dhatchayani commented on a change in pull request #3557: [CARBONDATA-3649] Hive
expression is pushed down to carbon
URL: https://github.com/apache/carbondata/pull/3557#discussion_r363647514
##########
File path:
hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonInputFormat.java
##########
@@ -455,7 +459,26 @@ protected DataMapFilter getFilterPredicates(Configuration
configuration) {
try {
String filterExprString = configuration.get(FILTER_PREDICATE);
if (filterExprString == null) {
- return null;
+ String expr = configuration.get(TableScanDesc.FILTER_EXPR_CONF_STR);
+ if (expr == null) {
+ return null;
+ }
+ ExprNodeGenericFuncDesc exprNodeGenericFuncDesc =
+ Utilities.deserializeObject(expr, ExprNodeGenericFuncDesc.class);
+ LOG.debug("hive expression:" +
exprNodeGenericFuncDesc.getGenericUDF());
Review comment:
please add isDebugEnabled() check, here and all other places
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