RussellSpitzer commented on code in PR #11419: URL: https://github.com/apache/iceberg/pull/11419#discussion_r1828006209
########## spark/v3.3/spark/src/test/java/org/apache/iceberg/spark/source/TestDataFrameWriterV2.java: ########## @@ -226,4 +229,100 @@ public void testWriteWithCaseSensitiveOption() throws NoSuchTableException, Pars fields = Spark3Util.loadIcebergTable(sparkSession, tableName).schema().asStruct().fields(); Assert.assertEquals(4, fields.size()); } + + @Test + public void testMergeSchemaIgnoreDowncast() throws Exception { + //// test long to int ignore case + sql( + "ALTER TABLE %s SET TBLPROPERTIES ('%s'='true')", + tableName, TableProperties.SPARK_WRITE_ACCEPT_ANY_SCHEMA); + + Dataset<Row> bigintDF = + jsonToDF( + "id bigint, data string", + "{ \"id\": 1, \"data\": \"a\" }", + "{ \"id\": 2, \"data\": \"b\" }"); + + bigintDF.writeTo(tableName).append(); + + assertEquals( + "Should have initial rows with long column", + ImmutableList.of(row(1L, "a"), row(2L, "b")), + sql("select * from %s order by id", tableName)); + + Dataset<Row> intDF = + jsonToDF( + "id int, data string", + "{ \"id\": 3, \"data\": \"c\" }", + "{ \"id\": 4, \"data\": \"d\" }"); + + try { Review Comment: We are using assertJ which has a fun little wrapper for this ```java assertThatCode(() -> 1 + 1).doesNotThrowAnyException();; ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org