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Add a generic function compiler to handle IGNORE NULLS in window functions - #429
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hovaesco
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Please squash commits and rebase on master. |
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Took a couple of tries but done now :P |
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Add a generic function compiler to handle IGNORE NULLS in window functions.
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just reworded the commit message for release note's sake. Merging. |
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This doesn't benefit us at all (it's designed to avoid the compilation overhead when executing the same SQL over and over) and it leads to warnings when we execute clause elements whose caching behaviour has not be explicitly defined. We're getting a warning here now because we've just updated to Trino v0.328.0 which includes this PR: * trinodb/trino-python-client#429 This defines a compiler for the `Lag` clause which (because it is not restricted to a specific dialect) ends up being used by SQLite and triggering the warning.
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Description
Adds a simple compiler method for using the
IGNORE NULLSfunctionality of window functions in Trino. I implemented this privately in a package for work but figured I could generalize it and add it to the package as a whole :)Non-technical explanation
Release notes
( ) This is not user-visible or docs only and no release notes are required.
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