add precision in pollrange doc
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1 changed files with 10 additions and 7 deletions
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@ -723,13 +723,6 @@ The query body is a JSON object consisting of the following fields:
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The timeout can be set to any number of seconds, with a maximum of 600 seconds (10 minutes).
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The timeout can be set to any number of seconds, with a maximum of 600 seconds (10 minutes).
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If no seen marker is known by the caller, it can do a PollRange call
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without specifying `seenMarker`. In this case, the PollRange call will
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complete immediately, and return the current content of the range (which
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can be empty) and a seen marker to be used in further PollRange calls. This
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is the only case in which PollRange might return an HTTP 200 with an empty
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set of items.
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The response is either:
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The response is either:
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- A HTTP 304 NOT MODIFIED response with an empty body, if the timeout expired and no changes occurred
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- A HTTP 304 NOT MODIFIED response with an empty body, if the timeout expired and no changes occurred
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@ -741,6 +734,16 @@ The response is either:
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| `seenMarker` | An opaque string that represents items already seen for future PollRange calls |
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| `seenMarker` | An opaque string that represents items already seen for future PollRange calls |
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| `items` | The list of items that have changed since last PollRange call, in the same format as ReadBatch |
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| `items` | The list of items that have changed since last PollRange call, in the same format as ReadBatch |
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If no seen marker is known by the caller, it can do a PollRange call
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without specifying `seenMarker`. In this case, the PollRange call will
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complete immediately, and return the current content of the range (which
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can be empty) and a seen marker to be used in further PollRange calls. This
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is the only case in which PollRange might return an HTTP 200 with an empty
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set of items.
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A seen marker returned as a response to a PollRange query can be used for further PollRange
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queries on the same range, or for PollRange queries in a subrange of the initial range.
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It may not be used for PollRange queries on ranges larger or outside of the initial range.
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Example query:
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Example query:
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