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https://issues.apache.org/jira/browse/DRILL-7572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17036935#comment-17036935
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ASF GitHub Bot commented on DRILL-7572:
---------------------------------------

vvysotskyi commented on pull request #1971: DRILL-7572: JSON structure parser
URL: https://github.com/apache/drill/pull/1971#discussion_r379387581
 
 

 ##########
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/store/easy/json/parser/JsonStructureOptions.java
 ##########
 @@ -0,0 +1,41 @@
+/*
+ * 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.
+ */
+package org.apache.drill.exec.store.easy.json.parser;
+
+public class JsonStructureOptions {
+  public boolean allTextMode;
+
+  /**
+   * Allow Infinity and NaN for float values.
+   */
+
+  public boolean allowNanInf;
+
+  /**
+   * Describes whether or not this reader can unwrap a single root array record
+   * and treat it like a set of distinct records.
+   */
+  public boolean skipOuterList = true;
+  public boolean skipMalformedRecords;
+
+  /**
+   * Top-level event listeners.
+   */
+  public ObjectListener rootListener;
 
 Review comment:
   If this class is designed as an argument holder for JSON readers, let's 
rename it to something like `JsonContext`, so there wouldn't be an assumption 
that it should store only options for JSON.
 
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> JSON structure parser
> ---------------------
>
>                 Key: DRILL-7572
>                 URL: https://issues.apache.org/jira/browse/DRILL-7572
>             Project: Apache Drill
>          Issue Type: Improvement
>    Affects Versions: 1.18.0
>            Reporter: Paul Rogers
>            Assignee: Paul Rogers
>            Priority: Major
>             Fix For: 1.18.0
>
>
> DRILL-6953, PR #1913 provides an EVF-version of the JSON reader. The original 
> plan was to commit a first draft, with the feature disabled, then evolve from 
> there. Review comments suggested we ensure that the first PR pass all unit 
> tests with the feature enabled. Another comment suggested the JSON parser 
> portion be reusable for other format or storage plugins. All good ideas.
> The amount of change in the original PR was becoming too large. So, we'll go 
> ahead and split the work into smaller portions.
> This ticket is for the "JSON structure parser." This parser accepts the token 
> stream from the Jackson parser and provides a framework to create a tree 
> structure that describes the data.  To keep the code simple, to simplify 
> tests, and to make review easier, the structure parser does not directly 
> integrate with the rest of Drill. Instead, it provides a number of listener 
> interfaces which the next level implements. (The next level will be in 
> another PR.)



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