diff --git a/contrib/shark/src/backend_parser/gram-tsql-decl.y b/contrib/shark/src/backend_parser/gram-tsql-decl.y
index 136f19e6e33ae910fb3587797b02d328c8aa7fb2..3a7b58023084b8221b30fb2ad0d4e566bf76b4b0 100644
--- a/contrib/shark/src/backend_parser/gram-tsql-decl.y
+++ b/contrib/shark/src/backend_parser/gram-tsql-decl.y
@@ -2,4 +2,8 @@
 %type <node> tsql_stmt tsql_CreateProcedureStmt tsql_IndexStmt
 
 %token <keyword> TSQL_CLUSTERED TSQL_NONCLUSTERED TSQL_COLUMNSTORE
+
+%token <keyword> TSQL_NOLOCK TSQL_UPDLOCK TSQL_TABLOCK TSQL_TABLOCKX TSQL_PAGLOCK TSQL_ROWLOCK TSQL_XLOCK TSQL_NOWAIT TSQL_NOEXPAND TSQL_READPAST
+%token <keyword> TSQL_READUNCOMMITTED TSQL_REPEATABLEREAD TSQL_SERIALIZABLE TSQL_READCOMMITTED TSQL_SNAPSHOT
+
 %type <keyword>  tsql_opt_clustered tsql_opt_columnstore
\ No newline at end of file