prosody
d50005796a26
plugins/mod_storage_sql2.lua

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plugins/mod_storage_sql2.lua @ 5786:d50005796a26

util.debug: Further fix to display locals in extended tracebacks
author Matthew Wild <mwild1@gmail.com>
date Sat, 10 Aug 2013 20:40:45 +0100
parent 5776:bd0ff8ae98a8
child 5847:6aaa7ad4463c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 local json = require "util.json";
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3 local xml_parse = require "util.xml".parse;
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4 local uuid = require "util.uuid";
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5 local resolve_relative_path = require "core.configmanager".resolve_relative_path;
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6
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7 local stanza_mt = require"util.stanza".stanza_mt;
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8 local getmetatable = getmetatable;
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9 local t_concat = table.concat;
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10 local function is_stanza(x) return getmetatable(x) == stanza_mt; end
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11
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12 local noop = function() end
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13 local unpack = unpack
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14 local function iterator(result)
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15 return function(result)
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16 local row = result();
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17 if row ~= nil then
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18 return unpack(row);
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19 end
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20 end, result, nil;
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21 end
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22
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23 local mod_sql = module:require("sql");
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24 local params = module:get_option("sql");
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26 local engine; -- TODO create engine
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28 local function create_table()
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29 local Table,Column,Index = mod_sql.Table,mod_sql.Column,mod_sql.Index;
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30 --[[
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31 local ProsodyTable = Table {
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32 name="prosody";
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33 Column { name="host", type="TEXT", nullable=false };
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34 Column { name="user", type="TEXT", nullable=false };
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35 Column { name="store", type="TEXT", nullable=false };
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36 Column { name="key", type="TEXT", nullable=false };
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37 Column { name="type", type="TEXT", nullable=false };
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38 Column { name="value", type="TEXT", nullable=false };
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39 Index { name="prosody_index", "host", "user", "store", "key" };
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40 };
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41 engine:transaction(function()
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42 ProsodyTable:create(engine);
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43 end);]]
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44 if not module:get_option("sql_manage_tables", true) then
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45 return;
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46 end
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47
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48 local create_sql = "CREATE TABLE `prosody` (`host` TEXT, `user` TEXT, `store` TEXT, `key` TEXT, `type` TEXT, `value` TEXT);";
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49 if params.driver == "PostgreSQL" then
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50 create_sql = create_sql:gsub("`", "\"");
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51 elseif params.driver == "MySQL" then
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52 create_sql = create_sql:gsub("`value` TEXT", "`value` MEDIUMTEXT")
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53 :gsub(";$", " CHARACTER SET 'utf8' COLLATE 'utf8_bin';");
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54 end
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55
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56 local index_sql = "CREATE INDEX `prosody_index` ON `prosody` (`host`, `user`, `store`, `key`)";
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57 if params.driver == "PostgreSQL" then
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58 index_sql = index_sql:gsub("`", "\"");
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59 elseif params.driver == "MySQL" then
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60 index_sql = index_sql:gsub("`([,)])", "`(20)%1");
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61 end
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62
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63 local success,err = engine:transaction(function()
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64 engine:execute(create_sql);
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65 engine:execute(index_sql);
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66 end);
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67 if not success then -- so we failed to create
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68 if params.driver == "MySQL" then
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69 success,err = engine:transaction(function()
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70 local result = engine:execute("SHOW COLUMNS FROM prosody WHERE Field='value' and Type='text'");
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71 if result:rowcount() > 0 then
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72 module:log("info", "Upgrading database schema...");
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73 engine:execute("ALTER TABLE prosody MODIFY COLUMN `value` MEDIUMTEXT");
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74 module:log("info", "Database table automatically upgraded");
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75 end
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76 return true;
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77 end);
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78 if not success then
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79 module:log("error", "Failed to check/upgrade database schema (%s), please see "
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80 .."http://prosody.im/doc/mysql for help",
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81 err or "unknown error");
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82 end
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83 end
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84 end
