[GitHub] [incubator-doris] caiconghui commented on pull request #6384: [Optimize] Speed up converting the data of other type to string in mysql_result_writer

[GitBox <gi...@apache.org>]

caiconghui commented on pull request #6384:
URL: https://github.com/apache/incubator-doris/pull/6384#issuecomment-901804587


   > Did you do the benchmark ? how much it can improve ?
   
   CREATE TABLE `baseall` (
     `k1` tinyint(4) NULL COMMENT "",
     `k2` smallint(6) NULL COMMENT "",
     `k3` int(11) NULL COMMENT "",
     `k4` bigint(20) NULL COMMENT "",
     `k5` decimal(9, 3) NULL COMMENT "",
     `k6` char(5) NULL COMMENT "",
     `k10` date NULL COMMENT "",
     `k11` datetime NULL COMMENT "",
     `k7` varchar(20) NULL COMMENT "",
     `k8` double NULL COMMENT "",
     `k9` float NULL COMMENT ""
   ) ENGINE=OLAP
   DUPLICATE KEY(`k1`, `k2`, `k3`, `k4`)
   COMMENT "OLAP"
   DISTRIBUTED BY HASH(`k1`) BUCKETS 10
   PROPERTIES (
   "replication_num" = "1",
   "in_memory" = "false",
   "storage_format" = "V2"
   ); 
   
   and insert more than one hundred thousand record， the TupleConvertTime reduced from about 350ms to 180ms


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