// PreflightSchema is part of the tmclient.TabletManagerClient interface
func (client *Client) PreflightSchema(ctx context.Context, tablet *topo.TabletInfo, change string) (*myproto.SchemaChangeResult, error) {
cc, c, err := client.dial(ctx, tablet)
if err != nil {
return nil, err
}
defer cc.Close()
response, err := c.PreflightSchema(ctx, &pb.PreflightSchemaRequest{
Change: change,
})
if err != nil {
return nil, err
}
return &myproto.SchemaChangeResult{
BeforeSchema: myproto.ProtoToSchemaDefinition(response.BeforeSchema),
AfterSchema: myproto.ProtoToSchemaDefinition(response.AfterSchema),
}, err
}
func (s *server) ApplySchema(ctx context.Context, request *pb.ApplySchemaRequest) (*pb.ApplySchemaResponse, error) {
ctx = callinfo.GRPCCallInfo(ctx)
response := &pb.ApplySchemaResponse{}
return response, s.agent.RPCWrapLockAction(ctx, actionnode.TabletActionApplySchema, request, response, true, func() error {
scr, err := s.agent.ApplySchema(ctx, &myproto.SchemaChange{
Sql: request.Sql,
Force: request.Force,
AllowReplication: request.AllowReplication,
BeforeSchema: myproto.ProtoToSchemaDefinition(request.BeforeSchema),
AfterSchema: myproto.ProtoToSchemaDefinition(request.AfterSchema),
})
if err == nil {
response.BeforeSchema = myproto.SchemaDefinitionToProto(scr.BeforeSchema)
response.AfterSchema = myproto.SchemaDefinitionToProto(scr.AfterSchema)
}
return err
})
}
// ApplySchema is part of the tmclient.TabletManagerClient interface
func (client *Client) ApplySchema(ctx context.Context, tablet *topo.TabletInfo, change *myproto.SchemaChange) (*myproto.SchemaChangeResult, error) {
cc, c, err := client.dial(ctx, tablet)
if err != nil {
return nil, err
}
defer cc.Close()
response, err := c.ApplySchema(ctx, &pb.ApplySchemaRequest{
Sql: change.Sql,
Force: change.Force,
AllowReplication: change.AllowReplication,
BeforeSchema: myproto.SchemaDefinitionToProto(change.BeforeSchema),
AfterSchema: myproto.SchemaDefinitionToProto(change.AfterSchema),
})
if err != nil {
return nil, err
}
return &myproto.SchemaChangeResult{
BeforeSchema: myproto.ProtoToSchemaDefinition(response.BeforeSchema),
AfterSchema: myproto.ProtoToSchemaDefinition(response.AfterSchema),
}, nil
}
// GetSchema is part of the tmclient.TabletManagerClient interface
func (client *Client) GetSchema(ctx context.Context, tablet *topo.TabletInfo, tables, excludeTables []string, includeViews bool) (*myproto.SchemaDefinition, error) {
cc, c, err := client.dial(ctx, tablet)
if err != nil {
return nil, err
}
defer cc.Close()
response, err := c.GetSchema(ctx, &pb.GetSchemaRequest{
Tables: tables,
ExcludeTables: excludeTables,
IncludeViews: includeViews,
})
if err != nil {
return nil, err
}
return myproto.ProtoToSchemaDefinition(response.SchemaDefinition), nil
}