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There is still no text covering a map-reduce job on an already existing, 
non-Avro table into an avro table.  ie, create a text table, populate it, run a 
CTAS to manipulate the data into an Avro table.


ql/src/test/queries/clientpositive/avro_create_as_select.q
<https://reviews.apache.org/r/11925/#comment47977>

    This is testing that one can copy data into an already existing table, but 
doesn't verify that the already existing, non-avro data is converted correctly.


- Jakob Homan


On July 23, 2013, 2:51 a.m., Mohammad Islam wrote:
> 
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> https://reviews.apache.org/r/11925/
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> 
> (Updated July 23, 2013, 2:51 a.m.)
> 
> 
> Review request for hive, Ashutosh Chauhan and Jakob Homan.
> 
> 
> Bugs: HIVE-3159
>     https://issues.apache.org/jira/browse/HIVE-3159
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> Problem:
> Hive doesn't support to create a Avro-based table using HQL create table 
> command. It currently requires to specify Avro schema literal or schema file 
> name.
> For multiple cases, it is very inconvenient for user.
> Some of the un-supported use cases:
> 1. Create table ... <Avro-SERDE etc.> as SELECT ... from <NON-AVRO FILE>
> 2. Create table ... <Avro-SERDE etc.> as SELECT from <AVRO TABLE>
> 3. Create  table  without specifying Avro schema.
> 
> 
> Diffs
> -----
> 
>   ql/src/test/queries/clientpositive/avro_create_as_select.q PRE-CREATION 
>   ql/src/test/queries/clientpositive/avro_create_as_select2.q PRE-CREATION 
>   ql/src/test/queries/clientpositive/avro_no_schema_test.q PRE-CREATION 
>   ql/src/test/queries/clientpositive/avro_without_schema.q PRE-CREATION 
>   ql/src/test/results/clientpositive/avro_create_as_select.q.out PRE-CREATION 
>   ql/src/test/results/clientpositive/avro_create_as_select2.q.out 
> PRE-CREATION 
>   ql/src/test/results/clientpositive/avro_no_schema_test.q.out PRE-CREATION 
>   ql/src/test/results/clientpositive/avro_without_schema.q.out PRE-CREATION 
>   serde/src/java/org/apache/hadoop/hive/serde2/avro/AvroSerdeUtils.java 
> 13848b6 
>   serde/src/java/org/apache/hadoop/hive/serde2/avro/TypeInfoToSchema.java 
> PRE-CREATION 
>   serde/src/test/org/apache/hadoop/hive/serde2/avro/TestAvroSerdeUtils.java 
> 010f614 
>   serde/src/test/org/apache/hadoop/hive/serde2/avro/TestTypeInfoToSchema.java 
> PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/11925/diff/
> 
> 
> Testing
> -------
> 
> Wrote a new java Test class for a new Java class. Added a new test case into 
> existing java test class. In addition, there are 4 .q file for testing 
> multiple use-cases.
> 
> 
> Thanks,
> 
> Mohammad Islam
> 
>

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