Refactor usage of legacy data contracts. Moves legacy data contracts
to pkg/tsdb/legacydata package.
Refactor pkg/expr to be a proper service/dependency that can be provided
to wire to remove some unneeded dependencies to SSE in ngalert and other places.
Refactor pkg/expr to not use the legacydata,RequestHandler and use
backend.QueryDataHandler instead.
* Revert "Prometheus: add functionality to specify desired step interval in dashboards panels (#36422)"
This reverts commit ddf5b65c51.
Co-authored-by: Ivana Huckova <ivana.huckova@gmail.com>
* Revert "Explore: add functionality for supporting different step modes in prometheus (#37829)"
This reverts commit f433cfd8d9.
Co-authored-by: Ivana Huckova <ivana.huckova@gmail.com>
* Revert stepMode BE implementation from #36796
Co-authored-by: "Ivana Huckova" <ivana.huckova@gmail.com>
* convert SQLs to use sdk contracts
* make draft
* postgres
* intermedia
* get datasourceinfo filled at the beginning of the service
* move the interval into package because of cyclict import and fix all postgres tests
* fix mysql test
* fix mssql
* fix the test for pr https://github.com/grafana/grafana/issues/35839
* fix some issue about intervalv2 package
* update sql test
* wire migration for SQLs
* add sqls to the background process
* make it register instead of register and start
* revert formatting
* fix tests
* fix linter
* remove integration test
* Postgres test fix
Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>