MGelbana 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_r293664776
##########
File path:
core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java
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@@ -270,6 +270,11 @@
null,
OperandTypes.EXACT_NUMERIC_EXACT_NUMERIC);
+ /**
+ * Casting operator used by PostgreSQL '<code>::</code>'.
+ */
+ public static final SqlBinaryOperator PG_CAST = new PostgreSQLCastOperator();
+
Review comment:
Understood, but what if the query wasn't originally written this way ?
Besides, parsing a binary operator and producing a function isn't easy and it
would complicate this part of the parser for not much gain.
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