xuyangzhong commented on code in PR #1726:
URL: https://github.com/apache/fluss/pull/1726#discussion_r2367809285
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fluss-flink/fluss-flink-2.1/src/test/java/org/apache/fluss/flink/source/Flink21TableSourceITCase.java:
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@@ -17,5 +17,127 @@
package org.apache.fluss.flink.source;
+import org.apache.fluss.metadata.TablePath;
+import org.apache.fluss.row.InternalRow;
+
+import org.apache.flink.table.api.config.ExecutionConfigOptions;
+import org.apache.flink.table.api.config.OptimizerConfigOptions;
+import org.apache.flink.types.Row;
+import org.apache.flink.util.CloseableIterator;
+import org.junit.jupiter.api.Test;
+
+import java.util.Arrays;
+import java.util.List;
+
+import static
org.apache.fluss.flink.source.testutils.FlinkRowAssertionsUtils.assertResultsIgnoreOrder;
+import static org.apache.fluss.flink.utils.FlinkTestBase.writeRows;
+import static org.apache.fluss.testutils.DataTestUtils.row;
+import static org.assertj.core.api.Assertions.assertThat;
+
/** IT case for {@link FlinkTableSource} in Flink 2.1. */
-public class Flink21TableSourceITCase extends FlinkTableSourceITCase {}
+public class Flink21TableSourceITCase extends FlinkTableSourceITCase {
+
+ @Test
+ void testDeltaJoin() throws Exception {
+
tEnv.getConfig().set(ExecutionConfigOptions.TABLE_EXEC_RESOURCE_DEFAULT_PARALLELISM,
2);
+
+ String leftTableName = "left_table";
+ tEnv.executeSql(
+ String.format(
+ "create table %s ( "
+ + " a1 int, "
+ + " b1 varchar, "
+ + " c1 bigint, "
+ + " d1 int, "
+ + " e1 bigint, "
+ + " primary key (c1, d1) NOT ENFORCED"
+ + ") with ("
+ + " 'connector' = 'fluss', "
+ + " 'bucket.key' = 'c1', "
+ // currently, delta join only support
append-only source
+ + " 'table.merge-engine' = 'first_row' "
+ + ")",
+ leftTableName));
+ List<InternalRow> rows1 =
+ Arrays.asList(
+ row(1, "v1", 100L, 1, 10000L),
+ row(2, "v2", 200L, 2, 20000L),
+ // dropped because of first row
+ row(3, "v1", 300L, 3, 30000L),
+ row(4, "v4", 400L, 4, 40000L));
+ // write records and wait generate snapshot.
Review Comment:
Replace this comment to `// write records`
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