diff options
Diffstat (limited to 'util')
-rw-r--r-- | util/sqlite3.lua | 61 |
1 files changed, 27 insertions, 34 deletions
diff --git a/util/sqlite3.lua b/util/sqlite3.lua index 82e093c7..0f9b97d1 100644 --- a/util/sqlite3.lua +++ b/util/sqlite3.lua @@ -9,6 +9,7 @@ local type = type local t_concat = table.concat; local t_insert = table.insert; local s_char = string.char; +local array = require "prosody.util.array"; local log = require "prosody.util.logger".init("sql"); local lsqlite3 = require "lsqlite3"; @@ -194,13 +195,6 @@ function engine:execute(sql, ...) return stmt; end -local result_mt = { - __index = { - affected = function(self) return self.__affected; end; - rowcount = function(self) return self.__rowcount; end; - }, -}; - local function iterator(table) local i = 0; return function() @@ -212,6 +206,23 @@ local function iterator(table) end end +local result_mt = { + __len = function(self) + return self.__rowcount; + end; + __index = { + affected = function(self) + return self.__affected; + end; + rowcount = function(self) + return self.__rowcount; + end; + }; + __call = function(self) + return iterator(self.__data); + end; +}; + local function debugquery(where, sql, ...) local i = 0; local a = {...} sql = sql:gsub("\n?\t+", " "); @@ -225,7 +236,7 @@ local function debugquery(where, sql, ...) end))); end -function engine:execute_query(sql, ...) +function engine:execute_update(sql, ...) local prepared = self.prepared; local stmt = prepared[sql]; if stmt and stmt:isopen() then @@ -235,38 +246,20 @@ function engine:execute_query(sql, ...) end local ret = stmt:bind_values(...); if ret ~= lsqlite3.OK then error(self.conn:errmsg()); end - local data, ret = {} - while stmt:step() == ROW do - t_insert(data, stmt:get_values()); + local data = array(); + for row in stmt:rows() do + data:push(array(row)); end -- FIXME Error handling, BUSY, ERROR, MISUSE if stmt:reset() == lsqlite3.OK then prepared[sql] = stmt; end - return setmetatable({ __data = data }, { __index = result_mt.__index, __call = iterator(data) }); -end -function engine:execute_update(sql, ...) - local prepared = self.prepared; - local stmt = prepared[sql]; - if not stmt or not stmt:isopen() then - stmt = assert(self.conn:prepare(sql)); - else - prepared[sql] = nil; - end - local ret = stmt:bind_values(...); - if ret ~= lsqlite3.OK then error(self.conn:errmsg()); end - local rowcount = 0; - repeat - ret = stmt:step(); - if ret == lsqlite3.ROW then - rowcount = rowcount + 1; - end - until ret ~= lsqlite3.ROW; local affected = self.conn:changes(); - if stmt:reset() == lsqlite3.OK then - prepared[sql] = stmt; - end - return setmetatable({ __affected = affected, __rowcount = rowcount }, result_mt); + return setmetatable({ __affected = affected; __rowcount = #data; __data = data }, result_mt); +end + +function engine:execute_query(sql, ...) + return self:execute_update(sql, ...)() end engine.insert = engine.execute_update; |