clean up use of modules

src/dialect.rs

@@ -1,34 +0,0 @@
-// Copyright 2018 Grove Enterprises LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//! Support for custom dialects
-
-pub use self::ansi_sql::AnsiSqlDialect;
-pub use self::generic_sql::GenericSqlDialect;
-pub use self::postgresql::PostgreSqlDialect;
-
-mod ansi_sql;
-mod generic_sql;
-mod postgresql;
-
-pub mod keywords;
-
-pub trait Dialect {
-    /// Get a list of keywords for this dialect
-    fn keywords(&self) -> Vec<&'static str>;
-    /// Determine if a character is a valid identifier start character
-    fn is_identifier_start(&self, ch: char) -> bool;
-    /// Determine if a character is a valid identifier character
-    fn is_identifier_part(&self, ch: char) -> bool;
-}

src/dialect/mod.rs

@@ -0,0 +1,18 @@
+mod ansi_sql;
+mod generic_sql;
+pub mod keywords;
+mod postgresql;
+
+
+pub use self::ansi_sql::AnsiSqlDialect;
+pub use self::generic_sql::GenericSqlDialect;
+pub use self::postgresql::PostgreSqlDialect;
+
+pub trait Dialect {
+    /// Get a list of keywords for this dialect
+    fn keywords(&self) -> Vec<&'static str>;
+    /// Determine if a character is a valid identifier start character
+    fn is_identifier_start(&self, ch: char) -> bool;
+    /// Determine if a character is a valid identifier character
+    fn is_identifier_part(&self, ch: char) -> bool;
+}

src/sqlast/mod.rs

@@ -13,7 +13,11 @@
 // limitations under the License.
 
 //! SQL Abstract Syntax Tree (AST) types
-//!
+
+mod sql_operator;
+mod sqltype;
+mod table_key;
+mod value;
 
 pub use self::sqltype::SQLType;
 pub use self::table_key::{AlterOperation, Key, TableKey};
@@ -21,11 +25,6 @@ pub use self::value::Value;
 
 pub use self::sql_operator::SQLOperator;
 
-mod sql_operator;
-mod sqltype;
-mod table_key;
-mod value;
-
 /// SQL Abstract Syntax Tree (AST)
 #[derive(Debug, Clone, PartialEq)]
 pub enum ASTNode {