mirror of
https://github.com/processone/ejabberd.git
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241 lines
8.7 KiB
Erlang
241 lines
8.7 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : node_pep_sql.erl
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%%% Author : Christophe Romain <christophe.romain@process-one.net>
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%%% Purpose : Standard PubSub PEP plugin with ODBC backend
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%%% Created : 1 Dec 2007 by Christophe Romain <christophe.romain@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2018 ProcessOne
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License along
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%%% with this program; if not, write to the Free Software Foundation, Inc.,
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%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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%%%
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%%%----------------------------------------------------------------------
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%%% @doc The module <strong>{@module}</strong> is the pep PubSub plugin.
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%%% <p>PubSub plugin nodes are using the {@link gen_pubsub_node} behaviour.</p>
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-module(node_pep_sql).
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-behaviour(gen_pubsub_node).
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-author('christophe.romain@process-one.net').
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-compile([{parse_transform, ejabberd_sql_pt}]).
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-include("pubsub.hrl").
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-include("ejabberd_sql_pt.hrl").
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-export([init/3, terminate/2, options/0, features/0,
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create_node_permission/6, create_node/2, delete_node/1,
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purge_node/2, subscribe_node/8, unsubscribe_node/4,
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publish_item/7, delete_item/4, remove_extra_items/3,
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get_entity_affiliations/2, get_node_affiliations/1,
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get_affiliation/2, set_affiliation/3,
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get_entity_subscriptions/2, get_node_subscriptions/1,
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get_subscriptions/2, set_subscriptions/4,
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get_pending_nodes/2, get_states/1, get_state/2,
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set_state/1, get_items/7, get_items/3, get_item/7,
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get_item/2, set_item/1, get_item_name/3, node_to_path/1,
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path_to_node/1, depends/3,
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get_entity_subscriptions_for_send_last/2, get_last_items/3]).
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depends(_Host, _ServerHost, _Opts) ->
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[{mod_caps, hard}].
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init(Host, ServerHost, Opts) ->
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node_flat_sql:init(Host, ServerHost, Opts),
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ok.
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terminate(Host, ServerHost) ->
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node_flat_sql:terminate(Host, ServerHost),
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ok.
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options() ->
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[{sql, true}, {rsm, true} | node_pep:options()].
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features() ->
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[<<"rsm">> | node_pep:features()].
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create_node_permission(Host, ServerHost, Node, ParentNode, Owner, Access) ->
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node_pep:create_node_permission(Host, ServerHost, Node, ParentNode, Owner, Access).
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create_node(Nidx, Owner) ->
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node_flat_sql:create_node(Nidx, Owner),
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{result, {default, broadcast}}.
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delete_node(Nodes) ->
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{result, {_, _, Result}} = node_flat_sql:delete_node(Nodes),
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{result, {default, Result}}.
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subscribe_node(Nidx, Sender, Subscriber, AccessModel,
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SendLast, PresenceSubscription, RosterGroup, Options) ->
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node_flat_sql:subscribe_node(Nidx, Sender, Subscriber, AccessModel, SendLast,
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PresenceSubscription, RosterGroup, Options).
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unsubscribe_node(Nidx, Sender, Subscriber, SubId) ->
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case node_flat_sql:unsubscribe_node(Nidx, Sender, Subscriber, SubId) of
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{error, Error} -> {error, Error};
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{result, _} -> {result, []}
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end.
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publish_item(Nidx, Publisher, Model, MaxItems, ItemId, Payload, PubOpts) ->
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node_flat_sql:publish_item(Nidx, Publisher, Model, MaxItems, ItemId,
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Payload, PubOpts).
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remove_extra_items(Nidx, MaxItems, ItemIds) ->
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node_flat_sql:remove_extra_items(Nidx, MaxItems, ItemIds).
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delete_item(Nidx, Publisher, PublishModel, ItemId) ->
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node_flat_sql:delete_item(Nidx, Publisher, PublishModel, ItemId).
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purge_node(Nidx, Owner) ->
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node_flat_sql:purge_node(Nidx, Owner).
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get_entity_affiliations(_Host, Owner) ->
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OwnerKey = jid:tolower(jid:remove_resource(Owner)),
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node_flat_sql:get_entity_affiliations(OwnerKey, Owner).
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get_node_affiliations(Nidx) ->
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node_flat_sql:get_node_affiliations(Nidx).
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get_affiliation(Nidx, Owner) ->
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node_flat_sql:get_affiliation(Nidx, Owner).
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set_affiliation(Nidx, Owner, Affiliation) ->
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node_flat_sql:set_affiliation(Nidx, Owner, Affiliation).
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get_entity_subscriptions(_Host, Owner) ->
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SubKey = jid:tolower(Owner),
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GenKey = jid:remove_resource(SubKey),
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HLike = <<"%@", (node_flat_sql:encode_host_like(element(2, SubKey)))/binary>>,
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GJ = node_flat_sql:encode_jid(GenKey),
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Query = case SubKey of
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GenKey ->
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GJLike = <<(node_flat_sql:encode_jid_like(GenKey))/binary, "/%">>,
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?SQL("select @(host)s, @(node)s, @(plugin)s, @(i.nodeid)d, @(jid)s, @(subscriptions)s "
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"from pubsub_state i, pubsub_node n "
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"where i.nodeid = n.nodeid and "
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"(jid=%(GJ)s or jid like %(GJLike)s escape '^') and host like %(HLike)s escape '^'");
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_ ->
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SJ = node_flat_sql:encode_jid(SubKey),
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?SQL("select @(host)s, @(node)s, @(plugin)s, @(i.nodeid)d, @(jid)s, @(subscriptions)s "
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"from pubsub_state i, pubsub_node n "
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"where i.nodeid = n.nodeid and "
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"jid in (%(SJ)s,%(GJ)s) and host like %(HLike)s escape '^'")
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end,
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{result,
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case ejabberd_sql:sql_query_t(Query) of
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{selected, RItems} ->
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lists:foldl(
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fun({H, N, T, I, J, S}, Acc) ->
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O = node_flat_sql:decode_jid(H),
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Node = nodetree_tree_sql:raw_to_node(O, {N, <<"">>, T, I}),
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Jid = node_flat_sql:decode_jid(J),
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lists:foldl(
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fun({Sub, SubId}, Acc2) ->
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[{Node, Sub, SubId, Jid} | Acc2]
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end, Acc, node_flat_sql:decode_subscriptions(S))
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end, [], RItems);
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_ ->
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[]
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end}.
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get_entity_subscriptions_for_send_last(_Host, Owner) ->
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SubKey = jid:tolower(Owner),
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GenKey = jid:remove_resource(SubKey),
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HLike = <<"%@", (node_flat_sql:encode_host_like(element(2, SubKey)))/binary>>,
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GJ = node_flat_sql:encode_jid(GenKey),
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Query = case SubKey of
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GenKey ->
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GJLike = <<(node_flat_sql:encode_jid_like(GenKey))/binary, "/%">>,
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?SQL("select @(host)s, @(node)s, @(plugin)s, @(i.nodeid)d, @(jid)s, @(subscriptions)s "
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"from pubsub_state i, pubsub_node n, pubsub_node_option o "
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"where i.nodeid = n.nodeid and n.nodeid = o.nodeid and "
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"name='send_last_published_item' and val='on_sub_and_presence' and "
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"(jid=%(GJ)s or jid like %(GJLike)s escape '^') and host like %(HLike)s escape '^'");
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_ ->
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SJ = node_flat_sql:encode_jid(SubKey),
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?SQL("select @(host)s, @(node)s, @(plugin)s, @(i.nodeid)d, @(jid)s, @(subscriptions)s "
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"from pubsub_state i, pubsub_node n, pubsub_node_option o "
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"where i.nodeid = n.nodeid and n.nodeid = o.nodeid and "
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"name='send_last_published_item' and val='on_sub_and_presence' and "
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"jid in (%(SJ)s,%(GJ)s) and host like %(HLike)s escape '^'")
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end,
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{result,
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case ejabberd_sql:sql_query_t(Query) of
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{selected, RItems} ->
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lists:foldl(
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fun ({H, N, T, I, J, S}, Acc) ->
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O = node_flat_sql:decode_jid(H),
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Node = nodetree_tree_sql:raw_to_node(O, {N, <<"">>, T, I}),
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Jid = node_flat_sql:decode_jid(J),
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lists:foldl(
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fun ({Sub, SubId}, Acc2) ->
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[{Node, Sub, SubId, Jid}| Acc2]
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end, Acc, node_flat_sql:decode_subscriptions(S))
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end, [], RItems);
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_ ->
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[]
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end}.
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get_node_subscriptions(Nidx) ->
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node_flat_sql:get_node_subscriptions(Nidx).
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get_subscriptions(Nidx, Owner) ->
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node_flat_sql:get_subscriptions(Nidx, Owner).
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set_subscriptions(Nidx, Owner, Subscription, SubId) ->
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node_flat_sql:set_subscriptions(Nidx, Owner, Subscription, SubId).
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get_pending_nodes(Host, Owner) ->
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node_flat_sql:get_pending_nodes(Host, Owner).
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get_states(Nidx) ->
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node_flat_sql:get_states(Nidx).
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get_state(Nidx, JID) ->
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node_flat_sql:get_state(Nidx, JID).
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set_state(State) ->
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node_flat_sql:set_state(State).
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get_items(Nidx, From, RSM) ->
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node_flat_sql:get_items(Nidx, From, RSM).
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get_items(Nidx, JID, AccessModel, PresenceSubscription, RosterGroup, SubId, RSM) ->
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node_flat_sql:get_items(Nidx, JID, AccessModel,
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PresenceSubscription, RosterGroup, SubId, RSM).
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get_last_items(Nidx, JID, Count) ->
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node_flat_sql:get_last_items(Nidx, JID, Count).
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get_item(Nidx, ItemId) ->
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node_flat_sql:get_item(Nidx, ItemId).
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get_item(Nidx, ItemId, JID, AccessModel, PresenceSubscription, RosterGroup, SubId) ->
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node_flat_sql:get_item(Nidx, ItemId, JID, AccessModel,
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PresenceSubscription, RosterGroup, SubId).
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set_item(Item) ->
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node_flat_sql:set_item(Item).
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get_item_name(Host, Node, Id) ->
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node_flat_sql:get_item_name(Host, Node, Id).
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node_to_path(Node) ->
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node_flat_sql:node_to_path(Node).
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path_to_node(Path) ->
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node_flat_sql:path_to_node(Path).
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