rdblue commented on code in PR #6402:
URL: https://github.com/apache/iceberg/pull/6402#discussion_r1050278958
##########
flink/v1.16/flink/src/test/java/org/apache/iceberg/flink/source/TestFlinkTableSource.java:
##########
@@ -603,7 +605,103 @@ public void testFilterPushDown2Literal() {
}
@Test
- public void testSqlParseNaN() {
- // todo add some test case to test NaN
+ public void testFilterNaN() {
+ sql(
+ "CREATE TABLE %s (id INT, data VARCHAR,d DOUBLE, f FLOAT) WITH
('write.format.default'='%s')",
+ TABLE_NAME_NAN, format.name());
+ sql(
+ "INSERT INTO %s VALUES (1,'iceberg',10,
1.1),(2,'b',20,2.2),(3,CAST(NULL AS VARCHAR),30,3.3),(4,'d',CAST('NaN' AS
DOUBLE),4.4)",
+ TABLE_NAME_NAN);
+
+ String sqlNaNDoubleEqual =
+ String.format("SELECT * FROM %s WHERE d = CAST('NaN' AS DOUBLE) ",
TABLE_NAME_NAN);
+ List<Row> resultDoubleEqual = sql(sqlNaNDoubleEqual);
+ Assert.assertEquals("Should have 0 records", 0, resultDoubleEqual.size());
Review Comment:
See my note below on this.
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