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85 local ProsodyArchiveTable = Table {
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86 name="prosodyarchive";
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87 Column { name="sort_id", type="INTEGER PRIMARY KEY AUTOINCREMENT", nullable=false };
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88 Column { name="host", type="TEXT", nullable=false };
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89 Column { name="user", type="TEXT", nullable=false };
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90 Column { name="store", type="TEXT", nullable=false };
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91 Column { name="key", type="TEXT", nullable=false }; -- item id
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92 Column { name="when", type="INTEGER", nullable=false }; -- timestamp
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93 Column { name="with", type="TEXT", nullable=false }; -- related id
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94 Column { name="type", type="TEXT", nullable=false };
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95 Column { name="value", type=params.driver == "MySQL" and "MEDIUMTEXT" or "TEXT", nullable=false };
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96 Index { name="prosodyarchive_index", "host", "user", "store", "key" };
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97 };
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98 engine:transaction(function()
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99 ProsodyArchiveTable:create(engine);
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100 end);
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101 end
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102 local function set_encoding()
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103 if params.driver == "SQLite3" then return end
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104 local set_names_query = "SET NAMES 'utf8';";
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105 if params.driver == "MySQL" then
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106 set_names_query = set_names_query:gsub(";$", " COLLATE 'utf8_bin';");
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107 end
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108 local success,err = engine:transaction(function() return engine:execute(set_names_query); end);
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109 if not success then
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110 module:log("error", "Failed to set database connection encoding to UTF8: %s", err);
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111 return;
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112 end
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113 if params.driver == "MySQL" then
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114 -- COMPAT w/pre-0.9: Upgrade tables to UTF-8 if not already
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115 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' );";
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116 local success,err = engine:transaction(function()
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117 local result = engine:execute(check_encoding_query);
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118 local n_bad_columns = result:rowcount();
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119 if n_bad_columns > 0 then
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120 module:log("warn", "Found %d columns in prosody table requiring encoding change, updating now...", n_bad_columns);
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121 local fix_column_query1 = "ALTER TABLE `prosody` CHANGE `%s` `%s` BLOB;";
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122 local fix_column_query2 = "ALTER TABLE `prosody` CHANGE `%s` `%s` %s CHARACTER SET 'utf8' COLLATE 'utf8_bin';";
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123 for row in result:rows() do
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124 local column_name, column_type = unpack(row);
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125 engine:execute(fix_column_query1:format(column_name, column_name));
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126 engine:execute(fix_column_query2:format(column_name, column_name, column_type));
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127 end
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128 module:log("info", "Database encoding upgrade complete!");
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129 end
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130 end);
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131 local success,err = engine:transaction(function() return engine:execute(check_encoding_query); end);
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132 if not success then
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133 module:log("error", "Failed to check/upgrade database encoding: %s", err or "unknown error");
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134 end
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135 end
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136 end
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137
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138 do -- process options to get a db connection
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139 params = params or { driver = "SQLite3" };
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140
5494
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141 if params.driver == "SQLite3" then
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142 params.database = resolve_relative_path(prosody.paths.data or ".", params.database or "prosody.sqlite");
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143 end
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144
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145 assert(params.driver and params.database, "Both the SQL driver and the database need to be specified");
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146
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147 --local dburi = db2uri(params);
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148 engine = mod_sql:create_engine(params);
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149
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150 -- Encoding mess
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151 set_encoding();
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152
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153 -- Automatically create table, ignore failure (table probably already exists)
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154 create_table();
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155 end
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156
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diff changeset
157 local function serialize(value)
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158 local t = type(value);
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159 if t == "string" or t == "boolean" or t == "number" then
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parents:
diff changeset
160 return t, tostring(value);
5735
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Kim Alvefur <zash@zash.se>
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161 elseif is_stanza(value) then
24f4e73645fe mod_storage_sql2: Support XML serialization for stanzas.
