1 --[[--

2 trace.sql{

3 command = command, -- executed SQL command as string

4 execution_time = execution_time, -- execution time of the statement in seconds

5 error_position = error_position -- optional position in bytes where an error occurred

6 }

7

8 This command is used to log SQL command execution. It does not need to be invoked manually.

9

10 --]]--

11

12 function trace.sql(args)

13 if not trace._disabled then

14 local command = args.command

15 local execution_time = args.execution_time

16 local error_position = args.error_position

17 if type(command) ~= "string" then

18 error("No command string passed to trace.sql{...}.")

19 end

20 if type(execution_time) ~= "number" then

21 error("No execution time number passed to trace.sql{...}.")

22 end

23 if error_position and type(error_position) ~= "number" then

24 error("error_position must be a number.")

25 end

26 trace._new_entry{

27 type = "sql",

28 command = command,

29 execution_time = execution_time,

30 error_position = error_position

31 }

32 for i, entry in ipairs(trace._stack) do

33 entry.db_time = entry.db_time + execution_time

34 end

35 end

36 end