Github user kavinderd commented on a diff in the pull request: https://github.com/apache/incubator-hawq/pull/906#discussion_r82033359 --- Diff: pxf/pxf-api/src/main/java/org/apache/hawq/pxf/api/FilterParser.java --- @@ -220,6 +193,24 @@ public Object parse(String filter) throws Exception { // Store result on stack operandsStack.push(result); break; + case 'l': + LogicalOperation logicalOperation = logicalOperationTranslationMap.get(safeToInt(parseNumber())); + + if (logicalOperation == null) { + throw new FilterStringSyntaxException("unknown op ending at " + index); + } + + if (logicalOperation == LogicalOperation.HDOP_NOT) { + Object exp = operandsStack.pop(); + result = filterBuilder.build(logicalOperation, exp); + } else { --- End diff -- Ok, I'll add the check
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