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Posted to issues@drill.apache.org by "Norris Lee (JIRA)" <ji...@apache.org> on 2014/07/17 01:31:05 UTC
[jira] [Created] (DRILL-1151) JSON nested data returns empty for
all rows except the first when using selections
Norris Lee created DRILL-1151:
---------------------------------
Summary: JSON nested data returns empty for all rows except the first when using selections
Key: DRILL-1151
URL: https://issues.apache.org/jira/browse/DRILL-1151
Project: Apache Drill
Issue Type: Bug
Reporter: Norris Lee
Without the limit clause, everything gets returned:
{code}
0: jdbc:drill:zk=localhost:5181> SELECT * FROM `dfs`.`optdrill`.`./raw-files/donuts/moredonuts.json`;
+------------+------------+------------+------------+------------+------------+------------+------------+
| id | type | name | ppu | sales | batters | topping | filling |
+------------+------------+------------+------------+------------+------------+------------+------------+
| 0001 | donut | Cake | 0.55 | 35 | {"batter":[{"id":"1001","type":"Regular"},{"id":"1002","type":"Chocolate"},{"id":"100 |
| 0002 | donut | Raised | 0.69 | 145 | {"batter":[{"id":"1001","type":"Regular"}]} | [{"id":"5001","type":"None"},{"id":"500 |
| 0003 | donut | Old Fashioned | 0.55 | 300 | {"batter":[{"id":"1001","type":"Regular"},{"id":"1002","type":"Chocolate"}]} | [{" |
| 0004 | donut | Filled | 0.69 | 14 | {"batter":[{"id":"1001","type":"Regular"},{"id":"1002","type":"Chocolate"},{"id":"100 |
| 0005 | donut | Apple Fritter | 1.0 | 700 | {"batter":[{"id":"1001","type":"Regular"}]} | [{"id":"5002","type":"Glazed"}] | [] |
+------------+------------+------------+------------+------------+------------+------------+------------+
5 rows selected (0.785 seconds)
{code}
Using the limit clause, the batters column returns [] for rows 2-5:
{code}
dbc:drill:zk=localhost:5181> SELECT * FROM `dfs`.`optdrill`.`./raw-files/donuts/moredonuts.json` LIMIT 100;
+------------+------------+------------+------------+------------+------------+------------+------------+
| id | type | name | ppu | sales | batters | topping | filling |
+------------+------------+------------+------------+------------+------------+------------+------------+
| 0001 | donut | Cake | 0.55 | 35 | {"batter":[{"id":"1001","type":"Regular"},{"id":"1002","type":"Chocolate"},{"id":"100 |
| 0002 | donut | Raised | 0.69 | 145 | {"batter":[]} | [] | [] |
| 0003 | donut | Old Fashioned | 0.55 | 300 | {"batter":[]} | [] | [] |
| 0004 | donut | Filled | 0.69 | 14 | {"batter":[]} | [] | [] |
| 0005 | donut | Apple Fritter | 1.0 | 700 | {"batter":[]} | [] | [] |
+------------+------------+------------+------------+------------+------------+------------+------------+
5 rows selected (0.543 seconds)
{code}
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