pyflink.multimodal.expression.ImageExpressionAccessor.encode

ImageExpressionAccessor.encode(*, format: Optional[str] = None, quality: int = 85, output: Literal['bytes', 'data_url'] = 'bytes', concurrency: Optional[int] = None) → pyflink.table.expression.Expression

Encode image values into bytes or data URLs.

Equivalent to image_encode(). See that function for full parameter details.

Parameters

• format – Optional output image format, such as "JPEG" or "PNG".

• quality – Output quality for lossy formats.

• output – Output representation, such as "bytes" or "data_url".

• concurrency – Optional execution concurrency for this operation. None uses the framework default.

Returns

A DataFrame expression that produces BINARY values, or STRING values when output="data_url".