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variable: update out of date comment (#26872)

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This commit is contained in:
Morgan Tocker
2021-08-03 23:33:06 -06:00
committed by GitHub
parent c13d51e5fd
commit 29f00372c5
1 changed files with 1 additions and 7 deletions
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8
sessionctx/variable/tidb_vars.go
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@ -26,13 +26,7 @@ import (
1. Add a new variable name with comment in this file.
2. Add the default value of the new variable in this file.
3. Add SysVar instance in 'defaultSysVars' slice with the default value.
4. Add a field in `SessionVars`.
5. Update the `NewSessionVars` function to set the field to its default value.
6. Update the `variable.SetSessionSystemVar` function to use the new value when SET statement is executed.
7. If it is a global variable, add it in `session.loadCommonGlobalVarsSQL`.
8. Update ValidateSetSystemVar if the variable's value need to be validated.
9. Use this variable to control the behavior in code.
3. Add SysVar instance in 'defaultSysVars' slice.
*/
// TiDB system variable names that only in session scope.