Jerry Ylilammi created PARQUET-402:
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Summary: Apache Pig cannot store Map data type into Parquet format
Key: PARQUET-402
URL: https://issues.apache.org/jira/browse/PARQUET-402
Project: Parquet
Issue Type: Bug
Reporter: Jerry Ylilammi
Trying to store simple map with two entries gives me following exception:
{code}table_with_map_data: {my_map: map[]}
2015-12-10 11:58:54,478 [main] INFO
org.apache.hadoop.conf.Configuration.deprecation - fs.default.name is
deprecated. Instead, use fs.defaultFS
2015-12-10 11:58:54,498 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR
2999: Unexpected internal error. Invalid map Schema, schema should contain
exactly one field: my_map: map{code}
For example taking any input and doing this gives me the exception:
{code}table_with_map_data = FOREACH random_data GENERATE TOMAP('123', 'hello',
'456', 'world') as (my_map);
DESCRIBE table_with_map_data;
STORE table_with_map_data INTO '...' USING ParquetStorer();{code}
I'm using latest version of Pig: Apache Pig version 0.15.0 (r1682971) compiled
Jun 01 2015, 11:44:35
and Parquet: parquet-pig-bundle-1.6.0.jar
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