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Author	SHA1	Message	Date
Henrik Aasted Sørensen	98c595312a	libs/pubsub/query: add EXISTS operator (#4077 ) ## Issue: This PR adds an "EXISTS" condition to the event query grammar. It enables querying for the occurrence of an event without having to provide a condition for one of its attributes. As an example, someone interested in all slashing events might currently catch them with a query such as slash.power > 0. With this PR the event can be captured with slash.power EXISTS or just slash EXISTS to catch by event type. ## Examples: `slash EXISTS` ## Commits: * Add EXISTS condition to query grammar * Gofmt files * Move PEG instructions out of auto-generated file to prevent overwrite * Update libs/pubsub/query/query.go Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com> * Update changelog and add test case * Merge with other changes in PR #4070 * Add EXISTS to Conditions() func * Apply gofmt * Addressing PR comments	5 years ago

Author

SHA1

Message

Date

Henrik Aasted Sørensen

98c595312a

libs/pubsub/query: add EXISTS operator (#4077 )

## Issue:

This PR adds an "EXISTS" condition to the event query grammar. It enables querying for the occurrence of an event without having to provide a condition for one of its attributes.

As an example, someone interested in all slashing events might currently catch them with a query such as slash.power > 0.

With this PR the event can be captured with slash.power EXISTS or just slash EXISTS to catch by event type.

## Examples:

`slash EXISTS`

## Commits:

* Add EXISTS condition to query grammar

* Gofmt files

* Move PEG instructions out of auto-generated file to prevent overwrite

* Update libs/pubsub/query/query.go

Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com>

* Update changelog and add test case

* Merge with other changes in PR #4070

* Add EXISTS to Conditions() func

* Apply gofmt

* Addressing PR comments

5 years ago

1 Commits (af992361055b5541c1bd388994e386652e4d7254)