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Posted to commits@calcite.apache.org by GitBox <gi...@apache.org> on 2019/06/08 03:03:54 UTC

[GitHub] [calcite] danny0405 commented on a change in pull request #1066: [CALCITE-2843] Babel parser should support PostgreSQL casting operator '::'

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_r291792271
 
 

 ##########
 File path: babel/src/main/codegen/config.fmpp
 ##########
 @@ -857,6 +858,16 @@ data: {
       dropStatementParserMethods: [
       ]
 
+      # Binary operators tokens
+      binaryOperatorsTokens: [
+        {name: "PG_CAST", symbol: "::"}
+      ]
+
+      # Binary operators initialization
+      extraExpressions: [
+        "op = PostgreSQLCasting(list, exprContext)"
+      ]
 
 Review comment:
   These parse block hooks are not necessary, if you want to add a new sql function parse, extend the expression parse block. See https://github.com/apache/calcite/commit/7f33215ffaf9c0b8f4bef082913c910c77bf4427 for reference.

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