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Old Version 11

changes.mady.by.user 刘海

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New Version 12

changes.mady.by.user Steve Yurong Su

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  • data/system/udf/ulog.txt (udf注册信息UDF 注册信息)
0,DISTINCT,org.apache.iotdb.quality.dprofile.UDTFDistinct (UTF8, 注册 UDF DISTINCT，全类名 org.apache.iotdb.quality.dprofile.UDTFDistinct)
0,HISTOGRAM,org.apache.iotdb.quality.dprofile.UDTFHistogram
0,INTEGRAL,org.apache.iotdb.quality.dprofile.UDAFIntegral
1,DISTINCT (UTF8, 反注册 UDF DISTINCT)
  • data/system/udf/tmp (udf框架临时文件嵌套表达式框架运行时的临时文件，用于计算时的内存控制，二进制)

数据文件目录 data/data

  • data/data/sequence/{storage_group}/{virtual_storage_group_id}/{partition}/{timestamp}-{version}-{inner_compaction_times}-{outter_compaction_times}.tsfile (数据文件)

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