[TD-6339]<test>: add test case for escape '_' by '\'

tests/pytest/query/queryLike.py

@@ -25,7 +25,8 @@ class TDTestCase:
 
     def run(self):
         tdSql.prepare()         
-
+        tdSql.execute("drop database db ")
+        tdSql.execute("create database if not exists db ")
         tdSql.execute("create table cars(ts timestamp, c nchar(2)) tags(t1 nchar(2))")
         tdSql.execute("insert into car0 using cars tags('aa') values(now, 'bb');")
         tdSql.query("select count(*) from cars where t1 like '%50 90 30 04 00 00%'")
@@ -35,6 +36,132 @@ class TDTestCase:
         tdSql.execute("insert into car1 using test_cars tags('150 90 30 04 00 002') values(now, 'bb');")
         tdSql.query("select * from test_cars where t1 like '%50 90 30 04 00 00%'")        
         tdSql.checkRows(1)
+        
+        tdSql.execute("create stable st (ts timestamp , id int , name  binary(20), data double ) tags (ind  int , tagg binary(20))  ")
+
+        # check escape about tbname by show tables like
+
+        tdSql.execute("create table tb_ using st tags (1 , 'tag_' ) ")
+        tdSql.execute("insert into tb_ values( now , 1 , 'tbname_' , 1.0)")
+        tdSql.execute("create table tba using st tags (1 , 'taga' ) ")
+        tdSql.execute("insert into tba values( now , 1 , 'tbnamea' , 1.0)")
+        tdSql.query("show tables like 'tb_'")
+        tdSql.checkRows(2)
+        tdSql.query("show tables like 'tb\_'")
+        tdSql.checkRows(1)
+
+        # check escape about tbname by show tables like
+        tdSql.query("select * from st where tbname like 'tb\_'")
+        tdSql.checkRows(1)
+        
+        # check escape about regular cols
+        tdSql.query("select * from st where name like 'tbname\_';")
+        tdSql.checkRows(1)
+
+        # check escape about tags
+        tdSql.query("select * from st where tagg like 'tag\_';")
+        tdSql.checkRows(1)
+
+        # ======================= check multi escape ===================
+        
+        tdSql.execute("create table tb_1 using st tags (1 , 'tag_1' ) ")
+        tdSql.execute("insert into tb_1 values( now , 1 , 'tbname_1' , 1.0)")
+        tdSql.execute("create table tb_2  using st tags (2 , 'tag_2' )")
+        tdSql.execute("insert into tb_2 values( now , 2 , 'tbname_2' , 2.0)")
+        tdSql.execute("create table tb__  using st tags (3 , 'tag__' )")
+        tdSql.execute("insert into tb__ values( now , 3 , 'tbname__' , 2.0)")
+        tdSql.execute("create table tb__1  using st tags (3 , 'tag__1' )")
+        tdSql.execute("insert into tb__1 values( now , 1 , 'tbname__1' , 1.0)")
+        tdSql.execute("create table tb__2  using st  tags (4 , 'tag__2' )")
+        tdSql.execute("create table tb___  using st  tags (5 , 'tag___' )")
+        tdSql.execute("insert into tb___ values( now , 1 , 'tbname___' , 1.0)")
+        tdSql.execute("create table tb_d_  using st  tags (5 , 'tag_d_' )")
+        tdSql.execute("insert into tb_d_ values( now , 1 , 'tbname_d_' , 1.0)")
+
+        tdSql.execute("create table tb_d__  using st  tags (5 , 'tag_d__' )")
+        tdSql.execute("insert into tb_d__ values( now , 1 , 'tbname_d__' , 1.0)")
+        tdSql.execute("create table tb____  using st  tags (5 , 'tag____' )")
+        tdSql.execute("insert into tb____ values( now , 1 , 'tbname____' , 1.0)")
+        tdSql.execute("create table tb__a_  using st  tags (5 , 'tag__a_' )")
+        tdSql.execute("insert into tb__a_ values( now , 1 , 'tbname__a_' , 1.0)")
+        tdSql.execute("create table tb__ab__  using st  tags (5 , 'tag__ab__' )")
+        tdSql.execute("insert into tb__ab__ values( now , 1 , 'tbname__ab__' , 1.0)")
