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https://issues.apache.org/jira/browse/DRILL-4120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16382225#comment-16382225
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ASF GitHub Bot commented on DRILL-4120:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/1138#discussion_r171607241
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/store/avro/AvroRecordReader.java
---
@@ -295,7 +301,8 @@ private void processPrimitive(final Object value, final
Schema.Type type, final
writer.binary(fieldName).writeVarBinary(0, length, buffer);
break;
case NULL:
- // Nothing to do for null type
+ // The default Drill behaviour is to create int column
+ writer.integer(fieldName);
--- End diff --
This maps a NULL type to integer. Probably OK if we do this consistently.
> dir0 does not work when the directory structure contains Avro files
> -------------------------------------------------------------------
>
> Key: DRILL-4120
> URL: https://issues.apache.org/jira/browse/DRILL-4120
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 1.3.0
> Reporter: Stefán Baxter
> Assignee: Volodymyr Vysotskyi
> Priority: Major
> Fix For: 1.13.0
>
> Attachments:
> 0001-DRILL-4120-Support-reading-directories-having-avro-f.patch
>
>
> Any select statment containing dirN fails if the target directory structure
> contains Avro files.
> Steps to test:
> 1. create a simple directory structure
> 2. copy an avro file into each directory
> 3. execute a query containing dir0
> outcome:
> Error: VALIDATION ERROR: From line 1, column 117 to line 1, column 120:
> Column 'dir0' not found in any table
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