Merge remote-tracking branch 'origin/3.0' into feat/TD-25204
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41b61a79d5
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@ -94,7 +94,7 @@ The string's MD5 hash value "md5_val" is calculated after the ranking is complet
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:::
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If you do not want to use an automatically generated table name, there are two ways to specify sub table names, the first one has a higher priority.
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You can configure smlAutoChildTableNameDelimiter in taos.cfg, for example, `smlAutoChildTableNameDelimiter=tname`. You can insert `st,t0=cpul,t1=4 c1=3 1626006833639000000` and the table name will be cpu1-4.
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You can configure smlAutoChildTableNameDelimiter in taos.cfg(except for `@ # space \r \t \n`), for example, `smlAutoChildTableNameDelimiter=tname`. You can insert `st,t0=cpul,t1=4 c1=3 1626006833639000000` and the table name will be cpu1-4.
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You can configure smlChildTableName in taos.cfg to specify table names, for example, `smlChildTableName=tname`. You can insert `st,tname=cpul,t1=4 c1=3 1626006833639000000` and the cpu1 table will be automatically created. Note that if multiple rows have the same tname but different tag_set values, the tag_set of the first row is used to create the table and the others are ignored.
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2. If the super table obtained by parsing the line protocol does not exist, this super table is created.
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@ -96,7 +96,7 @@ st,t1=3,t2=4,t3=t3 c1=3i64,c3="passit",c2=false,c4=4f64 1626006833639000000
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排列完成以后计算该字符串的 MD5 散列值 "md5_val"。然后将计算的结果与字符串组合生成表名:“t_md5_val”。其中的 “t_” 是固定的前缀,每个通过该映射关系自动生成的表都具有该前缀。
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:::tip
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如果不想用自动生成的表名,有两种指定子表名的方式,第一种优先级更高:
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通过在taos.cfg里配置 smlAutoChildTableNameDelimiter 参数来指定。
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通过在taos.cfg里配置 smlAutoChildTableNameDelimiter 参数来指定(`@ # 空格 回车 换行 制表符`除外)。
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举例如下:配置 smlAutoChildTableNameDelimiter=- 插入数据为 st,t0=cpu1,t1=4 c1=3 1626006833639000000 则创建的表名为 cpu1-4。
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通过在taos.cfg里配置 smlChildTableName 参数来指定。
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举例如下:配置 smlChildTableName=tname 插入数据为 st,tname=cpu1,t1=4 c1=3 1626006833639000000 则创建的表名为 cpu1,注意如果多行数据 tname 相同,但是后面的 tag_set 不同,则使用第一行自动建表时指定的 tag_set,其他的行会忽略)。
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@ -6,7 +6,7 @@ pgrep taosd || taosd >> /dev/null 2>&1 &
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pgrep taosadapter || taosadapter >> /dev/null 2>&1 &
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cd ../../docs/examples/R
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wget -N https://repo1.maven.org/maven2/com/taosdata/jdbc/taos-jdbcdriver/3.2.4/taos-jdbcdriver-3.2.4-dist.jar
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wget -N https://maven.aliyun.com/repository/central/com/taosdata/jdbc/taos-jdbcdriver/3.2.5/taos-jdbcdriver-3.2.5-dist.jar
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jar_path=`find . -name taos-jdbcdriver-*-dist.jar`
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echo jar_path=$jar_path
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