diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/sql.lua | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/util/sql.lua b/util/sql.lua index 453597da..816c5d24 100644 --- a/util/sql.lua +++ b/util/sql.lua @@ -25,34 +25,9 @@ function is_column(x) return getmetatable(x)==column_mt; end function is_index(x) return getmetatable(x)==index_mt; end function is_table(x) return getmetatable(x)==table_mt; end function is_query(x) return getmetatable(x)==query_mt; end ---function is_op(x) return getmetatable(x)==op_mt; end ---function expr(...) return setmetatable({...}, op_mt); end function Integer(n) return "Integer()" end function String(n) return "String()" end ---[[local ops = { - __add = function(a, b) return "("..a.."+"..b..")" end; - __sub = function(a, b) return "("..a.."-"..b..")" end; - __mul = function(a, b) return "("..a.."*"..b..")" end; - __div = function(a, b) return "("..a.."/"..b..")" end; - __mod = function(a, b) return "("..a.."%"..b..")" end; - __pow = function(a, b) return "POW("..a..","..b..")" end; - __unm = function(a) return "NOT("..a..")" end; - __len = function(a) return "COUNT("..a..")" end; - __eq = function(a, b) return "("..a.."=="..b..")" end; - __lt = function(a, b) return "("..a.."<"..b..")" end; - __le = function(a, b) return "("..a.."<="..b..")" end; -}; - -local functions = { - -}; - -local cmap = { - [Integer] = Integer(); - [String] = String(); -};]] - function Column(definition) return setmetatable(definition, column_mt); end @@ -94,7 +69,6 @@ function index_mt:__tostring() return s..' }'; -- return 'Index{ name="'..self.name..'", type="'..self.type..'" }' end --- local function urldecode(s) return s and (s:gsub("%%(%x%x)", function (c) return s_char(tonumber(c,16)); end)); end local function parse_url(url) @@ -121,26 +95,6 @@ local function parse_url(url) }; end ---[[local session = {}; - -function session.query(...) - local rets = {...}; - local query = setmetatable({ __rets = rets, __filters }, query_mt); - return query; -end --- - -local function db2uri(params) - return build_url{ - scheme = params.driver, - user = params.username, - password = params.password, - host = params.host, - port = params.port, - path = params.database, - }; -end]] - local engine = {}; function engine:connect() if self.conn then return true; end @@ -339,45 +293,4 @@ function create_engine(self, params) return engine_cache[url]; end - ---[[Users = Table { - name="users"; - Column { name="user_id", type=String(), primary_key=true }; -}; -print(Users) -print(Users.c.user_id)]] - ---local engine = create_engine('postgresql://scott:tiger@localhost:5432/mydatabase'); ---[[local engine = create_engine{ driver = "SQLite3", database = "./alchemy.sqlite" }; - -local i = 0; -for row in assert(engine:execute("select * from sqlite_master")):rows(true) do - i = i+1; - print(i); - for k,v in pairs(row) do - print("",k,v); - end -end -print("---") - -Prosody = Table { - name="prosody"; - Column { name="host", type="TEXT", nullable=false }; - Column { name="user", type="TEXT", nullable=false }; - Column { name="store", type="TEXT", nullable=false }; - Column { name="key", type="TEXT", nullable=false }; - Column { name="type", type="TEXT", nullable=false }; - Column { name="value", type="TEXT", nullable=false }; - Index { name="prosody_index", "host", "user", "store", "key" }; -}; ---print(Prosody); -assert(engine:transaction(function() - assert(Prosody:create(engine)); -end)); - -for row in assert(engine:execute("select user from prosody")):rows(true) do - print("username:", row['username']) -end ---result.close();]] - return _M; |