Data and AI struggles

1,730 problems · 342 companies

Data engineering

Trouble with Delta Lake protocol

4 posts from 4 people4d activeFading, +0 this week

Posts per day

Posts per day4 posts, Aug 31 to Nov 9

The posts behind it

GitHub issuesdelta-io/delta · shlokjSep 24

[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...

GitHub issuesdelta-io/delta · costas-dbSep 22

[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....

GitHub issuesdelta-io/delta · mkroll-dbSep 1

[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...

1 reactions
GitHub issuesdelta-io/delta · sanujbasuAug 31

[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...

Companies and products named

4 posts
2 posts
1 post
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

Other Delta Lake problems

Delta Lake users keep filing bugs

Top post: "version.sbt should be updated since 4.4.0 is out", one of 6 posts from 6 people on GitHub issues.

Delta Lake upgrades break working setups

2 posts from 2 people on GitHub issues. Unverified.

History

Momentum went from rising to fading.

Oct 2, 2026

First seen with 4 posts; the top post now: "Concurrent Identity Columns (CIC)".

Sep 25, 2026