add test case for abs function for 3.0

tests/system-test/2-query/abs.py

+import taos
+import sys
+import datetime
+import inspect
+
+from util.log import *
+from util.sql import *
+from util.cases import *
+
+
+
+class TDTestCase:
+
+    def init(self, conn, logSql):
+        tdLog.debug(f"start to excute {__file__}")
+        tdSql.init(conn.cursor())
+    
+    def prepare_datas(self):
+        tdSql.execute(
+            '''create table stb1
+            (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(16),c9 nchar(32), c10 timestamp)
+            tags (t1 int)
+            '''
+        )
+        tdSql.execute(
+            '''
+            create table t1
+            (ts timestamp, c1 int, c2 bigint, c3 smallint, c4 tinyint, c5 float, c6 double, c7 bool, c8 binary(16),c9 nchar(32), c10 timestamp)
+            '''
+        )
+        for i in range(4):
+            tdSql.execute(f'create table ct{i+1} using stb1 tags ( {i+1} )')
+
+        tdLog.printNoPrefix("==========step2:insert data")
+        for i in range(9):
+            tdSql.execute(
+                f"insert into ct1 values ( now()-{i*10}s, {1*i}, {11111*i}, {111*i}, {11*i}, {1.11*i}, {11.11*i}, {i%2}, 'binary{i}', 'nchar{i}', now()+{1*i}a )"
+            )
+            tdSql.execute(
+                f"insert into ct4 values ( now()-{i*90}d, {1*i}, {11111*i}, {111*i}, {11*i}, {1.11*i}, {11.11*i}, {i%2}, 'binary{i}', 'nchar{i}', now()+{1*i}a )"
+            )
+        tdSql.execute("insert into ct1 values (now()-45s, 0, 0, 0, 0, 0, 0, 0, 'binary0', 'nchar0', now()+8a )")
+        tdSql.execute("insert into ct1 values (now()+10s, 9, -99999, -999, -99, -9.99, -99.99, 1, 'binary9', 'nchar9', now()+9a )")
+        tdSql.execute("insert into ct1 values (now()+15s, 9, -99999, -999, -99, -9.99, NULL, 1, 'binary9', 'nchar9', now()+9a )")
+        tdSql.execute("insert into ct1 values (now()+20s, 9, -99999, -999, NULL, -9.99, -99.99, 1, 'binary9', 'nchar9', now()+9a )")
+
+        tdSql.execute("insert into ct4 values (now()-810d, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL ) ")
+        tdSql.execute("insert into ct4 values (now()-400d, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL ) ")
+        tdSql.execute("insert into ct4 values (now()+90d, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL  ) ")
+
+        tdSql.execute(
+            f'''insert into t1 values
+            ( '2020-04-21 01:01:01.000', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL )
+            ( '2020-10-21 01:01:01.000', 1, 11111, 111, 11, 1.11, 11.11, 1, "binary1", "nchar1", now()+1a )
+            ( '2020-12-31 01:01:01.000', 2, 22222, 222, 22, 2.22, 22.22, 0, "binary2", "nchar2", now()+2a )
+            ( '2021-01-01 01:01:06.000', 3, 33333, 333, 33, 3.33, 33.33, 0, "binary3", "nchar3", now()+3a )
+            ( '2021-05-07 01:01:10.000', 4, 44444, 444, 44, 4.44, 44.44, 1, "binary4", "nchar4", now()+4a )
+            ( '2021-07-21 01:01:01.000', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL )
+            ( '2021-09-30 01:01:16.000', 5, 55555, 555, 55, 5.55, 55.55, 0, "binary5", "nchar5", now()+5a )
+            ( '2022-02-01 01:01:20.000', 6, 66666, 666, 66, 6.66, 66.66, 1, "binary6", "nchar6", now()+6a )
+            ( '2022-10-28 01:01:26.000', 7, 00000, 000, 00, 0.00, 00.00, 1, "binary7", "nchar7", "1970-01-01 08:00:00.000" )
+            ( '2022-12-01 01:01:30.000', 8, -88888, -888, -88, -8.88, -88.88, 0, "binary8", "nchar8", "1969-01-01 01:00:00.000" )
