[jira] [Created] (SPARK-17284) Remove statistics-related table properties from SHOW CREATE TABLE

["Xiao Li (JIRA)" <ji...@apache.org>]

Xiao Li created SPARK-17284:
-------------------------------

             Summary: Remove statistics-related table properties from SHOW CREATE TABLE
                 Key: SPARK-17284
                 URL: https://issues.apache.org/jira/browse/SPARK-17284
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.0.0
            Reporter: Xiao Li


{noformat}
CREATE TABLE t1 (
  c1 INT COMMENT 'bla',
  c2 STRING
)
LOCATION '$dir'
TBLPROPERTIES (
  'prop1' = 'value1',
  'prop2' = 'value2'
)
{noformat}

The output of {{SHOW CREATE TABLE t1}} is 

{noformat}
CREATE EXTERNAL TABLE `t1`(`c1` int COMMENT 'bla', `c2` string)
ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'
WITH SERDEPROPERTIES (
  'serialization.format' = '1'
)
STORED AS
  INPUTFORMAT 'org.apache.hadoop.mapred.TextInputFormat'
  OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.HiveIgnoreKeyTextOutputFormat'
LOCATION 'file:/private/var/folders/4b/sgmfldk15js406vk7lw5llzw0000gn/T/spark-ee317538-0f8c-42d0-b08c-cf077d94fe75'
TBLPROPERTIES (
  'rawDataSize' = '-1',
  'numFiles' = '0',
  'transient_lastDdlTime' = '1472424052',
  'totalSize' = '0',
  'prop1' = 'value1',
  'prop2' = 'value2',
  'COLUMN_STATS_ACCURATE' = 'false',
  'numRows' = '-1'
)
{noformat}

The statistics-related table properties should be skipped by {{SHOW CREATE TABLE}}, since it could be incorrect in the newly created table. See the Hive JIRA: https://issues.apache.org/jira/browse/HIVE-13792




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