parser: fix STATS_AUTO_RECALC syntax (pingcap#483)

tiancaiamao · Aug 20, 2019 · c7b203b · c7b203b
1 parent 310a6da
commit c7b203b
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Showing 5 changed files with 6,927 additions and 6,854 deletions.
diff --git a/ast/ddl.go b/ast/ddl.go
@@ -1543,6 +1543,7 @@ const (
 	TableOptionDelayKeyWrite
 	TableOptionRowFormat
 	TableOptionStatsPersistent
+	TableOptionStatsAutoRecalc
 	TableOptionShardRowID
 	TableOptionPreSplitRegion
 	TableOptionPackKeys
@@ -1591,6 +1592,7 @@ const (
 // TableOption is used for parsing table option from SQL.
 type TableOption struct {
 	Tp        TableOptionType
+	Default   bool
 	StrValue  string
 	UintValue uint64
 }
@@ -1698,6 +1700,14 @@ func (n *TableOption) Restore(ctx *RestoreCtx) error {
 		ctx.WritePlain("= ")
 		ctx.WriteKeyWord("DEFAULT")
 		ctx.WritePlain(" /* TableOptionStatsPersistent is not supported */ ")
+	case TableOptionStatsAutoRecalc:
+		ctx.WriteKeyWord("STATS_AUTO_RECALC ")
+		ctx.WritePlain("= ")
+		if n.Default {
+			ctx.WriteKeyWord("DEFAULT")
+		} else {
+			ctx.WritePlainf("%d", n.UintValue)
+		}
 	case TableOptionShardRowID:
 		ctx.WriteKeyWord("SHARD_ROW_ID_BITS ")
 		ctx.WritePlainf("= %d", n.UintValue)
@@ -1731,7 +1741,7 @@ func (n *TableOption) Restore(ctx *RestoreCtx) error {
 	case TableOptionStatsSamplePages:
 		ctx.WriteKeyWord("STATS_SAMPLE_PAGES ")
 		ctx.WritePlain("= ")
-		if n.UintValue == 0 {
+		if n.Default {
 			ctx.WriteKeyWord("DEFAULT")
 		} else {
 			ctx.WritePlainf("%d", n.UintValue)

diff --git a/misc.go b/misc.go
@@ -533,6 +533,7 @@ var tokenMap = map[string]int{
 	"STATS_HISTOGRAMS":         statsHistograms,
 	"STATS_HEALTHY":            statsHealthy,
 	"STATS_META":               statsMeta,
+	"STATS_AUTO_RECALC":        statsAutoRecalc,
 	"STATS_PERSISTENT":         statsPersistent,
 	"STATS_SAMPLE_PAGES":       statsSamplePages,
 	"STATUS":                   status,