Github user arina-ielchiieva commented on a diff in the pull request:
https://github.com/apache/drill/pull/1131#discussion_r170629893
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/ParquetFilterBuilder.java
---
@@ -261,6 +273,37 @@ private LogicalExpression
handleCompareFunction(FunctionHolderExpression functio
}
}
+ private LogicalExpression handleIsFunction(FunctionHolderExpression
functionHolderExpression, Set<LogicalExpression> value) {
+ String funcName;
+
+ if (functionHolderExpression.getHolder() instanceof
DrillSimpleFuncHolder) {
+ funcName = ((DrillSimpleFuncHolder)
functionHolderExpression.getHolder()).getRegisteredNames()[0];
+ } else {
+ logger.warn("Can not cast {} to DrillSimpleFuncHolder. Parquet
filter pushdown can not handle function.",
+ functionHolderExpression.getHolder());
+ return null;
+ }
+ LogicalExpression arg = functionHolderExpression.args.get(0);
+
+ switch (funcName) {
--- End diff --
Please use proper formatting for switch case.
---
