func (wr *Wrangler) lockAndApplySchemaShard(ctx context.Context, shardInfo *topo.ShardInfo, preflight *myproto.SchemaChangeResult, keyspace, shard string, masterTabletAlias *pb.TabletAlias, change string, newParentTabletAlias *pb.TabletAlias, simple, force bool, waitSlaveTimeout time.Duration) (*myproto.SchemaChangeResult, error) {
// get a shard lock
actionNode := actionnode.ApplySchemaShard(masterTabletAlias, change, simple)
lockPath, err := wr.lockShard(ctx, keyspace, shard, actionNode)
if err != nil {
return nil, err
}
scr, err := wr.applySchemaShard(ctx, shardInfo, preflight, masterTabletAlias, change, newParentTabletAlias, simple, force, waitSlaveTimeout)
return scr, wr.unlockShard(ctx, keyspace, shard, actionNode, lockPath, err)
}
func (wr *Wrangler) lockAndApplySchemaShard(shardInfo *topo.ShardInfo, preflight *myproto.SchemaChangeResult, keyspace, shard string, masterTabletAlias topo.TabletAlias, change string, newParentTabletAlias topo.TabletAlias, simple, force bool) (*myproto.SchemaChangeResult, error) {
// get a shard lock
actionNode := actionnode.ApplySchemaShard(masterTabletAlias, change, simple)
lockPath, err := wr.lockShard(keyspace, shard, actionNode)
if err != nil {
return nil, err
}
scr, err := wr.applySchemaShard(shardInfo, preflight, masterTabletAlias, change, newParentTabletAlias, simple, force)
return scr, wr.unlockShard(keyspace, shard, actionNode, lockPath, err)
}