Merge pull request #5347 from taosdata/fix/TD-3110

[TD-3110]<fix>: TSDB_MIN_WAL_LEVEL <- 0 to allow db wal no log

src/inc/taosdef.h

@@ -286,7 +286,7 @@ do { \
 #define TSDB_MAX_COMP_LEVEL             2
 #define TSDB_DEFAULT_COMP_LEVEL         2
 
-#define TSDB_MIN_WAL_LEVEL              1
+#define TSDB_MIN_WAL_LEVEL              0
 #define TSDB_MAX_WAL_LEVEL              2
 #define TSDB_DEFAULT_WAL_LEVEL          1
 

tests/script/general/db/alter_option.sim

@@ -209,7 +209,7 @@ sql alter database db wal 1
 sql alter database db wal 2
 sql alter database db wal 1
 sql alter database db wal 2
-sql_error alter database db wal 0
+sql alter database db wal 0
 sql_error alter database db wal 3
 sql_error alter database db wal 4
 sql_error alter database db wal -1

tests/script/general/parser/create_db.sim

@@ -169,8 +169,8 @@ sql_error create database $db cache 0
 sql_error create database $db ctime 29
 sql_error create database $db ctime 40961
 
-# wal {1, 2}
-sql_error create database $db wal 0
+# wal {0, 2}
+#sql_error create database $db wal 0
 sql_error create database $db wal -1
 sql_error create database $db wal 3