add bitAnd and bitOr BinaryExpressionType and operator

ktorm-core/src/main/kotlin/org/ktorm/dsl/Operators.kt

@@ -696,3 +696,49 @@ public fun ColumnDeclaring<Boolean>.toInt(): CastingExpression<Int> {
 public fun <T : Any> ColumnDeclaring<*>.cast(sqlType: SqlType<T>): CastingExpression<T> {
     return CastingExpression(asExpression(), sqlType)
 }
+
+// --------- bit And ------------
+
+/**
+ * And operator, translated to the `&` keyword in SQL.
+ */
+public infix fun ColumnDeclaring<Int>.bitAnd(expr: ColumnDeclaring<Int>): BinaryExpression<Int> {
+    return BinaryExpression(BinaryExpressionType.BIT_AND, asExpression(), expr.asExpression(), IntSqlType)
+}
+
+/**
+ * And operator, translated to the `&` keyword in SQL.
+ */
+public infix fun ColumnDeclaring<Int>.bitAnd(value: Int): BinaryExpression<Int> {
+    return this bitAnd wrapArgument(value)
+}
+
+/**
+ * And operator, translated to the `&` keyword in SQL.
+ */
+public infix fun Int.bitAnd(expr: ColumnDeclaring<Int>): BinaryExpression<Int> {
+    return expr.wrapArgument(this) bitAnd expr
+}
+
+// --------- bit Or ------------
+
+/**
+ * And operator, translated to the `|` keyword in SQL.
+ */
+public infix fun ColumnDeclaring<Int>.bitOr(expr: ColumnDeclaring<Int>): BinaryExpression<Int> {
+    return BinaryExpression(BinaryExpressionType.BIT_AND, asExpression(), expr.asExpression(), IntSqlType)
+}
+
+/**
+ * And operator, translated to the `|` keyword in SQL.
+ */
+public infix fun ColumnDeclaring<Int>.bitOr(value: Int): BinaryExpression<Int> {
+    return this bitOr wrapArgument(value)
+}
+
+/**
+ * And operator, translated to the `|` keyword in SQL.
+ */
+public infix fun Int.bitOr(expr: ColumnDeclaring<Int>): BinaryExpression<Int> {
+    return expr.wrapArgument(this) bitOr expr
+}

ktorm-core/src/main/kotlin/org/ktorm/expression/SqlExpressions.kt

@@ -475,7 +475,17 @@ public enum class BinaryExpressionType(private val value: String) {
     /**
      * Not-equal operator, translated to `<>` in SQL.
      */
-    NOT_EQUAL("<>");
+    NOT_EQUAL("<>"),
+
+    /**
+     * bit-and operator, translated to `&` in SQL.
+     */
+    BIT_AND("&"),
+
+    /**
+     * bit-or operator, translated to `|` in SQL.
+     */
+    BIT_OR("|");
 
     override fun toString(): String {
         return value