/// <inheritdoc />
public int ValidateAndGetLength(IDictionary <string, string?> value, ref NpgsqlLengthCache?lengthCache, NpgsqlParameter?parameter)
{
lengthCache ??= new NpgsqlLengthCache(1);
if (lengthCache.IsPopulated)
{
return(lengthCache.Get());
}
// Leave empty slot for the entire hstore length, and go ahead an populate the individual string slots
var pos = lengthCache.Position;
lengthCache.Set(0);
var totalLen = 4; // Number of key-value pairs
foreach (var kv in value)
{
totalLen += 8; // Key length + value length
if (kv.Key == null)
{
throw new FormatException("HSTORE doesn't support null keys");
}
totalLen += _textHandler.ValidateAndGetLength(kv.Key, ref lengthCache, null);
if (kv.Value != null)
{
totalLen += _textHandler.ValidateAndGetLength(kv.Value !, ref lengthCache, null);
}
}
return(lengthCache !.Lengths[pos] = totalLen);
}
/// <inheritdoc /> public override int ValidateAndGetLength(string value, ref NpgsqlLengthCache?lengthCache, NpgsqlParameter?parameter) => 1 + _textHandler.ValidateAndGetLength(value, ref lengthCache, parameter);