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https://issues.apache.org/jira/browse/DRILL-5258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15883810#comment-15883810
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ASF GitHub Bot commented on DRILL-5258:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/752#discussion_r103057839
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/mock/BooleanGen.java
---
@@ -0,0 +1,42 @@
+/*
+ * 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.mock;
+
+import java.util.Random;
+
+import org.apache.drill.exec.vector.BitVector;
+import org.apache.drill.exec.vector.ValueVector;
+
+public class BooleanGen implements FieldGen {
+
+ Random rand = new Random( );
+
+ @Override
+ public void setup(ColumnDef colDef) { }
+
+ public int value( ) {
--- End diff --
Fixed.
> Allow "extended" mock tables access from SQL queries
> ----------------------------------------------------
>
> Key: DRILL-5258
> URL: https://issues.apache.org/jira/browse/DRILL-5258
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.10
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Priority: Minor
> Fix For: 1.10
>
>
> DRILL-5152 provided a simple way to generate sample data in SQL using a new,
> simplified version of the mock data generator. This approach is very
> convenient, but is inherently limited. For example, the limited syntax
> available in SQL does not encoding much information about columns such as
> repeat count, data generator or so on. The simple SQL approach does not allow
> generating multiple groups of data.
> However, all these features are present in the original mock data source via
> a special JSON configuration file. Previously, only physical plans could
> access that extended syntax.
> This ticket requests a SQL interface to the extended mock data source:
> {code}
> SELECT * FROM `mock`.`example/mock-options.json`
> {code}
> Mock data source options are always stored as a JSON file. Since the existing
> mock data generator for SQL never uses JSON files, a simple rule is that if
> the table name ends in ".json" then it is a specification, else the
> information is encoded in table and column names.
> The format of the data generation syntax is documented in the mock data
> source classes.
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