migrator/prosody_sql.lua: Create (and upgrade) MySQL tables to use MEDIUMTEXT for...
authorMatthew Wild <mwild1@gmail.com>
Thu, 2 Jun 2011 23:57:25 +0000 (00:57 +0100)
committerMatthew Wild <mwild1@gmail.com>
Thu, 2 Jun 2011 23:57:25 +0000 (00:57 +0100)
tools/migration/migrator/prosody_sql.lua

index 50ae8c40a92c99aca7f8af5d0ab7f89fbf813981..ec86417ca995b40cae9b479e11d5060bbcde5f5d 100644 (file)
@@ -21,6 +21,8 @@ local function create_table(connection, params)
        local create_sql = "CREATE TABLE `prosody` (`host` TEXT, `user` TEXT, `store` TEXT, `key` TEXT, `type` TEXT, `value` TEXT);";
        if params.driver == "PostgreSQL" then
                create_sql = create_sql:gsub("`", "\"");
+       elseif params.driver == "MySQL" then
+               create_sql = create_sql:gsub("`value` TEXT", "`value` MEDIUMTEXT");
        end
        
        local stmt = connection:prepare(create_sql);
@@ -40,6 +42,22 @@ local function create_table(connection, params)
                                ok, err = assert(stmt:execute());
                                commit_ok, commit_err = assert(connection:commit());
                        end
+               else -- COMPAT: Upgrade tables from 0.8.0
+                       -- Failed to create, but check existing MySQL table here
+                       local stmt = connection:prepare("SHOW COLUMNS FROM prosody WHERE Field='value' and Type='text'");
+                       local ok = stmt:execute();
+                       local commit_ok = connection:commit();
+                       if ok and commit_ok then
+                               if stmt:rowcount() > 0 then
+                                       local stmt = connection:prepare("ALTER TABLE prosody MODIFY COLUMN `value` MEDIUMTEXT");
+                                       local ok = stmt:execute();
+                                       local commit_ok = connection:commit();
+                                       if ok and commit_ok then
+                                               print("Database table automatically upgraded");
+                                       end
+                               end
+                               repeat until not stmt:fetch();
+                       end
                end
        end
 end