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mod_log_messages_sql/mod_log_messages_sql.lua @ 4764:a754f7e380b2
mod_dnsupdate: Rewrite port config vs DNS comparison code
I'm not sure if it was correct, which means it was hard to understand
and thus needed to be simplified. Hope this accomplishes that.
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 08 Nov 2021 23:03:14 +0100 |
parent | 2408:9d132153d786 |
rev | line source |
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1 -- Based on mod_mam_sql |
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2 -- Copyright (C) 2011-2012 Kim Alvefur |
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3 -- |
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4 -- This file is MIT/X11 licensed. |
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5 |
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6 local st = require "util.stanza"; |
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7 local jid_bare = require "util.jid".bare; |
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8 local jid_split = require "util.jid".split; |
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9 |
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10 local serialize = require"util.json".encode, require"util.json".decode; |
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11 local tostring = tostring; |
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12 local time_now = os.time; |
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13 |
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14 |
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15 local table_name = module:get_option("message_log_sql_table", pcall(require, "util.cache") and "messages" or "prosodyarchive"); |
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16 |
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17 local sql, setsql, getsql = {}; |
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18 do -- SQL stuff |
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19 local connection; |
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20 local resolve_relative_path = require "core.configmanager".resolve_relative_path; |
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21 local params = module:get_option("message_log_sql", module:get_option("sql")); |
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22 |
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23 |
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24 local function test_connection() |
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25 if not connection then return nil; end |
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26 if connection:ping() then |
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27 return true; |
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28 else |
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29 module:log("debug", "Database connection closed"); |
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30 connection = nil; |
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31 end |
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32 end |
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33 local function connect() |
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34 if not test_connection() then |
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35 prosody.unlock_globals(); |
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36 local dbh, err = DBI.Connect( |
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37 params.driver, params.database, |
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38 params.username, params.password, |
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39 params.host, params.port |
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40 ); |
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41 prosody.lock_globals(); |
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42 if not dbh then |
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43 module:log("debug", "Database connection failed: %s", tostring(err)); |
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44 return nil, err; |
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45 end |
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46 module:log("debug", "Successfully connected to database"); |
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47 dbh:autocommit(false); -- don't commit automatically |
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48 connection = dbh; |
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49 |
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50 end |
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51 return connection; |
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52 end |
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53 |
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54 |
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55 do -- process options to get a db connection |
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56 local ok; |
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57 prosody.unlock_globals(); |
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58 ok, DBI = pcall(require, "DBI"); |
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59 if not ok then |
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60 package.loaded["DBI"] = {}; |
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61 module:log("error", "Failed to load the LuaDBI library for accessing SQL databases: %s", DBI); |
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62 module:log("error", "More information on installing LuaDBI can be found at http://prosody.im/doc/depends#luadbi"); |
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63 end |
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64 prosody.lock_globals(); |
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65 if not ok or not DBI.Connect then |
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66 return; -- Halt loading of this module |
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67 end |
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68 |
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69 params = params or { driver = "SQLite3" }; |
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70 |
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71 if params.driver == "SQLite3" then |
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72 params.database = resolve_relative_path(prosody.paths.data or ".", params.database or "prosody.sqlite"); |
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73 end |
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74 |
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75 assert(params.driver and params.database, "Both the SQL driver and the database need to be specified"); |
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76 |
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77 assert(connect()); |
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78 |
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79 end |
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80 |
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81 function getsql(sql, ...) |
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82 if params.driver == "PostgreSQL" then |
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83 sql = sql:gsub("`", "\""); |
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84 end |
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85 -- do prepared statement stuff |
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86 local stmt, err = connection:prepare(sql); |
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87 if not stmt and not test_connection() then error("connection failed"); end |
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88 if not stmt then module:log("error", "QUERY FAILED: %s %s", err, debug.traceback()); return nil, err; end |
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89 -- run query |
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90 local ok, err = stmt:execute(...); |
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91 if not ok and not test_connection() then error("connection failed"); end |
