Chun Chang created DRILL-498:
--------------------------------
Summary: cast to varchar only returns one row
Key: DRILL-498
URL: https://issues.apache.org/jira/browse/DRILL-498
Project: Apache Drill
Issue Type: Bug
Reporter: Chun Chang
Priority: Critical
Tried the patch for JIRA496, now the storage engine is able to read parquet
files, but cast only returns one row.
0: jdbc:drill:schema=dfs> select * from days;
+------------+------------+
| day | week_day |
+------------+------------+
| 1 | [B@2cef1cb4 |
| 2 | [B@6458478 |
| 5 | [B@3dfbe57f |
| 4 | [B@649814a3 |
| 3 | [B@3c730ced |
| 6 | [B@2555ba9c |
| 7 | [B@1f4e6aea |
+------------+------------+
7 rows selected (1.829 seconds)
0: jdbc:drill:schema=dfs> select `day`, cast(week_day as varchar(20)) from days;
+------------+------------+
| day | EXPR$1 |
+------------+------------+
| 1 | Sunday |
| 2 | |
| 5 | |
| 4 | |
| 3 | |
| 6 | |
| 7 | |
+------------+------------+
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