这是Percona的解释: Specifies how much information to include in your slow log. The value is a comma-delimited string, and can contain any combination of the following values: microtime: Log queries with microsecond precision (mandatory). query_plan: Log information about the query’s execution ...
I'm halfway there I think. Using FIND_IN_SET, I can search a comma-delimited string for a single value, but I haven't figured out how to search the string for multiple values. SELECT id FROM table WHERE FIND_IN_SET("2", stringOfNums) That will return any row where "2" ...
If multiple matches are found, the content of the first child text node of each matching element is returned (in the order matched) as a single, space-delimited string. If no matching text node is found for the expression (including the implicit /text())—for whatever reason, as long ...
#5 0x00000000015a7814 in mysql_execute_command (thd=0x7fff28012820, first_level=true) at /root/mysql5.7.14/percona-server-5.7.14-7/sql/sql_parse.cc:3729 #6 0x00000000015adcd6 in mysql_parse (thd=0x7fff28012820, parser_state=0x7ffff035b600) at /root/mysql5.7.14/percona-server-5.7.14-...
我想写一个检查给定字符是否在给定字符串中的函数。下面是我的代码:inString:: String -> Char -> BoolinStringx c = x == cinStringx:xs c =inStringxs c 对我来说,这是非常有意义的,因为我知道字符串只是字符的列表。但我要买一台Parse error in pattern :inString。 任何帮助都将不胜感激。
Comma delimited status-name=threshold, same format as --max-load. When status exceeds threshold, app panics and quits --critical-load-hibernate-seconds int :负载达到critical-load时,gh-ost在指定的时间内进入休眠状态。 它不会读/写任何来自任何服务器的任何内容。
DELIMITED,PARMS,TRACE,FILE,BAKFILE,PARALLEL,BEFORE,BEGIN,BETWEEN,BIGDATEDIFF,BIGINT,BINARY,BIT,BITMAP,BLOB,BLOCK,BOOL,BOOLEAN,BOTH,BSTRING,BTREE,BY,BYTE,CACHE,CALCULATE,CALL,CASCADE,CASCADED,CASE,CAST,CATALOG,CHAIN,CHAR,CHARACTER,CUMULATIVE,NCHAR,NCHARACTER,NATIONAL,CHECK,CIPHER,CLOB,CLOSE,CLUSTER,...
A comma-delimited list of user-defined key:value pairs (in addition to standard MySQL-defined key:value pairs) to be passed to MySQL Server for display as connection attributes in the PERFORMANCE_SCHEMA.SESSION_CONNECT_ATTRS table. Example usage: connectionAttributes=key1:value1,key2:value2 This...
This is useful or needed when you want to include long SQL statements like CREATE PROCEDURE which include semicolon delimited statements but need to be interpreted as a single statement by mysqltest. If you have set the delimiter to “/” as in the previous example, you can set it back to...
@return 数组含有5个元素,分别是ip、时间、url、状态、流量 */ public String[] parse(String line){ String ip=parseIP(line);//提取ip String time; time=parseTime(line);//提取时间 String url; url=parseURL(line);//提取url String status =parseStatus(line);//提取状态 String traffic=parse...