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");
}
