sqlite - How to delete a column from requery.io db in Android -


i have table defined as:

@table(name = "rooms") @entity interface irooms : persistable {     @get:column(nullable = false)     @get:key     var roomjid: string      @get:column(name = "gameid", nullable = false)     @get:manytoone     var game: igames      @get:column(name = "creatorjid", nullable = false)     @get:manytoone     var creator: iprofiles      @get:column(nullable = false)     @get:onetomany(cascade = arrayof(cascadeaction.delete, cascadeaction.save))     val players: mutablelist<iplayers>      @get:junctiontable     @get:manytomany(cascade = arrayof(cascadeaction.delete, cascadeaction.save))     val invitedcontacts: mutablelist<iinvitedcontacts>      @get:column(nullable = false)     var lastmodified: long      @get:column(nullable = false)     var islocked: boolean      var nextplayerjid: string?      @get:column(nullable = false)     var hasgameended: boolean      @get:column(nullable = false)     var issoloroom: boolean }

what want delete issoloroom column , add column matchtype defined as:

@get:convert(matchtype.requeryconverter::class) var matchtype: matchtype?

now, want write migration script remove issoloroom column , if issoloroom value true set matchtype solo else null.

what tried:

  1. i removed issoloroom column schema above , in onupgrade method wrote:

db?.execsql("update rooms set ('matchtype') = ('solo') soloroom = 1")

the matchtype column added desired effect issoloroom not removed.

what should in order remove issoloroom column , add matchtype column. should remove schema , onupgrade script via sqlite (which hectic write entire create table) or requery provides alternative it?


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