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Feature #57

Extend use of Annotations to improve transparency of deferral based optimisations

Added by Andrae Muys - over 15 years ago. Updated over 15 years ago.

Status:
New
Priority:
High
Assignee:
Category:
Mulgara
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:
Resolution:

Description

[[ReresolvableResolution]] needs to be removed and replaced with an Annotation.
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All Major Tuples that provide operations on Tuples need to be modified to provide aggregated access to their operands annotations when their operands provide them.
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As a longer term goal we should rephrase the annotations in terms of complexity estimates for reordering/sorting/etc operations as well as constraints on join ordering to permit more nuanced optimisation of joins - this however needs to wait until we are fully exploiting the capabilities of the existing annotations.

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