Fix indentation of boolean expressions in SELECT's targets

This fixes issue #3.

pg_query/printers/sql.py

@@ -158,13 +158,14 @@ def bool_expr(node, output):
     bet = enums.BoolExprType
     outer_exp_level = output.expression_level
     with output.expression():
+        in_res_target = node.parent_node.node_tag == 'ResTarget'
         if node.boolop == bet.AND_EXPR:
-            relindent = -4 if outer_exp_level == 0 else None
+            relindent = -4 if not in_res_target and outer_exp_level == 0 else None
             output.print_list(node.args, 'AND', relative_indent=relindent)
         elif node.boolop == bet.OR_EXPR:
             with output.expression():
-                relindent = -3 if outer_exp_level == 0 else None
-                output.print_list(node.args, 'OR')
+                relindent = -3 if not in_res_target and outer_exp_level == 0 else None
+                output.print_list(node.args, 'OR', relative_indent=relindent)
         else:
             output.writes('NOT')
             output.print(node.args[0])

tests/test_sql_printers.py

@@ -730,6 +730,25 @@ def test_inserts(sql):
               FROM b) AS b ON a.id = b.id""",
         None
     ),
+    (
+        """\
+select a.one,
+       not a.bool_flag and a.something is null or a.other = 3 as foo,
+       a.value1 + b.value2 * b.value3 as bar
+from sometable as a
+where not a.bool_flag2 and a.something2 is null or a.other2 = 3""",
+        """\
+SELECT a.one
+     , (   (    (NOT a.bool_flag)
+            AND a.something IS NULL)
+        OR (a.other = 3)) AS foo
+     , a.value1 + (b.value2 * b.value3) AS bar
+FROM sometable AS a
+WHERE ((    (NOT a.bool_flag2)
+        AND a.something2 IS NULL)
+    OR (a.other2 = 3))""",
+        None
+    ),
 )
 @pytest.mark.parametrize('original, expected, options', EXAMPLES)
 def test_prettification(original, expected, options):