Parameterized query plans#5261
Draft
joshua-spacetime wants to merge 2 commits into
Draft
Conversation
joshua-spacetime
force-pushed
the
joshua/query-plan-params
branch
from
743e8c9 to
b8631b8
Compare
joshua-spacetime
force-pushed
the
joshua/query-plan-params
branch
from
b8631b8 to
c72b1a8
Compare
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Description of Changes
Makes runtime parameters explicit in query plans (prerequisite for parameterized views).
As part of this change,
senderis no longer baked directly into query plans as a literal value. Instead it's represented as a parameter in the query plan. Values are supplied at runtime via a variable environmentBindEnv.Important Notes
Changed subscription fragments to store physical plans instead of
PipelinedProjects, because fragments may contain runtime params and must bind per subscription instance.:sendercan also bind asbytesto preserve legacy filters that compare sender to byte columns.Deferred
BindEnvdirectly to the executable instead of producing an intermediate bound physical plan.API and ABI breaking changes
N/A
Expected complexity level and risk
...
Testing
Existing coverage