mysql - use result string from one table as column names for another query -

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i trying trying simplify following query :-

select id, m_field_id_46 liverpool,m_field_id_47 london,m_field_id_48 belfast member_data

in way can dynamically create column names

select id, (select group_concat('m_field_id_',m_field_id,' ',m_field_label) member_fields) dist member_data

however not working. please help

i got working looking @ answer stackoverflow: -

set @liststr = ( select group_concat('md.m_field_id_',m_field_id,' `',m_field_label,'`') member_fields ); set @query := concat('select ', @liststr, ' member_data'); prepare stmt @query; execute stmt;

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