tomasz.sowa/winix
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added support for Model migrations

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now we have a table core.migration and each model (User, Group, Item, ItemContent and a new Migration) have its own
row in the table with a version number

added to config:
db_make_migration_if_needed and db_stop_if_migration_fails (need description yet)
This commit is contained in:
Tomasz Sowa
2021-05-14 03:31:29 +02:00
parent 4df10de6b7
commit a94e09f0aa
16 changed files with 674 additions and 40 deletions
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61
winixd/core/app.cpp
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@@ -50,7 +50,7 @@
#include "functions/functions.h"
#include "utf8/utf8.h"
#include "convert/convert.h"
#include "models/migration.h"
namespace Winix
@@ -272,6 +272,52 @@ return true;
}
bool App::DoDatabaseMigration()
{
bool ok = true;
Migration migration;
User user;
ItemContent item_content;
Item item;
Group group;
ok = ok && Migration::do_migration(&model_connector, migration);
ok = ok && Migration::do_migration(&model_connector, user);
/*
* do migration of ItemContent before Item
* Item::do_migration_to_3() requires that ItemContent should have new columns
*
*/
ok = ok && Migration::do_migration(&model_connector, item_content);
ok = ok && Migration::do_migration(&model_connector, item);
ok = ok && Migration::do_migration(&model_connector, group);
return ok;
}
bool App::TryToMakeDatabaseMigration()
{
if( config.db_make_migration_if_needed )
{
if( !DoDatabaseMigration() )
{
if( config.db_stop_if_migration_fails )
{
log << log1 << "App: database migration failed, stopping winix" << logend;
return false;
}
}
}
return true;
}
bool App::Init()
{
postgresql_connector.set_conn_param(config.db_database, config.db_user, config.db_pass);
@@ -283,20 +329,11 @@ bool App::Init()
model_connector.set_db_connector(postgresql_connector);
model_connector.set_logger(log);
// temporary
if( config.space.to_bool(L"do_migration_to_winix_fullmorm", false) )
{
Item item_temp;
item_temp.set_connector(model_connector);
item_temp.do_migration(&model_connector, log);
log << log1 << "Migrations complete, now remove do_migration_to_winix_fullmorm from the config" << logend;
std::exit(0);
}
if( !TryToMakeDatabaseMigration() )
return false;
db_conn.SetConnParam(config.db_database, config.db_user, config.db_pass);
db_conn.WaitForConnection();
db.PostgreSQLsmallerThan10(config.db_postgresql_smaller_than_10);
db.LogQueries(config.log_db_query);
cur.request->Clear();