pingcap · crazycs520 · May 25, 2020 · May 25, 2020 · May 25, 2020 · May 25, 2020
diff --git a/media/sqlgram/AlterTableDropIndexSpec.png b/media/sqlgram/AlterTableDropIndexSpec.png
diff --git a/media/sqlgram/AlterTableDropIndexStmt.png b/media/sqlgram/AlterTableDropIndexStmt.png
diff --git a/media/sqlgram/FlashbackTableStmt.png b/media/sqlgram/FlashbackTableStmt.png
diff --git a/media/sqlgram/FlashbackToNewName.png b/media/sqlgram/FlashbackToNewName.png
diff --git a/media/sqlgram/IfExists.png b/media/sqlgram/IfExists.png
diff --git a/media/sqlgram/IgnoreOptional.png b/media/sqlgram/IgnoreOptional.png
diff --git a/media/sqlgram/Int64Num.png b/media/sqlgram/Int64Num.png
diff --git a/media/sqlgram/NUM.png b/media/sqlgram/NUM.png
diff --git a/media/sqlgram/PartitionNameListOpt.png b/media/sqlgram/PartitionNameListOpt.png
diff --git a/media/sqlgram/RecoverTableStmt.png b/media/sqlgram/RecoverTableStmt.png
diff --git a/media/sqlgram/RenameTableStmt.png b/media/sqlgram/RenameTableStmt.png
diff --git a/media/sqlgram/RowValue.png b/media/sqlgram/RowValue.png
diff --git a/media/sqlgram/ShowTableRegionStmt.png b/media/sqlgram/ShowTableRegionStmt.png
diff --git a/media/sqlgram/SplitOption.png b/media/sqlgram/SplitOption.png
diff --git a/media/sqlgram/SplitRegionStmt.png b/media/sqlgram/SplitRegionStmt.png
diff --git a/media/sqlgram/SplitSyntaxOption.png b/media/sqlgram/SplitSyntaxOption.png
diff --git a/media/sqlgram/TableName.png b/media/sqlgram/TableName.png
diff --git a/media/sqlgram/TableToTable.png b/media/sqlgram/TableToTable.png
diff --git a/media/sqlgram/WhereClause.png b/media/sqlgram/WhereClause.png
diff --git a/media/sqlgram/WhereClauseOptional.png b/media/sqlgram/WhereClauseOptional.png
diff --git a/sql-statements/sql-statement-drop-index.md b/sql-statements/sql-statement-drop-index.md
@@ -11,21 +11,29 @@ aliases: ['/docs-cn/dev/reference/sql/statements/drop-index/']
 
 ## 语法图
 
-**AlterTableStmt:**
+**AlterTableDropIndexStmt:**
 
-![AlterTableStmt](/media/sqlgram/AlterTableStmt.png)
+![AlterTableDropIndexStmt](/media/sqlgram/AlterTableDropIndexStmt.png)
 
-**AlterTableSpec:**
+**IgnoreOptional:**
 
-![AlterTableSpec](/media/sqlgram/AlterTableSpec.png)
+![IgnoreOptional](/media/sqlgram/IgnoreOptional.png)
+
+**TableName:**
+
+![TableName](/media/sqlgram/TableName.png)
+
+**AlterTableDropIndexSpec:**
+
+![AlterTableDropIndexSpec](/media/sqlgram/AlterTableDropIndexSpec.png)
 
 **KeyOrIndex:**
 
 ![KeyOrIndex](/media/sqlgram/KeyOrIndex.png)
 
-**Identifier:**
+**IfExists:**
 
-![Identifier](/media/sqlgram/Identifier.png)
+![IfExists](/media/sqlgram/IfExists.png)
 
