SpacetimeDB

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joshua-spacetime a2ca083c48 Add args column to view backing tables (#5300 )

# Description of Changes

Review #5287 first.

This patch updates view backing table schemas to have a single private
column `arg_hash`. Previously sender-scoped views had a `sender` column
for the calling identity, however now that's been replaced with a single
unified `arg_hash` column that encodes the calling identity within it.

When we add parameterized views, the view args will also be encoded in
this hash and stored in this column.

This column exists for both anonymous and sender scoped views meaning
that the backing tables for all views now have the same number of
private columns - one.

This hash is now used as a runtime variable that the query engine uses
to evaluate view table scans.

In order to keep the diff small, this patch does update view read sets
with this new hash value. That change has a larger blast radius and will
be done in the next set of changes.

# API and ABI breaking changes

N/A

# Expected complexity level and risk

2

# Testing

Existing coverage.

2026-06-16 02:51:49 +00:00

proptest-regressions

Be more careful about endianness with Identity and Address (#1926 )

2024-11-05 20:04:05 +00:00

src

Add args column to view backing tables (#5300 )

2026-06-16 02:51:49 +00:00

tests

Identifiers: Refactor + Improve type-safety & performance (#4177 )

2026-02-04 20:54:56 +00:00

build.rs

Fix Nix build by not using Git in Cargo build scripts (#3551 )