swapna267 commented on code in PR #12191:
URL: https://github.com/apache/iceberg/pull/12191#discussion_r1947376035
##########
flink/v1.20/flink/src/test/java/org/apache/iceberg/flink/source/TestIcebergSourceSql.java:
##########
@@ -162,4 +173,74 @@ public void testWatermarkOptionsDescending() throws
Exception {
expected,
SCHEMA_TS);
}
+
+ @Test
+ public void testWatermarkInvalidConfig() {
+ CATALOG_EXTENSION.catalog().createTable(TestFixtures.TABLE_IDENTIFIER,
SCHEMA_TS);
+
+ String flinkTable = "`default_catalog`.`default_database`.flink_table";
+ try {
+ SqlHelpers.sql(
+ getStreamingTableEnv(),
+ "CREATE TABLE %s "
+ + "(t1 TIMESTAMP(6), "
+ + "t2 BIGINT,"
+ + "eventTS AS CAST(t1 AS TIMESTAMP(3)), "
+ + "WATERMARK FOR eventTS AS SOURCE_WATERMARK()) WITH %s",
+ flinkTable,
+ SqlBase.toWithClause(getConnectorOptions()));
+
+ assertThatThrownBy(
+ () -> SqlHelpers.sql(getStreamingTableEnv(), "SELECT * FROM %s",
flinkTable))
+ .isInstanceOf(NullPointerException.class)
+ .hasMessage("watermark-column needs to be configured to use source
watermark.");
+ } finally {
+ SqlHelpers.sql(getStreamingTableEnv(), "DROP TABLE IF EXISTS %s",
flinkTable);
Review Comment:
Flink dynamic table is created only in specific tests in this class, so was
handling here. But can do in after to improve readability.
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