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*: add show table regions syntax #349

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merged 7 commits into from
Jul 2, 2019
Merged

*: add show table regions syntax #349

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834992c
*: add split table status syntax
crazycs520 Jun 10, 2019
466b1f1
change syntax to 'SHOW TABLE table_name [INDEX] [index_name] REGIONS'
crazycs520 Jun 11, 2019
83815e4
Merge branch 'master' of https://github.com/pingcap/parser into split…
crazycs520 Jun 11, 2019
696f729
indent by tabs
crazycs520 Jun 13, 2019
a34d1db
Merge branch 'master' of https://github.com/pingcap/parser into split…
crazycs520 Jun 13, 2019
028280b
refine tab
crazycs520 Jun 13, 2019
39895c0
Merge branch 'master' of https://github.com/pingcap/parser into split…
crazycs520 Jul 2, 2019
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15 changes: 14 additions & 1 deletion ast/dml.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1827,6 +1827,7 @@ const (
ShowDrainerStatus
ShowOpenTables
ShowAnalyzeStatus
ShowRegions
)

const (
Expand All @@ -1852,7 +1853,8 @@ type ShowStmt struct {
DBName string
Table *TableName // Used for showing columns.
Column *ColumnName // Used for `desc table column`.
Flag int // Some flag parsed from sql, such as FULL.
IndexName model.CIStr
Flag int // Some flag parsed from sql, such as FULL.
Full bool
User *auth.UserIdentity // Used for show grants/create user.
Roles []*auth.RoleIdentity // Used for show grants .. using
Expand Down Expand Up @@ -2088,6 +2090,17 @@ func (n *ShowStmt) Restore(ctx *RestoreCtx) error {
ctx.WriteKeyWord("DRAINER STATUS")
case ShowAnalyzeStatus:
ctx.WriteKeyWord("ANALYZE STATUS")
case ShowRegions:
ctx.WriteKeyWord("TABLE ")
if err := n.Table.Restore(ctx); err != nil {
return errors.Annotate(err, "An error occurred while restore SplitIndexRegionStmt.Table")
}
if len(n.IndexName.L) > 0 {
ctx.WriteKeyWord(" INDEX ")
ctx.WriteName(n.IndexName.String())
}
ctx.WriteKeyWord(" REGIONS")
return nil
default:
return errors.New("Unknown ShowStmt type")
}
Expand Down
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