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homework-jianmu/tests/army/query/function/ans/substr.csv

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taos> select SUBSTRING('Hello.World!', 1)
substring('Hello.World!', 1) |
===============================
Hello.World! |
taos> select SUBSTRING('Hello.World!', 1, 5)
substring('Hello.World!', 1, 5) |
==================================
Hello |
taos> select SUBSTRING('Hello.World!', 1, 20)
substring('Hello.World!', 1, 20) |
===================================
Hello.World! |
taos> select SUBSTRING('Hello.World!' FROM 1)
substring('Hello.World!' from 1) |
===================================
Hello.World! |
taos> select SUBSTRING('Hello.World!' FROM 1 FOR 5)
substring('Hello.World!' from 1 for 5) |
=========================================
Hello |
taos> select SUBSTRING('Hello.World!' FROM 1 FOR 20)
substring('Hello.World!' from 1 for 20) |
==========================================
Hello.World! |
taos> select SUBSTRING('Hello.World!', -6)
substring('Hello.World!', -6) |
================================
World! |
taos> select SUBSTRING('Hello.World!', -6, 5)
substring('Hello.World!', -6, 5) |
===================================
World |
taos> select SUBSTRING('Hello.World!', -6, 20)
substring('Hello.World!', -6, 20) |
====================================
World! |
taos> select SUBSTRING('Hello.World!' FROM -6)
substring('Hello.World!' from -6) |
====================================
World! |
taos> select SUBSTRING('Hello.World!' FROM -6 FOR 5)
substring('Hello.World!' from -6 for 5) |
==========================================
World |
taos> select SUBSTRING('Hello.World!' FROM -6 FOR 20)
substring('Hello.World!' from -6 for 20) |
===========================================
World! |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.', 1)
substring('北京涛思数据科技有限公司，tdengine.', 1) |
===================================================================
北京涛思数据科技有限公司，tdengine. |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.', 1, 5)
substring('北京涛思数据科技有限公司，tdengine.', 1, |
===================================================================
北京涛思数 |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.', 1, 20)
substring('北京涛思数据科技有限公司，tdengine.', 1, |
===================================================================
北京涛思数据科技有限公司，tdengin |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.' FROM 1)
substring('北京涛思数据科技有限公司，tdengine.' fro |
===================================================================
北京涛思数据科技有限公司，tdengine. |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.' FROM 1 FOR 5)
substring('北京涛思数据科技有限公司，tdengine.' fro |
===================================================================
北京涛思数 |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.' FROM 1 FOR 20)
substring('北京涛思数据科技有限公司，tdengine.' fro |
===================================================================
北京涛思数据科技有限公司，tdengin |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.', -6)
substring('北京涛思数据科技有限公司，tdengine.', -6 |
===================================================================
ngine. |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.', -6, 5)
substring('北京涛思数据科技有限公司，tdengine.', -6 |
===================================================================
ngine |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.', -6, 20)
substring('北京涛思数据科技有限公司，tdengine.', -6 |
===================================================================
ngine. |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.' FROM -6)
substring('北京涛思数据科技有限公司，tdengine.' fro |
===================================================================
ngine. |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.' FROM -6 FOR 5)
substring('北京涛思数据科技有限公司，tdengine.' fro |
===================================================================
ngine |
taos> select SUBSTRING('北京涛思数据科技有限公司，tdengine.' FROM -6 FOR 20)
substring('北京涛思数据科技有限公司，tdengine.' fro |
===================================================================
ngine. |
taos> select SUBSTRING(nch1, 1) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1, 1) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTRING(nch1, 1, 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1, 1, 5) |
=================================
一二三四五 |
prisi |
一二三四五 |
prisi |
abc一二 |
taos> select SUBSTRING(nch1, 1, 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1, 1, 20) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTRING(nch1 FROM 1) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1 from 1) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTRING(nch1 FROM 1 FOR 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1 from 1 for 5) |
=================================
一二三四五 |
prisi |
一二三四五 |
prisi |
abc一二 |
taos> select SUBSTRING(nch1 FROM 1 FOR 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1 from 1 for 20) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTRING(nch1, -6) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1, -6) |
=================================
五六七八九十 |
rision |
五六七八九十 |
rision |
一二三abc |
taos> select SUBSTRING(nch1, -6, 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1, -6, 5) |
=================================
