enh: show command optimize

source/libs/parser/src/parTranslater.c

@@ -68,49 +68,49 @@ static const SSysTableShowAdapter sysTableShowAdapter[] = {
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_DNODES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_MNODES_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_MNODES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_MODULES_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_MODULES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_QNODES_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_QNODES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_SNODES_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_SNODES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_BNODES_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_BNODES,
     .numOfShowCols = 1,
-    .pShowCols = {"endpoint"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_CLUSTER_STMT,
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_CLUSTER,
     .numOfShowCols = 1,
-    .pShowCols = {"name"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_DATABASES_STMT,
@@ -131,7 +131,7 @@ static const SSysTableShowAdapter sysTableShowAdapter[] = {
     .pDbName = TSDB_INFORMATION_SCHEMA_DB,
     .pTableName = TSDB_INS_TABLE_INDEXES,
     .numOfShowCols = 1,
-    .pShowCols = {"index_name"}
+    .pShowCols = {"*"}
   },
   {
     .showType = QUERY_NODE_SHOW_STABLES_STMT,

tests/develop-test/5-taos-tools/taosbenchmark/auto_create_table_json.py

@@ -111,7 +111,7 @@ class TDTestCase:
         tdSql.checkData(0, 0, 8)
         tdSql.query("select count(*) from db.stb2")
         tdSql.checkData(0, 0, 160)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(2, 14, "us")
 
         tdSql.execute("reset query cache")
@@ -128,7 +128,7 @@ class TDTestCase:
         tdSql.checkData(0, 0, 8)
         tdSql.query("select count(*) from db.stb3")
         tdSql.checkData(0, 0, 160)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(2, 14, "ns")
 
         tdSql.execute("reset query cache")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBigInt.py

@@ -97,7 +97,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBinary.py

@@ -85,7 +85,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeBool.py

@@ -86,7 +86,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeDouble.py

@@ -96,7 +96,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeFloat.py

@@ -96,7 +96,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeInt.py

@@ -92,7 +92,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeJson.py

@@ -92,7 +92,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -g" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeSmallInt.py

@@ -94,7 +94,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeTinyInt.py

@@ -94,7 +94,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedBigInt.py

@@ -90,7 +90,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1 -g" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedInt.py

@@ -90,7 +90,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1 -g" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedSmallInt.py

@@ -90,7 +90,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1 -g" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/develop-test/5-taos-tools/taosdump/taosdumpTestTypeUnsignedTinyInt.py

@@ -90,7 +90,7 @@ class TDTestCase:
 
         os.system("%staosdump -i %s -T 1 -g" % (binPath, self.tmpdir))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
 
         tdSql.execute("use db")

tests/pytest/alter/alter_cacheLastRow.py

@@ -41,7 +41,7 @@ class TDTestCase:
 
     def run(self):
         tdSql.prepare()
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,15,0)
         buildPath = self.getBuildPath()
         if (buildPath == ""):
@@ -68,7 +68,7 @@ class TDTestCase:
         for i in range(5): 
             #switch lastRow to off and check
             tdSql.execute('alter database db cachemodel 'none'') 
-            tdSql.query('show databases')
+            tdSql.query('select * from information_schema.ins_databases')
             tdSql.checkData(0,15,0)
 
             #run last_row(*) query 500 times       
@@ -80,7 +80,7 @@ class TDTestCase:
 
             #switch lastRow to on and check
             tdSql.execute('alter database db cachemodel 'last_row'')
-            tdSql.query('show databases')
+            tdSql.query('select * from information_schema.ins_databases')
             tdSql.checkData(0,15,1)
         
             #run last_row(*) query 500 times 

tests/pytest/alter/alter_create_exception.py

@@ -49,7 +49,7 @@ class TDTestCase:
         tdSql.error('create database db keep "3650"')
         tdSql.error('create database db wal_fsync_period "3650"')
         tdSql.execute('create database db precision "us"')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,16,'us')
         tdSql.execute('drop database if exists db')
 
@@ -79,7 +79,7 @@ class TDTestCase:
         tdSql.error('alter database db keep ,,60,')
         tdSql.error('alter database db keep \t')
         tdSql.execute('alter database db keep \t50')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'50,50,50')
 
     def stop(self):

tests/pytest/alter/alter_debugFlag.py

@@ -37,7 +37,7 @@ class TDTestCase:
             if randomFlag != 131 and randomFlag != 135 and randomFlag != 143:
                 tdSql.error("alter local %s %d" % (flag, randomFlag))
         
