Find out the data that can match the keyword key in field 1 or field 2 in the database table. If you want to display the matching data in field 1 first

A project that wants to optimize mysql Fuzzy query function ：
Business scenario ： Find out the fields in the database table 1 Or field 2 Can match keywords in key The data of , Priority fields 1 Match in , But fields 2 Records that can be matched in the should also be displayed ;
present situation ： I am using mysql concat(str1, str2) Function of , In this way, all matching results can be found , But you can't match fields by priority 1 First show .

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Take the answer ：

SQL First, check field 1 and then union all Can't field two , Otherwise elasticsearch Search scoring

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