[
https://issues.apache.org/jira/browse/HIVE-20447?focusedWorklogId=456188&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-456188
]
ASF GitHub Bot logged work on HIVE-20447:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Jul/20 15:06
Start Date: 08/Jul/20 15:06
Worklog Time Spent: 10m
Work Description: belugabehr commented on a change in pull request #1169:
URL: https://github.com/apache/hive/pull/1169#discussion_r451617508
##########
File path: beeline/src/java/org/apache/hive/beeline/JSONOutputFormat.java
##########
@@ -0,0 +1,113 @@
+/*
+ * 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.
+ */
+
+/*
+ * This source file is based on code taken from SQLLine 1.9
+ * See SQLLine notice in LICENSE
+ */
+package org.apache.hive.beeline;
+
+import java.sql.SQLException;
+import java.sql.Types;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import com.fasterxml.jackson.core.JsonEncoding;
+import com.fasterxml.jackson.core.JsonFactory;
+import com.fasterxml.jackson.core.JsonGenerator;
+
+/**
+ * OutputFormat for standard JSON format.
+ *
+ */
+public class JSONOutputFormat extends AbstractOutputFormat {
+ protected final BeeLine beeLine;
+ protected JsonGenerator generator;
+
+
+ /**
+ * @param beeLine
+ */
+ JSONOutputFormat(BeeLine beeLine){
+ this.beeLine = beeLine;
+ ByteArrayOutputStream buf = new ByteArrayOutputStream();
+ try{
+ this.generator = new JsonFactory().createGenerator(buf,
JsonEncoding.UTF8);
+ }catch(IOException e){
+ beeLine.handleException(e);
+ }
+ }
+
+ @Override
+ void printHeader(Rows.Row header) {
+ try {
+ generator.writeStartObject();
+ generator.writeArrayFieldStart("resultset");
+ } catch (IOException e) {
+ beeLine.handleException(e);
+ }
+ }
+
+ @Override
+ void printFooter(Rows.Row header) {
+ try {
+ generator.writeEndArray();
+ generator.writeEndObject();
+ beeLine.output(generator.getOutputTarget().toString());
+ generator.flush();
+ } catch (IOException e) {
+ beeLine.handleException(e);
+ }
+ }
+
+ @Override
+ void printRow(Rows rows, Rows.Row header, Rows.Row row) {
+ String[] head = header.values;
+ String[] vals = row.values;
+ try{
+ for (int i = 0; (i < head.length) && (i < vals.length); i++) {
+ generator.writeFieldName(head[i]);
+ switch(rows.rsMeta.getColumnType(i)) {
+ case Types.TINYINT:
+ case Types.SMALLINT:
+ case Types.INTEGER:
+ case Types.BIGINT:
+ case Types.REAL:
+ case Types.FLOAT:
+ case Types.DOUBLE:
+ case Types.DECIMAL:
+ case Types.NUMERIC:
+ generator.writeNumber(vals[i]);
+ break;
+ case Types.NULL:
+ generator.writeNull();
+ break;
+ case Types.BOOLEAN:
+ generator.writeBoolean(vals[i].equalsIgnoreCase("true"));
Review comment:
Take a look at using `Boolean#parse` instead:
https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html#parseBoolean-java.lang.String-
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Issue Time Tracking
-------------------
Worklog Id: (was: 456188)
Time Spent: 2h 10m (was: 2h)
> Add JSON Outputformat support
> -----------------------------
>
> Key: HIVE-20447
> URL: https://issues.apache.org/jira/browse/HIVE-20447
> Project: Hive
> Issue Type: Task
> Components: Beeline
> Reporter: Max Efremov
> Assignee: Hunter Logan
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-20447.01.patch
>
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> This function is present in SQLLine. We need add it to beeline too.
> https://github.com/julianhyde/sqlline/pull/84
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