Hive inserting parquet files with different schema











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I am trying to insert 2 parquet files to HDFS via hive.
the first one looks like



----------------

|col1|col2|col3|

----------------

 |1   |2   |3   |

----------------


when I select in HUE, I see this row correctly.
Then I insert the second file to the same table that looks like this:



---------------

 col3|col4|col5|

---------------

 31   |4   |5   |

---------------


The insert query works here but when I do a select query from all the rows, I get this output:



-------------------------

 col1|col2|col3|col4|col5|

-------------------------

 1   |2   |3   |null|null|

------------------------

NULL|NULL|31  |NULL|NULL|

------------------------


The second row should be null, null, 31,4,5
what am I doing wrong here?






hadoop hive







share|improve this question
























  • Could you please post your code so that people here can help you out?
    – VIN
    yesterday















up vote
0
down vote

favorite












I am trying to insert 2 parquet files to HDFS via hive.
the first one looks like



----------------

|col1|col2|col3|

----------------

 |1   |2   |3   |

----------------


when I select in HUE, I see this row correctly.
Then I insert the second file to the same table that looks like this:



---------------

 col3|col4|col5|

---------------

 31   |4   |5   |

---------------


The insert query works here but when I do a select query from all the rows, I get this output:



-------------------------

 col1|col2|col3|col4|col5|

-------------------------

 1   |2   |3   |null|null|

------------------------

NULL|NULL|31  |NULL|NULL|

------------------------


The second row should be null, null, 31,4,5
what am I doing wrong here?






hadoop hive







share|improve this question
























  • Could you please post your code so that people here can help you out?
    – VIN
    yesterday













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I am trying to insert 2 parquet files to HDFS via hive.
the first one looks like



----------------

|col1|col2|col3|

----------------

 |1   |2   |3   |

----------------


when I select in HUE, I see this row correctly.
Then I insert the second file to the same table that looks like this:



---------------

 col3|col4|col5|

---------------

 31   |4   |5   |

---------------


The insert query works here but when I do a select query from all the rows, I get this output:



-------------------------

 col1|col2|col3|col4|col5|

-------------------------

 1   |2   |3   |null|null|

------------------------

NULL|NULL|31  |NULL|NULL|

------------------------


The second row should be null, null, 31,4,5
what am I doing wrong here?






hadoop hive







share|improve this question















I am trying to insert 2 parquet files to HDFS via hive.
the first one looks like



----------------

|col1|col2|col3|

----------------

 |1   |2   |3   |

----------------


when I select in HUE, I see this row correctly.
Then I insert the second file to the same table that looks like this:



---------------

 col3|col4|col5|

---------------

 31   |4   |5   |

---------------


The insert query works here but when I do a select query from all the rows, I get this output:



-------------------------

 col1|col2|col3|col4|col5|

-------------------------

 1   |2   |3   |null|null|

------------------------

NULL|NULL|31  |NULL|NULL|

------------------------


The second row should be null, null, 31,4,5
what am I doing wrong here?






hadoop hive




hadoop hive






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited yesterday









mustaccio

14k83637




14k83637










asked 2 days ago









user1997656

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158313












  • Could you please post your code so that people here can help you out?
    – VIN
    yesterday


















  • Could you please post your code so that people here can help you out?
    – VIN
    yesterday
















Could you please post your code so that people here can help you out?
– VIN
yesterday




Could you please post your code so that people here can help you out?
– VIN
yesterday

















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