From 04545c4ce43a9c6909c7a7c9e28862ba21a4ddd8 Mon Sep 17 00:00:00 2001
From: t8y2 <1156263951@qq.com>
Date: Sat, 22 Aug 2026 13:39:32 +0800
Subject: [PATCH] MSSQL: Support PROC as CREATE PROCEDURE abbreviation

---
 src/dialect/mod.rs       |  6 ++++++
 src/dialect/mssql.rs     |  4 ++++
 src/keywords.rs          |  1 +
 src/parser/mod.rs        |  4 +++-
 tests/sqlparser_mssql.rs | 17 +++++++++++++++++
 5 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/src/dialect/mod.rs b/src/dialect/mod.rs
index c196913c1a..76fa5d7666 100644
--- a/src/dialect/mod.rs
+++ b/src/dialect/mod.rs
@@ -1310,6 +1310,12 @@ pub trait Dialect: Debug + Any {
         false
     }
 
+    /// Returns true if this dialect supports `PROC` as an abbreviation for
+    /// `PROCEDURE` in a `CREATE` statement.
+    fn supports_create_proc_syntax(&self) -> bool {
+        false
+    }
+
     /// Returns true if the dialect accepts a comma-separated list of table-level
     /// options placed between the table name and the column-list parenthesis, e.g.
     ///
diff --git a/src/dialect/mssql.rs b/src/dialect/mssql.rs
index 980b63d289..06a07b61d8 100644
--- a/src/dialect/mssql.rs
+++ b/src/dialect/mssql.rs
@@ -71,6 +71,10 @@ impl Dialect for MsSqlDialect {
         true
     }
 
+    fn supports_create_proc_syntax(&self) -> bool {
+        true
+    }
+
     fn supports_connect_by(&self) -> bool {
         true
     }
diff --git a/src/keywords.rs b/src/keywords.rs
index 7b91eecba0..deae7bbd94 100644
--- a/src/keywords.rs
+++ b/src/keywords.rs
@@ -820,6 +820,7 @@ define_keywords!(
     PRINT,
     PRIOR,
     PRIVILEGES,
+    PROC,
     PROCEDURE,
     PROCESSLIST,
     PROFILE,
diff --git a/src/parser/mod.rs b/src/parser/mod.rs
index 6fd25b9eb7..5044c083fd 100644
--- a/src/parser/mod.rs
+++ b/src/parser/mod.rs
@@ -5359,7 +5359,9 @@ impl<'a> Parser<'a> {
             self.parse_create_collation().map(Into::into)
         } else if self.parse_keyword(Keyword::TYPE) {
             self.parse_create_type()
-        } else if self.parse_keyword(Keyword::PROCEDURE) {
+        } else if self.parse_keyword(Keyword::PROCEDURE)
+            || self.dialect.supports_create_proc_syntax() && self.parse_keyword(Keyword::PROC)
+        {
             self.parse_create_procedure(or_alter)
         } else if self.parse_keyword(Keyword::CONNECTOR) {
             self.parse_create_connector().map(Into::into)
diff --git a/tests/sqlparser_mssql.rs b/tests/sqlparser_mssql.rs
index 4510f953e5..d978f4a69a 100644
--- a/tests/sqlparser_mssql.rs
+++ b/tests/sqlparser_mssql.rs
@@ -2941,3 +2941,20 @@ fn parse_bracket_quoted_function_argument_name() {
         }])
     );
 }
+
+#[test]
+fn parse_create_proc() {
+    ms().one_statement_parses_to(
+        "CREATE PROC test AS BEGIN SELECT 1; END",
+        "CREATE PROCEDURE test AS BEGIN SELECT 1; END",
+    );
+    ms().one_statement_parses_to(
+        "CREATE OR ALTER PROC test AS BEGIN SELECT 1; END",
+        "CREATE OR ALTER PROCEDURE test AS BEGIN SELECT 1; END",
+    );
+
+    TestedDialects::new(vec![Box::new(GenericDialect {})])
+        .parse_sql_statements("CREATE PROC test AS BEGIN SELECT 1; END")
+        .expect_err("PROC should remain MSSQL-specific");
+    ms_and_generic().verified_stmt("SELECT proc FROM jobs");
+}