 ## 示例
 

diff --git a/sql-statements/sql-statement-flashback-table.md b/sql-statements/sql-statement-flashback-table.md
@@ -24,6 +24,20 @@ aliases: ['/docs-cn/dev/reference/sql/statements/flashback-table/']
 FLASHBACK TABLE table_name [TO other_table_name]
 ```
 
+### 语法图
+
+**FlashbackTableStmt:**
+
+![FlashbackTableStmt](/media/sqlgram/FlashbackTableStmt.png)
+
+**TableName:**
+
+![TableName](/media/sqlgram/TableName.png)
+
+**FlashbackToNewName:**
+
+![FlashbackToNewName](/media/sqlgram/FlashbackToNewName.png)
+
 ## 注意事项
 
 如果删除了一张表并过了 GC lifetime，就不能再用 `FLASHBACK TABLE` 语句来恢复被删除的数据了，否则会返回错误，错误类似于 `Can't find dropped/truncated table 't' in GC safe point 2020-03-16 16:34:52 +0800 CST`。

diff --git a/sql-statements/sql-statement-recover-table.md b/sql-statements/sql-statement-recover-table.md
@@ -22,6 +22,24 @@ RECOVER TABLE table_name
 RECOVER TABLE BY JOB ddl_job_id
 ```
 
+### 语法图
+
+**RecoverTableStmt:**
+
+![RecoverTableStmt](/media/sqlgram/RecoverTableStmt.png)
+
+**TableName:**
+
+![TableName](/media/sqlgram/TableName.png)
+
+**Int64Num:**
+
+![Int64Num](/media/sqlgram/Int64Num.png)
+
+**NUM:**
+
+![NUM](/media/sqlgram/NUM.png)
+
 ## 注意事项
 
 如果删除表后并过了 GC lifetime，就不能再用 `RECOVER TABLE` 来恢复被删除的表了，执行 `RECOVER TABLE` 语句会返回类似错误：`snapshot is older than GC safe point 2019-07-10 13:45:57 +0800 CST`。

diff --git a/sql-statements/sql-statement-show-table-regions.md b/sql-statements/sql-statement-show-table-regions.md
@@ -9,14 +9,36 @@ aliases: ['/docs-cn/dev/reference/sql/statements/show-table-regions/']
 
 `SHOW TABLE REGIONS` 语句用于显示 TiDB 中某个表的 Region 信息。
 
-## 语法图
+## 语法
 
 ```sql
 SHOW TABLE [table_name] REGIONS [WhereClauseOptional];
 
 SHOW TABLE [table_name] INDEX [index_name] REGIONS [WhereClauseOptional];
 ```
 
+### 语法图
+
+**ShowTableRegionStmt:**
+
+![ShowTableRegionStmt](/media/sqlgram/ShowTableRegionStmt.png)
+
+**TableName:**
+
+![TableName](/media/sqlgram/TableName.png)
+
+**PartitionNameListOpt:**
+
+![PartitionNameListOpt](/media/sqlgram/PartitionNameListOpt.png)
+
+**WhereClauseOptional:**
+
+![WhereClauseOptional](/media/sqlgram/WhereClauseOptional.png)
+
+**WhereClause:**
+
+![WhereClause](/media/sqlgram/WhereClause.png)
+
 `SHOW TABLE REGIONS` 会返回如下列：
 
 * `REGION_ID`：Region 的 ID。

diff --git a/sql-statements/sql-statement-split-region.md b/sql-statements/sql-statement-split-region.md
@@ -12,6 +12,36 @@ aliases: ['/docs-cn/dev/reference/sql/statements/split-region/']
 
 为解决上述场景中的热点问题，TiDB 引入了预切分 Region 的功能，即可以根据指定的参数，预先为某个表切分出多个 Region，并打散到各个 TiKV 上去。
 
+## 语法图
+
+**SplitRegionStmt:**
+
+![SplitRegionStmt](/media/sqlgram/SplitRegionStmt.png)
+
+**SplitSyntaxOption:**
+
+![SplitSyntaxOption](/media/sqlgram/SplitSyntaxOption.png)
+
+**TableName:**
+
+![TableName](/media/sqlgram/TableName.png)
+
+**PartitionNameListOpt:**
+
+![PartitionNameListOpt](/media/sqlgram/PartitionNameListOpt.png)
+
+**SplitOption:**
+
+![SplitOption](/media/sqlgram/SplitOption.png)
+
+**RowValue:**
+
+![RowValue](/media/sqlgram/RowValue.png)
+
+**Int64Num:**
+
+![Int64Num](/media/sqlgram/Int64Num.png)
+
 ## Split Region 的使用
 
 Split Region 有 2 种不同的语法，具体如下：