Github user maryannxue commented on a diff in the pull request: https://github.com/apache/phoenix/pull/212#discussion_r81200246 --- Diff: phoenix-core/src/main/java/org/apache/phoenix/calcite/CalciteUtils.java --- @@ -1036,4 +1048,40 @@ public Void visitCall(RexCall call) { return null; } } + + public static Object convertLiteral(SqlLiteral literal, PhoenixRelImplementor implementor) { + try { + final SchemaPlus rootSchema = Frameworks.createRootSchema(true); + final FrameworkConfig config = Frameworks.newConfigBuilder() + .parserConfig(SqlParser.Config.DEFAULT) + .defaultSchema(rootSchema).build(); + Planner planner = Frameworks.getPlanner(config); --- End diff -- Since this method will be called once for each SQLLiteral, it might be better make these objects static members of CalciteUtils if possible.
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