string(309) "select a.* from (select 'tour' as bo_table, wr_id, ca_name, wr_subject, wr_address, wr_latitude, wr_hardness, firstimage from iium_write_tour union all select 'cafe' as bo_table, wr_id, '카페' as ca_name, wr_subject, wr_address, wr_latitude, wr_hardness, '' as firstimage from iium_write_cafe) a where (1) "