+            ( '2022-12-31 01:01:36.000', 9, -99999999999999999, -999, -99, -9.99, -999999999999999999999.99, 1, "binary9", "nchar9", "1900-01-01 00:00:00.000" )
+            ( '2023-02-21 01:01:01.000', NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL )
+            '''
+        )
+    
+    def test_errors(self):
+        error_sql_lists = [
+            "select abs from t1",
+            "select abs(-+--+c1) from t1",
+            "select +-abs(c1) from t1",
+            "select ++-abs(c1) from t1",
+            "select ++--abs(c1) from t1",
+            "select - -abs(c1)*0 from t1",
+            "select abs(tbname+1) from t1 ",
+            "select abs(123--123)==1 from t1",
+            "select abs(c1) as 'd1' from t1",
+            "select abs(c1 ,c2 ) from t1",
+            "select abs(c1 ,NULL) from t1",
+            "select abs(,) from t1;",
+            "select abs(abs(c1) ab from t1)",
+            "select abs(c1) as int from t1",
+        ]
+        for error_sql in error_sql_lists:
+            tdSql.error(error_sql)
+    
+    def support_types(self):
+        type_error_sql_lists = [
+            "select abs(ts) from t1" , 
+            "select abs(c7) from t1",
+            "select abs(c8) from t1",
+            "select abs(c9) from t1"
+        ]
+        
+        for type_sql in type_error_sql_lists:
+            tdSql.error(type_sql)
+
+        type_sql_lists = [
+            "select abs(c1) from t1",
+            "select abs(c2) from t1",
+            "select abs(c3 from t1)",
+            "select abs(c4) from t1",
+            "select abs(c5) from t1",
+            "select abs(c6) from t1",
+            "select abs(c)"
+        ]
+
+        for type_sql in type_sql_lists:
+            tdSql.error(type_sql)
+
+    def run(self):  # sourcery skip: extract-duplicate-method, remove-redundant-fstring
+        tdSql.prepare()
+
+        tdLog.printNoPrefix("==========step1:create table ==============")
+        
+        self.prepare_datas()
+        self.test_errors()
+        self.support_types()
+        
+
+        
+        # 
+        tdSql.error("select cast(c1 as int) as b from ct4")
+        tdSql.error("select cast(c1 as bool) as b from ct4")
+        tdSql.error("select cast(c1 as tinyint) as b from ct4")
+        tdSql.error("select cast(c1 as smallint) as b from ct4")
+        tdSql.error("select cast(c1 as float) as b from ct4")
+        tdSql.error("select cast(c1 as double) as b from ct4")
+        tdSql.error("select cast(c1 as tinyint unsigned) as b from ct4")
+        tdSql.error("select cast(c1 as smallint unsigned) as b from ct4")
+        tdSql.error("select cast(c1 as int unsigned) as b from ct4")
+
+        tdSql.error("select cast(c2 as int) as b from ct4")
+        tdSql.error("select cast(c3 as bool) as b from ct4")
+        tdSql.error("select cast(c4 as tinyint) as b from ct4")
+        tdSql.error("select cast(c5 as smallint) as b from ct4")
+        tdSql.error("select cast(c6 as float) as b from ct4")
+        tdSql.error("select cast(c7 as double) as b from ct4")
+        tdSql.error("select cast(c8 as tinyint unsigned) as b from ct4")
+
+        tdSql.error("select cast(c8 as timestamp ) as b from ct4")
+        tdSql.error("select cast(c9 as timestamp ) as b from ct4")
+        tdSql.error("select cast(c9 as binary(64) ) as b from ct4")
+
+
+    def stop(self):
+        tdSql.close()
+        tdLog.success(f"{__file__} successfully executed")
+
+tdCases.addLinux(__file__, TDTestCase())
+tdCases.addWindows(__file__, TDTestCase())