public override Instant Read(NpgsqlReadBuffer buf, int len, FieldDescription?fieldDescription = null)
{
var value = buf.ReadInt64();
if (_convertInfinityDateTime)
{
if (value == long.MaxValue)
{
return(Instant.MaxValue);
}
if (value == long.MinValue)
{
return(Instant.MinValue);
}
}
return(TimestampHandler.Decode(value));
}
public override void Write(Instant value, NpgsqlWriteBuffer buf, NpgsqlParameter?parameter)
{
if (_convertInfinityDateTime)
{
if (value == Instant.MaxValue)
{
buf.WriteInt64(long.MaxValue);
return;
}
if (value == Instant.MinValue)
{
buf.WriteInt64(long.MinValue);
return;
}
}
TimestampHandler.WriteInteger(value, buf);
}
ZonedDateTime INpgsqlSimpleTypeHandler <ZonedDateTime> .Read(NpgsqlReadBuffer buf, int len, FieldDescription?fieldDescription)
{
try
{
var value = buf.ReadInt64();
if (value == long.MaxValue || value == long.MinValue)
{
throw new NotSupportedException("Infinity values not supported for timestamp with time zone");
}
return(TimestampHandler.Decode(value).InZone(_dateTimeZoneProvider[buf.Connection.Timezone]));
}
catch (Exception e) when(
string.Equals(buf.Connection.Timezone, "localtime", StringComparison.OrdinalIgnoreCase) &&
(e is TimeZoneNotFoundException || e is DateTimeZoneNotFoundException))
{
throw new TimeZoneNotFoundException(
"The special PostgreSQL timezone 'localtime' is not supported when reading values of type 'timestamp with time zone'. " +
"Please specify a real timezone in 'postgresql.conf' on the server, or set the 'PGTZ' environment variable on the client.",
e);
}
}
void INpgsqlSimpleTypeHandler <LocalDateTime> .Write(LocalDateTime value, NpgsqlWriteBuffer buf, NpgsqlParameter?parameter) => TimestampHandler.WriteLocalDateTime(value, buf);
LocalDateTime INpgsqlSimpleTypeHandler <LocalDateTime> .Read(NpgsqlReadBuffer buf, int len, FieldDescription?fieldDescription) => TimestampHandler.ReadLocalDateTime(buf);