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util/sql.lua @ 6761:b20efae224c9

mod_storage_sql2: Upgrade table if its charset does not match our connection's charset (thanks Zash)

author	Matthew Wild <mwild1@gmail.com>
date	Wed, 08 Jul 2015 15:07:23 +0100
parent	6760:e45a58c72609
child	6762:ea43a5af31ca

rev	line source
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	1
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	2 local setmetatable, getmetatable = setmetatable, getmetatable;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	3 local ipairs, unpack, select = ipairs, unpack, select;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	4 local tonumber, tostring = tonumber, tostring;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	5 local assert, xpcall, debug_traceback = assert, xpcall, debug.traceback;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	6 local t_concat = table.concat;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	7 local s_char = string.char;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	8 local log = require "util.logger".init("sql");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	9
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	10 local DBI = require "DBI";
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	11 -- This loads all available drivers while globals are unlocked
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	12 -- LuaDBI should be fixed to not set globals.
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	13 DBI.Drivers();
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	14 local build_url = require "socket.url".build;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	15
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	16 module("sql")
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	17
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	18 local column_mt = {};
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	19 local table_mt = {};
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	20 local query_mt = {};
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	21 --local op_mt = {};
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	22 local index_mt = {};
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	23
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	24 function is_column(x) return getmetatable(x)==column_mt; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	25 function is_index(x) return getmetatable(x)==index_mt; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	26 function is_table(x) return getmetatable(x)==table_mt; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	27 function is_query(x) return getmetatable(x)==query_mt; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	28 function Integer(n) return "Integer()" end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	29 function String(n) return "String()" end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	30
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	31 function Column(definition)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	32 return setmetatable(definition, column_mt);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	33 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	34 function Table(definition)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	35 local c = {}
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	36 for i,col in ipairs(definition) do
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	37 if is_column(col) then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	38 c[i], c[col.name] = col, col;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	39 elseif is_index(col) then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	40 col.table = definition.name;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	41 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	42 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	43 return setmetatable({ __table__ = definition, c = c, name = definition.name }, table_mt);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	44 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	45 function Index(definition)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	46 return setmetatable(definition, index_mt);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	47 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	48
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	49 function table_mt:__tostring()
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	50 local s = { 'name="'..self.__table__.name..'"' }
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	51 for i,col in ipairs(self.__table__) do
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	52 s[#s+1] = tostring(col);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	53 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	54 return 'Table{ '..t_concat(s, ", ")..' }'
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	55 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	56 table_mt.__index = {};
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	57 function table_mt.__index:create(engine)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	58 return engine:_create_table(self);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	59 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	60 function table_mt:__call(...)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	61 -- TODO
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	62 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	63 function column_mt:__tostring()
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	64 return 'Column{ name="'..self.name..'", type="'..self.type..'" }'
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	65 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	66 function index_mt:__tostring()
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	67 local s = 'Index{ name="'..self.name..'"';
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	68 for i=1,#self do s = s..', "'..self[i]:gsub("[\\\"]", "\\%1")..'"'; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	69 return s..' }';
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	70 -- return 'Index{ name="'..self.name..'", type="'..self.type..'" }'
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	71 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	72
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	73 local function urldecode(s) return s and (s:gsub("%%(%x%x)", function (c) return s_char(tonumber(c,16)); end)); end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	74 local function parse_url(url)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	75 local scheme, secondpart, database = url:match("^([%w%+]+)://([^/])/?(.)");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	76 assert(scheme, "Invalid URL format");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	77 local username, password, host, port;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	78 local authpart, hostpart = secondpart:match("([^@]+)@([^@+])");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	79 if not authpart then hostpart = secondpart; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	80 if authpart then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	81 username, password = authpart:match("([^:]):(.)");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	82 username = username or authpart;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	83 password = password and urldecode(password);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	84 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	85 if hostpart then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	86 host, port = hostpart:match("([^:]):(.)");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	87 host = host or hostpart;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	88 port = port and assert(tonumber(port), "Invalid URL format");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	89 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	90 return {
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	91 scheme = scheme:lower();
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	92 username = username; password = password;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	93 host = host; port = port;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	94 database = #database > 0 and database or nil;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	95 };
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	96 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	97
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	98 local engine = {};
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	99 function engine:connect()
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	100 if self.conn then return true; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	101
