From 26511c10d4f4734c7a121be1bd43ca20b16fbf76 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Thu, 11 Jul 2013 15:08:47 +0100 Subject: mod_storage_sql2: Remove from 0.9 --- plugins/mod_storage_sql2.lua | 237 ------------------------------------------- 1 file changed, 237 deletions(-) delete mode 100644 plugins/mod_storage_sql2.lua (limited to 'plugins/mod_storage_sql2.lua') diff --git a/plugins/mod_storage_sql2.lua b/plugins/mod_storage_sql2.lua deleted file mode 100644 index 382c0e23..00000000 --- a/plugins/mod_storage_sql2.lua +++ /dev/null @@ -1,237 +0,0 @@ - -local json = require "util.json"; -local resolve_relative_path = require "core.configmanager".resolve_relative_path; - -local mod_sql = module:require("sql"); -local params = module:get_option("sql"); - -local engine; -- TODO create engine - -local function create_table() - --[[local Table,Column,Index = mod_sql.Table,mod_sql.Column,mod_sql.Index; - local ProsodyTable = 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" }; - }; - engine:transaction(function() - ProsodyTable:create(engine); - end);]] - if not module:get_option("sql_manage_tables", true) then - return; - end - - local create_sql = "CREATE TABLE `prosody` (`host` TEXT, `user` TEXT, `store` TEXT, `key` TEXT, `type` TEXT, `value` TEXT);"; - if params.driver == "PostgreSQL" then - create_sql = create_sql:gsub("`", "\""); - elseif params.driver == "MySQL" then - create_sql = create_sql:gsub("`value` TEXT", "`value` MEDIUMTEXT") - :gsub(";$", " CHARACTER SET 'utf8' COLLATE 'utf8_bin';"); - end - - local index_sql = "CREATE INDEX `prosody_index` ON `prosody` (`host`, `user`, `store`, `key`)"; - if params.driver == "PostgreSQL" then - index_sql = index_sql:gsub("`", "\""); - elseif params.driver == "MySQL" then - index_sql = index_sql:gsub("`([,)])", "`(20)%1"); - end - - local success,err = engine:transaction(function() - engine:execute(create_sql); - engine:execute(index_sql); - end); - if not success then -- so we failed to create - if params.driver == "MySQL" then - success,err = engine:transaction(function() - local result = engine:execute("SHOW COLUMNS FROM prosody WHERE Field='value' and Type='text'"); - if result:rowcount() > 0 then - module:log("info", "Upgrading database schema..."); - engine:execute("ALTER TABLE prosody MODIFY COLUMN `value` MEDIUMTEXT"); - module:log("info", "Database table automatically upgraded"); - end - return true; - end); - if not success then - module:log("error", "Failed to check/upgrade database schema (%s), please see " - .."http://prosody.im/doc/mysql for help", - err or "unknown error"); - end - end - end -end -local function set_encoding() - if params.driver ~= "SQLite3" then - local set_names_query = "SET NAMES 'utf8';"; - if params.driver == "MySQL" then - set_names_query = set_names_query:gsub(";$", " COLLATE 'utf8_bin';"); - end - local success,err = engine:transaction(function() return engine:execute(set_names_query); end); - if not success then - module:log("error", "Failed to set database connection encoding to UTF8: %s", err); - return; - end - if params.driver == "MySQL" then - -- COMPAT w/pre-0.9: Upgrade tables to UTF-8 if not already - local check_encoding_query = "SELECT `COLUMN_NAME`,`COLUMN_TYPE` FROM `information_schema`.`columns` WHERE `TABLE_NAME`='prosody' AND ( `CHARACTER_SET_NAME`!='utf8' OR `COLLATION_NAME`!='utf8_bin' );"; - local success,err = engine:transaction(function() - local result = engine:execute(check_encoding_query); - local n_bad_columns = result:rowcount(); - if n_bad_columns > 0 then - module:log("warn", "Found %d columns in prosody table requiring encoding change, updating now...", n_bad_columns); - local fix_column_query1 = "ALTER TABLE `prosody` CHANGE `%s` `%s` BLOB;"; - local fix_column_query2 = "ALTER TABLE `prosody` CHANGE `%s` `%s` %s CHARACTER SET 'utf8' COLLATE 'utf8_bin';"; - for row in result:rows() do - local column_name, column_type = unpack(row); - engine:execute(fix_column_query1:format(column_name, column_name)); - engine:execute(fix_column_query2:format(column_name, column_name, column_type)); - end - module:log("info", "Database encoding