hailin0 commented on code in PR #8438:
URL: https://github.com/apache/seatunnel/pull/8438#discussion_r1904194588
##########
seatunnel-transforms-v2/src/test/java/org/apache/seatunnel/transform/sql/SQLTransformTest.java:
##########
@@ -282,4 +290,110 @@ public void testEscapeIdentifier() {
BasicType.STRING_TYPE,
tableSchema.getColumns().get(1).getDataType());
Assertions.assertEquals("a", result.get(0).getField(1));
}
+
+ @Test
+ public void testSchemaChange() {
+ CatalogTable catalogTable =
+ CatalogTable.of(
+ TableIdentifier.of(TEST_NAME, TEST_NAME, null,
TEST_NAME),
+ TableSchema.builder()
+ .column(
+ PhysicalColumn.of(
+ "f1",
+ BasicType.LONG_TYPE,
+ null,
+ null,
+ false,
+ null,
+ null))
+ .column(
+ PhysicalColumn.of(
+ "f2",
+ BasicType.LONG_TYPE,
+ null,
+ null,
+ true,
+ null,
+ null))
+ .column(
+ PhysicalColumn.of(
+ "f3",
+ BasicType.LONG_TYPE,
+ null,
+ null,
+ true,
+ null,
+ null))
+ .primaryKey(PrimaryKey.of("pk1",
Arrays.asList("f1")))
+ .constraintKey(
+ ConstraintKey.of(
+
ConstraintKey.ConstraintType.UNIQUE_KEY,
+ "uk1",
+ Arrays.asList(
+
ConstraintKey.ConstraintKeyColumn.of(
+ "f2",
+
ConstraintKey.ColumnSortType.ASC),
+
ConstraintKey.ConstraintKeyColumn.of(
+ "f3",
+
ConstraintKey.ColumnSortType.ASC))))
+ .build(),
+ Collections.emptyMap(),
+ Collections.singletonList("f2"),
+ null);
+
+ AlterTableAddColumnEvent addColumnEvent =
+ AlterTableAddColumnEvent.add(
+ catalogTable.getTableId(),
+ PhysicalColumn.of("f4", BasicType.LONG_TYPE, null,
null, true, null, null));
+ AlterTableModifyColumnEvent modifyColumnEvent =
+ AlterTableModifyColumnEvent.modify(
+ catalogTable.getTableId(),
+ PhysicalColumn.of("f4", BasicType.INT_TYPE, null,
null, true, null, null));
+ AlterTableChangeColumnEvent changeColumnEvent =
+ AlterTableChangeColumnEvent.change(
+ catalogTable.getTableId(),
+ "f4",
+ PhysicalColumn.of("f5", BasicType.INT_TYPE, null,
null, true, null, null));
+ AlterTableDropColumnEvent dropColumnEvent =
+ new AlterTableDropColumnEvent(catalogTable.getTableId(), "f5");
+ ReadonlyConfig config =
+ ReadonlyConfig.fromMap(
+ new HashMap<String, Object>() {
+ {
+ put("query", "select * from dual");
+ }
+ });
+
+ SQLTransform transform = new SQLTransform(config, catalogTable);
Review Comment:
testcase flow:
```
map(row)
mapSchemaChangeEvent(add-column)
map(row)
check output-row & output-event & table-schema
mapSchemaChangeEvent(rename-column)
map(row)
check output-row & output-event & table-schema
mapSchemaChangeEvent(update-column)
map(row)
check output-row & output-event & table-schema
mapSchemaChangeEvent(drop-column)
map(row)
check data & table-schema
```
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