Hello-1,100\n" + "Hello-2,200\n" + "Hello-3,300\n" + "null,400\n" + "Hello-5,500\n" + "Hello-6,600\n" + "Hello-7,700\n" + "null,800\n"; TestBaseUtils.compareResultAsText(results, expected); }
Example 11
Source File: OrcTableSourceITCase.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
@Test public void testFullScan() throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); BatchTableEnvironment tEnv = BatchTableEnvironment.create(env); OrcTableSource orc = OrcTableSource.builder() .path(getPath(TEST_FILE_FLAT)) .forOrcSchema(TEST_SCHEMA_FLAT) .build(); tEnv.registerTableSource("OrcTable", orc); String query = "SELECT COUNT(*), " + "MIN(_col0), MAX(_col0), " + "MIN(_col1), MAX(_col1), " + "MIN(_col2), MAX(_col2), " + "MIN(_col3), MAX(_col3), " + "MIN(_col4), MAX(_col4), " + "MIN(_col5), MAX(_col5), " + "MIN(_col6), MAX(_col6), " + "MIN(_col7), MAX(_col7), " + "MIN(_col8), MAX(_col8) " + "FROM OrcTable"; Table t = tEnv.sqlQuery(query); DataSet<Row> dataSet = tEnv.toDataSet(t, Row.class); List<Row> result = dataSet.collect(); assertEquals(1, result.size()); assertEquals( "1920800,1,1920800,F,M,D,W,2 yr Degree,Unknown,500,10000,Good,Unknown,0,6,0,6,0,6", result.get(0).toString()); }
Example 12
Source File: OrcTableSourceITCase.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
@Test public void testScanWithProjectionAndFilter() throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); BatchTableEnvironment tEnv = BatchTableEnvironment.create(env); OrcTableSource orc = OrcTableSource.builder() .path(getPath(TEST_FILE_FLAT)) .forOrcSchema(TEST_SCHEMA_FLAT) .build(); tEnv.registerTableSource("OrcTable", orc); String query = "SELECT " + "MIN(_col4), MAX(_col4), " + "MIN(_col3), MAX(_col3), " + "MIN(_col0), MAX(_col0), " + "MIN(_col2), MAX(_col2), " + "COUNT(*) " + "FROM OrcTable " + "WHERE (_col0 BETWEEN 4975 and 5024 OR _col0 BETWEEN 9975 AND 10024) AND _col1 = 'F'"; Table t = tEnv.sqlQuery(query); DataSet<Row> dataSet = tEnv.toDataSet(t, Row.class); List<Row> result = dataSet.collect(); assertEquals(1, result.size()); assertEquals( "1500,6000,2 yr Degree,Unknown,4976,10024,D,W,50", result.get(0).toString()); }
Example 13
Source File: OrcTableSourceITCase.java From flink with Apache License 2.0 | 5 votes |
@Test public void testFullScan() throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); BatchTableEnvironment tEnv = BatchTableEnvironment.create(env); OrcTableSource orc = OrcTableSource.builder() .path(getPath(TEST_FILE_FLAT)) .forOrcSchema(TEST_SCHEMA_FLAT) .build(); tEnv.registerTableSource("OrcTable", orc); String query = "SELECT COUNT(*), " + "MIN(_col0), MAX(_col0), " + "MIN(_col1), MAX(_col1), " + "MIN(_col2), MAX(_col2), " + "MIN(_col3), MAX(_col3), " + "MIN(_col4), MAX(_col4), " + "MIN(_col5), MAX(_col5), " + "MIN(_col6), MAX(_col6), " + "MIN(_col7), MAX(_col7), " + "MIN(_col8), MAX(_col8) " + "FROM OrcTable"; Table t = tEnv.sqlQuery(query); DataSet<Row> dataSet = tEnv.toDataSet(t, Row.class); List<Row> result = dataSet.collect(); assertEquals(1, result.size()); assertEquals( "1920800,1,1920800,F,M,D,W,2 yr Degree,Unknown,500,10000,Good,Unknown,0,6,0,6,0,6", result.get(0).toString()); }
Example 14
Source File: OrcTableSourceITCase.java From flink with Apache License 2.0 | 5 votes |
@Test public void testScanWithProjectionAndFilter() throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); BatchTableEnvironment tEnv = BatchTableEnvironment.create(env); OrcTableSource orc = OrcTableSource.builder() .path(getPath(TEST_FILE_FLAT)) .forOrcSchema(TEST_SCHEMA_FLAT) .build(); tEnv.registerTableSource("OrcTable", orc); String query = "SELECT " + "MIN(_col4), MAX(_col4), " + "MIN(_col3), MAX(_col3), " + "MIN(_col0), MAX(_col0), " + "MIN(_col2), MAX(_col2), " + "COUNT(*) " + "FROM OrcTable " + "WHERE (_col0 BETWEEN 4975 and 5024 OR _col0 BETWEEN 9975 AND 10024) AND _col1 = 'F'"; Table t = tEnv.sqlQuery(query); DataSet<Row> dataSet = tEnv.toDataSet(t, Row.class); List<Row> result = dataSet.collect(); assertEquals(1, result.size()); assertEquals( "1500,6000,2 yr Degree,Unknown,4976,10024,D,W,50", result.get(0).toString()); }
Example 15
Source File: SpendReport.java From flink with Apache License 2.0 | 5 votes |
public static void main(String[] args) throws Exception { ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment(); BatchTableEnvironment tEnv = BatchTableEnvironment.create(env); tEnv.registerTableSource("transactions", new BoundedTransactionTableSource()); tEnv.registerTableSink("spend_report", new SpendReportTableSink()); tEnv.registerFunction("truncateDateToHour", new TruncateDateToHour()); tEnv .scan("transactions") .insertInto("spend_report"); env.execute("Spend Report"); }