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	102 local params = self.params;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	103 assert(params.driver, "no driver")
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	104 local dbh, err = DBI.Connect(
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	105 params.driver, params.database,
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	106 params.username, params.password,
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	107 params.host, params.port
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	108 );
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	109 if not dbh then return nil, err; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	110 dbh:autocommit(false); -- don't commit automatically
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	111 self.conn = dbh;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	112 self.prepared = {};
6532 a966efeb6cb3 mod_storage_sql2, util.sql: Set character encoding on every connect Kim Alvefur <zash@zash.se> parents: 5919 diff changeset	113 self:set_encoding();
6758 88b89facc3c9 util.sql: Allow onconnect callback to fail connection to the DB by returning false, err Matthew Wild <mwild1@gmail.com> parents: 6748 diff changeset	114 local ok, err = self:onconnect();
88b89facc3c9 util.sql: Allow onconnect callback to fail connection to the DB by returning false, err Matthew Wild <mwild1@gmail.com> parents: 6748 diff changeset	115 if ok == false then
88b89facc3c9 util.sql: Allow onconnect callback to fail connection to the DB by returning false, err Matthew Wild <mwild1@gmail.com> parents: 6748 diff changeset	116 return ok, err;
88b89facc3c9 util.sql: Allow onconnect callback to fail connection to the DB by returning false, err Matthew Wild <mwild1@gmail.com> parents: 6748 diff changeset	117 end
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	118 return true;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	119 end
6748 ccf4fcfc2024 util.sql: Call onconnect, provide noop dummy if not set Kim Alvefur <zash@zash.se> parents: 6735 diff changeset	120 function engine:onconnect()
ccf4fcfc2024 util.sql: Call onconnect, provide noop dummy if not set Kim Alvefur <zash@zash.se> parents: 6735 diff changeset	121 -- Override from create_engine()
ccf4fcfc2024 util.sql: Call onconnect, provide noop dummy if not set Kim Alvefur <zash@zash.se> parents: 6735 diff changeset	122 end
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	123 function engine:execute(sql, ...)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	124 local success, err = self:connect();
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	125 if not success then return success, err; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	126 local prepared = self.prepared;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	127
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	128 local stmt = prepared[sql];
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	129 if not stmt then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	130 local err;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	131 stmt, err = self.conn:prepare(sql);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	132 if not stmt then return stmt, err; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	133 prepared[sql] = stmt;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	134 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	135
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	136 local success, err = stmt:execute(...);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	137 if not success then return success, err; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	138 return stmt;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	139 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	140
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	141 local result_mt = { __index = {
5744 253dfea0e3f6 util.sql: Do lazy fetching of affected/rowcount Kim Alvefur <zash@zash.se> parents: 5743 diff changeset	142 affected = function(self) return self.__stmt:affected(); end;
253dfea0e3f6 util.sql: Do lazy fetching of affected/rowcount Kim Alvefur <zash@zash.se> parents: 5743 diff changeset	143 rowcount = function(self) return self.__stmt:rowcount(); end;
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	144 } };
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	145
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	146 function engine:execute_query(sql, ...)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	147 if self.params.driver == "PostgreSQL" then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	148 sql = sql:gsub("`", "\"");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	149 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	150 local stmt = assert(self.conn:prepare(sql));
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	151 assert(stmt:execute(...));
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	152 return stmt:rows();
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	153 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	154 function engine:execute_update(sql, ...)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	155 if self.params.driver == "PostgreSQL" then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	156 sql = sql:gsub("`", "\"");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	157 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	158 local prepared = self.prepared;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	159 local stmt = prepared[sql];
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	160 if not stmt then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	161 stmt = assert(self.conn:prepare(sql));
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	162 prepared[sql] = stmt;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	163 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	164 assert(stmt:execute(...));
5744 253dfea0e3f6 util.sql: Do lazy fetching of affected/rowcount Kim Alvefur <zash@zash.se> parents: 5743 diff changeset	165 return setmetatable({ __stmt = stmt }, result_mt);
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	166 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	167 engine.insert = engine.execute_update;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	168 engine.select = engine.execute_query;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	169 engine.delete = engine.execute_update;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	170 engine.update = engine.execute_update;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	171 function engine:_transaction(func, ...)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	172 if not self.conn then
6733 36e2b35397b1 util.sql: Rename some variable to match conventions Matthew Wild <mwild1@gmail.com> parents: 6730 diff changeset	173 local ok, err = self:connect();
36e2b35397b1 util.sql: Rename some variable to match conventions Matthew Wild <mwild1@gmail.com> parents: 6730 diff changeset	174 if not ok then return ok, err; end
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	175 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	176 --assert(not self.__transaction, "Recursive transactions not allowed");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	177 local args, n_args = {...}, select("#", ...);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	178 local function f() return func(unpack(args, 1, n_args)); end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	179 self.__transaction = true;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	180 local success, a, b, c = xpcall(f, debug_traceback);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	181 self.__transaction = nil;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	182 if success then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	183 log("debug", "SQL transaction success [%s]", tostring(func));
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	184 local ok, err = self.conn:commit();
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	185 if not ok then return ok, err; end -- commit failed
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	186 return success, a, b, c;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	187 else
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	188 log("debug", "SQL transaction failure [%s]: %s", tostring(func), a);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	189 if self.conn then self.conn:rollback(); end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	190 return success, a;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	191 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	192 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	193 function engine:transaction(...)
