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ASF GitHub Bot commented on DRILL-6174: --------------------------------------- Github user arina-ielchiieva commented on a diff in the pull request: https://github.com/apache/drill/pull/1131#discussion_r170902942 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/expr/stat/ParquetPredicatesHelper.java --- @@ -0,0 +1,36 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * <p/> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p/> + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.drill.exec.expr.stat; + +import org.apache.parquet.column.statistics.Statistics; + +class ParquetPredicatesHelper { --- End diff -- Please make public and add java doc for each helper method. > Parquet pushdown planning improvements > -------------------------------------- > > Key: DRILL-6174 > URL: https://issues.apache.org/jira/browse/DRILL-6174 > Project: Apache Drill > Issue Type: Improvement > Affects Versions: 1.12.0 > Reporter: Arina Ielchiieva > Assignee: Roman Kulyk > Priority: Major > Labels: doc-impacting > Fix For: 1.13.0 > > > Currently parquet pushdown planning has certain limitations > (https://drill.apache.org/docs/parquet-filter-pushdown/). This Jira aims to > fix some of them. List of improvements can be find below: > 1. IS [NOT] NULL / TRUE / FALSE > 2. Timestamp / date / time implicit / explicit casts > {noformat} > timestamp -> date > timestamp -> varchar > date -> timestamp > date -> varchar > time -> timestamp > time -> date > time -> varchar > {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005)