Rename filter method to wher, as filter is a SQL keyword with a different use case

src/drivers/postgres.rs

@@ -55,4 +55,4 @@ impl DatabaseDriver for PostgresDriver {
     fn random(&self) -> String {
         String::from(" RANDOM()")
     }
-}
+}

src/query_builder.rs

@@ -284,6 +284,9 @@ impl QueryBuilder {
     ///
     /// // Other operators can be used with a separating space
     /// qb.r#where("key >", 4);
+    ///
+    /// // If you don't like the r#where syntax, you can use the wher method instead
+    /// qb.wher("key >", 4);
     /// ```
     pub fn r#where(&mut self, key: &str, value: impl Any) -> &mut Self {
         self._where_string(key, value, "AND")
@@ -291,7 +294,7 @@ impl QueryBuilder {
 
     /// Alias method for `where`, as using the `where` method requires
     /// using the raw identifier `r#where`.
-    pub fn filter(&mut self, key: &str, value: impl Any) -> &mut Self {
+    pub fn wher(&mut self, key: &str, value: impl Any) -> &mut Self {
         self.r#where(key, value)
     }