Kim Alvefur <zash@zash.se>
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diff changeset
162 return "xml", tostring(value);
5494
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163 elseif t == "table" then
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parents:
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164 local value,err = json.encode(value);
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165 if value then return "json", value; end
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166 return nil, err;
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167 end
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168 return nil, "Unhandled value type: "..t;
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parents:
diff changeset
169 end
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parents:
diff changeset
170 local function deserialize(t, value)
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parents:
diff changeset
171 if t == "string" then return value;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
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parents:
diff changeset
172 elseif t == "boolean" then
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parents:
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173 if value == "true" then return true;
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parents:
diff changeset
174 elseif value == "false" then return false; end
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parents:
diff changeset
175 elseif t == "number" then return tonumber(value);
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parents:
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176 elseif t == "json" then
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parents:
diff changeset
177 return json.decode(value);
5735
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diff changeset
178 elseif t == "xml" then
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179 return xml_parse(value);
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180 end
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181 end
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182
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diff changeset
183 local host = module.host;
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184 local user, store;
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185
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diff changeset
186 local function keyval_store_get()
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187 local haveany;
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188 local result = {};
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189 for row in engine:select("SELECT `key`,`type`,`value` FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=?", host, user or "", store) do
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190 haveany = true;
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diff changeset
191 local k = row[1];
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192 local v = deserialize(row[2], row[3]);
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diff changeset
193 if k and v then
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parents:
diff changeset
194 if k ~= "" then result[k] = v; elseif type(v) == "table" then
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parents:
diff changeset
195 for a,b in pairs(v) do
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diff changeset
196 result[a] = b;
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197 end
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198 end
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diff changeset
199 end
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parents:
diff changeset
200 end
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diff changeset
201 if haveany then
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202 return result;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
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203 end
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204 end
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205 local function keyval_store_set(data)
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206 engine:delete("DELETE FROM `prosody` WHERE `host`=? AND `user`=? AND `store`=?", host, user or "", store);
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diff changeset
207
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diff changeset
208 if data and next(data) ~= nil then
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209 local extradata = {};
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diff changeset
210 for key, value in pairs(data) do
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Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
211 if type(key) == "string" and key ~= "" then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
212 local t, value = serialize(value);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
213 assert(t, value);
5732
4aa1d6f5083a mod_storage_sql2: Make sure the user field is not NULL
Kim Alvefur <zash@zash.se>
parents: 5711
diff changeset
214 engine:insert("INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)", host, user or "", store, key, t, value);
5494
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
215 else
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
216 extradata[key] = value;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
217 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
218 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
219 if next(extradata) ~= nil then
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
220 local t, extradata = serialize(extradata);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
221 assert(t, extradata);
5732
4aa1d6f5083a mod_storage_sql2: Make sure the user field is not NULL
Kim Alvefur <zash@zash.se>
parents: 5711
diff changeset
222 engine:insert("INSERT INTO `prosody` (`host`,`user`,`store`,`key`,`type`,`value`) VALUES (?,?,?,?,?,?)", host, user or "", store, "", t, extradata);
5494
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
223 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
224 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
225 return true;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
226 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
227
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
228 local keyval_store = {};
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
229 keyval_store.__index = keyval_store;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
230 function keyval_store:get(username)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
231 user,store = username,self.store;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
232 return select(2, engine:transaction(keyval_store_get));
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
233 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
234 function keyval_store:set(username, data)
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
235 user,store = username,self.store;
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
236 return engine:transaction(function()
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
237 return keyval_store_set(data);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
238 end);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
239 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
240 function keyval_store:users()
5733
aeeced7b0149 mod_storage_sql2: Fix iteration over users and stores
Kim Alvefur <zash@zash.se>
parents: 5732
diff changeset
241 local ok, result = engine:transaction(function()
5494
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
242 return engine:select("SELECT DISTINCT `user` FROM `prosody` WHERE `host`=? AND `store`=?", host, self.store);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
243 end);
5733
aeeced7b0149 mod_storage_sql2: Fix iteration over users and stores
Kim Alvefur <zash@zash.se>
parents: 5732
diff changeset
244 if not ok then return ok, result end
aeeced7b0149 mod_storage_sql2: Fix iteration over users and stores
Kim Alvefur <zash@zash.se>
parents: 5732
diff changeset
245 return iterator(result);
5494
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
246 end
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
247
5741
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
248 local archive_store = {}
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
249 archive_store.__index = archive_store
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
250 function archive_store:append(username, when, with, value)
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
251 local user,store = username,self.store;
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
252 return engine:transaction(function()
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
253 local key = uuid.generate();
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
254 local t, value = serialize(value);
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
255 engine:insert("INSERT INTO `prosodyarchive` (`host`, `user`, `store`, `when`, `with`, `key`, `type`, `value`) VALUES (?,?,?,?,?,?,?,?)", host, user or "", store, when, with, key, t, value);
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
256 return key;
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
257 end);
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
258 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
259 function archive_store:find(username, query)
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
260 query = query or {};
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
261 local user,store = username,self.store;
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
262 local total;
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
263 local ok, result = engine:transaction(function()
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
264 local sql_query = "SELECT `key`, `type`, `value`, `when` FROM `prosodyarchive` WHERE %s ORDER BY `sort_id` %s%s;";
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
265 local args = { host, user or "", store, };
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
266 local where = { "`host` = ?", "`user` = ?", "`store` = ?", };
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
267
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
268 -- Time range, inclusive
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
269 if query.start then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
270 args[#args+1] = query.start
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
271 where[#where+1] = "`when` >= ?"
