bomb.status = ?
[ 'unexploded' ]
-Not:
+
+Prefix unop:
+
+ # expr
+ { -op => [ '-', { -ident => 'foo' } ] }
+
+ # query
+ - foo
+ []
+
+Not as special case parenthesised unop:
# expr
{ -op => [ 'not', { -ident => 'explosive' } ] }
VALUES (1, 2), (3, 4)
[]
+=head2 keyword
+
+ # expr
+ { -keyword => 'insert_into' }
+
+ # query
+ INSERT INTO
+ []
+
=head2 statement types
AQT node types are also provided for C<select>, C<insert>, C<update> and
id OP ?
[ 'value' ]
+If the value is undef, attempts to convert equality and like ops to IS NULL,
+and inequality and not like to IS NOT NULL:
+
+ # expr
+ { id => { '!=' => undef } }
+
+ # aqt
+ { -op => [ 'is_not_null', { -ident => [ 'id' ] } ] }
+
+ # query
+ id IS NOT NULL
+ []
+
=head3 identifier hashpair w/simple value
Equivalent to a hashtriple with an op of '='.