test/trace_processor/args_string_filter_null.sql

--
-- Copyright 2019 The Android Open Source Project
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
--     https://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
select string_value
from args
where string_value = NULL
UNION
select string_value
from args
where string_value != NULL
UNION
select string_value
from args
where string_value < NULL
UNION
select string_value
from args
where string_value <= NULL
UNION
select string_value
from args
where string_value > NULL
UNION
select string_value
from args
where string_value >= NULL
UNION
select string_value
from args
where string_value LIKE NULL
UNION
select string_value
from args
where string_value GLOB NULL