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
272 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
273 if query["end"] then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
274 args[#args+1] = query["end"];
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
275 if query.start then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
276 where[#where] = "`when` BETWEEN ? AND ?" -- is this inclusive?
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
277 else
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
278 where[#where+1] = "`when` >= ?"
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
279 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
280 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
281
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
282 -- Related name
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
283 if query.with then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
284 where[#where+1] = "`with` = ?";
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
285 args[#args+1] = query.with
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
286 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
287
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
288 -- Unique id
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
289 if query.key then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
290 where[#where+1] = "`key` = ?";
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
291 args[#args+1] = query.key
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
292 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
293
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
294 -- Total matching
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
295 if query.total then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
296 local stats = engine:select(sql_query:gsub("^(SELECT).-(FROM)", "%1 COUNT(*) %2"):format(t_concat(where, " AND "), "DESC", ""), unpack(args));
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
297 if stats then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
298 local _total = stats()
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
299 total = _total and _total[1];
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
300 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
301 if query.limit == 0 then -- Skip the real query
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
302 return noop, total;
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
303 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
304 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
305
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
306 -- Before or after specific item, exclusive
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
307 if query.after then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
308 where[#where+1] = "`sort_id` > (SELECT `sort_id` FROM `prosodyarchive` WHERE `key` = ? LIMIT 1)"
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
309 args[#args+1] = query.after
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
310 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
311 if query.before then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
312 where[#where+1] = "`sort_id` < (SELECT `sort_id` FROM `prosodyarchive` WHERE `key` = ? LIMIT 1)"
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
313 args[#args+1] = query.before
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
314 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
315
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
316 if query.limit then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
317 args[#args+1] = query.limit;
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
318 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
319
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
320 sql_query = sql_query:format(t_concat(where, " AND "), query.reverse and "DESC" or "ASC", query.limit and " LIMIT ?" or "");
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
321 module:log("debug", sql_query);
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
322 return engine:select(sql_query, unpack(args));
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
323 end);
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
324 if not ok then return ok, result end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
325 return function()
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
326 local row = result();
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
327 if row ~= nil then
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
328 return row[1], deserialize(row[2], row[3]), row[4];
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
Kim Alvefur <zash@zash.se>
parents: 5740
diff changeset
329 end
c7a664e496b3 mod_storage_sql2: Add archive store with append and find methods
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330 end, total;
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331 end
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332
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333 local stores = {
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334 keyval = keyval_store;
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335 archive = archive_store;
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336 };
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337
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338 local driver = {};
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339
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340 function driver:open(store, typ)
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341 local store_mt = stores[typ or "keyval"];
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342 if store_mt then
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343 return setmetatable({ store = store }, store_mt);
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344 end
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345 return nil, "unsupported-store";
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346 end
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347
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348 function driver:stores(username)
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349 local sql = "SELECT DISTINCT `store` FROM `prosody` WHERE `host`=? AND `user`" ..
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350 (username == true and "!=?" or "=?");
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351 if username == true or not username then
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352 username = "";
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353 end
5733
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354 local ok, result = engine:transaction(function()
5494
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355 return engine:select(sql, host, username);
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356 end);
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357 if not ok then return ok, result end
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358 return iterator(result);
5494
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359 end
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parents:
diff changeset
360
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361 function driver:purge(username)
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362 return engine:transaction(function()
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363 local stmt,err = engine:delete("DELETE FROM `prosody` WHERE `host`=? AND `user`=?", host, username);
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364 return true,err;
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365 end);
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parents:
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366 end
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parents:
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367
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parents:
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368 module:provides("storage", driver);
9916f0a2d178 mod_storage_sql2 (temporary name), sql.lib, util.sql: New SQL API supporting cross-module connection sharing, transactions and Things - a work in progress
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parents:
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369
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parents:
diff changeset
370