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         dnodeId = tdSql.getData(0, 0)
 
         for flag in flagList:

tests/pytest/alter/alter_keep.py

@@ -27,12 +27,12 @@ class TDTestCase:
         tdLog.notice('running Keep Test, Community Version')
         tdLog.notice('running parameter test for keep during create')
         #testing keep parameter during create
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'3650')
         tdSql.execute('drop database db')
 
         tdSql.execute('create database db keep 100')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100')
         tdSql.execute('drop database db')
 
@@ -47,7 +47,7 @@ class TDTestCase:
         tdLog.notice('running parameter test for keep during alter')
 
         tdSql.execute('alter database db keep 100')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100')
 
         tdSql.error('alter database db keep ')
@@ -55,7 +55,7 @@ class TDTestCase:
         tdSql.error('alter database db keep 10,20')
         tdSql.error('alter database db keep 10,20,30')
         tdSql.error('alter database db keep 20,30,40,50')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100')
 
     def alterKeepEnterprise(self):
@@ -63,22 +63,22 @@ class TDTestCase:
         #testing keep parameter during create
         tdLog.notice('running parameter test for keep during create')
 
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'3650,3650,3650')
         tdSql.execute('drop database db')
 
         tdSql.execute('create database db keep 100')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100,100,100')
         tdSql.execute('drop database db')
 
         tdSql.execute('create database db keep 20, 30')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'20,30,30')
         tdSql.execute('drop database db')
 
         tdSql.execute('create database db keep 30,40,50')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'30,40,50')
         tdSql.execute('drop database db')
 
@@ -95,15 +95,15 @@ class TDTestCase:
         tdLog.notice('running parameter test for keep during alter')
 
         tdSql.execute('alter database db keep 10')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'10,10,10')
 
         tdSql.execute('alter database db keep 20,30')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'20,30,30')
 
         tdSql.execute('alter database db keep 100,200,300')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100,200,300')
 
         tdSql.error('alter database db keep ')
@@ -113,7 +113,7 @@ class TDTestCase:
         tdSql.error('alter database db keep 100,40,50')
         tdSql.error('alter database db keep 20,100,50')
         tdSql.error('alter database db keep 50,60,20')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'100,200,300')
 
 
@@ -148,7 +148,7 @@ class TDTestCase:
         #test case for TD-4459 and TD-4445
         tdLog.notice('testing keep will be altered changing from small to big')
         tdSql.execute('alter database db keep 40,40,40')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'40,40,40')
         tdSql.error('insert into tb values (now-60d, 10)')
         tdSql.execute('insert into tb values (now-30d, 10)')
@@ -160,7 +160,7 @@ class TDTestCase:
             rowNum += 1
             tdSql.execute('alter database db keep 20,20,20')
             tdSql.execute('alter database db keep 40,40,40')
-            tdSql.query('show databases')
+            tdSql.query('select * from information_schema.ins_databases')
             tdSql.checkData(0,7,'40,40,40')
             tdSql.error('insert into tb values (now-60d, 10)')
             tdSql.execute('insert into tb values (now-30d, 10)')
@@ -169,7 +169,7 @@ class TDTestCase:
 
         tdLog.notice('testing keep will be altered changing from big to small')
         tdSql.execute('alter database db keep 10,10,10')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,7,'10,10,10')
         tdSql.error('insert into tb values (now-15d, 10)')
         tdSql.query('select * from tb')

tests/pytest/alter/db_update_options.py

@@ -21,7 +21,7 @@ class TDTestCase:
         # check default update value 
         sql = "create database if not exists db"
         tdSql.execute(sql)
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0,16,0)
 
@@ -29,14 +29,14 @@ class TDTestCase:
 
         # check update value 
         tdSql.execute(sql)
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0,16,1)
 
 
         sql = "alter database db update 0"
         tdSql.execute(sql)
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0,16,0)
 
@@ -46,7 +46,7 @@ class TDTestCase:
         sql = "alter database db update 100"
         tdSql.error(sql)
 
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0,16,0)
 
@@ -56,7 +56,7 @@ class TDTestCase:
 
         tdSql.execute('create database db update 1')
 
