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+%%--------------------------------------------------------------------
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+%% Copyright (c) 2022-2024 EMQ Technologies Co., Ltd. All Rights Reserved.
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+%%
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+%% Licensed under the Apache License, Version 2.0 (the "License");
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+%% you may not use this file except in compliance with the License.
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+%% You may obtain a copy of the License at
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+%%
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+%% http://www.apache.org/licenses/LICENSE-2.0
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+%%
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+%% Unless required by applicable law or agreed to in writing, software
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+%% distributed under the License is distributed on an "AS IS" BASIS,
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+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+%% See the License for the specific language governing permissions and
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+%% limitations under the License.
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+%%--------------------------------------------------------------------
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+
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+-module(emqx_utils_sql_SUITE).
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+
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+-compile(export_all).
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+-compile(nowarn_export_all).
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+
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+-include_lib("eunit/include/eunit.hrl").
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+
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+-import(emqx_utils_sql, [get_statement_type/1, parse_insert/1]).
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+
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+all() ->
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+ emqx_common_test_helpers:all(?MODULE).
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+
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+t_get_statement_type(_) ->
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+ ?assertEqual(select, get_statement_type("SELECT * FROM abc")),
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+ ?assertEqual(insert, get_statement_type("INSERT INTO abc (c1, c2, c3)VALUES(1, 2, 3)")),
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+ ?assertEqual(update, get_statement_type("UPDATE abc SET c1 = 1, c2 = 2, c3 = 3")),
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+ ?assertEqual(delete, get_statement_type("DELETE FROM abc WHERE c1 = 1")),
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+ ?assertEqual({error, unknown}, get_statement_type("drop table books")).
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+
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+t_parse_insert(_) ->
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+ %% `values` in table name
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+ run_pi(
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+ <<"insert into tag_VALUES(tag_values,Timestamp) values (${tagvalues},${date})"/utf8>>,
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+ {<<"insert into tag_VALUES(tag_values,Timestamp)"/utf8>>, <<"(${tagvalues},${date})"/utf8>>}
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+ ),
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+ run_pi(
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+ <<"INSERT INTO Values_таблица (идентификатор, имя, возраст) VALUES \t (${id}, 'Иван', 25) "/utf8>>,
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+ {<<"INSERT INTO Values_таблица (идентификатор, имя, возраст)"/utf8>>,
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+ <<"(${id}, 'Иван', 25)"/utf8>>}
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+ ),
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+
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+ %% `values` in column name
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+ run_pi(
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+ <<"insert into PI.dbo.tags(tag_values,Timestamp) values (${tagvalues},${date} )"/utf8>>,
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+ {<<"insert into PI.dbo.tags(tag_values,Timestamp)"/utf8>>,
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+ <<"(${tagvalues},${date} )"/utf8>>}
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+ ),
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+
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+ run_pi(
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+ <<"INSERT INTO mqtt_test(payload, arrived) VALUES (${payload}, FROM_UNIXTIME((${timestamp}/1000)))"/utf8>>,
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+ {<<"INSERT INTO mqtt_test(payload, arrived)"/utf8>>,
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+ <<"(${payload}, FROM_UNIXTIME((${timestamp}/1000)))">>}
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+ ),
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+
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+ run_pi(
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+ <<"insert into таблица (идентификатор,имя,возраст) VALUES(${id},'Алексей',30)"/utf8>>,
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+ {<<"insert into таблица (идентификатор,имя,возраст)"/utf8>>,
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+ <<"(${id},'Алексей',30)"/utf8>>}
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+ ),
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+ run_pi(
