Trouble with Delta Lake protocol

Data engineering4 posts from 4 people4d active+22 posts in the last 7 days, 0 the 7 days before (rising)

Posts per day4 posts, Aug 31 to Sep 25

The posts behind it

4, newest first

Post	Where	Date
[PROTOCOL RFC] Invisible Columns## Protocol Change Request ### Description of the protocol change Propose a writer-only table feature, `invisibleColumns`, for row data that should be available through explicit references while remaining absent from the visible table schema and default query output. Examples...delta-io/deltashlokj	delta-io/deltashlokj	Sep 24yesterday
[PROTOCOL RFC] Add DECFLOAT data types## Protocol Change Request ### Description of the protocol change This proposal adds two IEEE 754 decimal floating-point types to the Delta schema: - `decfloat(16)`, supporting up to 16 significant decimal digits. - `decfloat(34)`, supporting up to 34 significant decimal digits....delta-io/deltacostas-db	delta-io/deltacostas-db	Sep 223 days ago
[PROTOCOL RFC] Concurrent Identity Columns (CIC)## Protocol Change Request ### Description of the protocol change This protocol change introduces a new writer-only table feature called `concurrentIdentityColumns`, which lets many writers generate identity values for the same table in parallel. Today an [Identity...delta-io/deltamkroll-db	delta-io/deltamkroll-db1 reactions	Sep 13 weeks ago
[PROTOCOL RFC] User-Defined Types (UDT)...exist in tables written by earlier clients - and a reader that rejects the unknown type fails to read the entire table, even for a `SELECT` of unrelated columns. A `udt` introduces no new physical representation: it is an engine-specific annotation over an existing physical type...delta-io/deltasanujbasu	delta-io/deltasanujbasu	Aug 313 weeks ago

Companies and products named

Company or product	Posts naming it
Delta Lake	4
GitHub	2
IEEE	1

About this problem

Evidence

4 posts from 4 people in 1 place, about 1 a week over 25 days. Mostly on delta-io/delta. Tools named alongside: GitHub, IEEE.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts about Delta Lake with no known issue, sharing the word "protocol". First post Aug 31, 2026, latest Sep 24, 2026. Corroborated: 3 or more posts from 2 or more people or places. Method

Posts per day

The posts behind it

Companies and products named

Rising problems by email