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0,16,1)
 

tests/pytest/client/alterDatabase.py

@@ -29,18 +29,18 @@ class TDTestCase:
         tdSql.checkData(0, 0, "db")        
         
         tdSql.execute("alter database db comp 2")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 14, 2)
 
         tdSql.execute("alter database db keep 365,365,365")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 7, "365,365,365")
         
         tdSql.error("alter database db quorum 2")
         
 
         tdSql.execute("alter database db blocks 100")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 9, 100)
 
 

tests/pytest/client/client.py

@@ -37,7 +37,7 @@ class TDTestCase:
 
         time.sleep(1)
 
-        ret = tdSql.query('show dnodes')
+        ret = tdSql.query('select * from information_schema.ins_dnodes')
 
         dnodeId = tdSql.getData(0, 0);
         dnodeEndpoint = tdSql.getData(0, 1);

tests/pytest/cluster/killAndRestartDnodesTest.py

@@ -30,7 +30,7 @@ class ClusterTestcase:
         tdSql.init(ctest.conn.cursor(), False)
 
         nodes.node1.stopTaosd()
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         tdSql.checkRows(3)
         tdSql.checkData(0, 4, "offline")
         tdSql.checkData(1, 4, "ready")    
@@ -43,7 +43,7 @@ class ClusterTestcase:
         tdSql.checkData(2, 4, "ready")
 
         nodes.node2.stopTaosd()
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         tdSql.checkRows(3)
         tdSql.checkData(0, 4, "ready")
         tdSql.checkData(1, 4, "offline")    
@@ -56,7 +56,7 @@ class ClusterTestcase:
         tdSql.checkData(2, 4, "ready")
 
         nodes.node3.stopTaosd()
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         tdSql.checkRows(3)
         tdSql.checkData(0, 4, "ready")
         tdSql.checkData(1, 4, "ready")    

tests/pytest/cluster/offlineThresholdTest.py

@@ -33,7 +33,7 @@ class ClusterTestcase:
         nodes.node3.stopTaosd()
 
         tdLog.sleep(10)
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         tdSql.checkRows(3)
         tdSql.checkData(2, 4, "offline")
 

tests/pytest/cluster/oneReplicaOfflineTest.py

@@ -55,7 +55,7 @@ class ClusterTestcase:
         tdSql.execute("drop database %s" % ctest.dbName)
         
         nodes.node2.startTaosd()
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(0)
         
         tdSql.close()

tests/pytest/cluster/stopAllDnodesTest.py

@@ -26,19 +26,19 @@ class ClusterTestcase:
         ctest = ClusterTest(nodes.node1.hostName)
         tdSql.init(ctest.conn.cursor(), False)
                 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         count = tdSql.queryRows;
 
         nodes.stopAllTaosd()
         nodes.node1.startTaosd()
-        tdSql.error("show databases")
+        tdSql.error("select * from information_schema.ins_databases")
 
         nodes.node2.startTaosd()
-        tdSql.error("show databases")
+        tdSql.error("select * from information_schema.ins_databases")
 
         nodes.node3.startTaosd()
         tdLog.sleep(10)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(count)
 
 ct = ClusterTestcase()

tests/pytest/cluster/stopTwoDnodesTest.py

@@ -29,19 +29,19 @@ class ClusterTestcase:
         ctest.run()
         tdSql.init(ctest.conn.cursor(), False)
         
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         count = tdSql.queryRows;
         tdSql.execute("use %s" % ctest.dbName)
         tdSql.execute("alter database %s replica 3" % ctest.dbName)    
         nodes.node2.stopTaosd()
         nodes.node3.stopTaosd()
-        tdSql.error("show databases")
+        tdSql.error("select * from information_schema.ins_databases")
         
         nodes.node2.startTaosd()
-        tdSql.error("show databases")
+        tdSql.error("select * from information_schema.ins_databases")
 
         nodes.node3.startTaosd()
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(count)
         
 ct = ClusterTestcase()

tests/pytest/crash_gen/crash_gen_main.py

@@ -996,7 +996,7 @@ class StateMechine:
             return  # do nothing
 
         # this should show up in the server log, separating steps
-        dbc.execute("show dnodes")
+        dbc.execute("select * from information_schema.ins_dnodes")
 
