initial stubs for ast::Select

vendored/sqlite3-parser/src/to_sql_string/mod.rs

@@ -1,16 +1,19 @@
 //! ToSqlString trait definition and implementations
 
+mod stmt;
+
 use crate::ast::TableInternalId;
 
 /// Context to be used in ToSqlString
 pub trait ToSqlContext {
     /// Given an id, get the table name
-    /// Currently not considering alias
+    ///
+    /// Currently not considering aliases
     fn get_table_name(&self, id: TableInternalId) -> &str;
 }
 
 /// Trait to convert an ast to a string
-pub trait ToSqlString<C: ToSqlContext> {
+pub trait ToSqlString {
     /// Convert the given value to String
-    fn to_sql_string(&self, context: &C) -> String;
+    fn to_sql_string<C: ToSqlContext>(&self, context: &C) -> String;
 }

vendored/sqlite3-parser/src/to_sql_string/stmt/mod.rs

@@ -0,0 +1 @@
+mod select;

vendored/sqlite3-parser/src/to_sql_string/stmt/select.rs

@@ -0,0 +1,36 @@
+use crate::{
+    ast,
+    to_sql_string::{ToSqlContext, ToSqlString},
+};
+
+impl ToSqlString for ast::Select {
+    fn to_sql_string<C: ToSqlContext>(&self, context: &C) -> String {
+        let mut ret = String::new();
+        ret
+    }
+}
+
+impl ToSqlString for ast::SelectBody {
+    fn to_sql_string<C: ToSqlContext>(&self, context: &C) -> String {
+        let mut ret = String::new();
+        ret
+    }
+}
+
+impl ToSqlString for ast::OneSelect {
+    fn to_sql_string<C: ToSqlContext>(&self, context: &C) -> String {
+        let mut ret = String::new();
+        match self {
+            ast::OneSelect::Select(select) => ret,
+            // TODO: come back here when we implement ToSqlString for Expr
+            ast::OneSelect::Values(values) => ret,
+        }
+    }
+}
+
+impl ToSqlString for ast::SelectInner {
+    fn to_sql_string<C: ToSqlContext>(&self, context: &C) -> String {
+        let mut ret = String::new();
+        ret
+    }
+}