21.0.0

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21.0.0 (2023-03-24)

Full Changelog

Breaking changes:

• Support arbitrary user defined partition column in ListingTable (rather than assuming they are always Dictionary encoded) #5545 (crepererum)
• Use TableReference for TableScan #5615 (alamb)
• Update the type of param_values to &[ScalarValue] in function replace_params_with_values #5640 (HaoYang670)

Implemented enhancements:

• feat: extract (epoch from col) #5555 (Weijun-H)
• INSERT INTO support for MemTable #5520 (metesynnada)
• Memory limited nested-loop join #5564 (korowa)
• Timestamp subtraction and interval operations for ScalarValue #5603 (berkaysynnada)
• Substrait: Add cast expression with bool, integers and decimal128 support #5137 (nseekhao)
• Support date_bin with 2 arguments #5643 (Weijun-H)
• improve: support combining multiple grouping expressions #5559 (yukkit)
• Substrait: Add support for WindowFunction #5653 (nseekhao)
• feat: date_bin supports MonthDayNano, microsecond and nanosecond units #5698 (stuartcarnie)
• Handle serialization of TryCast #5692 (thinkharderdev)

Fixed bugs:

• fix: failed to execute sql with subquery #5542 (MichaelScofield)
• fix: cast literal to timestamp #5517 (Weijun-H)
• fix dataframe only boolean/binary column got error on describe #5585 (jiangzhx)
• Median returns null on empty input instead of error #5624 (toppyy)
• add CountWildcardRule to fix error on Count(Expr:Wildcard) with DataFrame API #5627 (jiangzhx)
• fix: correct CountWildcardRule and move analyzer into a new directory. #5671 (jackwener)

Documentation updates:

• Minor: improve docstrings for ObjectStoreRegistry and ObjectStoreProvider #5577 (alamb)
• Clarify differences of DataFusion with other systems in README.md #5578 (alamb)
• Minor: Document docs build process #5687 (alamb)

Merged pull requests:

