chore

Signed-off-by: wk989898 <nhsmwk@gmail.com>

Author: wk989898

pkg/common/event/redo.go

@@ -84,16 +84,12 @@ type DDLEventInRedoLog struct {
 	NeedAddedTables   []Table           `msg:"need_added_tables"`
 }
 
+// ColumnInfo is for column meta in DDL event
 type ColumnInfo struct {
 	Name               string `msg:"name"`
 	OriginDefaultValue any    `msg:"origin_default"`
 	Type               byte   `msg:"type"`
-	// Version means the version of the column info.
-	// Version = 0: For OriginDefaultValue and DefaultValue of timestamp column will stores the default time in system time zone.
-	//              That is a bug if multiple TiDB servers in different system time zone.
-	// Version = 1: For OriginDefaultValue and DefaultValue of timestamp column will stores the default time in UTC time zone.
-	//              This will fix bug in version 0. For compatibility with version 0, we add version field in column info struct.
-	Version uint64 `msg:"version"`
+	Version            uint64 `msg:"version"`
 }
 
 // RedoColumn is for column meta