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Commit Graph

Author	SHA1	Message	Date
Robert Fratto	a237444f0d	refactor(dataobj): invert dependency between dataobj and sections (#17762 ) Originally, the dataobj package was a higher-level API around sections. This design caused it to become a bottleneck: * Implementing any new public behaviour for a section required bubbling it up to the dataobj API for it to be exposed, making it tedious to add new sections or update existing ones. * The `dataobj.Builder` pattern was focused on constructing dataobjs for storing log data, which will cause friction as we build objects around other use cases. This PR builds on top of the foundation laid out by #17704 and #17708, fully inverting the dependency between dataobj and sections: * The `dataobj` package has no knowledge of what sections exist, and can now be used for writing and reading generic sections. Section packages now create higher-level APIs around the abstractions provided by `dataobj`. * Section packages are now public, and callers interact directly with these packages for writing and reading section-specific data. * All logic for a section (encoding, decoding, buffering, reading) is now fully self-contained inside the section package. Previously, the implementation of each section was spread across three packages (`pkg/dataobj/internal/encoding`, `pkg/dataobj/internal/sections/SECTION`, `pkg/dataobj`). * Cutting a section is now a decision made by the caller rather than the section implementation. Previously, the logs section builder would create multiple sections. For the most part, this change is a no-op, with two exceptions: 1. Section cutting is now performed by the caller; however, this shouldn't result in any issues. 2. Removing the high-level `dataobj.Stream` and `dataobj.Record` types will temporarily reduce the allocation gains from #16988. I will address this after this PR is merged.	10 months ago
Christian Haudum	cbb5be6d57	feat(engine): Implements predicate mapping for DataObjScan (#17621 ) This is an initial implementation of `buildLogsPredicate(expr physical.Expression) (dataobj.LogsPredicate, error)`. While there have been discussions about bypassing this approach in favor of directly using `dataset.Reader` and `dataset.Predicate`, this PR provides essential supported functionality to unblock progress in the interim. Specifically, it handles mapping common timestamp and metadata equality predicates. Signed-off-by: Christian Haudum <christian.haudum@gmail.com> Co-authored-by: Owen Diehl <ow.diehl@gmail.com>	10 months ago
Robert Fratto	4841b2abe2	chore(engine): provide basic implementation of DataObjScan (#17568 ) Co-authored-by: Ashwanth Goli <iamashwanth@gmail.com>	10 months ago

Author

SHA1

Message

Date

Robert Fratto

a237444f0d

refactor(dataobj): invert dependency between dataobj and sections (#17762 )

Originally, the dataobj package was a higher-level API around sections. This
design caused it to become a bottleneck:

* Implementing any new public behaviour for a section required bubbling it up
  to the dataobj API for it to be exposed, making it tedious to add new
  sections or update existing ones.

* The `dataobj.Builder` pattern was focused on constructing dataobjs for
  storing log data, which will cause friction as we build objects around other
  use cases. 

This PR builds on top of the foundation laid out by #17704 and #17708, fully
inverting the dependency between dataobj and sections:

* The `dataobj` package has no knowledge of what sections exist, and can now be
  used for writing and reading generic sections. Section packages now create
  higher-level APIs around the abstractions provided by `dataobj`.

* Section packages are now public, and callers interact directly with these
  packages for writing and reading section-specific data.

* All logic for a section (encoding, decoding, buffering, reading) is now fully
  self-contained inside the section package. Previously, the implementation of
  each section was spread across three packages
  (`pkg/dataobj/internal/encoding`, `pkg/dataobj/internal/sections/SECTION`,
  `pkg/dataobj`).

* Cutting a section is now a decision made by the caller rather than the
  section implementation. Previously, the logs section builder would create
  multiple sections. 

For the most part, this change is a no-op, with two exceptions:

1. Section cutting is now performed by the caller; however, this shouldn't
   result in any issues. 

2. Removing the high-level `dataobj.Stream` and `dataobj.Record` types will
   temporarily reduce the allocation gains from #16988. I will address this after
   this PR is merged.

10 months ago

Christian Haudum

cbb5be6d57

feat(engine): Implements predicate mapping for DataObjScan (#17621 )

This is an initial implementation of `buildLogsPredicate(expr physical.Expression) (dataobj.LogsPredicate, error)`. While there have been discussions about bypassing this approach in favor of directly using `dataset.Reader` and `dataset.Predicate`, this PR provides essential supported functionality to unblock progress in the interim. Specifically, it handles mapping common timestamp and metadata equality predicates.

Signed-off-by: Christian Haudum <christian.haudum@gmail.com>
Co-authored-by: Owen Diehl <ow.diehl@gmail.com>

10 months ago

Robert Fratto

4841b2abe2

chore(engine): provide basic implementation of DataObjScan (#17568 )

Co-authored-by: Ashwanth Goli <iamashwanth@gmail.com>

10 months ago

3 Commits (efaafd2f6cd300c028acff65bb9cdfb8b367c100)