================================================================================
basic
================================================================================
do $$ begin execute 'command'; end $$;
--------------------------------------------------------------------------------

(source_file
  (do_block
    (block
      (dollar_quote)
      (body
        (execute_statement
          (string)))
      (dollar_quote))))

================================================================================
into
================================================================================
do $$ begin execute 'command' into var; end $$;
--------------------------------------------------------------------------------

(source_file
  (do_block
    (block
      (dollar_quote)
      (body
        (execute_statement
          (string)
          (into
            (identifier))))
      (dollar_quote))))

================================================================================
into strict
================================================================================
do $$ begin execute 'command' into strict var; end $$;
--------------------------------------------------------------------------------

(source_file
  (do_block
    (block
      (dollar_quote)
      (body
        (execute_statement
          (string)
          (into
            (identifier))))
      (dollar_quote))))

================================================================================
using
================================================================================
do $$ begin execute 'command' using 1, foo(bar); end $$;
--------------------------------------------------------------------------------

(source_file
  (do_block
    (block
      (dollar_quote)
      (body
        (execute_statement
          (string)
          (execute_using
            (number)
            (function_call
              (identifier)
              (identifier)))))
      (dollar_quote))))

================================================================================
function call
================================================================================
do $$ begin execute foo() into strict var using 1; end $$;
--------------------------------------------------------------------------------

(source_file
  (do_block
    (block
      (dollar_quote)
      (body
        (execute_statement
          (function_call
            (identifier))
          (into
            (identifier))
          (execute_using
            (number))))
      (dollar_quote))))

================================================================================
string concatenation
================================================================================
do $$ begin execute 'foo' || 'bar' into _date; end $$;
--------------------------------------------------------------------------------

(source_file
  (do_block
    (block
      (dollar_quote)
      (body
        (execute_statement
          (op_expression
            (string)
            (other_op)
            (string))
          (into
            (identifier))))
      (dollar_quote))))

================================================================================
simple nested dollar quote
================================================================================
do $$ begin
execute format(
    $sql$
        select %1$s,
        select 2,
    $sql$
    , _tbl_name) using bar;
end $$;
--------------------------------------------------------------------------------

(source_file
  (do_block
    (block
      (dollar_quote)
      (body
        (execute_statement
          (function_call
            (identifier)
            (dollar_quote_string)
            (identifier))
          (execute_using
            (identifier))))
      (dollar_quote))))

================================================================================
execute format dollar quote
================================================================================
do $$ begin
execute format(
    $sql$
        update %1$s
        set foo = $1, %2$I = $1
    $sql$
    , _tbl_name) using bar;
end $$;
--------------------------------------------------------------------------------

(source_file
  (do_block
    (block
      (dollar_quote)
      (body
        (execute_statement
          (function_call
            (identifier)
            (dollar_quote_string)
            (identifier))
          (execute_using
            (identifier))))
      (dollar_quote))))

================================================================================
complex
================================================================================
do $$ begin
EXECUTE FORMAT(
    $sql$
        UPDATE %2$s SET new_val = $1
        FROM ( SELECT serial AS _serial, created FROM %1$s ) t1
    $sql$
    , _tbl_name) USING baz, bar;
end $$;
--------------------------------------------------------------------------------

(source_file
  (do_block
    (block
      (dollar_quote)
      (body
        (execute_statement
          (function_call
            (identifier)
            (dollar_quote_string)
            (identifier))
          (execute_using
            (identifier)
            (identifier))))
      (dollar_quote))))

================================================================================
complex(1)
================================================================================
do $$ begin
EXECUTE FORMAT($sql$
foo
$sql$ , _tbl_name) USING bar.baz;
end $$;
--------------------------------------------------------------------------------

(source_file
  (do_block
    (block
      (dollar_quote)
      (body
        (execute_statement
          (function_call
            (identifier)
            (dollar_quote_string)
            (identifier))
          (execute_using
            (identifier))))
      (dollar_quote))))