6733 36e2b35397b1 util.sql: Rename some variable to match conventions Matthew Wild <mwild1@gmail.com> parents: 6730 diff changeset	194 local ok, ret = self:_transaction(...);
36e2b35397b1 util.sql: Rename some variable to match conventions Matthew Wild <mwild1@gmail.com> parents: 6730 diff changeset	195 if not ok then
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	196 local conn = self.conn;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	197 if not conn or not conn:ping() then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	198 self.conn = nil;
6733 36e2b35397b1 util.sql: Rename some variable to match conventions Matthew Wild <mwild1@gmail.com> parents: 6730 diff changeset	199 ok, ret = self:_transaction(...);
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	200 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	201 end
6733 36e2b35397b1 util.sql: Rename some variable to match conventions Matthew Wild <mwild1@gmail.com> parents: 6730 diff changeset	202 return ok, ret;
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	203 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	204 function engine:_create_index(index)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	205 local sql = "CREATE INDEX `"..index.name.."` ON `"..index.table.."` (";
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	206 for i=1,#index do
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	207 sql = sql.."`"..index[i].."`";
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	208 if i ~= #index then sql = sql..", "; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	209 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	210 sql = sql..");"
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	211 if self.params.driver == "PostgreSQL" then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	212 sql = sql:gsub("`", "\"");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	213 elseif self.params.driver == "MySQL" then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	214 sql = sql:gsub("`([,)])", "`(20)%1");
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	215 end
5885 cbc25ae1eea0 util.sql: Allow creating unique indices Kim Alvefur <zash@zash.se> parents: 5883 diff changeset	216 if index.unique then
cbc25ae1eea0 util.sql: Allow creating unique indices Kim Alvefur <zash@zash.se> parents: 5883 diff changeset	217 sql = sql:gsub("^CREATE", "CREATE UNIQUE");
cbc25ae1eea0 util.sql: Allow creating unique indices Kim Alvefur <zash@zash.se> parents: 5883 diff changeset	218 end
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	219 --print(sql);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	220 return self:execute(sql);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	221 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	222 function engine:_create_table(table)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	223 local sql = "CREATE TABLE `"..table.name.."` (";
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	224 for i,col in ipairs(table.c) do
5890 544ca3d94596 util.sql: Rewrite MEDIUMTEXT to TEXT for drivers other than MySQL Kim Alvefur <zash@zash.se> parents: 5889 diff changeset	225 local col_type = col.type;
544ca3d94596 util.sql: Rewrite MEDIUMTEXT to TEXT for drivers other than MySQL Kim Alvefur <zash@zash.se> parents: 5889 diff changeset	226 if col_type == "MEDIUMTEXT" and self.params.driver ~= "MySQL" then
544ca3d94596 util.sql: Rewrite MEDIUMTEXT to TEXT for drivers other than MySQL Kim Alvefur <zash@zash.se> parents: 5889 diff changeset	227 col_type = "TEXT"; -- MEDIUMTEXT is MySQL-specific
544ca3d94596 util.sql: Rewrite MEDIUMTEXT to TEXT for drivers other than MySQL Kim Alvefur <zash@zash.se> parents: 5889 diff changeset	228 end
5912 f6145e894569 util.sql: Rewrite auto increment columns to SERIAL for PostgreSQL Kim Alvefur <zash@zash.se> parents: 5910 diff changeset	229 if col.auto_increment == true and self.params.driver == "PostgreSQL" then
f6145e894569 util.sql: Rewrite auto increment columns to SERIAL for PostgreSQL Kim Alvefur <zash@zash.se> parents: 5910 diff changeset	230 col_type = "BIGSERIAL";
f6145e894569 util.sql: Rewrite auto increment columns to SERIAL for PostgreSQL Kim Alvefur <zash@zash.se> parents: 5910 diff changeset	231 end
5890 544ca3d94596 util.sql: Rewrite MEDIUMTEXT to TEXT for drivers other than MySQL Kim Alvefur <zash@zash.se> parents: 5889 diff changeset	232 sql = sql.."`"..col.name.."` "..col_type;
