How to add new column to existing table?

[gurjnderSingh]

I want to add new column in my db. My app is live. when i add new column it throw error error: {"message":"no such column: todoStar","code":5} Please guide how to do this?

[huyhai]

if (error.message.indexOf('no such column: todoStar') > -1) { db.transaction(this.updateColumn) } updateColumn = (tx) => { tx.executeSql('ALTER TABLE todo ADD todoStar varchar(55);') } this work for me but not work for column UNIQUE

[gurjnderSingh]

Thanks! @huyhai