pyflink.multimodal.expression.ImageExpressionAccessor.is_valid

ImageExpressionAccessor.is_valid(*, mode: Optional[str] = None, pixel_limit: Optional[int] = None, concurrency: Optional[int] = None) → pyflink.table.expression.Expression

Check whether image inputs can be decoded as valid images.

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

Parameters

• mode – Optional expected image mode.

• pixel_limit – Optional maximum decoded pixel count.

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

Returns

A DataFrame expression that produces BOOLEAN validity flags.