Correction type de gid

db/migrations/20190202114345_create_announcements_authors.js

@@ -7,7 +7,7 @@ exports.up = function (knex, Promise) {
             .references('mid').inTable('messages_announcements')
             .onDelete('CASCADE'); //if announcement is deleted, also delete authors
 
-        table.integer('gid').notNullable()
+        table.string('gid', 128).notNullable()
             .references('gid').inTable('groups')
             .onDelete('CASCADE'); //if group is deleted, also delete authors
     });

db/migrations/20190202114346_create_announcements_recipients.js

@@ -7,7 +7,7 @@ exports.up = function (knex, Promise) {
             .references('mid').inTable('messages_announcements')
             .onDelete('CASCADE'); //if announcement is deleted, also delete recipients
 
-        table.integer('gid').notNullable()
+        table.string('gid', 128).notNullable()
             .references('gid').inTable('groups')
             .onDelete('CASCADE'); //if group is deleted, also delete recipient
     });

db/migrations/20190202114347_create_events_authors.js

@@ -7,7 +7,7 @@ exports.up = function (knex, Promise) {
             .references('mid').inTable('messages_events')
             .onDelete('CASCADE'); //if event is deleted, also delete authors
 
-        table.integer('gid').notNullable()
+        table.string('gid', 128).notNullable()
             .references('gid').inTable('groups')
             .onDelete('CASCADE'); //if group is deleted, also delete authors
     });

db/migrations/20190202114348_create_events_recipients.js

@@ -7,7 +7,7 @@ exports.up = function (knex, Promise) {
             .references('mid').inTable('messages_events')
             .onDelete('CASCADE'); //if event is deleted, also delete recipients
 
-        table.integer('gid').notNullable()
+        table.string('gid', 128).notNullable()
             .references('gid').inTable('groups')
             .onDelete('CASCADE'); //if group is deleted, also delete recipient
     });