start adding basic dml

parser and pretty printer for statements
add query statement
add support for
  insert
  update
  delete
  truncate
bonus ddl:
  limited create schema
  drop schema

add grammar notes to the new test files

tools/Language/SQL/SimpleSQL/SQL2011AccessControl.lhs

@@ -10,3 +10,110 @@ grant, etc
 
 > sql2011AccessControlTests :: TestItem
 > sql2011AccessControlTests = Group "sql 2011 access control tests" []
+
+12 Access control
+
+12.1 <grant statement>
+
+<grant statement> ::=
+    <grant privilege statement>
+  | <grant role statement>
+
+12.2 <grant privilege statement>
+
+<grant privilege statement> ::=
+  GRANT <privileges> TO <grantee> [ { <comma> <grantee> }... ]
+      [ WITH HIERARCHY OPTION ]
+      [ WITH GRANT OPTION ]
+      [ GRANTED BY <grantor> ]
+
+12.3 <privileges>
+<privileges> ::=
+  <object privileges> ON <object name>
+
+<object name> ::=
+      [ TABLE ] <table name>
+  |   DOMAIN <domain name>
+  |   COLLATION <collation name>
+  |   CHARACTER SET <character set name>
+  |   TRANSLATION <transliteration name>
+  |   TYPE <schema-resolved user-defined type name>
+  |   SEQUENCE <sequence generator name>
+  |   <specific routine designator>
+
+<object privileges> ::=
+    ALL PRIVILEGES
+  | <action> [ { <comma> <action> }... ]
+
+<action> ::=
+    SELECT
+  | SELECT <left paren> <privilege column list> <right paren>
+  | SELECT <left paren> <privilege method list> <right paren>
+  | DELETE
+  | INSERT [ <left paren> <privilege column list> <right paren> ]
+  | UPDATE [ <left paren> <privilege column list> <right paren> ]
+  | REFERENCES [ <left paren> <privilege column list> <right paren> ]
+  | USAGE
+  | TRIGGER
+  | UNDER
+  | EXECUTE
+
+<privilege method list> ::=
+  <specific routine designator> [ { <comma> <specific routine designator> }... ]
+
+<privilege column list> ::=
+  <column name list>
+
+<grantee> ::=
+    PUBLIC
+  | <authorization identifier>
+
+<grantor> ::=
+    CURRENT_USER
+  | CURRENT_ROLE
+
+12.4 <role definition>
+
+<role definition> ::=
+  CREATE ROLE <role name> [ WITH ADMIN <grantor> ]
+
+12.5 <grant role statement>
+
+<grant role statement> ::=
+  GRANT <role granted> [ { <comma> <role granted> }... ]
+      TO <grantee> [ { <comma> <grantee> }... ]
+      [ WITH ADMIN OPTION ]
+      [ GRANTED BY <grantor> ]
+
+<role granted> ::=
+  <role name>
+
+12.6 <drop role statement>
+
+<drop role statement> ::=
+  DROP ROLE <role name>
+
+12.7 <revoke statement>
+
+<revoke statement> ::=
+    <revoke privilege statement>
+  | <revoke role statement>
+
+<revoke privilege statement> ::=
+  REVOKE [ <revoke option extension> ] <privileges>
+      FROM <grantee> [ { <comma> <grantee> }... ]
+      [ GRANTED BY <grantor> ]
+      <drop behavior>
+
+<revoke option extension> ::=
+    GRANT OPTION FOR
+  | HIERARCHY OPTION FOR
+
+<revoke role statement> ::=
+  REVOKE [ ADMIN OPTION FOR ] <role revoked> [ { <comma> <role revoked> }... ]
+      FROM <grantee> [ { <comma> <grantee> }... ]
+      [ GRANTED BY <grantor> ]
+      <drop behavior>
+
+<role revoked> ::=
+  <role name>