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-rw-r--r--plugins/mod_storage_sql2.lua89
1 files changed, 89 insertions, 0 deletions
diff --git a/plugins/mod_storage_sql2.lua b/plugins/mod_storage_sql2.lua
index 4f6f7f04..7560d1f1 100644
--- a/plugins/mod_storage_sql2.lua
+++ b/plugins/mod_storage_sql2.lua
@@ -1,12 +1,15 @@
local json = require "util.json";
local xml_parse = require "util.xml".parse;
+local uuid = require "util.uuid";
local resolve_relative_path = require "core.configmanager".resolve_relative_path;
local stanza_mt = require"util.stanza".stanza_mt;
local getmetatable = getmetatable;
+local t_concat = table.concat;
local function is_stanza(x) return getmetatable(x) == stanza_mt; end
+local noop = function() end
local unpack = unpack
local function iterator(result)
return function(result)
@@ -243,8 +246,94 @@ function keyval_store:users()
return iterator(result);
end
+local archive_store = {}
+archive_store.__index = archive_store
+function archive_store:append(username, when, with, value)
+ local user,store = username,self.store;
+ return engine:transaction(function()
+ local key = uuid.generate();
+ local t, value = serialize(value);
+ engine:insert("INSERT INTO `prosodyarchive` (`host`, `user`, `store`, `when`, `with`, `key`, `type`, `value`) VALUES (?,?,?,?,?,?,?,?)", host, user or "", store, when, with, key, t, value);
+ return key;
+ end);
+end
+function archive_store:find(username, query)
+ query = query or {};
+ local user,store = username,self.store;
+ local total;
+ local ok, result = engine:transaction(function()
+ local sql_query = "SELECT `key`, `type`, `value`, `when` FROM `prosodyarchive` WHERE %s ORDER BY `sort_id` %s%s;";
+ local args = { host, user or "", store, };
+ local where = { "`host` = ?", "`user` = ?", "`store` = ?", };
+
+ -- Time range, inclusive
+ if query.start then
+ args[#args+1] = query.start
+ where[#where+1] = "`when` >= ?"
+ end
+ if query["end"] then
+ args[#args+1] = query["end"];
+ if query.start then
+ where[#where] = "`when` BETWEEN ? AND ?" -- is this inclusive?
+ else
+ where[#where+1] = "`when` >= ?"
+ end
+ end
+
+ -- Related name
+ if query.with then
+ where[#where+1] = "`with` = ?";
+ args[#args+1] = query.with
+ end
+
+ -- Unique id
+ if query.key then
+ where[#where+1] = "`key` = ?";
+ args[#args+1] = query.key
+ end
+
+ -- Total matching
+ if query.total then
+ local stats = engine:select(sql_query:gsub("^(SELECT).-(FROM)", "%1 COUNT(*) %2"):format(t_concat(where, " AND "), "DESC", ""), unpack(args));
+ if stats then
+ local _total = stats()
+ total = _total and _total[1];
+ end
+ if query.limit == 0 then -- Skip the real query
+ return noop, total;
+ end
+ end
+
+ -- Before or after specific item, exclusive
+ if query.after then
+ where[#where+1] = "`sort_id` > (SELECT `sort_id` FROM `prosodyarchive` WHERE `key` = ? LIMIT 1)"
+ args[#args+1] = query.after
+ end
+ if query.before then
+ where[#where+1] = "`sort_id` < (SELECT `sort_id` FROM `prosodyarchive` WHERE `key` = ? LIMIT 1)"
+ args[#args+1] = query.before
+ end
+
+ if query.limit then
+ args[#args+1] = query.limit;
+ end
+
+ sql_query = sql_query:format(t_concat(where, " AND "), query.reverse and "DESC" or "ASC", query.limit and " LIMIT ?" or "");
+ module:log("debug", sql_query);
+ return engine:select(sql_query, unpack(args));
+ end);
+ if not ok then return ok, result end
+ return function()
+ local row = result();
+ if row ~= nil then
+ return row[1], deserialize(row[2], row[3]), row[4];
+ end
+ end, total;
+end
+
local stores = {
keyval = keyval_store;
+ archive = archive_store;
};
local driver = {};