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Remove deprecated two-argument subtract(precision_timestamp_tz, interval_year) overload

extension

Status: Open.

#1166 In substrait-io/substrait;

· nielspardon opened on Aug 7, 2026

Proposal: a relation conformance corpus — machine-checkable relation derivation and execution semantics in the spec repo

enhancementNew feature or requestNew feature or request

spec

Status: Open.

#1164 In substrait-io/substrait;

· nielspardon opened on Aug 4, 2026

Support dynamic schemas: propagate unreferenced source columns through a plan (runtime column propagation)

Status: Open.

#1163 In substrait-io/substrait;

· nielspardon opened on Aug 3, 2026

Function signature grammar cannot express a zero-argument function

Status: Open.

#1162 In substrait-io/substrait;

· nielspardon opened on Aug 3, 2026

Consolidate duplicated extension YAML discovery and traversal helpers in tests

good first issueGood for newcomersGood for newcomers

pythonPull requests that update Python codePull requests that update Python code

Status: Open.

#1161 In substrait-io/substrait;

· nielspardon opened on Aug 3, 2026

Add impl-level descriptions to the interval arithmetic functions in functions_datetime.yaml

documentationImprovements or additions to documentationImprovements or additions to documentation

extension

good first issueGood for newcomersGood for newcomers

Status: Open.

#1157 In substrait-io/substrait;

· nielspardon opened on Jul 31, 2026

precision_timestamp_tz is documented as "timezone-aware" but carries no timezone

documentationImprovements or additions to documentationImprovements or additions to documentation

spec

Status: Open.

#1156 In substrait-io/substrait;

· nielspardon opened on Jul 31, 2026

test: turn extension test coverage into a report instead of a hard gate

enhancementNew feature or requestNew feature or request

help wantedNo one is currently implementing but it seems like a good ideaNo one is currently implementing but it seems like a good idea

Status: Open.

#1155 In substrait-io/substrait;

· nielspardon opened on Jul 31, 2026

docs: dependency aliases cannot actually prefix type variation names

documentationImprovements or additions to documentationImprovements or additions to documentation

extension

good first issueGood for newcomersGood for newcomers

Status: Open.

#1152 In substrait-io/substrait;

· nielspardon opened on Jul 31, 2026

Spec contradicts itself on arguments and output_type for non-INITIAL_TO_RESULT aggregation phases

Status: Open.

#1151 In substrait-io/substrait;

· nielspardon opened on Jul 30, 2026

extensions: quantile return type uses a plain any, which cannot be bound

Status: Open.

#1150 In substrait-io/substrait;

· nielspardon opened on Jul 30, 2026

LateralJoinRel.rel_anchor is reserved for the left row, so its output row cannot be named by an id-based outer reference

Status: Open.

#1146 In substrait-io/substrait;

· nielspardon opened on Jul 29, 2026