fix: fix delimiter parsing (#28)

Author: nvierge-addactis

src/Tests/PostgresqlQueryParserTests.cs

@@ -47,6 +47,23 @@ LANGUAGE PLPGSQL AS
                 'text';
                 SELECT '1'
                 """, 2)]
+    [InlineData("""
+                START TRANSACTION;
+
+                DO $EF$
+                BEGIN
+                    INSERT INTO "AspNetUsers" ("Id", "UserName")
+                    VALUES ('65fe2157-3214-4de5-8664-2648b67c530e', 'John');
+                END $EF$;
+
+                DO $EF$
+                BEGIN
+                    INSERT INTO "AspNetUsers" ("Id", "UserName")
+                    VALUES ('7cc03149-09e9-42eb-9554-d3ce3bed15bd', 'Jane');
+                END $EF$;
+
+                COMMIT;
+                """, 4)]
     public void split_into_statements(string sql, int statementCount, params string[] expected)
     {
         var results = ParseCommand(sql);

src/dbup-postgresql/PostgresqlQueryParser.cs

@@ -239,7 +239,6 @@ public static IReadOnlyCollection<string> ParseRawQuery(
             goto Finish;
         }
 
-        pos += dollarTagEnd + 1; // If the substring is found adjust the position to be relative to the entire string
         currCharOfs = pos + dollarTagEnd - dollarTagStart + 2;
         ch = '\0';
         goto None;