         # Generic Checks, first based on the start state
         if not Config.getConfig().ignore_errors: # verify state, only if we are asked not to ignore certain errors.
@@ -2042,7 +2042,7 @@ class TaskRestartService(StateTransitionTask):
 
         if Dice.throw(self.CHANCE_TO_RESTART_SERVICE) == 0: # 1 in N chance
             dbc = wt.getDbConn()
-            dbc.execute("show databases") # simple delay, align timing with other workers
+            dbc.execute("select * from information_schema.ins_databases") # simple delay, align timing with other workers
             gSvcMgr.restart()
 
         self._isRunning = False
@@ -2335,7 +2335,7 @@ class ClientManager:
     # def _printLastNumbers(self):  # to verify data durability
     #     dbManager = DbManager()
     #     dbc = dbManager.getDbConn()
-    #     if dbc.query("show databases") <= 1:  # no database (we have a default called "log")
+    #     if dbc.query("select * from information_schema.ins_databases") <= 1:  # no database (we have a default called "log")
     #         return
     #     dbc.execute("use db")
     #     if dbc.query("show tables") == 0:  # no tables

tests/pytest/crash_gen/service_manager.py

@@ -185,7 +185,7 @@ quorum 2
             return ["exec " + self.getExecFile(), '-c', self.getCfgDir()] # used in subproce.Popen()
     
     def _getDnodes(self, dbc):
-        dbc.query("show dnodes")
+        dbc.query("select * from information_schema.ins_dnodes")
         cols = dbc.getQueryResult() #  id,end_point,vnodes,cores,status,role,create_time,offline reason
         return {c[1]:c[4] for c in cols} # {'xxx:6030':'ready', 'xxx:6130':'ready'}
 
@@ -768,7 +768,7 @@ class ServiceManagerThread:
     def _verifyDnode(self, tInst: TdeInstance):
         dbc = DbConn.createNative(tInst.getDbTarget())
         dbc.open()
-        dbc.query("show dnodes")
+        dbc.query("select * from information_schema.ins_dnodes")
         # dbc.query("DESCRIBE {}.{}".format(dbName, self._stName))
         cols = dbc.getQueryResult() #  id,end_point,vnodes,cores,status,role,create_time,offline reason
         # ret = {row[0]:row[1] for row in stCols if row[3]=='TAG'} # name:type

tests/pytest/crash_gen/shared/db.py

@@ -114,7 +114,7 @@ class DbConn:
 
     def existsDatabase(self, dbName: str):
         ''' Check if a certain database exists '''
-        self.query("show databases")
+        self.query("select * from information_schema.ins_databases")
         dbs = [v[0] for v in self.getQueryResult()] # ref: https://stackoverflow.com/questions/643823/python-list-transformation
         # ret2 = dbName in dbs
         # print("dbs = {}, str = {}, ret2={}, type2={}".format(dbs, dbName,ret2, type(dbName)))
@@ -157,7 +157,7 @@ class DbConn:
     def getResultCols(self):
         raise RuntimeError("Unexpected execution, should be overriden")
 
-# Sample: curl -u root:taosdata -d "show databases" localhost:6020/rest/sql
+# Sample: curl -u root:taosdata -d "select * from information_schema.ins_databases" localhost:6020/rest/sql
 
 
 class DbConnRest(DbConn):

tests/pytest/dbmgmt/database-name-boundary.py

@@ -47,7 +47,7 @@ class TDTestCase:
         tdLog.info('create database %s' % db_name)
         tdSql.execute('create database %s' % db_name)
 
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(1)
         tdSql.checkData(0, 0, db_name.lower())
 
@@ -57,7 +57,7 @@ class TDTestCase:
         tdLog.info('create database %s' % db_name)
         tdSql.execute('create database %s' % db_name)
 
