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design vectorized aggregation functions #14217

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qw4990 opened this issue Dec 25, 2019 · 0 comments
Open

design vectorized aggregation functions #14217

qw4990 opened this issue Dec 25, 2019 · 0 comments
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help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. type/enhancement The issue or PR belongs to an enhancement.

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@qw4990
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qw4990 commented Dec 25, 2019 •
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Description

All our aggregation functions (in executor/aggfuncs/aggfuncs.go) used by the execution engine are row-based.
We can vectorize them to improve their performance like what we do for all scalar functions.

Difficulty

  • Medium

Score

  • 3000

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Recommended Skills

  • Go programming
@qw4990 qw4990 added the type/enhancement The issue or PR belongs to an enhancement. label Dec 25, 2019
@sre-bot sre-bot added the PCP-S1 label Dec 25, 2019
@SunRunAway SunRunAway added the help wanted Denotes an issue that needs help from a contributor. Must meet "help wanted" guidelines. label Dec 25, 2019
@SunRunAway SunRunAway mentioned this issue Jan 19, 2020
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@you06 you06 changed the title PCP: design vectorized aggregation functions design vectorized aggregation functions Feb 29, 2020
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