From 9f3f5a19c1e796d0a1ed68550ef16ddece5865e5 Mon Sep 17 00:00:00 2001
From: Alex Qyoun-ae <4062971+MazterQyou@users.noreply.github.com>
Date: Fri, 10 Jun 2022 18:47:37 +0400
Subject: [PATCH 1/2] feat: Allow expressions in `LIMIT`

---
 src/parser.rs             | 2 +-
 tests/sqlparser_common.rs | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/parser.rs b/src/parser.rs
index 098692d35..9a5f7675e 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -4243,7 +4243,7 @@ impl<'a> Parser<'a> {
         if self.parse_keyword(Keyword::ALL) {
             Ok(None)
         } else {
-            Ok(Some(Expr::Value(self.parse_number_value()?)))
+            Ok(Some(self.parse_expr()?))
         }
     }
 
diff --git a/tests/sqlparser_common.rs b/tests/sqlparser_common.rs
index 0f0dcab28..df4ae39d7 100644
--- a/tests/sqlparser_common.rs
+++ b/tests/sqlparser_common.rs
@@ -4614,6 +4614,13 @@ fn test_placeholder() {
             right: Box::new(Expr::Value(Value::Placeholder("$Id1".into())))
         })
     );
+
+    let sql = "SELECT * FROM student LIMIT $1";
+    let ast = dialects.verified_query(sql);
+    assert_eq!(
+        ast.limit,
+        Some(Expr::Value(Value::Placeholder("$1".into())))
+    );
 }
 
 #[test]

From 8e00fadaeb94cb89cba643c5fd8a0d907b0b05e7 Mon Sep 17 00:00:00 2001
From: Alex Qyoun-ae <4062971+MazterQyou@users.noreply.github.com>
Date: Thu, 16 Jun 2022 11:32:56 +0400
Subject: [PATCH 2/2] chore: Box `Query` in `Cte`

---
 src/ast/query.rs          | 2 +-
 src/parser.rs             | 4 ++--
 tests/sqlparser_common.rs | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/ast/query.rs b/src/ast/query.rs
index 331857e78..f6db18e05 100644
--- a/src/ast/query.rs
+++ b/src/ast/query.rs
@@ -266,7 +266,7 @@ impl fmt::Display for With {
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct Cte {
     pub alias: TableAlias,
-    pub query: Query,
+    pub query: Box<Query>,
     pub from: Option<Ident>,
 }
 
diff --git a/src/parser.rs b/src/parser.rs
index 9a5f7675e..03eee7070 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -3172,7 +3172,7 @@ impl<'a> Parser<'a> {
 
         let mut cte = if self.parse_keyword(Keyword::AS) {
             self.expect_token(&Token::LParen)?;
-            let query = self.parse_query()?;
+            let query = Box::new(self.parse_query()?);
             self.expect_token(&Token::RParen)?;
             let alias = TableAlias {
                 name,
@@ -3187,7 +3187,7 @@ impl<'a> Parser<'a> {
             let columns = self.parse_parenthesized_column_list(Optional)?;
             self.expect_keyword(Keyword::AS)?;
             self.expect_token(&Token::LParen)?;
-            let query = self.parse_query()?;
+            let query = Box::new(self.parse_query()?);
             self.expect_token(&Token::RParen)?;
             let alias = TableAlias { name, columns };
             Cte {
diff --git a/tests/sqlparser_common.rs b/tests/sqlparser_common.rs
index df4ae39d7..3a473bd90 100644
--- a/tests/sqlparser_common.rs
+++ b/tests/sqlparser_common.rs
@@ -3281,7 +3281,7 @@ fn parse_recursive_cte() {
                 quote_style: None,
             }],
         },
-        query: cte_query,
+        query: Box::new(cte_query),
         from: None,
     };
     assert_eq!(with.cte_tables.first().unwrap(), &expected);