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkRows(2)
         tdSql.checkData(0, 0, db_name.lower())
 

tests/pytest/dbmgmt/nanoSecondCheck.py

@@ -32,7 +32,7 @@ class TDTestCase:
         tdSql.execute('reset query cache')
         tdSql.execute('drop database if exists db')
         tdSql.execute('create database db precision "ns";')
-        tdSql.query('show databases;')
+        tdSql.query('select * from information_schema.ins_databases;')
         tdSql.checkData(0,16,'ns')
         tdSql.execute('use db')
 

tests/pytest/functions/queryTestCases.py

@@ -68,7 +68,7 @@ class TDTestCase:
         tdSql.query("show variables")
         tdSql.checkData(26, 1, -1)
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
 
         tdDnodes.stop(index)
@@ -269,7 +269,7 @@ class TDTestCase:
         tdSql.execute("create database  if not exists db")
         tdSql.query("show variables")
         tdSql.checkData(38, 1, 3650)
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0,7,"3650,3650,3650")
 
         days = tdSql.getData(0, 6)
@@ -288,12 +288,12 @@ class TDTestCase:
         tdSql.error("alter database db keep0 36500")
 
         tdSql.execute("alter database db keep 36500")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 7, "3650,3650,36500")
         tdSql.execute("drop database if exists db")
 
         tdSql.execute("create database  if not exists db1")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 7, "3650,3650,3650")
         tdSql.query("show variables")
         tdSql.checkData(38, 1, 3650)
@@ -311,7 +311,7 @@ class TDTestCase:
         maxTablesPerVnode = 10
         maxVgroupsPerDb = 100
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
 
         tdDnodes.stop(index)
@@ -334,7 +334,7 @@ class TDTestCase:
         for i in  range(100):
             tdSql.execute(f"create table db.t1{i} using db.stb1 tags({i})")
             insert_sql += f" t1{i} values({1604298064000 + i*1000}, {i})"
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         vnode_count = tdSql.getData(0, 2)
         if vnode_count <= 1:
             tdLog.exit("vnode is less than 2")
@@ -443,7 +443,7 @@ class TDTestCase:
         # f50, f51, f52, f53 = tdSql.getData(0,1), tdSql.getData(0,2), tdSql.getData(0,3), tdSql.getData(0,4)
 
         # 关闭服务并获取未开启压缩情况下的数据容量
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
 

tests/pytest/insert/date.py

@@ -174,9 +174,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/insert/insert_locking.py

@@ -33,7 +33,7 @@ class TDTestCase:
         tdLog.info("\n\n----------step1 : drop db and create db----------\n")
         tdSql.execute('''drop database if exists db ;''')
         tdSql.execute('''create database db ;''')
-        sql = '''show databases;'''
+        sql = '''select * from information_schema.ins_databases;'''
         tdSql.query(sql)
         tdSql.checkRows(1)
 

tests/pytest/manualTest/TD-5114/continueCreateDn.py

@@ -46,7 +46,7 @@ class TwoClients:
         for i in range(10):
             os.system("taosdemo -f manualTest/TD-5114/insertDataDb3Replica2.json -y ")
         # # check data correct 
-        tdSql.execute("show databases")
+        tdSql.execute("select * from information_schema.ins_databases")
         tdSql.execute("use db3")
         tdSql.query("select count (tbname) from stb0")
         tdSql.checkData(0, 0, 20000)
@@ -78,7 +78,7 @@ class TwoClients:
         #                     % (j, self.ts + i*1000, i + 1, i + 1, i + 1, i + 1, i + 1, i + 0.1, i + 0.1, i % 2, i + 1, i + 1, i + 1, i + 1, i + 1, i + 1))
 
         # # check data correct 
-        # tdSql.execute("show databases")
+        # tdSql.execute("select * from information_schema.ins_databases")
         # tdSql.execute("use db3")
         # tdSql.query("select count (tbname) from test")
         # tdSql.checkData(0, 0, 200) 

tests/pytest/manualTest/manual_alter_block.py

@@ -51,7 +51,7 @@ class TDTestCase:
 
         #alter cache block to 3, then check alter
         tdSql.execute('alter database db blocks 3')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,9,3)
 
         #run taosdemo to occupy all cache, need to manually check memory consumption
@@ -60,7 +60,7 @@ class TDTestCase:
 
         #alter cache block to 8, then check alter
         tdSql.execute('alter database db blocks 8')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,9,8)
 
         #run taosdemo to occupy all cache, need to manually check memory consumption

tests/pytest/manualTest/manual_alter_comp.py

@@ -71,7 +71,7 @@ class TDTestCase:
 
         #comp is at 14
         #check disk usage when comp=2
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.execute('alter database db blocks 3') # minimize the data in cache
         tdSql.checkData(0,14,2)
         os.system("%staosdemo -f tools/taosdemoAllTest/manual_block1_comp.json" % binPath)
@@ -86,10 +86,10 @@ class TDTestCase:
 
