Merge pull request #3 from lastlink/f/lastlink

F/lastlink massive improvements to parser

Author: lastlink

src/contants.ts

@@ -0,0 +1,15 @@
+
+
+export const CreateTable = "create table";
+
+export const AlterTable = "alter table "
+
+export const CONSTRAINT = "constraint"
+
+export const Primary_Key = "primary key"
+
+export const Foreign_Key = "foreign key"
+
+export const CONSTRAINT_Primary_Key = "constraint primary key";
+
+export const CONSTRAINT_Foreign_Key = "constraint foreign key";