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Added pre and post db upgrade script support, schema version now visible on the about page (#92)

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This commit is contained in:
Michael Green
2023-09-09 23:56:57 +10:00
committed by GitHub
parent 9b77dee37b
commit d67c17528a
7 changed files with 172 additions and 108 deletions
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30
gaseous-tools/Database.cs
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@@ -108,14 +108,20 @@ namespace gaseous_tools
Logging.Log(Logging.LogType.Information, "Database", "Schema version is " + SchemaVer);
if (SchemaVer < i)
{
// run pre-upgrade code
gaseous_tools.DatabaseMigration.PreUpgradeScript(i, _ConnectorType);
// apply schema!
Logging.Log(Logging.LogType.Information, "Database", "Schema update available - applying");
Logging.Log(Logging.LogType.Information, "Database", "Updating schema to version " + i);
ExecuteCMD(dbScript, dbDict);
sql = "UPDATE schema_version SET schema_version=@schemaver";
dbDict = new Dictionary<string, object>();
dbDict.Add("schemaver", i);
ExecuteCMD(sql, dbDict);
// run post-upgrade code
gaseous_tools.DatabaseMigration.PostUpgradeScript(i, _ConnectorType);
}
}
}
@@ -178,6 +184,28 @@ namespace gaseous_tools
}
}
public int GetDatabaseSchemaVersion()
{
switch (_ConnectorType)
{
case databaseType.MySql:
string sql = "SELECT schema_version FROM schema_version;";
DataTable SchemaVersion = ExecuteCMD(sql);
if (SchemaVersion.Rows.Count == 0)
{
return 0;
}
else
{
return (int)SchemaVersion.Rows[0][0];
}
default:
return 0;
}
}
public class SQLTransactionItem
{
public SQLTransactionItem()