// Constructors
protected Driver(CoreServerInfo coreServerInfo, ErrorMessageParser errorMessageParser, bool checkConnectionIsAlive)
: base(coreServerInfo)
{
this.errorMessageParser = errorMessageParser;
this.checkConnectionIsAlive = checkConnectionIsAlive;
}
protected virtual bool TryProvideErrorContext(int errorCode, string errorMessage, SqlExceptionInfo info)
{
Dictionary <int, string> parseResult;
string duplicateValue;
switch (errorCode)
{
case 2627:
parseResult = errorMessageParser.Parse(errorCode, errorMessage);
info.Type = SqlExceptionType.UniqueConstraintViolation;
info.Constraint = parseResult[2];
info.Table = ErrorMessageParser.CutSchemaPrefix(parseResult[3]);
if (parseResult.TryGetValue(4, out duplicateValue))
{
info.Value = duplicateValue;
}
break;
case 2601:
parseResult = errorMessageParser.Parse(errorCode, errorMessage);
info.Type = SqlExceptionType.UniqueConstraintViolation;
info.Table = ErrorMessageParser.CutSchemaPrefix(parseResult[1]);
info.Constraint = parseResult[2];
if (parseResult.TryGetValue(3, out duplicateValue))
{
info.Value = duplicateValue;
}
break;
case 515:
parseResult = errorMessageParser.Parse(errorCode, errorMessage);
info.Type = SqlExceptionType.CheckConstraintViolation;
info.Column = parseResult[1];
info.Table = ErrorMessageParser.CutDatabaseAndSchemaPrefix(parseResult[2]);
break;
case 547:
parseResult = errorMessageParser.Parse(errorCode, errorMessage);
switch (parseResult[2])
{
case "FOREIGN KEY":
case "REFERENCE":
info.Type = SqlExceptionType.ReferentialConstraintViolation;
break;
case "UNIQUE KEY":
case "PRIMARY KEY":
info.Type = SqlExceptionType.UniqueConstraintViolation;
break;
case "CHECK":
info.Type = SqlExceptionType.CheckConstraintViolation;
break;
default:
return(false);
}
info.Constraint = parseResult[3];
info.Database = parseResult[4];
info.Table = ErrorMessageParser.CutSchemaPrefix(parseResult[5]);
info.Column = ErrorMessageParser.ExtractQuotedText(parseResult[6]);
break;
default:
return(false);
}
return(true);
}
private static SqlDriver CreateDriverInstance(string connectionString, bool isAzure, Version version,
DefaultSchemaInfo defaultSchema, ErrorMessageParser parser, bool isEnsureAlive)
{
var builder = new SqlConnectionStringBuilder(connectionString);
var coreServerInfo = new CoreServerInfo {
ServerVersion = version,
ConnectionString = connectionString,
MultipleActiveResultSets = builder.MultipleActiveResultSets,
DatabaseName = defaultSchema.Database,
DefaultSchemaName = defaultSchema.Schema,
};
if (isAzure)
{
return(new Azure.Driver(coreServerInfo, parser, isEnsureAlive));
}
if (version.Major < 9)
{
throw new NotSupportedException(Strings.ExSqlServerBelow2005IsNotSupported);
}
return(version.Major switch {
9 => new v09.Driver(coreServerInfo, parser, isEnsureAlive),
10 => new v10.Driver(coreServerInfo, parser, isEnsureAlive),
11 => new v11.Driver(coreServerInfo, parser, isEnsureAlive),
12 => new v12.Driver(coreServerInfo, parser, isEnsureAlive),
13 => new v13.Driver(coreServerInfo, parser, isEnsureAlive),
_ => new v13.Driver(coreServerInfo, parser, isEnsureAlive)
});