v1.2.848-nightly

What's Changed

Thoughtful Bug Fix 🔧

• fix: unable to get field on rank limit when rule_eager_aggregation applied by @KKould in #19007
• fix: pivot extra columns on projection by @KKould in #18994

Code Refactor 🎉

• refactor: bump crates arrow* and parquet to version 56 by @dantengsky in #18997

Others 📒

• chore(ut): support for const columns as input to function unit tests by @forsaken628 in #19009
• chore(query): enable to cache the previous python import directory for python udf by @sundy-li in #19003

Full Changelog: v1.2.847-nightly...v1.2.848-nightly