ijokarumawak commented on a change in pull request #971: [CALCITE-1703]
Functions on TIMESTAMP column throws ClassCastException
URL: https://github.com/apache/calcite/pull/971#discussion_r273301178
##########
File path: core/src/test/java/org/apache/calcite/test/ObjectArrayTableTest.java
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@@ -241,6 +244,35 @@ private void withJavaSqlDateTypes(TestWithConnection
test) throws SQLException {
});
}
+
+ /**
+ * Test to confirm java.sql.Timestamp can be casted to Timestamp with
different precision.
+ * The cast should be done the same as with TIMESTAMP literal.
+ */
+ @Test public void testCastTimestampToTimestamp() throws SQLException {
+
+ withJavaSqlDateTypes(connection -> {
+
+ Statement statement = connection.createStatement();
+ final String sql = "select %s as EXPECTED, %s as ACTUAL from
\"java_sql_date_types\"";
+
+ for (int i = 3; i >= 0; i--) {
+ final String castTo = format(Locale.ROOT, "TIMESTAMP(%d)", i);
Review comment:
Changed to simple string concatenation using `+`.
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