Have PgExecutor intelligently share connections - #3192

Merged

benjie merged 26 commits into

graphile:nextfrom

benjaie:pg-executor-connection-sharing

Sep 25, 2026

Commits on Sep 25, 2026

Sol's approach
benjaie
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c7dc0e7
Group by _signature_, not by text
benjaie
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d664617
Simplification
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c75bc37
More efficient searching across sets
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d9c60f0
Warning about ever-growing signatures/affinities
benjaie
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dfdcc47
Faster comparison
benjaie
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66ba367
Eliminate max queue size; introduce max queues
benjaie
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16fe110
Only need affinity for steps that have been cloned
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4e1e143
Track names separately from signatures
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e899879
Make properties non-optional
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955916e
Make maxClientQueues configurable
benjie
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872a8e5
Tweak takePending
benjie
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ddccd7c
These args aren't really optional
benjie
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32a8c3e
Don't abstract over nextTick, just use queueMicrotask
benjie
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d7d7aa2
Simplify _executeQueued
benjie
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ed07eb5
Refactor more
benjie
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e975a76
Avoid doing an extra loop and grab
benjie
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e25b6a3
More required arguments
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c24e187
Tidy up drain
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770adc5
Lint
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c4e7038
More lint fixes
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bb930d0
Still add the signatures to the queue even if not adding the item
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d59a3b9
Update SQL snapshots
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452d37e
Make test less flaky
benjaie
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a9492b8
docs(changeset): Use queueMicrotask for easy cross-platform compatibility
benjie
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85a3d1c
docs(changeset): PgExecutor now groups similar queries and runs them through the same connection, reducing the overhead from multiple transaction handshakes and making better use of prepared statem…
benjie
committed
e8709d1

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Have PgExecutor intelligently share connections - #3192

Have PgExecutor intelligently share connections#3192
benjie merged 26 commits into
graphile:nextfrom
benjaie:pg-executor-connection-sharing

Commits on Sep 25, 2026

Sol's approach

Group by _signature_, not by text

Simplification

More efficient searching across sets

Warning about ever-growing signatures/affinities

Faster comparison

Eliminate max queue size; introduce max queues

Only need affinity for steps that have been cloned

Track names separately from signatures

Make properties non-optional

Make maxClientQueues configurable

Tweak takePending

These args aren't really optional

Don't abstract over nextTick, just use queueMicrotask

Simplify _executeQueued

Refactor more

Avoid doing an extra loop and grab

More required arguments

Tidy up drain

Lint

More lint fixes

Still add the signatures to the queue even if not adding the item

Update SQL snapshots

Make test less flaky

docs(changeset): Use queueMicrotask for easy cross-platform compatibility

docs(changeset): PgExecutor now groups similar queries and runs them through the same connection, reducing the overhead from multiple transaction handshakes and making better use of prepared statem…