feat: add bitwise and/or operators (#841)

Signed-off-by: xxchan <xxchan22f@gmail.com>

Author: xxchan

src/backend/query_builder.rs

@@ -589,6 +589,8 @@ pub trait QueryBuilder:
                 BinOper::As => "AS",
                 BinOper::Escape => "ESCAPE",
                 BinOper::Custom(raw) => raw,
+                BinOper::BitAnd => "&",
+                BinOper::BitOr => "|",
                 #[allow(unreachable_patterns)]
                 _ => unimplemented!(),
             }

src/expr.rs

@@ -1299,6 +1299,72 @@ pub trait ExprTrait: Sized {
     /// );
     /// ```
     fn unary(self, o: UnOper) -> SimpleExpr;
+
+    /// Express a bitwise AND operation.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use sea_query::{tests_cfg::*, *};
+    ///
+    /// let query = Query::select()
+    ///     .columns([Char::Character, Char::SizeW, Char::SizeH])
+    ///     .from(Char::Table)
+    ///     .and_where(1.bit_and(1).eq(1))
+    ///     .to_owned();
+    ///
+    /// assert_eq!(
+    ///     query.to_string(MysqlQueryBuilder),
+    ///     r#"SELECT `character`, `size_w`, `size_h` FROM `character` WHERE (1 & 1) = 1"#
+    /// );
+    /// assert_eq!(
+    ///     query.to_string(PostgresQueryBuilder),
+    ///     r#"SELECT "character", "size_w", "size_h" FROM "character" WHERE (1 & 1) = 1"#
+    /// );
+    /// assert_eq!(
+    ///     query.to_string(SqliteQueryBuilder),
+    ///     r#"SELECT "character", "size_w", "size_h" FROM "character" WHERE (1 & 1) = 1"#
+    /// );
+    /// ```
+    fn bit_and<R>(self, right: R) -> SimpleExpr
+    where
+        R: Into<SimpleExpr>,
+    {
+        ExprTrait::binary(self, BinOper::BitAnd, right)
+    }
+
+    /// Express a bitwise OR operation.
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use sea_query::{tests_cfg::*, *};
+    ///
+    /// let query = Query::select()
+    ///     .columns([Char::Character, Char::SizeW, Char::SizeH])
+    ///     .from(Char::Table)
+    ///     .and_where(1.bit_or(1).eq(1))
+    ///     .to_owned();
+    ///
+    /// assert_eq!(
+    ///     query.to_string(MysqlQueryBuilder),
+    ///     r#"SELECT `character`, `size_w`, `size_h` FROM `character` WHERE (1 | 1) = 1"#
+    /// );
+    /// assert_eq!(
+    ///     query.to_string(PostgresQueryBuilder),
+    ///     r#"SELECT "character", "size_w", "size_h" FROM "character" WHERE (1 | 1) = 1"#
+    /// );
+    /// assert_eq!(
+    ///     query.to_string(SqliteQueryBuilder),
+    ///     r#"SELECT "character", "size_w", "size_h" FROM "character" WHERE (1 | 1) = 1"#
+    /// );
+    /// ```
+    fn bit_or<R>(self, right: R) -> SimpleExpr
+    where
+        R: Into<SimpleExpr>,
+    {
+        ExprTrait::binary(self, BinOper::BitOr, right)
+    }
 }
 
 /// This generic implementation covers all expression types,

src/types.rs

@@ -181,6 +181,8 @@ pub enum BinOper {
     Mul,
     Div,
     Mod,
+    BitAnd,
+    BitOr,
     LShift,
     RShift,
     As,