Add SQL histogram and date_histogram bucket functions - #5700

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RyanL1997 wants to merge 12 commits into

opensearch-project:mainfrom

RyanL1997:sql-explore/sql-histogram

Commits on Aug 17, 2026

Add SQL histogram and date_histogram bucket functions

RyanL1997
and
varun-st
committed
6573786
Defer every unlowerable bucket call to the legacy engine
RyanL1997
committed
cc420ab

Commits on Aug 18, 2026

Make the bucket-function ITs behave the same with and without analytics engine
RyanL1997
committed
7072d03
Gate the legacy-only bucket tests behind a capability instead of dropping them
RyanL1997
committed
510eaaf

Commits on Aug 19, 2026

Commits on Aug 20, 2026

Fold the bucket argument checks into the visitor
RyanL1997
committed
3f6b51c
Drop an unreachable bucket argument name
RyanL1997
committed
7950169