-- +migrate Up
ALTER TABLE "PostReference"
    ALTER COLUMN post_id TYPE CHAR(25),
    ALTER COLUMN source_id TYPE CHAR(25);

ALTER TABLE post_tags
    ALTER COLUMN post_id TYPE CHAR(25);

ALTER TABLE  "UserFavorites"
    ALTER COLUMN  post_id TYPE CHAR(25);

ALTER TABLE "UserSource"
    ALTER COLUMN source_id TYPE CHAR(25);