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	233 if col.nullable == false then sql = sql.." NOT NULL"; end
5886 1237f9cc3123 util.sql: Allow columns to be marked the primary key Kim Alvefur <zash@zash.se> parents: 5885 diff changeset	234 if col.primary_key == true then sql = sql.." PRIMARY KEY"; end
5887 1f860279b2f8 util.sql: Support incrementing columns Kim Alvefur <zash@zash.se> parents: 5886 diff changeset	235 if col.auto_increment == true then
5912 f6145e894569 util.sql: Rewrite auto increment columns to SERIAL for PostgreSQL Kim Alvefur <zash@zash.se> parents: 5910 diff changeset	236 if self.params.driver == "MySQL" then
5887 1f860279b2f8 util.sql: Support incrementing columns Kim Alvefur <zash@zash.se> parents: 5886 diff changeset	237 sql = sql.." AUTO_INCREMENT";
1f860279b2f8 util.sql: Support incrementing columns Kim Alvefur <zash@zash.se> parents: 5886 diff changeset	238 elseif self.params.driver == "SQLite3" then
1f860279b2f8 util.sql: Support incrementing columns Kim Alvefur <zash@zash.se> parents: 5886 diff changeset	239 sql = sql.." AUTOINCREMENT";
1f860279b2f8 util.sql: Support incrementing columns Kim Alvefur <zash@zash.se> parents: 5886 diff changeset	240 end
1f860279b2f8 util.sql: Support incrementing columns Kim Alvefur <zash@zash.se> parents: 5886 diff changeset	241 end
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	242 if i ~= #table.c then sql = sql..", "; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	243 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	244 sql = sql.. ");"
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	245 if self.params.driver == "PostgreSQL" then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	246 sql = sql:gsub("`", "\"");
5739 2e9ad9cb206f util.sql: Set charset and collation for MySQL when creating tables Kim Alvefur <zash@zash.se> parents: 5494 diff changeset	247 elseif self.params.driver == "MySQL" then
6759 fb952032f83e util.sql: Create table with same charset as the charset we selected for our connection, also use corresponding _bin collation Matthew Wild <mwild1@gmail.com> parents: 6758 diff changeset	248 sql = sql:gsub(";$", (" CHARACTER SET '%s' COLLATE '%s_bin';"):format(self.charset, self.charset));
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	249 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	250 local success,err = self:execute(sql);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	251 if not success then return success,err; end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	252 for i,v in ipairs(table.__table__) do
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	253 if is_index(v) then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	254 self:_create_index(v);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	255 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	256 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	257 return success;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	258 end
5883 39b187e7e892 mod_storage_sql2, util.sql: Move code for setting encoding to util.sql Kim Alvefur <zash@zash.se> parents: 5776 diff changeset	259 function engine:set_encoding() -- to UTF-8
5888 f3e408ae59a6 util.sql: Find out if MySQL supports utf8mb4 and use that Kim Alvefur <zash@zash.se> parents: 5887 diff changeset	260 local driver = self.params.driver;
5889 ea6a3adb6a69 util.sql: Check what encoding SQLite3 uses Kim Alvefur <zash@zash.se> parents: 5888 diff changeset	261 if driver == "SQLite3" then
ea6a3adb6a69 util.sql: Check what encoding SQLite3 uses Kim Alvefur <zash@zash.se> parents: 5888 diff changeset	262 return self:transaction(function()
ea6a3adb6a69 util.sql: Check what encoding SQLite3 uses Kim Alvefur <zash@zash.se> parents: 5888 diff changeset	263 if self:select"PRAGMA encoding;"()[1] == "UTF-8" then
ea6a3adb6a69 util.sql: Check what encoding SQLite3 uses Kim Alvefur <zash@zash.se> parents: 5888 diff changeset	264 self.charset = "utf8";
ea6a3adb6a69 util.sql: Check what encoding SQLite3 uses Kim Alvefur <zash@zash.se> parents: 5888 diff changeset	265 end
ea6a3adb6a69 util.sql: Check what encoding SQLite3 uses Kim Alvefur <zash@zash.se> parents: 5888 diff changeset	266 end);
ea6a3adb6a69 util.sql: Check what encoding SQLite3 uses Kim Alvefur <zash@zash.se> parents: 5888 diff changeset	267 end
5888 f3e408ae59a6 util.sql: Find out if MySQL supports utf8mb4 and use that Kim Alvefur <zash@zash.se> parents: 5887 diff changeset	268 local set_names_query = "SET NAMES '%s';"
