1.1 --- a/framework/env/trace/sql.lua	Sun Mar 22 17:33:37 2015 +0100
     1.2 +++ b/framework/env/trace/sql.lua	Sun Mar 22 18:40:07 2015 +0100
     1.3 @@ -1,7 +1,8 @@
     1.4  --[[--
     1.5  trace.sql{
     1.6 -  command        = command,        -- executed SQL command as string
     1.7 -  error_position = error_position  -- optional position in bytes where an error occurred
     1.8 +  command        = command,         -- executed SQL command as string
     1.9 +  execution_time = execution_time,  -- execution time of the statement in seconds
    1.10 +  error_position = error_position   -- optional position in bytes where an error occurred
    1.11  }
    1.12  
    1.13  This command can be used to log SQL command execution. It is currently not invoked automatically.
    1.14 @@ -13,10 +14,14 @@
    1.15  function trace.sql(args)
    1.16    if not trace._disabled then
    1.17      local command = args.command
    1.18 +    local execution_time = args.execution_time
    1.19      local error_position = args.error_position
    1.20      if type(command) ~= "string" then
    1.21        error("No command string passed to trace.sql{...}.")
    1.22      end
    1.23 +    if type(execution_time) ~= "number" then
    1.24 +      error("No execution time number passed to trace.sql{...}.")
    1.25 +    end
    1.26      if error_position and type(error_position) ~= "number" then
    1.27        error("error_position must be a number.")
    1.28      end