xuzifu666 commented on code in PR #4287:
URL: https://github.com/apache/calcite/pull/4287#discussion_r2036401919
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core/src/test/java/org/apache/calcite/rel/rel2sql/RelToSqlConverterTest.java:
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@@ -9474,6 +9473,40 @@ private void checkLiteral2(String expression, String
expected) {
sql(sql).ok(expected);
}
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-6940";>[CALCITE-6940]
+ * Hive/Phoenix Dialect should not cast to REAL type directly</a>. */
+ @Test void testRealTypesCast() {
+ String query = "SELECT CAST(\"department_id\" AS float), "
+ + "CAST(\"department_id\" AS double), "
+ + "CAST(\"department_id\" AS real) FROM \"employee\"";
+ String expectedPhoenix = "SELECT CAST(\"department_id\" AS FLOAT), "
+ + "CAST(\"department_id\" AS DOUBLE), "
+ + "CAST(\"department_id\" AS FLOAT)\nFROM \"foodmart\".\"employee\"";
+ String expectedHive = "SELECT CAST(`department_id` AS FLOAT), "
+ + "CAST(`department_id` AS DOUBLE), "
+ + "CAST(`department_id` AS FLOAT)\nFROM `foodmart`.`employee`";
+
+ sql(query)
+ .withPhoenix().ok(expectedPhoenix)
+ .withHive().ok(expectedHive);
+ }
+
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-6940";>[CALCITE-6940]
+ * Hive/Phoenix Dialect should not cast to REAL type directly</a>. */
+ @Test void testRealArrayOrMapTypesCast() {
+ String query = "SELECT CAST(array[1,2,3] AS real array) FROM \"employee\"";
+ sql(query)
+ .withPhoenix().throws_("Phoenix dialect can not support cast to ARRAY")
Review Comment:
Thanks, done.
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