mysql select count if contains
SELECT sum( case when `tags_Column` CONTAINS 'tag2' then 1 else 0 end ) as tag2, sum( case when `tags_Column` CONTAINS 'tag3' then 1 else 0 end ) as tag3, ..... sum( case when `tags_Column` CONTAINS 'tag256' then 1 else 0 end ) as tag256, sum( case when `tags_Column` CONTAINS `tag2` OR `tags_Column` CONTAINS 'tag3` then 0 else 1 end ) as doesnt_contains_tags_2_3 FROM `TableContainsTags`
