danny0405 commented on a change in pull request #1066: [CALCITE-2843] Babel
parser should support PostgreSQL casting operator '::'
URL: https://github.com/apache/calcite/pull/1066#discussion_r300819432
##########
File path: babel/src/test/java/org/apache/calcite/test/BabelParserTest.java
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@@ -219,6 +220,13 @@ private void checkExNotNull(SqlParserUtil.StringAndPos
sap, Throwable thrown) {
}
};
}
+
+ @Test public void testParsingPGCastingOperator() throws SqlParseException {
+ String query = "SELECT x::integer FROM (VALUES (1, 2)) as tbl(x,y)";
+ String expected = "SELECT `X` :: INTEGER\n"
+ + "FROM (VALUES (ROW(1, 2))) AS `TBL` (`X`, `Y`)";
+ sql(query).ok(expected);
Review comment:
Please add enough test for all the target data type cast for the babel.
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