         #check disk usage when comp=0
         tdSql.prepare()
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,14,2)
         tdSql.execute('alter database db comp 0')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,14,0)
         os.system("%staosdemo -f tools/taosdemoAllTest/manual_block1_comp.json" % binPath)
         print("default location is at /home/bryan/Documents/Github/TDengine/sim/dnode1/data")
@@ -103,10 +103,10 @@ class TDTestCase:
 
         #check disk usage when comp=1
         tdSql.prepare()
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,14,2)
         tdSql.execute('alter database db comp 1')
-        tdSql.query('show databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdSql.checkData(0,14,1)
         os.system("%staosdemo -f tools/taosdemoAllTest/manual_block1_comp.json" % binPath)
         print("default location is at /home/bryan/Documents/Github/TDengine/sim/dnode1/data")

tests/pytest/perfbenchmark/bug3433.py

@@ -224,7 +224,7 @@ class TDTestCase:
         self.inserttable(file_create_table)
 
         tdLog.printNoPrefix("==========step2:check database and stable records")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkData(0, 2, 2000)
         tdSql.execute("use db")
         tdSql.query("show stables")

tests/pytest/query/query1970YearsAf.py

@@ -235,7 +235,7 @@ class TDTestCase:
         self.sqlsquery()
 
         # after wal and sync, check again
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)

tests/pytest/query/queryJoin10tables.py

@@ -184,7 +184,7 @@ class TDTestCase:
         self.queryjointable()
 
         # after wal and sync, check again
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)

tests/pytest/query/queryStddevWithGroupby.py

@@ -54,7 +54,7 @@ class TDTestCase:
         self.querysqls()
 
         tdLog.printNoPrefix("==========step3:after wal,check again")
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)

tests/pytest/query/queryTscomputWithNow.py

@@ -155,7 +155,7 @@ class TDTestCase:
         self.inertnow()
         self.querynow()
 
-        tdSql.query("show dnodes")
+        tdSql.query("select * from information_schema.ins_dnodes")
         index = tdSql.getData(0, 0)
         tdDnodes.stop(index)
         tdDnodes.start(index)

tests/pytest/query/removeDBAndSTable.py

@@ -50,14 +50,14 @@ class TDTestCase:
         tdSql.checkData(0, 0, "st_vplu")
 
         tdSql.execute("drop database db")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
         tdSql.checkData(0, 0, "db_vplu")
 
         tdDnodes.stopAll()
         tdDnodes.start(1)
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(1)
         tdSql.checkData(0, 0, "db_vplu")
 

tests/pytest/restful/restful_bind_db1.py

@@ -75,10 +75,10 @@ class TDTestCase():
 
         # test with no bind databases
 
-        sqls = ["show databases;",
+        sqls = ["select * from information_schema.ins_databases;",
         "use test", 
         "show tables;",
-        "show dnodes;",
+        "select * from information_schema.ins_dnodes;",
         "show vgroups;",
         "create database db;",
         "drop database db;",

tests/pytest/restful/restful_bind_db2.py

@@ -60,10 +60,10 @@ class TDTestCase():
 
         # test with no bind databases
 
-        sqls = ["show databases;",
+        sqls = ["select * from information_schema.ins_databases;",
         "use test", 
         "show tables;",
-        "show dnodes;",
+        "select * from information_schema.ins_dnodes;",
         "show vgroups;",
         "create database db;",
         "drop database db;",

tests/pytest/stream/test2.py

@@ -14,7 +14,7 @@ class TDTestCase:
         #for i in range(100):
             tdSql.prepare()
             dbname = tdCom.getLongName(10, "letters")
-            tdSql.execute('show databases')
+            tdSql.execute('select * from information_schema.ins_databases')
             tdSql.execute('drop database if exists ttxkbrzmpo')
             tdSql.execute('create database if not exists ttxkbrzmpo vgroups 1')
             tdSql.execute('use ttxkbrzmpo')

tests/pytest/table/column_num.py

@@ -104,9 +104,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/table/db_table.py