f3e408ae59a6 util.sql: Find out if MySQL supports utf8mb4 and use that Kim Alvefur <zash@zash.se> parents: 5887 diff changeset	269 local charset = "utf8";
f3e408ae59a6 util.sql: Find out if MySQL supports utf8mb4 and use that Kim Alvefur <zash@zash.se> parents: 5887 diff changeset	270 if driver == "MySQL" then
f3e408ae59a6 util.sql: Find out if MySQL supports utf8mb4 and use that Kim Alvefur <zash@zash.se> parents: 5887 diff changeset	271 local ok, charsets = self:transaction(function()
5919 d1cc67ed0767 util.sql: Fix previous commit Kim Alvefur <zash@zash.se> parents: 5918 diff changeset	272 return self:select"SELECT `CHARACTER_SET_NAME` FROM `information_schema`.`CHARACTER_SETS` WHERE `CHARACTER_SET_NAME` LIKE 'utf8%' ORDER BY MAXLEN DESC LIMIT 1;";
5888 f3e408ae59a6 util.sql: Find out if MySQL supports utf8mb4 and use that Kim Alvefur <zash@zash.se> parents: 5887 diff changeset	273 end);
f3e408ae59a6 util.sql: Find out if MySQL supports utf8mb4 and use that Kim Alvefur <zash@zash.se> parents: 5887 diff changeset	274 local row = ok and charsets();
f3e408ae59a6 util.sql: Find out if MySQL supports utf8mb4 and use that Kim Alvefur <zash@zash.se> parents: 5887 diff changeset	275 charset = row and row[1] or charset;
6760 e45a58c72609 util.sql: Use appropriate collation for the chosen character set - fixes MySQL silently ignoring our SET NAMES command when we use utf8mb4 Matthew Wild <mwild1@gmail.com> parents: 6759 diff changeset	276 set_names_query = set_names_query:gsub(";$", (" COLLATE '%s';"):format(charset.."_bin"));
5883 39b187e7e892 mod_storage_sql2, util.sql: Move code for setting encoding to util.sql Kim Alvefur <zash@zash.se> parents: 5776 diff changeset	277 end
5888 f3e408ae59a6 util.sql: Find out if MySQL supports utf8mb4 and use that Kim Alvefur <zash@zash.se> parents: 5887 diff changeset	278 self.charset = charset;
5910 a19b3646d5f0 util.sql: Fix to call execute on 'self' rather than 'engine' (thanks eisensheng) Matthew Wild <mwild1@gmail.com> parents: 5890 diff changeset	279 return self:transaction(function() return self:execute(set_names_query:format(charset)); end);
5883 39b187e7e892 mod_storage_sql2, util.sql: Move code for setting encoding to util.sql Kim Alvefur <zash@zash.se> parents: 5776 diff changeset	280 end
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	281 local engine_mt = { __index = engine };
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	282
6734 592f6112563e util.sql: Expose db2uri helper function Matthew Wild <mwild1@gmail.com> parents: 6733 diff changeset	283 function db2uri(params)
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	284 return build_url{
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	285 scheme = params.driver,
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	286 user = params.username,
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	287 password = params.password,
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	288 host = params.host,
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	289 port = params.port,
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	290 path = params.database,
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	291 };
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	292 end
6735 b553a30620b2 util.sql: Remove built-in engine caching. This is the wrong layer to do this, and unintentionally sharing connections could cause problems (e.g. when interleaving multiple queries and result fetching) Matthew Wild <mwild1@gmail.com> parents: 6734 diff changeset	293
b553a30620b2 util.sql: Remove built-in engine caching. This is the wrong layer to do this, and unintentionally sharing connections could cause problems (e.g. when interleaving multiple queries and result fetching) Matthew Wild <mwild1@gmail.com> parents: 6734 diff changeset	294 function create_engine(self, params, onconnect)
b553a30620b2 util.sql: Remove built-in engine caching. This is the wrong layer to do this, and unintentionally sharing connections could cause problems (e.g. when interleaving multiple queries and result fetching) Matthew Wild <mwild1@gmail.com> parents: 6734 diff changeset	295 return setmetatable({ url = db2uri(params), params = params, onconnect = onconnect }, engine_mt);
5494 9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	296 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	297
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress Matthew Wild <mwild1@gmail.com> parents: diff changeset	298 return _M;

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