String json()
Offset — Read Position of Streaming Query
Offset
is the base of stream positions that represent progress of a streaming query in json format.
Method | Description |
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Converts the offset to JSON format (JSON-encoded offset) Used when:
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Offset | Description |
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ContinuousMemoryStreamOffset |
|
FileStreamSourceOffset |
|
LongOffset |
|
RateStreamOffset |
|
SerializedOffset |
JSON-encoded offset that is used when loading an offset from an external storage, e.g. from checkpoint after restart |
TextSocketOffset |