[#6474] [#6485] Added gramar support for org.jooq.Block

jOOQ-manual/src/main/resources/org/jooq/web/grammar-3.11.txt

@@ -3,6 +3,7 @@ batch = query { ';' query };
 query =
   ddlStatement
 | dmlStatement
+| blockStatement
 ;
 
 ddlStatement =
@@ -35,6 +36,17 @@ dmlStatement =
 | updateStatement
 ;
 
+proceduralStatement =
+  query
+| nullStatement
+;
+
+blockStatement = 'BEGIN' proceduralStatement ';' { proceduralStatement ';' } 'END'
+;
+
+nullStatement = 'NULL'
+;
+
 alterTableStatement = 'ALTER TABLE' [ 'IF EXISTS' ] tableName break
 (
   'ADD CONSTRAINT' constraintName constraint