五六七八九 |
risio |
五六七八九 |
risio |
一二三ab |
taos> select SUBSTRING(nch1, -6, 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1, -6, 20) |
=================================
五六七八九十 |
rision |
五六七八九十 |
rision |
一二三abc |
taos> select SUBSTRING(nch1 FROM -6) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1 from -6) |
=================================
五六七八九十 |
rision |
五六七八九十 |
rision |
一二三abc |
taos> select SUBSTRING(nch1 FROM -6 FOR 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1 from -6 for 5) |
=================================
五六七八九 |
risio |
五六七八九 |
risio |
一二三ab |
taos> select SUBSTRING(nch1 FROM -6 FOR 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1 from -6 for 20) |
=================================
五六七八九十 |
rision |
五六七八九十 |
rision |
一二三abc |
taos> select SUBSTRING(var1, 1) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1, 1) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTRING(var1, 1, 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1, 1, 5) |
=================================
一二三四五 |
prisi |
prisi |
abc一二 |
一二三12 |
taos> select SUBSTRING(var1, 1, 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1, 1, 20) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTRING(var1 FROM 1) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1 from 1) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTRING(var1 FROM 1 FOR 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1 from 1 for 5) |
=================================
一二三四五 |
prisi |
prisi |
abc一二 |
一二三12 |
taos> select SUBSTRING(var1 FROM 1 FOR 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1 from 1 for 20) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTRING(var1, -6) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1, -6) |
=================================
五六七八九十 |
rision |
rision |
一二三abc |
321三二一 |
taos> select SUBSTRING(var1, -6, 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1, -6, 5) |
=================================
五六七八九 |
risio |
risio |
一二三ab |
321三二 |
taos> select SUBSTRING(var1, -6, 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1, -6, 20) |
=================================
五六七八九十 |
rision |
rision |
一二三abc |
321三二一 |
taos> select SUBSTRING(var1 FROM -6) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1 from -6) |
=================================
五六七八九十 |
rision |
rision |
一二三abc |
321三二一 |
taos> select SUBSTRING(var1 FROM -6 FOR 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1 from -6 for 5) |
=================================
五六七八九 |
risio |
risio |
一二三ab |
321三二 |
taos> select SUBSTRING(var1 FROM -6 FOR 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1 from -6 for 20) |
=================================
五六七八九十 |
rision |
rision |
一二三abc |
321三二一 |
taos> select SUBSTRING(nch1, sign(id), 1) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1, sign(id), 1) |
=================================
一 |
p |
一 |
p |
a |
taos> select SUBSTRING(nch1, sign(id), 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1, sign(id), 5) |
=================================
一二三四五 |
prisi |
一二三四五 |
prisi |
abc一二 |
taos> select SUBSTRING(nch1, sign(id), 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1, sign(id), 20) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTRING(nch1 FROM sign(id)) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1 from sign(id)) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTRING(nch1 FROM sign(id) FOR 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1 from sign(id) for 5) |
======================================
一二三四五 |
prisi |
一二三四五 |
prisi |
abc一二 |
taos> select SUBSTRING(nch1 FROM sign(id) FOR 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1 from sign(id) for 20) |
=======================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTRING(var1, sign(id), 1) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1, sign(id), 1) |
=================================
一 |
p |
p |
a |
一 |
taos> select SUBSTRING(var1, sign(id), 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1, sign(id), 5) |
=================================
一二三四五 |
prisi |
prisi |
abc一二 |
一二三12 |
taos> select SUBSTRING(var1, sign(id), 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1, sign(id), 20) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTRING(var1 FROM sign(id)) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1 from sign(id)) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTRING(var1 FROM sign(id) FOR 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1 from sign(id) for 5) |
======================================
一二三四五 |
prisi |
prisi |
abc一二 |
一二三12 |
taos> select SUBSTRING(var1 FROM sign(id) FOR 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1 from sign(id) for 20) |
=======================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTRING(nch1, 2, id) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1, 2, id) |
=================================
二 |
ris |
二三四五六七八 |
rision |
bc一二三abc一二三a |
taos> select SUBSTRING(nch1 FROM 2 FOR id) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substring(nch1 from 2 for id) |
=================================
二 |
ris |
二三四五六七八 |
rision |