@@ -34,8 +34,8 @@ class TDTestCase:
         tdLog.info('=============== step6')
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)
 # convert end

tests/pytest/tag_lite/3.py

@@ -1311,9 +1311,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/4.py

@@ -1855,9 +1855,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/5.py

@@ -2283,9 +2283,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/6.py

@@ -2731,9 +2731,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/add.py

@@ -2055,9 +2055,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('sql drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/bigint.py

@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/binary.py

@@ -565,9 +565,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/binary_binary.py

@@ -776,9 +776,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/bool.py

@@ -560,9 +560,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/bool_binary.py

@@ -770,9 +770,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/bool_int.py

@@ -802,9 +802,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/change.py

@@ -924,9 +924,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/column.py

@@ -176,9 +176,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/commit.py

@@ -2300,9 +2300,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/delete.py

@@ -1697,9 +1697,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/double.py

@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/filter.py

@@ -351,9 +351,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/float.py

@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/int.py

@@ -560,9 +560,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/int_binary.py

@@ -768,9 +768,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/int_float.py

@@ -804,9 +804,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/set.py

@@ -875,9 +875,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/smallint.py

@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/tinyint.py

@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/unsignedBigint.py

@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/unsignedInt.py

@@ -562,9 +562,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/unsignedSmallint.py

@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tag_lite/unsignedTinyint.py

@@ -561,9 +561,9 @@ class TDTestCase:
         # TSIM: sql drop database $db
         tdLog.info('drop database db')
         tdSql.execute('drop database db')
-        # TSIM: sql show databases
-        tdLog.info('show databases')
-        tdSql.query('show databases')
+        # TSIM: sql select * from information_schema.ins_databases
+        tdLog.info('select * from information_schema.ins_databases')
+        tdSql.query('select * from information_schema.ins_databases')
         # TSIM: if $rows != 0 then
         tdLog.info('tdSql.checkRow(0)')
         tdSql.checkRows(0)

tests/pytest/tools/taosdemoTestWithoutMetric.py

@@ -53,7 +53,7 @@ class TDTestCase:
         os.system("%staosdemo -N -y -t %d -n %d" %
                   (binPath, self.numberOfTables, self.numberOfRecords))
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(18):
             print(tdSql.getData(0, i) )
         tdSql.checkData(0, 2, self.numberOfTables)

tests/pytest/tools/taosdumpTest.py

@@ -99,14 +99,14 @@ class TDTestCase:
 
         tdSql.execute("drop database db")
         tdSql.execute("drop database db1")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(2)
 
         os.system("%s -i ./taosdumptest/tmp1" % binPath)
         os.system("%s -i ./taosdumptest/tmp2" % binPath)
 
         tdSql.execute("use db")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(4)
         dbresult = tdSql.queryResult
         # 6--duration,7--keep0,keep1,keep

tests/pytest/tools/taosdumpTest2.py

@@ -81,12 +81,12 @@ class TDTestCase:
             binPath)
 
         tdSql.execute("drop database db")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(2)
 
         os.system("%s -i ./taosdumptest/tmp" % binPath)
 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(3)
         tdSql.checkData(2, 0, 'db')
 
@@ -115,7 +115,7 @@ class TDTestCase:
         os.system("%s -D test -o ./taosdumptest/tmp -y" % binPath)
 
         tdSql.execute("drop database test")
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.checkRows(3)
 
         os.system("%s -i ./taosdumptest/tmp -y" % binPath)

tests/pytest/tsdb/tsdbCompCluster.py

@@ -131,7 +131,7 @@ class TwoClients:
 
 
         # check data correct 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.execute("use db2")
         tdSql.query("select count (tbname) from stb0")
         tdSql.checkData(0, 0, 1)

tests/pytest/tsdb/tsdbCompClusterReplica2.py

@@ -142,7 +142,7 @@ class TwoClients:
         tdSql.init(cur2, True)
 
         # check data correct 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         tdSql.execute("use db2")
         tdSql.query("select count (tbname) from stb0")
         tdSql.checkData(0, 0, 1)

tests/pytest/util/cluster.py

@@ -72,7 +72,7 @@ class ConfigureyCluster:
         tdSql.init(conn.cursor())
         count=0
         while count < 5:
-            tdSql.query("show dnodes")
+            tdSql.query("select * from information_schema.ins_dnodes")
             # tdLog.debug(tdSql.queryResult)
             status=0
             for i in range(self.dnodeNums):

tests/pytest/wal/sdbCompCluster.py

@@ -106,7 +106,7 @@ class TwoClients:
         tdSql.init(cur2, True)
 
