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This is Part 1 in a stacked PR set that delivers aggregate root field support. * Part 2: Metadata Resolve: https://github.com/hasura/v3-engine/pull/684 * Part 3: GraphQL API: https://github.com/hasura/v3-engine/pull/685 JIRA: [V3ENGINE-159](https://hasurahq.atlassian.net/browse/V3ENGINE-159) ## Description This PR is the first cut in implementing aggregates functionality for v3, as defined in the [Aggregates and Grouping RFC](https://github.com/hasura/v3-engine/blob/main/rfcs/aggregations.md). This PR modifies the Open DD schema and adds the `AggregateExpression` metadata object. It also modifies the `Model` and `GraphqlConfig` types and adds new fields that are required to link in aggregates functionality. For more information, please see the below RFC links. This PR implements only the minimum properties required to get a aggregates root fields in the GraphQL API. There is more defined in the RFC that will be implemented in later iterations. RFC links: * [AggregateExpression](https://github.com/hasura/v3-engine/blob/main/rfcs/aggregations.md#aggregateexpression-new) * [Model](https://github.com/hasura/v3-engine/blob/main/rfcs/aggregations.md#model--object-type) * [GraphqlConfig](https://github.com/hasura/v3-engine/blob/main/rfcs/aggregations.md#graphql-config) ## Changelog ### Product _(Select all products this will be available in)_ - [x] community-edition - [x] cloud <!-- product : end : DO NOT REMOVE --> ### Type - [ ] highlight - [x] enhancement - [ ] bugfix - [ ] behaviour-change - [ ] performance-enhancement - [ ] security-fix <!-- type : end : DO NOT REMOVE --> ### Changelog entry Support for aggregate GraphQL root fields via the new AggregateExpression OpenDD type and its use on the Model type <!-- changelog-entry : end : DO NOT REMOVE --> <!-- changelog : end : DO NOT REMOVE --> [V3ENGINE-159]: https://hasurahq.atlassian.net/browse/V3ENGINE-159?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ V3_GIT_ORIGIN_REV_ID: 6969ee73036a011e3026b58545c0286a65749067 |
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