| <?xml version="1.0" encoding="UTF-8"?> |
| <!-- |
| 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 |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| 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. |
| --> |
| <!DOCTYPE concept PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
| <concept id="parquet_write_page_index"> |
| |
| <title>PARQUET_WRITE_PAGE_INDEX Query Option</title> |
| |
| <titlealts audience="PDF"> |
| |
| <navtitle>PARQUET_WRITE_PAGE_INDEX</navtitle> |
| |
| </titlealts> |
| |
| <prolog> |
| <metadata> |
| <data name="Category" value="Impala"/> |
| <data name="Category" value="Impala Query Options"/> |
| <data name="Category" value="Parquet"/> |
| <data name="Category" value="Developers"/> |
| <data name="Category" value="Data Analysts"/> |
| </metadata> |
| </prolog> |
| |
| <conbody> |
| |
| <p> |
| The <codeph>PARQUET_WRITE_PAGE_INDEX</codeph> query option to disable or enable the |
| Parquet page index writing. |
| </p> |
| |
| <p> |
| Impala writes page-level statistics into the Parquet page index of the types: Boolean, |
| Integer, Decimal, String, Timestamp |
| </p> |
| |
| <p> |
| The supported values for the query option are: |
| <ul> |
| <li> |
| <codeph>true</codeph> (<codeph>1</codeph>): Write the Parquet page index when creating |
| Parquet files. |
| </li> |
| |
| <li> |
| <codeph>false</codeph> (<codeph>0</codeph>): Do not write the Parquet page index when |
| creating Parquet files. |
| </li> |
| |
| <li> |
| Any other values are treated as <codeph>false</codeph>. |
| </li> |
| </ul> |
| </p> |
| |
| <p> |
| <b>Type:</b> Boolean |
| </p> |
| |
| <p> |
| <b>Default:</b> <codeph>TRUE</codeph> |
| </p> |
| |
| <p> |
| <b>Added in:</b> <keyword keyref="impala33"/> |
| </p> |
| |
| </conbody> |
| |
| </concept> |