bc一二三abc一二三a |
taos> select SUBSTRING(var1, 2, id) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1, 2, id) |
=================================
二三四五 |
rision |
rision |
bc一二三abc一二三a |
二三123321三二一 |
taos> select SUBSTRING(var1 FROM 2 FOR id) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substring(var1 from 2 for id) |
=================================
二三四五 |
rision |
rision |
bc一二三abc一二三a |
二三123321三二一 |
taos> select SUBSTR('Hello.World!', 1)
substr('Hello.World!', 1) |
============================
Hello.World! |
taos> select SUBSTR('Hello.World!', 1, 5)
substr('Hello.World!', 1, 5) |
===============================
Hello |
taos> select SUBSTR('Hello.World!', 1, 20)
substr('Hello.World!', 1, 20) |
================================
Hello.World! |
taos> select SUBSTR('Hello.World!' FROM 1)
substr('Hello.World!' from 1) |
================================
Hello.World! |
taos> select SUBSTR('Hello.World!' FROM 1 FOR 5)
substr('Hello.World!' from 1 for 5) |
======================================
Hello |
taos> select SUBSTR('Hello.World!' FROM 1 FOR 20)
substr('Hello.World!' from 1 for 20) |
=======================================
Hello.World! |
taos> select SUBSTR('Hello.World!', -6)
substr('Hello.World!', -6) |
=============================
World! |
taos> select SUBSTR('Hello.World!', -6, 5)
substr('Hello.World!', -6, 5) |
================================
World |
taos> select SUBSTR('Hello.World!', -6, 20)
substr('Hello.World!', -6, 20) |
=================================
World! |
taos> select SUBSTR('Hello.World!' FROM -6)
substr('Hello.World!' from -6) |
=================================
World! |
taos> select SUBSTR('Hello.World!' FROM -6 FOR 5)
substr('Hello.World!' from -6 for 5) |
=======================================
World |
taos> select SUBSTR('Hello.World!' FROM -6 FOR 20)
substr('Hello.World!' from -6 for 20) |
========================================
World! |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.', 1)
substr('北京涛思数据科技有限公司，tdengine.', 1) |
================================================================
北京涛思数据科技有限公司，tdengine. |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.', 1, 5)
substr('北京涛思数据科技有限公司，tdengine.', 1, 5) |
===================================================================
北京涛思数 |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.', 1, 20)
substr('北京涛思数据科技有限公司，tdengine.', 1, 20 |
===================================================================
北京涛思数据科技有限公司，tdengin |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.' FROM 1)
substr('北京涛思数据科技有限公司，tdengine.' from 1 |
===================================================================
北京涛思数据科技有限公司，tdengine. |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.' FROM 1 FOR 5)
substr('北京涛思数据科技有限公司，tdengine.' from 1 |
===================================================================
北京涛思数 |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.' FROM 1 FOR 20)
substr('北京涛思数据科技有限公司，tdengine.' from 1 |
===================================================================
北京涛思数据科技有限公司，tdengin |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.', -6)
substr('北京涛思数据科技有限公司，tdengine.', -6) |
=================================================================
ngine. |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.', -6, 5)
substr('北京涛思数据科技有限公司，tdengine.', -6, 5 |
===================================================================
ngine |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.', -6, 20)
substr('北京涛思数据科技有限公司，tdengine.', -6, 2 |
===================================================================
ngine. |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.' FROM -6)
substr('北京涛思数据科技有限公司，tdengine.' from - |
===================================================================
ngine. |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.' FROM -6 FOR 5)
substr('北京涛思数据科技有限公司，tdengine.' from - |
===================================================================
ngine |
taos> select SUBSTR('北京涛思数据科技有限公司，tdengine.' FROM -6 FOR 20)
substr('北京涛思数据科技有限公司，tdengine.' from - |
===================================================================
ngine. |
taos> select SUBSTR(nch1, 1) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1, 1) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTR(nch1, 1, 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1, 1, 5) |
=================================
一二三四五 |
prisi |
一二三四五 |
prisi |
abc一二 |
taos> select SUBSTR(nch1, 1, 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1, 1, 20) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTR(nch1 FROM 1) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1 from 1) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTR(nch1 FROM 1 FOR 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1 from 1 for 5) |
=================================
一二三四五 |
prisi |
一二三四五 |
prisi |
abc一二 |
taos> select SUBSTR(nch1 FROM 1 FOR 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1 from 1 for 20) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTR(nch1, -6) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1, -6) |
=================================
五六七八九十 |
rision |
五六七八九十 |
rision |
一二三abc |
