BigIntegerNumericConverter.ReadAsync is missing an early return when everything is already in the buffer #6389

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BigIntegerNumericConverter.ReadAsync is missing an early return when everything is already in the buffer#6389

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#6390

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10.0.2

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vonzshik

opened on Dec 23, 2025

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npgsql/src/Npgsql/Internal/Converters/Primitive/NumericConverters.cs

Lines 33 to 37 in 381b0fa

	public override ValueTask<BigInteger> ReadAsync(PgReader reader, CancellationToken cancellationToken = default)
	{
	// If we don't need a read and can read buffered we delegate to our sync read method which won't do IO in such a case.
	if (!reader.ShouldBuffer(reader.CurrentRemaining))
	Read(reader);

This issue can be reproduced with composites and CommandBehavior.SequentialAccess.

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