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feat: Support selectors as join predicates

13

### Is your feature request related to a problem? No ### Describe the solution you'd like I'd like to be able to use selectors to specify on which columns to...

coroa

refactor(compilers): figure out how to avoid generating projections for every union

1

We generate additional projections in unions after https://github.com/ibis-project/ibis/pull/5882. We should figure out how to avoid generating this. There's more context in the discussion, happy to answer any questions.

cpcloud

feat: add read_parquet support to MySQL, SQLite and Postgres via DuckDB

1

### Is your feature request related to a problem? _No response_ ### Describe the solution you'd like DuckDB has connectors for mysql, sqlite and postgres that allow reading and writing...

gforsyth

### Is your feature request related to a problem? _No response_ ### Describe the solution you'd like Similar to #8110, we can make use of the DuckDB connectors to the...

gforsyth

DuckDB now has support for reading MySQL tables using the `mysql` extension. To match our existing `con.read_sqlite`/`con.read_postgres` methods we should add a new `con.read_mysql` method. References: - https://duckdb.org/2024/01/26/multi-database-support-in-duckdb.html - https://duckdb.org/docs/extensions/mysql

jcrist

feat(flink): implement UDF support for the backend

3

### Is your feature request related to a problem? * I want to be able to execute the same UDFs that I can against other backends against the Flink backend....

deepyaman

feat: ibis.udf.analytic.builtin and ibis.udf.table.builtin to allow for more flexibility with engine-specific functions

2

### Is your feature request related to a problem? In the BigQuery DataFrames library we define several custom operations. These are mostly to expose BigQuery-specific SQL that didn't necessarily make...

tswast

ux: what are the semantics of window functions that occur after a group by?

2

### What happened? Not sure if this is a bug or I'm not understanding window functions properly, but I thought that when you group by and then mutate, it will...

wleescor

chore: rotate ibis bot keys

1

It's time to rotate the ibis project bots' keys.

ibis-squawk-bot[bot]

This optimization is overall pretty interesting, and perhaps generalizable to other backends that don't support offset and/or dynamic limit. Good follow-up fodder (though not necessary by any means.) _Originally posted...

kszucs