taos> select SUBSTR(nch1, -6, 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1, -6, 5) |
=================================
五六七八九 |
risio |
五六七八九 |
risio |
一二三ab |
taos> select SUBSTR(nch1, -6, 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1, -6, 20) |
=================================
五六七八九十 |
rision |
五六七八九十 |
rision |
一二三abc |
taos> select SUBSTR(nch1 FROM -6) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1 from -6) |
=================================
五六七八九十 |
rision |
五六七八九十 |
rision |
一二三abc |
taos> select SUBSTR(nch1 FROM -6 FOR 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1 from -6 for 5) |
=================================
五六七八九 |
risio |
五六七八九 |
risio |
一二三ab |
taos> select SUBSTR(nch1 FROM -6 FOR 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1 from -6 for 20) |
=================================
五六七八九十 |
rision |
五六七八九十 |
rision |
一二三abc |
taos> select SUBSTR(var1, 1) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1, 1) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTR(var1, 1, 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1, 1, 5) |
=================================
一二三四五 |
prisi |
prisi |
abc一二 |
一二三12 |
taos> select SUBSTR(var1, 1, 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1, 1, 20) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTR(var1 FROM 1) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1 from 1) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTR(var1 FROM 1 FOR 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1 from 1 for 5) |
=================================
一二三四五 |
prisi |
prisi |
abc一二 |
一二三12 |
taos> select SUBSTR(var1 FROM 1 FOR 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1 from 1 for 20) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTR(var1, -6) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1, -6) |
=================================
五六七八九十 |
rision |
rision |
一二三abc |
321三二一 |
taos> select SUBSTR(var1, -6, 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1, -6, 5) |
=================================
五六七八九 |
risio |
risio |
一二三ab |
321三二 |
taos> select SUBSTR(var1, -6, 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1, -6, 20) |
=================================
五六七八九十 |
rision |
rision |
一二三abc |
321三二一 |
taos> select SUBSTR(var1 FROM -6) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1 from -6) |
=================================
五六七八九十 |
rision |
rision |
一二三abc |
321三二一 |
taos> select SUBSTR(var1 FROM -6 FOR 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1 from -6 for 5) |
=================================
五六七八九 |
risio |
risio |
一二三ab |
321三二 |
taos> select SUBSTR(var1 FROM -6 FOR 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1 from -6 for 20) |
=================================
五六七八九十 |
rision |
rision |
一二三abc |
321三二一 |
taos> select SUBSTR(nch1, sign(id), 1) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1, sign(id), 1) |
=================================
一 |
p |
一 |
p |
a |
taos> select SUBSTR(nch1, sign(id), 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1, sign(id), 5) |
=================================
一二三四五 |
prisi |
一二三四五 |
prisi |
abc一二 |
taos> select SUBSTR(nch1, sign(id), 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1, sign(id), 20) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTR(nch1 FROM sign(id)) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1 from sign(id)) |
=================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTR(nch1 FROM sign(id) FOR 5) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1 from sign(id) for 5) |
===================================
一二三四五 |
prisi |
一二三四五 |
prisi |
abc一二 |
taos> select SUBSTR(nch1 FROM sign(id) FOR 20) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1 from sign(id) for 20) |
====================================
一二三四五六七八九十 |
prision |
一二三四五六七八九十 |
prision |
abc一二三abc一二三abc |
taos> select SUBSTR(var1, sign(id), 1) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1, sign(id), 1) |
=================================
一 |
p |
p |
a |
一 |
taos> select SUBSTR(var1, sign(id), 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1, sign(id), 5) |
=================================
一二三四五 |
prisi |
prisi |
abc一二 |
一二三12 |
taos> select SUBSTR(var1, sign(id), 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1, sign(id), 20) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTR(var1 FROM sign(id)) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1 from sign(id)) |
=================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTR(var1 FROM sign(id) FOR 5) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1 from sign(id) for 5) |
===================================
一二三四五 |
prisi |
prisi |
abc一二 |
一二三12 |
taos> select SUBSTR(var1 FROM sign(id) FOR 20) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1 from sign(id) for 20) |
====================================
一二三四五六七八九十 |
prision |
prision |
abc一二三abc一二三abc |
一二三123321三二一 |
taos> select SUBSTR(nch1, 2, id) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1, 2, id) |
=================================
二 |
ris |
二三四五六七八 |
rision |
bc一二三abc一二三a |
