Chapril/xmpp.chapril.org-ejabberd
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Try forcing usage of cache for all MySQL sessions, and add correct timeout on odbc driver query. (thanks to Mickael Remond)

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This commit is contained in:
Christophe Romain 2010-07-13 22:08:16 +02:00
parent e64d69350f
commit 02b7ba50fe
1 changed files with 14 additions and 3 deletions
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17
src/odbc/ejabberd_odbc.erl
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@ -39,7 +39,8 @@
sql_bloc/2,
escape/1,
escape_like/1,
keep_alive/1]).
keep_alive/1,
sql_query_on_all_connections/2]).
%% gen_fsm callbacks
-export([init/1,
@ -97,6 +98,13 @@ start_link(Host, StartInterval) ->
sql_query(Host, Query) ->
sql_call(Host, {sql_query, Query}).
%% Issue an SQL query on all the connections
sql_query_on_all_connections(Host, Query) ->
F = fun(Pid) -> ?GEN_FSM:sync_send_event(Pid, {sql_cmd,
{sql_query, Query},
erlang:now()}, ?TRANSACTION_TIMEOUT) end,
lists:map(F, ejabberd_odbc_sup:get_pids(Host)).
%% SQL transaction based on a list of queries
%% This function automatically
sql_transaction(Host, Queries) when is_list(Queries) ->
@ -422,13 +430,15 @@ sql_query_internal(Query) ->
State = get(?STATE_KEY),
Res = case State#state.db_type of
odbc ->
odbc:sql_query(State#state.db_ref, Query);
odbc:sql_query(State#state.db_ref, Query, ?TRANSACTION_TIMEOUT - 1000);
pgsql ->
%% TODO: We need to propagate the TRANSACTION_TIMEOUT to pgsql driver, but no yet supported in driver.
%% See EJAB-1266
pgsql_to_odbc(pgsql:squery(State#state.db_ref, Query));
mysql ->
?DEBUG("MySQL, Send query~n~p~n", [Query]),
R = mysql_to_odbc(mysql_conn:fetch(State#state.db_ref,
Query, self())),
Query, self(), ?TRANSACTION_TIMEOUT - 1000)),
%% ?INFO_MSG("MySQL, Received result~n~p~n", [R]),
R
end,
@ -502,6 +512,7 @@ mysql_connect(Server, Port, DB, Username, Password) ->
case mysql_conn:start(Server, Port, Username, Password, DB, fun log/3) of
{ok, Ref} ->
mysql_conn:fetch(Ref, ["set names 'utf8';"], self()),
mysql_conn:fetch(Ref, ["SET SESSION query_cache_type=1;"], self()),
{ok, Ref};
Err ->
Err