{
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  "version" : "2.1",
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  "description" : "",
  "lookups" : [ ],
  "dimensions" : [ {
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    "columns" : [ "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T"]
  }],
  "metrics" : [ "AAA" ],
  "last_modified" : 1457444314662,
  "fact_table" : "DEFAULT.FIFTY_DIM",
  "filter_condition" : "",
  "partition_desc" : {
    "partition_date_column" : null,
    "partition_time_column" : null,
    "partition_date_start" : 0,
    "partition_date_format" : "yyyyMMdd",
    "partition_time_format" : "HH:mm:ss",
    "partition_type" : "APPEND",
    "partition_condition_builder" : "org.apache.kylin.metadata.model.PartitionDesc$DefaultPartitionConditionBuilder"
  }
}