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  1. IMPALA
  2. IMPALA-4861

READ_WRITE warning thrown for source URI on CREATE TABLE LIKE PARQUET

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • Impala 2.8.0
    • Impala 2.10.0
    • Frontend

    Description

      Impala is throwing a READ_WRITE warning on the source path when doing CREATE TABLE LIKE PARQUET. Clearly this is a bunk warning as only READ is necessary on the source URI.

      $ hdfs dfs -ls /user/grahn
      drwxr-xr-x   - grahn  supergroup          0 2017-02-01 14:07 /user/grahn/t
      
      $ hdfs dfs -cp /tmp/bd4c4faf1485bea9-9c684da200000000_1368173239_data.0.parq /user/grahn/t
      
      [impala:21000] > create table ctas
                     > like parquet
                     > '/user/grahn/t/bd4c4faf1485bea9-9c684da200000000_1368173239_data.0.parq';
      
      WARNINGS: Impala does not have READ_WRITE access to path 'hdfs://impala:8020/user/grahn/t'
      
      [impala:21000] > desc ctas;
      Query: describe ctas
      +------+-----------+-----------------------------+
      | name | type      | comment                     |
      +------+-----------+-----------------------------+
      | _c0  | timestamp | Inferred from Parquet file. |
      +------+-----------+-----------------------------+
      

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            pranay_singh Pranay Singh
            grahn Greg Rahn
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