         # use new wal file to start up tasod 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0]=="db2":
                 assert tdSql.queryResult[i][4]==1 , "replica is wrong"

tests/pytest/wal/sdbCompClusterReplica2.py

@@ -116,7 +116,7 @@ class TwoClients:
         tdSql.init(cur2, True)
 
         # use new wal file to start up tasod 
-        tdSql.query("show databases")
+        tdSql.query("select * from information_schema.ins_databases")
         for i in range(tdSql.queryRows):
             if tdSql.queryResult[i][0]=="db2":
                 assert tdSql.queryResult[i][4]==2 , "replica is wrong"

tests/script/tsim/dnode/drop_dnode_has_qnode_snode.sim

@@ -33,7 +33,7 @@ print =============== step2: create qnode snode on dnode 2
 sql create qnode on dnode 2
 sql create snode on dnode 2
 
-sql show qnodes
+sql select * from information_schema.ins_qnodes
 if $rows != 1 then
   return -1
 endi
@@ -57,7 +57,7 @@ if $data00 != 1 then
   return -1
 endi
 
-sql show qnodes
+sql select * from information_schema.ins_qnodes
 if $rows != 0 then
   return -1
 endi

tests/script/tsim/parser/auto_create_tb.sim

@@ -289,7 +289,7 @@ if $rows != 1 then
 endi
 
 #sql drop database $db
-#sql show databases
+#sql select * from information_schema.ins_databases
 #if $rows != 0 then
 #  return -1
 #endi

tests/script/tsim/parser/create_db.sim

@@ -262,7 +262,7 @@ sql_error create database $db comp -1
 sql_error create database $db comp 3
 
 sql_error drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi

tests/script/tsim/parser/create_mt.sim

@@ -240,7 +240,7 @@ $mt2 = mt2
 print chinese_char_in_metrics test passed
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi

tests/script/tsim/parser/create_tb.sim

@@ -180,7 +180,7 @@ sql_error create table $tbname65 (ts timestamp, col int)
 print table_already_exists test passed
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi

tests/script/tsim/parser/distinct.sim

@@ -75,7 +75,7 @@ endi
 
 ### select distinct
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi

tests/script/tsim/parser/fill_stb.sim

@@ -431,7 +431,7 @@ endi
 
 print =============== clear
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 0 then
   return -1
 endi

tests/script/tsim/parser/fill_us.sim

@@ -844,7 +844,7 @@ endi
 
 #print =============== clear
 #sql drop database $db
-#sql show databases
+#sql select * from information_schema.ins_databases
 #if $rows != 0 then
 #  return -1
 #endi

tests/script/tsim/parser/insert_tb.sim

@@ -221,7 +221,7 @@ if $rows != 1 then
 endi
 
 #sql drop database $db
-#sql show databases
+#sql select * from information_schema.ins_databases
 #if $rows != 0 then
 #  return -1
 #endi

tests/script/tsim/parser/nchar.sim

@@ -305,7 +305,7 @@ endi
 # case: query_with_wildcard
 # print =============== clear
 # sql drop database $db
-# sql show databases
+# sql select * from information_schema.ins_databases
 # if $rows != 0 then
 #   return -1
 # endi

tests/script/tsim/parser/precision_ns.sim

@@ -100,7 +100,7 @@ sql select count(*) from $mt interval(100000000b) sliding(100000000b)
 
 print =============== clear
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi

tests/script/tsim/parser/select_across_vnodes.sim

@@ -71,7 +71,7 @@ if $rows != $tbNum then
 endi
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi

tests/script/tsim/parser/select_distinct_tag.sim

@@ -50,7 +50,7 @@ endi
 sql_error select distinct t1, t2 from &stb
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi

tests/script/tsim/parser/stableOp.sim

@@ -84,7 +84,7 @@ endi
 print create/alter/drop stable test passed
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi

tests/script/tsim/parser/tags_filter.sim

@@ -99,7 +99,7 @@ if $data01 != 4 then
 endi
 
 sql drop database $db
-sql show databases
+sql select * from information_schema.ins_databases
 if $rows != 2 then
   return -1
 endi