mysql5.7及以下版本查询所有后代值(包括本身)

SET SESSION GROUP_CONCAT_MAX_LEN=10241024; -- 设置最大字符串长度，避免因字符长度不够影响查询结果

SELECT

dm.*

FROM

-- ------------------------- 查询所有层级开始----

-- @ids作为每一行的结果值

-- @l 按照层级查询，每一层查询一遍

(

SELECT

@ids AS _ids,

( SELECT @ids := GROUP_CONCAT( dimension_value_code ) FROM bgt_dimension_value WHERE FIND_IN_SET( parent_code, @ids ) ) AS cids,

@l := @l + 1 AS LEVEL

FROM

bgt_dimension_value,

( SELECT @ids := '10000100-P-YW', @l := 0 ) b

WHERE

@ids IS NOT NULL

) ID,

-- ------------------------- 查询所有层级开始

bgt_dimension_value dm

WHERE

FIND_IN_SET( dm.dimension_value_code, ID._ids ) -- 将表中所有行查询是否包含在集合科目中

AND dm.ACCOUNT_CODE='YW_JDYW_JDSD'

ORDER BY

dimension_value_code DESC;