diff options
Diffstat (limited to 'tools/migration')
| -rw-r--r-- | tools/migration/migrator/prosody_sql.lua | 103 |
1 files changed, 30 insertions, 73 deletions
diff --git a/tools/migration/migrator/prosody_sql.lua b/tools/migration/migrator/prosody_sql.lua index 0041ca9e..eb203a71 100644 --- a/tools/migration/migrator/prosody_sql.lua +++ b/tools/migration/migrator/prosody_sql.lua @@ -1,6 +1,6 @@ local assert = assert; -local have_DBI, DBI = pcall(require,"DBI"); +local have_DBI = pcall(require,"DBI"); local print = print; local type = type; local next = next; @@ -15,50 +15,25 @@ if not have_DBI then error("LuaDBI (required for SQL support) was not found, please see http://prosody.im/doc/depends#luadbi", 0); end +local sql = require "util.sql"; -local function create_table(connection, params) - 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"); - end +local function create_table(engine, name) -- luacheck: ignore 431/engine + local Table, Column, Index = sql.Table, sql.Column, sql.Index; + + local ProsodyTable = Table { + name= name or "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="MEDIUMTEXT", nullable=false }; + Index { name="prosody_index", "host", "user", "store", "key" }; + }; + engine:transaction(function() + ProsodyTable:create(engine); + end); - local stmt = connection:prepare(create_sql); - if stmt then - local ok = stmt:execute(); - local commit_ok = connection:commit(); - if ok and commit_ok then - 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 stmt, err = connection:prepare(index_sql); - local ok, commit_ok, commit_err; - if stmt then - ok, err = assert(stmt:execute()); - commit_ok, commit_err = assert(connection:commit()); - end - elseif params.driver == "MySQL" then -- COMPAT: Upgrade tables from 0.8.0 - -- Failed to create, but check existing MySQL table here - local stmt = connection:prepare("SHOW COLUMNS FROM prosody WHERE Field='value' and Type='text'"); - local ok = stmt:execute(); - local commit_ok = connection:commit(); - if ok and commit_ok then - if stmt:rowcount() > 0 then - local stmt = connection:prepare("ALTER TABLE prosody MODIFY COLUMN `value` MEDIUMTEXT"); - local ok = stmt:execute(); - local commit_ok = connection:commit(); - if ok and commit_ok then - print("Database table automatically upgraded"); - end - end - repeat until not stmt:fetch(); - end - end - end end local function serialize(value) @@ -110,23 +85,16 @@ local function decode_user(item) end local function reader(input) - local dbh = assert(DBI.Connect( - assert(input.driver, "no input.driver specified"), - assert(input.database, "no input.database specified"), - input.username, input.password, - input.host, input.port - )); - assert(dbh:ping()); - local stmt = assert(dbh:prepare("SELECT * FROM prosody")); - assert(stmt:execute()); + local engine = assert(sql:create_engine(input); local keys = {"host", "user", "store", "key", "type", "value"}; - local f,s,val = stmt:rows(true); + assert(engine:connect()); + local f,s,val = assert(engine:select("SELECT `host`, `user`, `store`, `key`, `type`, `value` FROM `prosody`;")); -- get SQL rows, sorted local iter = mtools.sorted { reader = function() val = f(s, val); return val; end; filter = function(x) for i=1,#keys do - if not x[keys[i]] then return false; end -- TODO log error, missing field + x[ keys[i] ] = x[i]; end if x.host == "" then x.host = nil; end if x.user == "" then x.user = nil; end @@ -154,26 +122,15 @@ local function reader(input) end local function writer(output, iter) - local dbh = assert(DBI.Connect( - assert(output.driver, "no output.driver specified"), - assert(output.database, "no output.database specified"), - output.username, output.password, - output.host, output.port - )); - assert(dbh:ping()); - create_table(dbh, output); - local stmt = assert(dbh:prepare("SELECT * FROM prosody")); - assert(stmt:execute()); - local stmt = assert(dbh:prepare("DELETE FROM prosody")); - assert(stmt:execute()); + local engine = assert(sql:create_engine(output, function (engine) -- luacheck: ignore 431/engine + create_table(engine); + end)); + assert(engine:connect()); + assert(engine:delete("DELETE FROM prosody")); local insert_sql = "INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)"; - if output.driver == "PostgreSQL" then - insert_sql = insert_sql:gsub("`", "\""); - end - local insert = assert(dbh:prepare(insert_sql)); return function(item) - if not item then assert(dbh:commit()) return dbh:close(); end -- end of input + if not item then return end -- end of input local host = item.host or ""; local user = item.user or ""; for store, data in pairs(item.stores) do @@ -182,14 +139,14 @@ local function writer(output, iter) for key, value in pairs(data) do if type(key) == "string" and key ~= "" then local t, value = assert(serialize(value)); - local ok, err = assert(insert:execute(host, user, store, key, t, value)); + local ok, err = assert(engine:insert(insert_sql, host, user, store, key, t, value)); else extradata[key] = value; end end if next(extradata) ~= nil then local t, extradata = assert(serialize(extradata)); - local ok, err = assert(insert:execute(host, user, store, "", t, extradata)); + local ok, err = assert(engine:insert(insert_sql, host, user, store, "", t, extradata)); end end end; |