Maybe you need this: https://github.com/zhaozg/mod_luaex Example on http://kkhub.com
2013/1/4 Brian McCallister <bri...@skife.org> > Supporting luasql would be a big bonus, though I understand if goal is to > provide a "quick and dirty api which is backed by mod_dbd" > > http://www.keplerproject.org/luasql/manual.html > > -Brian > > > On Thu, Jan 3, 2013 at 4:57 PM, Brian McCallister <bri...@skife.org>wrote: > >> On Thu, Jan 3, 2013 at 5:32 AM, Daniel Gruno <rum...@cord.dk> wrote: >> >>> ------------------------- >>> Connecting to a database: >>> ------------------------- >>> function handler(r) >>> local db, error = r:dbopen("mod_dbd") -- Open a mod_dbd connection >>> >> >> Shouldn't this be a method on the server representation, not the request >> representation? >> >> >>> if error then ... end >>> -- or... >>> local db, error = r:dbopen("mysql", >>> "server=localhost,user=root,database=somedb") >>> -- essentially the same as mod_dbd's connection string. >>> do_stuff() >>> db:close() -- close the db handle (can also be done by GC) >>> >> >> Hmm, if db here represents a handle, it should prolly be paired with >> acquire not open. >> >> >>> local still_running = db:active() -- returns false, since we closed >>> -- the connection. >>> end >>> >>> --------- >>> Querying: >>> --------- >>> -- Run a command and get the no. of rows affected: >>> local affected, err = db:do(r, "DELETE FROM `table` WHERE 1") >>> if err then >>> print("DB error: " .. err) >>> else >>> print("Deleted " .. affected .. " rows!") >>> end >>> >>> -- Run a query and get the rows returned: >>> local rows, err = db:query(r, "SELECT `name` FROM `table` WHERE 1") >>> >> >> Check your errors :-) >> >> Also, be careful what you return, you don't want to the API to force you >> to realize all results from a query eagerly. >> >> >>> if rows then >>> r:puts("We got " .. #rows " .. " results!") >>> for k, row in pairs(rows) do >>> print("Name: " .. row[1] .. "<br/>") >>> end >>> else >>> r:puts("DB error: " .. err) >>> end >>> >>> -- Run a prepared statement and inject values into it: >>> local rows, err = db:inject(r, "SELECT `name` FROM `tbl` WHERE `id` = >>> %u", 1234) >>> >> >> >> Hmm, I would expect an API like >> >> local pstmt, err = h:prepare("...") >> ... = pstmt:execute("hello", 7") >> -- or ... = pstmt:query("hello", 7") >> >> or such style api. "Injecting" into implicit prepared statement is a >> strange api. >> >> >>> if rows then >>> .... >>> else >>> .... >>> end >>> >>> >>> -------------- >>> Miscellaneous: >>> -------------- >>> >>> -- escaping strings for use in db queries: >>> local escaped = db:escape(r, [[foo"bar'&|baz]]) >>> >>> >>> So, any comments, suggestions, remarks, objections and so on is very >>> much welcomed. If there are no big objections to implementing this >>> feature, I will consider it as lazy consensus and commit the bindings to >>> trunk sometime soon along with updated documentation. >>> >>> With regards, >>> Daniel. >>> >>> PS: I _have_ checked and double checked the code properly this time, so >>> it conforms to the style requirements and works with maintainer mode. I >>> know I usually get something wrong, but this time I think it's as close >>> to perfect as it can get :) (but then again, I always write something >>> bad, so apologies in advance if you find a bug) >>> >> >> >
