Update sql-statements/sql-statement-show-variables.md

Co-authored-by: kennytm <[email protected]>
pingcap · Apr 10, 2024 · a88d7f1 · a88d7f1
1 parent 8be836a
commit a88d7f1
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/sql-statements/sql-statement-show-variables.md b/sql-statements/sql-statement-show-variables.md
@@ -11,7 +11,11 @@ This statement shows a list of variables for the scope of either `GLOBAL` or `SE
 
 ```ebnf+diagram
 ShowVariablesStmt ::=
-    "SHOW" ("GLOBAL" | "SESSION")? VARIABLES ( "LIKE" stringLit | "WHERE" ("Variable_name" | "Value") "=" stringLit)?
+    "SHOW" ("GLOBAL" | "SESSION")? VARIABLES ShowLikeOrWhere?
+    
+ShowLikeOrWhere ::=
+    "LIKE" SimpleExpr
+|   "WHERE" Expression
 ```
 
 ## Examples