expression parser

packages/types/dialect.d.ts

@@ -1,6 +1,7 @@
 export interface SqlDialect {
   rangeSelect?: boolean;
   limitSelect?: boolean;
+  stringEscapeChar: string;
   offsetFetchRangeSyntax?: boolean;
   quoteIdentifier(s: string): string;
 }

packages/types/dumper.d.ts

@@ -8,6 +8,7 @@ export interface SqlDumper {
   putRaw(s: string);
   put(format: string, ...args);
   putCmd(format: string, ...args);
+  putValue(value: string | number | Date);
   putCollection<T>(
     delimiter: string,
     collection: T[],