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Lost connection when using builtin function #13044

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you06 opened this issue Oct 31, 2019 · 0 comments · Fixed by #13064
Closed

Lost connection when using builtin function #13044

you06 opened this issue Oct 31, 2019 · 0 comments · Fixed by #13064
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component/expression good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. type/bug The issue is confirmed as a bug.

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@you06
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you06 commented Oct 31, 2019

Bug Report

Please answer these questions before submitting your issue. Thanks!

  1. What did you do?
mysql> select truncate(json_array(), 1);
ERROR 2013 (HY000): Lost connection to MySQL server during query
  1. What did you expect to see?

Return a value or an error.

  1. What did you see instead?

Go routine panic and lost connect.

  1. What version of TiDB are you using (tidb-server -V or run select tidb_version(); on TiDB)?
Release Version: v4.0.0-alpha-663-g7b27cfb60
Git Commit Hash: 7b27cfb60ffd8d26dad9d176edc8a386769ee4b6
Git Branch: master
UTC Build Time: 2019-10-30 12:10:27
GoVersion: go version go1.13 linux/amd64
Race Enabled: false
TiKV Min Version: v3.0.0-60965b006877ca7234adaced7890d7b029ed1306
Check Table Before Drop: false
@you06 you06 added the type/bug The issue is confirmed as a bug. label Oct 31, 2019
@SunRunAway SunRunAway added component/expression help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. labels Oct 31, 2019
@ekalinin ekalinin mentioned this issue Oct 31, 2019
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component/expression good first issue Denotes an issue ready for a new contributor, according to the "help wanted" guidelines. help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. type/bug The issue is confirmed as a bug.
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expression: fixed json type for truncate ekalinin/tidb
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@SunRunAway @you06