taos> select SUBSTR(nch1 FROM 2 FOR id) from ts_4893.meters where char_length(nch1) > 6 order by ts limit 5
substr(nch1 from 2 for id) |
=================================
二 |
ris |
二三四五六七八 |
rision |
bc一二三abc一二三a |
taos> select SUBSTR(var1, 2, id) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1, 2, id) |
=================================
二三四五 |
rision |
rision |
bc一二三abc一二三a |
二三123321三二一 |
taos> select SUBSTR(var1 FROM 2 FOR id) from ts_4893.meters where char_length(var1) > 6 order by ts limit 5
substr(var1 from 2 for id) |
=================================
二三四五 |
rision |
rision |
bc一二三abc一二三a |
二三123321三二一 |
taos> select substring('tdengine', 2)
substring('tdengine', 2) |
===========================
dengine |
taos> select substring('tdengine', 8)
substring('tdengine', 8) |
===========================
e |
taos> select substring('tdengine', 1, 3)
substring('tdengine', 1, 3) |
==============================
tde |
taos> select substring('tdengine', 2, 99)
substring('tdengine', 2, 99) |
===============================
dengine |
taos> select substring('tdengine', -1, 10)
substring('tdengine', -1, 10) |
================================
e |
taos> select substring('中国', 1, 3)
substring('中国', 1, 3) |
============================
中国 |
taos> select substring('中国tdengine', 1, 3)
substring('中国tdengine', 1, 3) |
====================================
中国t |
taos> select substring(var1, 1, 5) from ts_4893.d0 order by ts limit 10
substring(var1, 1, 5) |
=================================
novel |
perso |
novel |
plate |
一二三四五 |
updat |
prisi |
perso |
prisi |
plate |
taos> select substring(var1, 1, 5) from ts_4893.meters order by ts limit 10
substring(var1, 1, 5) |
=================================
novel |
perso |
novel |
plate |
一二三四五 |
updat |
prisi |
perso |
prisi |
plate |
taos> select substring(nch1, 1, 5) from ts_4893.d0 order by ts limit 10
substring(nch1, 1, 5) |
=================================
novel |
一二三四五 |
updat |
prisi |
novel |
novel |
again |
一二三四五 |
novel |
again |
taos> select substring(nch1, 1, 5) from ts_4893.meters order by ts limit 10
substring(nch1, 1, 5) |
=================================
novel |
一二三四五 |
updat |
prisi |
novel |
novel |
again |
一二三四五 |
novel |
again |
taos> select substring(null, 1, 3)
substring(null, 1, 3) |
========================
NULL |
taos> select substring('tdengine', null, 3)
substring('tdengine', null, 3) |
=================================
NULL |
taos> select substring('tdengine', 0)
substring('tdengine', 0) |
===========================
|
taos> select substring('tdengine', 10)
substring('tdengine', 10) |
============================
|
taos> select substring('tdengine', 1, null)
substring('tdengine', 1, null) |
=================================
NULL |
taos> select substring('tdengine', 1, 0)
substring('tdengine', 1, 0) |
==============================
|
taos> select substring('tdengine', 1, -1)
substring('tdengine', 1, -1) |
===============================
|
taos> select substr(null, 1, 3)
substr(null, 1, 3) |
=====================
NULL |
taos> select substr('Hello', 1, 3)
substr('Hello', 1, 3) |
========================
Hel |
taos> select substr('', 1, 5)
substr('', 1, 5) |
===================
|
taos> select substr('ABCDE', 0, 3)
substr('ABCDE', 0, 3) |
========================
|
taos> select substr('ABCDEFG', -3, 2)
substr('ABCDEFG', -3, 2) |
===========================
EF |
taos> select substr('HelloWorld', 2, 5)
substr('HelloWorld', 2, 5) |
=============================
elloW |
taos> select substr('1234567890', -5, 5)
substr('1234567890', -5, 5) |
==============================
67890 |
taos> select substr('!@#$%^&*()', 2, 4)
substr('!@#$%^&*()', 2, 4) |
=============================
@#$% |
taos> select substr('你好世界', 3, 2)
substr('你好世界', 3, 2) |
===============================
世界 |
taos> select substr('ABCDEFG', 10, 5)
substr('ABCDEFG', 10, 5) |
===========================
|
taos> select substr('ABCDEFG', -1, 3)
substr('ABCDEFG', -1, 3) |
===========================
G |
taos> select substr('1234567890', -15, 5)
substr('1234567890', -15, 5) |
===============================
12345 |
taos> select substr(concat('Hello', 'World'), 1, 5)
substr(concat('Hello', 'World'), 1, 5) |
=========================================
Hello |
taos> select substr('HelloWorld', 1, length('Hello'))
substr('HelloWorld', 1, length('Hello')) |
===========================================
Hello |
taos> select substr(upper('helloworld'), 2, 4)
substr(upper('helloworld'), 2, 4) |
====================================
ELLO |
taos> select substr(trim(' HelloWorld '), 1, 5)
substr(trim(' HelloWorld '), 1, 5) |
=======================================
Hello |
taos> select name, substr(name, 1, 3) from ts_4893.meters limit 1
name | substr(name, 1, 3) |
==================================================================
lili | lil |
taos> select var1, substr(var1, 1, 6) from ts_4893.meters limit 1
var1 | substr(var1, 1, 6) |
==================================================================
novel | novel |
taos> select nch1, substr(nch1, 2, 4) from ts_4893.meters limit 1
nch1 | substr(nch1, 2, 4) |
==================================================================
novel | ovel |
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