Package org.apache.drill.common.expression.ValueExpressions

Examples of org.apache.drill.common.expression.ValueExpressions.QuotedString

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         * appropriate extract function. For example
         * date_part('year', date '2008-2-23') ------> extractYear(date '2008-2-23')
         */
        assert args.get(0) instanceof QuotedString;

        QuotedString extractString = (QuotedString) args.get(0);
        String functionPostfix = extractString.value.substring(0, 1).toUpperCase() + extractString.value.substring(1).toLowerCase();
        return FunctionCallFactory.createExpression("extract" + functionPostfix, args.subList(1, 2));
      } else if (functionName.equals("concat")) {

        // Cast arguments to VARCHAR
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         * appropriate extract function. For example
         * date_part('year', date '2008-2-23') ------> extractYear(date '2008-2-23')
         */
        assert args.get(0) instanceof QuotedString;

        QuotedString extractString = (QuotedString) args.get(0);
        String functionPostfix = extractString.value.substring(0, 1).toUpperCase() + extractString.value.substring(1).toLowerCase();
        return FunctionCallFactory.createExpression("extract" + functionPostfix, args.subList(1, 2));
      } else if (functionName.equals("concat")) {

        // Cast arguments to VARCHAR
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         * appropriate extract function. For example
         * date_part('year', date '2008-2-23') ------> extractYear(date '2008-2-23')
         */
        assert args.get(0) instanceof QuotedString;

        QuotedString extractString = (QuotedString) args.get(0);
        String functionPostfix = extractString.value.substring(0, 1).toUpperCase() + extractString.value.substring(1).toLowerCase();
        return FunctionCallFactory.createExpression("extract" + functionPostfix, args.subList(1, 2));
      } else if (functionName.equals("concat")) {

        // Cast arguments to VARCHAR
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Related Classes of org.apache.drill.common.expression.ValueExpressions.QuotedString

  • org.apache.drill.exec.planner.logical.DrillOptiq$RexToDrill
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