upgrade complete!"); - end - end); - local success,err = engine:transaction(function() return engine:execute(check_encoding_query); end); - if not success then - module:log("error", "Failed to check/upgrade database encoding: %s", err or "unknown error"); - end - end - end -end - -do -- process options to get a db connection - params = params or { driver = "SQLite3" }; - - if params.driver == "SQLite3" then - params.database = resolve_relative_path(prosody.paths.data or ".", params.database or "prosody.sqlite"); - end - - assert(params.driver and params.database, "Both the SQL driver and the database need to be specified"); - - --local dburi = db2uri(params); - engine = mod_sql:create_engine(params); - - -- Encoding mess - set_encoding(); - - -- Automatically create table, ignore failure (table probably already exists) - create_table(); -end - -local function serialize(value) - local t = type(value); - if t == "string" or t == "boolean" or t == "number" then - return t, tostring(value); - elseif t == "table" then - local value,err = json.encode(value); - if value then return "json", value; end - return nil, err; - end - return nil, "Unhandled value type: "..t; -end -local function deserialize(t, value) - if t == "string" then return value; - elseif t == "boolean" then - if value == "true" then return true; - elseif value == "false" then return false; end - elseif t == "number" then return tonumber(value); - elseif t == "json" then - return json.decode(value); - end -end - -local host = module.host; -local user, store; - -local function keyval_store_get() - local haveany; - local result = {}; - for row in engine:select("SELECT `key`,`type`,`value` FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=?", host, user, store) do - haveany = true; - local k = row[1]; - local v = deserialize(row[2], row[3]); - if k and v then - if k ~= "" then result[k] = v; elseif type(v) == "table" then - for a,b in pairs(v) do - result[a] = b; - end - end - end - end - if haveany then - return result; - end -end -local function keyval_store_set(data) - engine:delete("DELETE FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=?", host, user, store); - - if data and next(data) ~= nil then - local extradata = {}; - for key, value in pairs(data) do - if type(key) == "string" and key ~= "" then - local t, value = serialize(value); - assert(t, value); - engine:insert("INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)", host, user, store, key, t, value); - else - extradata[key] = value; - end - end - if next(extradata) ~= nil then - local t, extradata = serialize(extradata); - assert(t, extradata); - engine:insert("INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)", host, user, store, "", t, extradata); - end - end - return true; -end - -local keyval_store = {}; -keyval_store.__index = keyval_store; -function keyval_store:get(username) - user,store = username,self.store; - return select(2, engine:transaction(keyval_store_get)); -end -function keyval_store:set(username, data) - user,store = username,self.store; - return engine:transaction(function() - return keyval_store_set(data); - end); -end -function keyval_store:users() - return engine:transaction(function() - return engine:select("SELECT DISTINCT `user` FROM `prosody` WHERE `host`=? AND `store`=?", host, self.store); - end); -end - -local driver = {}; - -function driver:open(store, typ) - if not typ then -- default key-value store - return setmetatable({ store = store }, keyval_store); - end - return nil, "unsupported-store"; -end - -function driver:stores(username) - local sql = "SELECT DISTINCT `store` FROM `prosody` WHERE `host`=? AND `user`" .. - (username == true and "!=?" or "=?"); - if username == true or not username then - username = ""; - end - return engine:transaction(function() - return engine:select(sql, host, username); - end); -end - -function driver:purge(username) - return engine:transaction(function() - local stmt,err = engine:delete("DELETE FROM `prosody` WHERE `host`=? AND `user`=?", host, username); - return true,err; - end); -end - -module:provides("storage", driver); - - -- cgit v1.2.3