Khurram Faraaz created DRILL-6518:
-------------------------------------
Summary: DESCRIBE command on Drill created parquet table does not
return results
Key: DRILL-6518
URL: https://issues.apache.org/jira/browse/DRILL-6518
Project: Apache Drill
Issue Type: Bug
Components: Storage - Parquet
Affects Versions: 1.14.0
Reporter: Khurram Faraaz
Attachments: 0_0_0.parquet, item.drill.parquet_metadata
Describe command on a Drill (1.14.0) created parquet table, does not return the
table description.
Parquet file and parquet metadata cache file for item table is attached here,
it has the details of column types in the metadata cache file.
{noformat}
Apache Drill 1.14.0-SNAPSHOT
commit : b447260e49dc4a8c906f5b310c037fe6dd77166f
{noformat}
{noformat}
// DESCRIBE commands returns no information about the table.
0: jdbc:drill:schema=dfs.tpcds_sf1_parquet_vi> describe
dfs.`/drill/testdata/tpcds_sf1/parquet/item`;
+--------------+------------+--------------+
| COLUMN_NAME | DATA_TYPE | IS_NULLABLE |
+--------------+------------+--------------+
+--------------+------------+--------------+
No rows selected (0.221 seconds)
0: jdbc:drill:schema=dfs.tpcds_sf1_parquet_vi> refresh table metadata
dfs.`/drill/testdata/tpcds_sf1/parquet/item`;
+-------+----------------------------------------------------------------------------------+
| ok | summary |
+-------+----------------------------------------------------------------------------------+
| true | Successfully updated metadata for table
/drill/testdata/tpcds_sf1/parquet/item. |
+-------+----------------------------------------------------------------------------------+
1 row selected (0.173 seconds)
0: jdbc:drill:schema=dfs.tpcds_sf1_parquet_vi> describe
dfs.`/drill/testdata/tpcds_sf1/parquet/item`;
+--------------+------------+--------------+
| COLUMN_NAME | DATA_TYPE | IS_NULLABLE |
+--------------+------------+--------------+
+--------------+------------+--------------+
No rows selected (0.229 seconds)
{noformat}
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