• Refactor DecorrelateWhereExists and add back Distinct if needs #5345 (ygf11)
• Simplify simplify test cases, support ^, &, |, << and >> operators for building exprs #5511 (alamb)
• minor: improve sqllogictest docs #5553 (alamb)
• Remove unused dependencies found by cargo-machete #5552 (Jefffrey)
• make AggregateStatistics return the same result whether optimizer disabled or enabled #5485 (jiangzhx)
• Avoid circular(ish) dependency parquet-test-utils on datafusion, try 2 #5536 (alamb)
• Enforce ambiguity check whilst normalizing columns #5509 (Jefffrey)
• Generated changelog for 20.0.0 #5563 (andygrove)
• fix: failed to execute sql with subquery #5542 (MichaelScofield)
• Revert describe count() workaround #5556 (Jefffrey)
• fix: cast literal to timestamp #5517 (Weijun-H)
• feat: extract (epoch from col) #5555 (Weijun-H)
• Minor: improve docstrings for ObjectStoreRegistry and ObjectStoreProvider #5577 (alamb)
• Minor: Move RuntimeEnv to datafusion_execution #5580 (alamb)
• INSERT INTO support for MemTable #5520 (metesynnada)
• Minor: restore explicit match to help avoid subtle bugs in the future when new Expr variants are added #5579 (alamb)
• refactor: add more error info when array is empty #5560 (Weijun-H)
• Memory limited nested-loop join #5564 (korowa)
• Support catalog.schema.table.column in SQL SELECT and WHERE #5343 (Jefffrey)
• Minor: clean up aggregates.slt tests #5599 (alamb)
• Minor: Port more aggregate tests to sqllogictests #5574 (alamb)
• Add a utility function to get all of the PartitionedFile for an ExecutionPlan #5572 (yahoNanJing)
• minor: port some join tests to sqllogictests #5567 (ygf11)
• Support arbitrary user defined partition column in ListingTable (rather than assuming they are always Dictionary encoded) #5545 (crepererum)
• feat: add the similar optimization function for bitwise negative #5516 (izveigor)
• Clarify differences of DataFusion with other systems in README.md #5578 (alamb)
• Minor: Add more documentation about table_partition_columns #5576 (alamb)
• Add Analyzer phase to DataFusion , add basic validation logic to Subquery Plans and Expressions #5570 (mingmwang)
• Use TableReference for TableScan #5615 (alamb)
• Preserve casts in rewrite_sort_cols_by_aggs #5611 (mpurins-coralogix)
• Miscellaneous ArrayData Cleanup #5612 (tustvold)
• Update substrait requirement from 0.4 to 0.5 #5620 (dependabot[bot])
• Do not break pipeline for window queries with GROUPS #5587 (mustafasrepo)
• fix dataframe only boolean/binary column got error on describe #5585 (jiangzhx)
• Minor: Add Documentation and Examples to TableReference #5616 (alamb)
• [FOLLOWUP] eliminate the duplicated sort keys in Order By clause #5607 (mingmwang)
• Update default behaviour of compression algorithms (support multistreams) #5629 (metesynnada)
• Timestamp subtraction and interval operations for ScalarValue #5603 (berkaysynnada)
• Use modulus dyn kernels for arithmetic expressions #5634 (viirya)
• Minor: reduce cloning in infer_placeholder_types #5638 (alamb)
• Move SessionConfig to datafusion_execution #5581 (alamb)
• Update the type of param_values to &[ScalarValue] in function replace_params_with_values #5640 (HaoYang670)
• WITH ORDER support on CREATE EXTERNAL TABLE #5618 (metesynnada)
• Median returns null on empty input instead of error #5624 (toppyy)
• feat: Memory limited merge join #5632 (korowa)
• Update rstest requirement from 0.16.0 to 0.17.0 #5648 (dependabot[bot])
• add CountWildcardRule to fix error on Count(Expr:Wildcard) with DataFrame API #5627 (jiangzhx)
• Add OuterReferenceColumn to Expr to represent correlated expression #5593 (mingmwang)
• Minor: Simplify Result<T, DataFusionError> #5659 (comphead)
• minor: remove redundant DataFusionError and fix clippy #5669 (jackwener)
• Substrait: Add cast expression with bool, integers and decimal128 support #5137 (nseekhao)
• Support date_bin with 2 arguments #5643 (Weijun-H)
• Add LogicalPlanSignature and use in the optimizer loop #5623 (mslapek)
• fix: correct CountWildcardRule and move analyzer into a new directory. #5671 (jackwener)
• refactoring: added tests and fixed comments in "math_expressions" #5656 (izveigor)
• improve: support combining multiple grouping expressions #5559 (yukkit)
• community: polish issue template #5668 (jackwener)
• minor: correct issue template #5679 (jackwener)
• Change ObjectStoreRegistry from struct to trait to provide polymorphism #5543 (yahoNanJing)
• Minor: Add Extensions::new() #5676 (alamb)
• minor: add with_plan for Subquery #5680 (jackwener)
• minor: reduce replication in date_bin implementation #5673 (alamb)
• Fixes #5500 - Add a GitHub Actions workflow that builds the docs #5670 (martin-g)
• Minor: port some content to the docs #5684 (alamb)
• Docs: Add logo back to sidebar #5688 (alamb)
• Substrait: Add support for WindowFunction #5653 (nseekhao)
• Add -o option to all e2e benches #5658 (jaylmiller)
• create table default to null #5606 (Weijun-H)
• Minor: Document docs build process #5687 (alamb)
• Minor: change doc formatting to force a republish #5702 (alamb)
• Move TaskContext to datafusion-execution #5677 (alamb)
• feat: date_bin supports MonthDayNano, microsecond and nanosecond units #5698 (stuartcarnie)
• Return plan error when adding utf8 and timestamp #5696 (Weijun-H)
• Handle serialization of TryCast #5692 (thinkharderdev)
• analyzer: move InlineTableScan into Analyzer. #5683 (jackwener)
• minor: Add doc comments to clarify what Analyzer is for #5705 (alamb)