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+ <<"INSERT into 表格 (标识, 名字, 年龄) VALUES (${id}, '张三', 22)"/utf8>>,
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+ {<<"INSERT into 表格 (标识, 名字, 年龄)"/utf8>>, <<"(${id}, '张三', 22)"/utf8>>}
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+ ),
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+ run_pi(
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+ <<" inSErt into 表格(标识,名字,年龄)values(${id},'李四', 35)"/utf8>>,
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+ {<<"inSErt into 表格(标识,名字,年龄)"/utf8>>, <<"(${id},'李四', 35)"/utf8>>}
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+ ),
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+ run_pi(
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+ <<"insert into PI.dbo.tags( tag_value,Timestamp) VALUES\t\t( ${tagvalues}, ${date} )"/utf8>>,
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+ {<<"insert into PI.dbo.tags( tag_value,Timestamp)"/utf8>>,
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+ <<"( ${tagvalues}, ${date} )"/utf8>>}
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+ ),
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+ run_pi(
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+ <<"insert into PI.dbo.tags(tag_value , Timestamp )vALues(${tagvalues},${date})"/utf8>>,
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+ {<<"insert into PI.dbo.tags(tag_value , Timestamp )"/utf8>>,
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+ <<"(${tagvalues},${date})"/utf8>>}
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+ ),
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+
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+ run_pi(
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+ <<"inSErt INTO table75 (column1, column2, column3) values (${one}, ${two},${three})"/utf8>>,
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+ {<<"inSErt INTO table75 (column1, column2, column3)"/utf8>>,
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+ <<"(${one}, ${two},${three})"/utf8>>}
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+ ),
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+ run_pi(
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+ <<"INSERT Into some_table values\t(${tag1}, ${tag2} )">>,
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+ {<<"INSERT Into some_table "/utf8>>, <<"(${tag1}, ${tag2} )">>}
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+ ).
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+
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+t_parse_insert_nested_brackets(_) ->
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+ InsertPart = <<"INSERT INTO test_tab (val1, val2)">>,
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+ ValueLs = [
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+ <<"(ABS(POWER((2 * POWER(ABS( (-3 + 1) * 4), (2 * (1 + ABS( (-3 + 1) * 4))))), (3 - POWER(4, 2)))), ",
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+ "POWER(ABS( (-3 + 1) * 4), (2 * (1 + ABS( (-3 + 1) * 4)))))">>,
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+ <<"(GREATEST(LEAST(5, 10), ABS(-7)), LEAST(GREATEST(3, 2), 9))">>,
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+ <<"(ABS(POWER((2 * 2), (3 - 1))), POWER(ABS(-3), (2 * (1 + 1))))">>,
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+ <<"(SQRT(POWER(4, 2)), MOD((10 + 3), (2 * 5)))">>,
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+ <<"(ROUND(CEIL(3.14159 * 2), 2), CEIL(ROUND(7.5, 1)))">>,
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+ <<"(FLOOR(SQRT(ABS(-8.99))), SIGN(POWER(-2, 3)))">>,
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+ <<"(TRUNCATE(RAND() * 100, 2), ROUND(RAND() * 10, 1))">>,
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+ <<"(EXP(LOG(POWER(2, 3))), LOG(EXP(5)))">>,
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+ <<"(COS(PI() / (3 - 1)), PI() / COS(PI() / 4))">>,
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+ <<"(SIN(TAN(PI() / 4)), TAN(SIN(PI() / 6)))">>
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+ ],
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+
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+ [
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+ run_pi(<<InsertPart/binary, " VALUES ", ValueL/binary>>, {InsertPart, ValueL})
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+ || ValueL <- ValueLs
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+ ].
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+
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+t_parse_insert_failed(_) ->
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+ run_pi("drop table books"),
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+ run_pi("SELECT * FROM abc"),
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+ run_pi("UPDATE abc SET c1 = 1, c2 = 2, c3 = 3"),
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+ run_pi("DELETE FROM abc WHERE c1 = 1"),
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+ run_pi("insert intotable(a,b)values(1,2)"),
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+ run_pi("insert into (a,val)values(1,'val')").
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+
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+run_pi(SQL) ->
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+ ?assertEqual({error, not_insert_sql}, parse_insert(SQL)),
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+ ct:pal("SQL:~n~ts~n", [SQL]).
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+
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+run_pi(SQL, {InsertPart, Values}) ->
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+ {ok, {InsertPart0, Values0}} = parse_insert(SQL),
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+ ?assertEqual(InsertPart, InsertPart0),
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+ ?assertEqual(Values, Values0),
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+ ct:pal("SQL:~n~ts~n", [SQL]).
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zmstone