+
+        # check escape about tbname by show tables like
+        tdSql.query("select * from st where tbname like 'tb__'")
+        tdSql.checkRows(3)
+        tdSql.query("select * from st where tbname like 'tb_\_'")
+        tdSql.checkRows(1)
+        tdSql.query("select * from st where tbname like 'tb___'")
+        tdSql.checkRows(4)
+        tdSql.query("select * from st where tbname like 'tb_\__'")
+        tdSql.checkRows(3)
+        tdSql.query("select * from st where tbname like 'tb_\_\_'")
+        tdSql.checkRows(1)
+        tdSql.query("select * from st where tbname like 'tb\__\_'")
+        tdSql.checkRows(1)
+        tdSql.query("select * from st where tbname like 'tb\__\__'")
+        tdSql.checkRows(2)
+        tdSql.query("select * from st where tbname like 'tb\__\_\_'")
+        tdSql.checkRows(2)
+        tdSql.query("select * from st where tbname like 'tb\____'")
+        tdSql.checkRows(3)
+        tdSql.query("select * from st where tbname like 'tb\_\__\_'")
+        tdSql.checkRows(2)
+        tdSql.query("select * from st where tbname like 'tb\_\_\_\_'")
+        tdSql.checkRows(1)
+        
+        # check escape about regular cols
+        tdSql.query("select * from st where name like 'tbname\_\_';")
+        tdSql.checkRows(1)
+        tdSql.query("select * from st where name like 'tbname\__';")
+        tdSql.checkRows(3)
+        tdSql.query("select * from st where name like 'tbname___';")
+        tdSql.checkRows(4)
+        tdSql.query("select * from st where name like 'tbname_\__';")
+        tdSql.checkRows(3)
+        tdSql.query("select * from st where name like 'tbname_\_\_';")
+        tdSql.checkRows(1)
+        tdSql.query("select * from st where name like 'tbname\_\__';")
+        tdSql.checkRows(2)
+        tdSql.query("select * from st where name like 'tbname____';")
+        tdSql.checkRows(3)
+        tdSql.query("select * from st where name like 'tbname\_\___';")
+        tdSql.checkRows(2)
+        tdSql.query("select * from st where name like 'tbname\_\_\__';")
+        tdSql.checkRows(1)
+        tdSql.query("select * from st where name like 'tbname\_\__\_';")
+        tdSql.checkRows(2)
+        tdSql.query("select name from st where name like 'tbname\_\_\__';")
+        tdSql.checkData(0,0 "tbname____")
+
+        # check escape about tags
+        tdSql.query("select * from st where tagg like 'tag\_';")
+        tdSql.checkRows(1)
+        tdSql.query("select * from st where tagg like 'tag\_\_';")
+        tdSql.checkRows(1)
+        tdSql.query("select * from st where tagg like 'tag\__';")
+        tdSql.checkRows(3)
+        tdSql.query("select * from st where tagg like 'tag___';")
+        tdSql.checkRows(4)
+        tdSql.query("select * from st where tagg like 'tag_\__';")
+        tdSql.checkRows(3)
+        tdSql.query("select * from st where tagg like 'tag_\_\_';")
+        tdSql.checkRows(1)
+        tdSql.query("select * from st where tagg like 'tag\_\__';")
+        tdSql.checkRows(2)
+        tdSql.query("select * from st where tagg like 'tag____';")
+        tdSql.checkRows(3)
+        tdSql.query("select * from st where tagg like 'tag\_\___';")
+        tdSql.checkRows(2)
+        tdSql.query("select * from st where tagg like 'tag\_\_\__';")
+        tdSql.checkRows(1)
+        tdSql.query("select * from st where tagg like 'tag\_\__\_';")
+        tdSql.checkRows(2)
+        tdSql.query("select * from st where tagg like 'tag\_\__\_';")
+        tdSql.checkData(0,0 "tag__a_")
+
+        os.system("rm -rf ./*.py.sql")
 
     def stop(self):
         tdSql.close()