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mod_storage_sql: Add LIMIT clause to queries where only a single row is expected

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Kim Alvefur 2016-03-13 17:42:22 +01:00
parent b65ec4aebe
commit 9df91659b9
1 changed files with 3 additions and 3 deletions
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6
plugins/mod_storage_sql.lua
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@ -134,11 +134,11 @@ map_store.remove = {};
function map_store:get(username, key)
local ok, result = engine:transaction(function()
if type(key) == "string" and key ~= "" then
for row in engine:select("SELECT `type`, `value` FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=?", host, username or "", self.store, key) do
for row in engine:select("SELECT `type`, `value` FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=? LIMIT 1", host, username or "", self.store, key) do
return deserialize(row[1], row[2]);
end
else
for row in engine:select("SELECT `type`, `value` FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=?", host, username or "", self.store, "") do
for row in engine:select("SELECT `type`, `value` FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=? LIMIT 1", host, username or "", self.store, "") do
local data = deserialize(row[1], row[2]);
return data and data[key] or nil;
end
@ -163,7 +163,7 @@ function map_store:set_keys(username, keydatas)
end
else
local extradata = {};
for row in engine:select("SELECT `type`, `value` FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=?", host, username or "", self.store, "") do
for row in engine:select("SELECT `type`, `value` FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=? LIMIT 1", host, username or "", self.store, "") do
extradata = deserialize(row[1], row[2]);
break;
end