mysql - Group by a field that exist inside a nested query -


i want thank contributing answer here sql fiddle

http://sqlfiddle.com/#!9/610e7/1

-- query return attributes of issue

select * dataissue issue = '25998' .

what want : 

sum(value) count(value)      field = 'version(s)_corrigée(s)'  , value  = 'fermée'   ,  field = 'point_d_effort'  , value = 'récit'  , group value field = 'version(s)_corrigée(s)'

for example query return group sum explode because use field of outer query :

sqlfiddle.com/#!9/610e7/4

i suspect want this:

select sum(case when field = 'point_d_effort' value + 0 end), v         sum(field = 'point_d_effort') cnt dataissue group issue having sum(field = 'version(s)_corrigée(s)' , value  = 'fermée') > 0 ,        sum(field = 'type de demande' , value = 'récit')  > 0;

you have entity-attribute-value (eav) data structure. 1 method first aggregate key. if want total across issues, need aggregation:

select sum(v), sum(cnt) (select sum(case when field = 'point_d_effort' value + 0 end), v               sum(field = 'point_d_effort') cnt       dataissue       group issue       having sum(field = 'version(s)_corrigée(s)' , value  = 'fermée') > 0 ,              sum(field = 'type de demande' , value = 'récit')  > 0     ) t

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