Migration.lua
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上传日期:2021-01-31
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- -- ----------------------------------------------------------------------------------------
- -- Copyright (C) 2004 MySQL AB
- --
- -- This program is free software; you can redistribute it and/or modify
- -- it under the terms of the GNU General Public License as published by
- -- the Free Software Foundation; either version 2 of the License, or
- -- (at your option) any later version.
- --
- -- This program is distributed in the hope that it will be useful,
- -- but WITHOUT ANY WARRANTY; without even the implied warranty of
- -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- -- GNU General Public License for more details.
- --
- -- You should have received a copy of the GNU General Public License
- -- along with this program; if not, write to the Free Software
- -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- -- ----------------------------------------------------------------------------------------
- -- ----------------------------------------------------------------------------------------
- -- @file Migration.lua
- -- @brief Module that contains program logic for MySQL Migration
- -- ----------------------------------------------------------------------------------------
- -- ----------------------------------------------------------------------------------------
- -- @brief Returns the information about this module
- --
- -- Every Grt module has to implement this function to return information about the
- -- module. Note that new functions that should be exposed to the Grt have to be listed
- -- here. Function that are not exposed should start with a underscore.
- --
- -- @return A dict that contains the name and the function names of the module
- -- ----------------------------------------------------------------------------------------
- function getModuleInfo()
- local moduleInfo=
- {
- name= "Migration",
- functions= {
- "initMigration::",
- "shutdownMigration::"
- },
- extends= ""
- }
- return moduleInfo
- end
- -- ----------------------------------------------------------------------------------------
- -- @brief Initalizes the application
- --
- -- Creates an object of the struct db.workbench.Environment and assigns it to the
- -- global /workbench
- --
- -- @return 1 on success or an error
- -- ----------------------------------------------------------------------------------------
- function initMigration()
- -- Generate a new db.migration.Migration object and set it to the global /migration
- grtV.setGlobal("/migration", grtV.newObj("db.migration.Migration", "Migration", grt.newGuid(), ""))
- -- Get all available RDBMS drivers
- grtV.setGlobal("/rdbmsMgmt", grt.getRes(RdbmsManagement:getManagementInfo()))
-
- -- Load generic datatype mapping
- if grt.fileExists("xml/GenericDatatypeMapping.xml") then
- grtV.setGlobal("/migration/genericDatatypeMappings", grtV.load("xml/GenericDatatypeMapping.xml"))
- end
- -- Free GRT values cached on Lua side
- collectgarbage()
- return grt.success()
- end
- -- ----------------------------------------------------------------------------------------
- -- @brief Performs actions when the application is shut down
- --
- -- Performs several actions shortly before the application is shut down
- --
- -- @return 1 on success or an error
- -- ----------------------------------------------------------------------------------------
- function shutdownMigration(args)
- RdbmsManagement:storeConns({grtV.getGlobal("/rdbmsMgmt/storedConns")})
- return grt.success()
- end