ClickHouse支持with开头的查询语句 (#1915)

根据https://clickhouse.com/docs/zh/sql-reference/statements/select/with/,Cliskhouse应该支持with开头的查询语句

sql/engines/clickhouse.py

@@ -156,7 +156,7 @@ def query_check(self, db_name=None, sql=""):
         except IndexError:
             result["bad_query"] = True
             result["msg"] = "没有有效的SQL语句"
-        if re.match(r"^select|^show|^explain", sql, re.I) is None:
+        if re.match(r"^select|^show|^explain|^with", sql, re.I) is None:
             result["bad_query"] = True
             result["msg"] = "不支持的查询语法类型!"
         if "*" in sql: