prosody
7958680c459a
plugins/mod_storage_sql.lua

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plugins/mod_storage_sql.lua @ 4393:7958680c459a

net.server_select: Minor whitespace fix.
author Waqas Hussain <waqas20@gmail.com>
date Thu, 13 Oct 2011 00:11:17 +0500
parent 4318:44b131d7041b
child 5034:2dbb3bf74090
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1
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2 --[[
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3
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4 DB Tables:
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5 Prosody - key-value, map
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6 | host | user | store | key | type | value |
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7 ProsodyArchive - list
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8 | host | user | store | key | time | stanzatype | jsonvalue |
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9
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10 Mapping:
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11 Roster - Prosody
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12 | host | user | "roster" | "contactjid" | type | value |
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13 | host | user | "roster" | NULL | "json" | roster[false] data |
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14 Account - Prosody
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15 | host | user | "accounts" | "username" | type | value |
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16
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17 Offline - ProsodyArchive
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18 | host | user | "offline" | "contactjid" | time | "message" | json|XML |
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19
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20 ]]
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21
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22 local type = type;
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23 local tostring = tostring;
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24 local tonumber = tonumber;
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25 local pairs = pairs;
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26 local next = next;
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27 local setmetatable = setmetatable;
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28 local xpcall = xpcall;
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29 local json = require "util.json";
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30
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31 local DBI;
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32 local connection;
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33 local host,user,store = module.host;
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34 local params = module:get_option("sql");
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35
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36 local resolve_relative_path = require "core.configmanager".resolve_relative_path;
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37
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38 local function test_connection()
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39 if not connection then return nil; end
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40 if connection:ping() then
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41 return true;
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42 else
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43 module:log("debug", "Database connection closed");
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44 connection = nil;
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45 end
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46 end
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47 local function connect()
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48 if not test_connection() then
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49 prosody.unlock_globals();
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50 local dbh, err = DBI.Connect(
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51 params.driver, params.database,
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52 params.username, params.password,
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53 params.host, params.port
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54 );
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55 prosody.lock_globals();
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56 if not dbh then
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57 module:log("debug", "Database connection failed: %s", tostring(err));
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58 return nil, err;
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59 end
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60 module:log("debug", "Successfully connected to database");
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61 dbh:autocommit(false); -- don't commit automatically
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62 connection = dbh;
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63 return connection;
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64 end
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65 end
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66
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67 local function create_table()
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68 if not module:get_option("sql_manage_tables", true) then
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69 return;
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70 end
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71 local create_sql = "CREATE TABLE `prosody` (`host` TEXT, `user` TEXT, `store` TEXT, `key` TEXT, `type` TEXT, `value` TEXT);";
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72 if params.driver == "PostgreSQL" then
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73 create_sql = create_sql:gsub("`", "\"");
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74 elseif params.driver == "MySQL" then
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75 create_sql = create_sql:gsub("`value` TEXT", "`value` MEDIUMTEXT");
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76 end
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77
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78 local stmt, err = connection:prepare(create_sql);
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79 if stmt then
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80 local ok = stmt:execute();
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81 local commit_ok = connection:commit();
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82 if ok and commit_ok then
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83 module:log("info", "Initialized new %s database with prosody table", params.driver);
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84 local index_sql = "CREATE INDEX `prosody_index` ON `prosody` (`host`, `user`, `store`, `key`)";
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85 if params.driver == "PostgreSQL" then
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86 index_sql = index_sql:gsub("`", "\"");
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87 elseif params.driver == "MySQL" then
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88 index_sql = index_sql:gsub("`([,)])", "`(20)%1");
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89 end
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90 local stmt, err = connection:prepare(index_sql);
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91 local ok, commit_ok, commit_err;
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92 if stmt then
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93 ok, err = stmt:execute();
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94 commit_ok, commit_err = connection:commit();
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95 end
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96 if not(ok and commit_ok) then
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97 module:log("warn", "Failed to create index (%s), lookups may not be optimised", err or commit_err);
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98 end
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99 elseif params.driver == "MySQL" then -- COMPAT: Upgrade tables from 0.8.0
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100 -- Failed to create, but check existing MySQL table here
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101 local stmt = connection:prepare("SHOW COLUMNS FROM prosody WHERE Field='value' and Type='text'");
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102 local ok = stmt:execute();
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103 local commit_ok = connection:commit();
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104 if ok and commit_ok then
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105 if stmt:rowcount() > 0 then
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106 module:log("info", "Upgrading database schema...");
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107 local stmt = connection:prepare("ALTER TABLE prosody MODIFY COLUMN `value` MEDIUMTEXT");
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108 local ok, err = stmt:execute();
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109 local commit_ok = connection:commit();
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110 if ok and commit_ok then
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111 module:log("info", "Database table automatically upgraded");
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112 else
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113 module:log("error", "Failed to upgrade database schema (%s), please see "
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114 .."http://prosody.im/doc/mysql for help",
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115 err or "unknown error");
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116 end
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117 end
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118 repeat until not stmt:fetch();
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diff changeset
119 end
4109
d26db1f936f8 mod_storage_sql: Create index when creating a new table
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parents: 4105
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120 end
4318
44b131d7041b mod_storage_sql: Add extra logging and error handling around table creation
Matthew Wild <mwild1@gmail.com>
parents: 4317
diff changeset
121 elseif params.driver ~= "SQLite3" then -- SQLite normally fails to prepare for existing table
44b131d7041b mod_storage_sql: Add extra logging and error handling around table creation
Matthew Wild <mwild1@gmail.com>
parents: 4317
diff changeset
122 module:log("warn", "Prosody was not able to automatically check/create the database table (%s), "
44b131d7041b mod_storage_sql: Add extra logging and error handling around table creation
Matthew Wild <mwild1@gmail.com>
parents: 4317
diff changeset
123 .."see http://prosody.im/doc/modules/mod_storage_sql#table_management for help.",
44b131d7041b mod_storage_sql: Add extra logging and error handling around table creation
Matthew Wild <mwild1@gmail.com>
parents: 4317
diff changeset
124 err or "unknown error");
4109
d26db1f936f8 mod_storage_sql: Create index when creating a new table
Matthew Wild <mwild1@gmail.com>
parents: 4105
diff changeset
125 end
d26db1f936f8 mod_storage_sql: Create index when creating a new table
Matthew Wild <mwild1@gmail.com>
parents: 4105
diff changeset
126 end
d26db1f936f8 mod_storage_sql: Create index when creating a new table
Matthew Wild <mwild1@gmail.com>
parents: 4105
diff changeset
127
3851
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diff changeset
128 do -- process options to get a db connection
4218
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
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parents: 4109
diff changeset
129 local ok;
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
Matthew Wild <mwild1@gmail.com>
parents: 4109
diff changeset
130 prosody.unlock_globals();
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
Matthew Wild <mwild1@gmail.com>
parents: 4109
diff changeset
131 ok, DBI = pcall(require, "DBI");
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
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parents: 4109
diff changeset
132 if not ok then
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
Matthew Wild <mwild1@gmail.com>
parents: 4109
diff changeset
133 package.loaded["DBI"] = {};
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
Matthew Wild <mwild1@gmail.com>
parents: 4109
diff changeset
134 module:log("error", "Failed to load the LuaDBI library for accessing SQL databases: %s", DBI);
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
Matthew Wild <mwild1@gmail.com>
parents: 4109
diff changeset
135 module:log("error", "More information on installing LuaDBI can be found at http://prosody.im/doc/depends#luadbi");
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
Matthew Wild <mwild1@gmail.com>
parents: 4109
diff changeset
136 end
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
Matthew Wild <mwild1@gmail.com>
parents: 4109
diff changeset
137 prosody.lock_globals();
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
Matthew Wild <mwild1@gmail.com>
parents: 4109
diff changeset
138 if not ok or not DBI.Connect then
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
Matthew Wild <mwild1@gmail.com>
parents: 4109
diff changeset
139 return; -- Halt loading of this module
8a271b3fcaa7 mod_storage_sql: Display friendlier error when LuaDBI is missing
Matthew Wild <mwild1@gmail.com>
parents: 4109
diff changeset
140 end
3851
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parents:
diff changeset
141
4096
3b991ceb228e mod_storage_sql: Make the 'database' value for the SQLite3 driver relative to the data path
Matthew Wild <mwild1@gmail.com>
parents: 4073
diff changeset
142 params = params or { driver = "SQLite3" };
3b991ceb228e mod_storage_sql: Make the 'database' value for the SQLite3 driver relative to the data path
Matthew Wild <mwild1@gmail.com>
parents: 4073
diff changeset
143
3b991ceb228e mod_storage_sql: Make the 'database' value for the SQLite3 driver relative to the data path
Matthew Wild <mwild1@gmail.com>
parents: 4073
diff changeset
144 if params.driver == "SQLite3" then
3b991ceb228e mod_storage_sql: Make the 'database' value for the SQLite3 driver relative to the data path
Matthew Wild <mwild1@gmail.com>
parents: 4073
diff changeset
145 params.database = resolve_relative_path(prosody.paths.data or ".", params.database or "prosody.sqlite");
3b991ceb228e mod_storage_sql: Make the 'database' value for the SQLite3 driver relative to the data path
Matthew Wild <mwild1@gmail.com>
parents: 4073
diff changeset
146 end
3b991ceb228e mod_storage_sql: Make the 'database' value for the SQLite3 driver relative to the data path
Matthew Wild <mwild1@gmail.com>
parents: 4073
diff changeset
147
3b991ceb228e mod_storage_sql: Make the 'database' value for the SQLite3 driver relative to the data path
Matthew Wild <mwild1@gmail.com>
parents: 4073
diff changeset
148 assert(params.driver and params.database, "Both the SQL driver and the database need to be specified");
3851
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parents:
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149
4105
08560575762f mod_storage_sql: Reconnect in all cases, and rollback on error.
Waqas Hussain <waqas20@gmail.com>
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diff changeset
150 assert(connect());
3854
5a1551d604b1 mod_storage_sql: Auto-initialize SQLite3 database.
Waqas Hussain <waqas20@gmail.com>
parents: 3853
diff changeset
151
4101
06778bc27d53 mod_storage_sql: Create table automatically for all databases now, not just SQLite. Also rename table from Prosody -> prosody.
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parents: 4096
diff changeset
152 -- Automatically create table, ignore failure (table probably already exists)
4109
d26db1f936f8 mod_storage_sql: Create index when creating a new table
Matthew Wild <mwild1@gmail.com>
parents: 4105
diff changeset
153 create_table();
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
154 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
155
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
156 local function serialize(value)
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
157 local t = type(value);
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
158 if t == "string" or t == "boolean" or t == "number" then
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
159 return t, tostring(value);
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
160 elseif t == "table" then
4048
c64b0aefb922 mod_storage_sql: Use util.json instead of util.serialization.
Waqas Hussain <waqas20@gmail.com>
parents: 4046
diff changeset
161 local value,err = json.encode(value);
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
162 if value then return "json", value; end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
163 return nil, err;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
164 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
165 return nil, "Unhandled value type: "..t;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
166 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
167 local function deserialize(t, value)
3863
2a9475dce7ff mod_storage_sql: Fixed the deserialization of string-typed values.
Waqas Hussain <waqas20@gmail.com>
parents: 3854
diff changeset
168 if t == "string" then return value;
3851
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
169 elseif t == "boolean" then
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
170 if value == "true" then return true;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
171 elseif value == "false" then return false; end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
172 elseif t == "number" then return tonumber(value);
3891
f82af9f7f1cd mod_storage_sql: Fix a couple of bugs in "JSON" decoding
Matthew Wild <mwild1@gmail.com>
parents: 3864
diff changeset
173 elseif t == "json" then
4048
c64b0aefb922 mod_storage_sql: Use util.json instead of util.serialization.
Waqas Hussain <waqas20@gmail.com>
parents: 4046
diff changeset
174 return json.decode(value);
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
175 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
176 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
177
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
178 local function getsql(sql, ...)
4044
61ae809da8ee mod_storage_sql: Dynamically replace backquotes with double quotes when connecting to PostgreSQL...
Waqas Hussain <waqas20@gmail.com>
parents: 4043
diff changeset
179 if params.driver == "PostgreSQL" then
61ae809da8ee mod_storage_sql: Dynamically replace backquotes with double quotes when connecting to PostgreSQL...
Waqas Hussain <waqas20@gmail.com>
parents: 4043
diff changeset
180 sql = sql:gsub("`", "\"");
61ae809da8ee mod_storage_sql: Dynamically replace backquotes with double quotes when connecting to PostgreSQL...
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parents: 4043
diff changeset
181 end
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
182 -- do prepared statement stuff
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
183 local stmt, err = connection:prepare(sql);
4105
08560575762f mod_storage_sql: Reconnect in all cases, and rollback on error.
Waqas Hussain <waqas20@gmail.com>
parents: 4101
diff changeset
184 if not stmt and not test_connection() then error("connection failed"); end
4046
467e73951610 mod_storage_sql: Log an error on query failure.
Waqas Hussain <waqas20@gmail.com>
parents: 4045
diff changeset
185 if not stmt then module:log("error", "QUERY FAILED: %s %s", err, debug.traceback()); return nil, err; end
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
186 -- run query
4042
3294f12ea602 mod_storage_sql: Quote identifiers in SQL with backquotes, and use the empty string for NULL, and '=' instead of 'IS' for comparison, to work with MySQL's limitations...
Waqas Hussain <waqas20@gmail.com>
parents: 3891
diff changeset
187 local ok, err = stmt:execute(host or "", user or "", store or "", ...);
4105
08560575762f mod_storage_sql: Reconnect in all cases, and rollback on error.
Waqas Hussain <waqas20@gmail.com>
parents: 4101
diff changeset
188 if not ok and not test_connection() then error("connection failed"); end
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
189 if not ok then return nil, err; end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
190
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
191 return stmt;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
192 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
193 local function setsql(sql, ...)
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
194 local stmt, err = getsql(sql, ...);
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
195 if not stmt then return stmt, err; end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
196 return stmt:affected();
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
197 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
198 local function transact(...)
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
199 -- ...
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
200 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
201 local function rollback(...)
4105
08560575762f mod_storage_sql: Reconnect in all cases, and rollback on error.
Waqas Hussain <waqas20@gmail.com>
parents: 4101
diff changeset
202 if connection then connection:rollback(); end -- FIXME check for rollback error?
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
203 return ...;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
204 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
205 local function commit(...)
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
206 if not connection:commit() then return nil, "SQL commit failed"; end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
207 return ...;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
208 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
209
4073
79fd38ab224b mod_storage_sql: Catch Lua errors during SQL transactions, and rollback.
Waqas Hussain <waqas20@gmail.com>
parents: 4070
diff changeset
210 local function keyval_store_get()
4101
06778bc27d53 mod_storage_sql: Create table automatically for all databases now, not just SQLite. Also rename table from Prosody -> prosody.
Matthew Wild <mwild1@gmail.com>
parents: 4096
diff changeset
211 local stmt, err = getsql("SELECT * FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=?");
4105
08560575762f mod_storage_sql: Reconnect in all cases, and rollback on error.
Waqas Hussain <waqas20@gmail.com>
parents: 4101
diff changeset
212 if not stmt then return rollback(nil, err); end
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
213
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
214 local haveany;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
215 local result = {};
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
216 for row in stmt:rows(true) do
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
217 haveany = true;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
218 local k = row.key;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
219 local v = deserialize(row.type, row.value);
4045
054e05b27611 mod_storage_sql: Remove the subkey column from the Prosody table, and make the map store compatible with the key-value store.
Waqas Hussain <waqas20@gmail.com>
parents: 4044
diff changeset
220 if k and v then
054e05b27611 mod_storage_sql: Remove the subkey column from the Prosody table, and make the map store compatible with the key-value store.
Waqas Hussain <waqas20@gmail.com>
parents: 4044
diff changeset
221 if k ~= "" then result[k] = v; elseif type(v) == "table" then
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
222 for a,b in pairs(v) do
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
223 result[a] = b;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
224 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
225 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
226 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
227 end
4043
d3f5c60a72b1 mod_storage_sql: Call commit() after all SQL statements, including SELECT, to get SQLite to drop its locks.
Waqas Hussain <waqas20@gmail.com>
parents: 4042
diff changeset
228 return commit(haveany and result or nil);
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
229 end
4073
79fd38ab224b mod_storage_sql: Catch Lua errors during SQL transactions, and rollback.
Waqas Hussain <waqas20@gmail.com>
parents: 4070
diff changeset
230 local function keyval_store_set(data)
4101
06778bc27d53 mod_storage_sql: Create table automatically for all databases now, not just SQLite. Also rename table from Prosody -> prosody.
Matthew Wild <mwild1@gmail.com>
parents: 4096
diff changeset
231 local affected, err = setsql("DELETE FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=?");
4105
08560575762f mod_storage_sql: Reconnect in all cases, and rollback on error.
Waqas Hussain <waqas20@gmail.com>
parents: 4101
diff changeset
232 if not affected then return rollback(affected, err); end
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
233
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
234 if data and next(data) ~= nil then
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
235 local extradata = {};
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
236 for key, value in pairs(data) do
4042
3294f12ea602 mod_storage_sql: Quote identifiers in SQL with backquotes, and use the empty string for NULL, and '=' instead of 'IS' for comparison, to work with MySQL's limitations...
Waqas Hussain <waqas20@gmail.com>
parents: 3891
diff changeset
237 if type(key) == "string" and key ~= "" then
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
238 local t, value = serialize(value);
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
239 if not t then return rollback(t, value); end
4101
06778bc27d53 mod_storage_sql: Create table automatically for all databases now, not just SQLite. Also rename table from Prosody -> prosody.
Matthew Wild <mwild1@gmail.com>
parents: 4096
diff changeset
240 local ok, err = setsql("INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)", key, t, value);
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
241 if not ok then return rollback(ok, err); end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
242 else
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
243 extradata[key] = value;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
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244 end
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245 end
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246 if next(extradata) ~= nil then
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247 local t, extradata = serialize(extradata);
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248 if not t then return rollback(t, extradata); end
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249 local ok, err = setsql("INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)", "", t, extradata);
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250 if not ok then return rollback(ok, err); end
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251 end
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252 end
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253 return commit(true);
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254 end
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255
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256 local keyval_store = {};
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257 keyval_store.__index = keyval_store;
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258 function keyval_store:get(username)
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259 user,store = username,self.store;
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260 if not connection and not connect() then return nil, "Unable to connect to database"; end
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261 local success, ret, err = xpcall(keyval_store_get, debug.traceback);
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262 if not connection and connect() then
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263 success, ret, err = xpcall(keyval_store_get, debug.traceback);
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264 end
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265 if success then return ret, err; else return rollback(nil, ret); end
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266 end
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267 function keyval_store:set(username, data)
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268 user,store = username,self.store;
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269 if not connection and not connect() then return nil, "Unable to connect to database"; end
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270 local success, ret, err = xpcall(function() return keyval_store_set(data); end, debug.traceback);
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271 if not connection and connect() then
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272 success, ret, err = xpcall(function() return keyval_store_set(data); end, debug.traceback);
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273 end
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274 if success then return ret, err; else return rollback(nil, ret); end
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275 end
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276
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277 local function map_store_get(key)
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278 local stmt, err = getsql("SELECT * FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=?", key or "");
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279 if not stmt then return rollback(nil, err); end
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280
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281 local haveany;
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282 local result = {};
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283 for row in stmt:rows(true) do
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284 haveany = true;
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285 local k = row.key;
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286 local v = deserialize(row.type, row.value);
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287 if k and v then
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288 if k ~= "" then result[k] = v; elseif type(v) == "table" then
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289 for a,b in pairs(v) do
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290 result[a] = b;
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291 end
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292 end
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293 end
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294 end
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295 return commit(haveany and result[key] or nil);
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296 end
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297 local function map_store_set(key, data)
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298 local affected, err = setsql("DELETE FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=?", key or "");
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299 if not affected then return rollback(affected, err); end
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300
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301 if data and next(data) ~= nil then
4045
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302 if type(key) == "string" and key ~= "" then
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diff changeset
303 local t, value = serialize(data);
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304 if not t then return rollback(t, value); end
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305 local ok, err = setsql("INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)", key, t, value);
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306 if not ok then return rollback(ok, err); end
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diff changeset
307 else
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parents: 4044
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308 -- TODO non-string keys
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309 end
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310 end
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311 return commit(true);
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312 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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313
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314 local map_store = {};
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315 map_store.__index = map_store;
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diff changeset
316 function map_store:get(username, key)
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parents: 4070
diff changeset
317 user,store = username,self.store;
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diff changeset
318 local success, ret, err = xpcall(function() return map_store_get(key); end, debug.traceback);
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parents: 4070
diff changeset
319 if success then return ret, err; else return rollback(nil, ret); end
79fd38ab224b mod_storage_sql: Catch Lua errors during SQL transactions, and rollback.
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parents: 4070
diff changeset
320 end
79fd38ab224b mod_storage_sql: Catch Lua errors during SQL transactions, and rollback.
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parents: 4070
diff changeset
321 function map_store:set(username, key, data)
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parents: 4070
diff changeset
322 user,store = username,self.store;
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parents: 4070
diff changeset
323 local success, ret, err = xpcall(function() return map_store_set(key, data); end, debug.traceback);
79fd38ab224b mod_storage_sql: Catch Lua errors during SQL transactions, and rollback.
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parents: 4070
diff changeset
324 if success then return ret, err; else return rollback(nil, ret); end
79fd38ab224b mod_storage_sql: Catch Lua errors during SQL transactions, and rollback.
Waqas Hussain <waqas20@gmail.com>
parents: 4070
diff changeset
325 end
79fd38ab224b mod_storage_sql: Catch Lua errors during SQL transactions, and rollback.
Waqas Hussain <waqas20@gmail.com>
parents: 4070
diff changeset
326
3851
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diff changeset
327 local list_store = {};
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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diff changeset
328 list_store.__index = list_store;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
329 function list_store:scan(username, from, to, jid, typ)
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
330 user,store = username,self.store;
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
331
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
332 local cols = {"from", "to", "jid", "typ"};
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
333 local vals = { from , to , jid , typ };
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
334 local stmt, err;
4101
06778bc27d53 mod_storage_sql: Create table automatically for all databases now, not just SQLite. Also rename table from Prosody -> prosody.
Matthew Wild <mwild1@gmail.com>
parents: 4096
diff changeset
335 local query = "SELECT * FROM `prosodyarchive` WHERE `host`=? AND `user`=? AND `store`=?";
3851
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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diff changeset
336
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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diff changeset
337 query = query.." ORDER BY time";
4101
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diff changeset
338 --local stmt, err = getsql("SELECT * FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=? AND `key`=?", key or "");
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diff changeset
339
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
340 return nil, "not-implemented"
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
341 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
342
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
343 local driver = { name = "sql" };
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
344
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
345 function driver:open(store, typ)
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
346 if not typ then -- default key-value store
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
347 return setmetatable({ store = store }, keyval_store);
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
348 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
349 return nil, "unsupported-store";
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
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parents:
diff changeset
350 end
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
351
e979b5fe859d mod_storage_sql: Initial commit of new SQL data driver.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
352 module:add_item("data-driver", driver);