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92 if not ok then return nil, err; end |
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93 |
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94 return stmt; |
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95 end |
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96 function setsql(sql, ...) |
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97 local stmt, err = getsql(sql, ...); |
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98 if not stmt then return stmt, err; end |
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99 return stmt:affected(); |
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100 end |
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101 function sql.rollback(...) |
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102 if connection then connection:rollback(); end -- FIXME check for rollback error? |
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103 return ...; |
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104 end |
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105 function sql.commit(...) |
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106 local ok, err = connection:commit(); |
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107 if not ok then |
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108 module:log("error", "SQL commit failed: %s", tostring(err)); |
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109 return nil, "SQL commit failed: "..tostring(err); |
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110 end |
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111 return ...; |
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112 end |
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113 |
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114 end |
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115 |
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116 -- Handle messages |
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117 local function message_handler(event, c2s) |
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118 local origin, stanza = event.origin, event.stanza; |
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119 local orig_type = stanza.attr.type or "normal"; |
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120 local orig_to = stanza.attr.to; |
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121 local orig_from = stanza.attr.from; |
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122 |
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123 if not orig_from and c2s then |
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124 orig_from = origin.full_jid; |
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125 end |
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126 orig_to = orig_to or orig_from; -- Weird corner cases |
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127 |
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128 -- Don't store messages of these types |
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129 if orig_type == "error" |
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130 or orig_type == "headline" |
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131 or orig_type == "groupchat" |
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132 or not stanza:get_child("body") then |
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133 return; |
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134 -- TODO Maybe headlines should be configurable? |
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135 end |
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136 |
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137 local store_user, store_host = jid_split(c2s and orig_from or orig_to); |
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138 local target_jid = c2s and orig_to or orig_from; |
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139 local target_bare = jid_bare(target_jid); |
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140 local _, _, target_resource = jid_split(target_jid); |
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141 |
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142 --local id = uuid(); |
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143 local when = time_now(); |
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144 -- And stash it |
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145 local ok, err = setsql([[ |
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146 INSERT INTO `]]..table_name..[[` |
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147 (`host`, `user`, `store`, `when`, `with`, `resource`, `stanza`) |
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148 VALUES (?, ?, ?, ?, ?, ?, ?); |
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149 ]], store_host, store_user, "message_log", when, target_bare, target_resource, serialize(st.preserialize(stanza))) |
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150 if ok then |
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151 sql.commit(); |
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152 else |
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153 module:log("error", "SQL error: %s", err); |
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154 sql.rollback(); |
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155 end |
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156 end |
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157 |
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158 local function c2s_message_handler(event) |
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159 return message_handler(event, true); |
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160 end |
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161 |
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162 -- Stanzas sent by local clients |
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163 module:hook("pre-message/bare", c2s_message_handler, 2); |
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164 module:hook("pre-message/full", c2s_message_handler, 2); |
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165 -- Stanszas to local clients |
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166 module:hook("message/bare", message_handler, 2); |
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167 module:hook("message/full", message_handler, 2); |
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168 |
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169 -- In the telnet console, run: |
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170 -- >hosts["this host"].modules.mam_sql.environment.create_sql() |
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171 function create_sql() |
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172 local stm = assert(getsql([[ |
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173 CREATE TABLE `]]..table_name..[[` ( |
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174 `host` TEXT, |
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175 `user` TEXT, |
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176 `store` TEXT, |
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177 `id` INTEGER PRIMARY KEY AUTOINCREMENT, |
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178 `when` INTEGER, |
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179 `with` TEXT, |
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180 `resource` TEXT, |
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181 `stanza` TEXT |
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182 ); |
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183 CREATE INDEX `hus` ON `]]..table_name..[[` (`host`, `user`, `store`); |
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184 CREATE INDEX `with` ON `]]..table_name..[[` (`with`); |
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185 CREATE INDEX `thetime` ON `]]..table_name..[[` (`when`); |
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186 ]])); |
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187 stm:execute(); |
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188 sql.commit(); |
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189 end |