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Commits on Mar 14, 2022

• Centralization of tdigest aggregation code. (#10422)

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Commits on Mar 11, 2022

• Add scan_aggregation and reduce_aggregation derived types. (#10357)

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Commits on Jan 13, 2022

• Load balance optimization for contiguous_split (#9755)

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Commits on Jan 6, 2022

• Fixed issue with percentile_approx where output tdigests could have uninitialized data at the end. (#9931)

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Commits on Dec 9, 2021

• Fix an out-of-bounds read in validity copying in contiguous_split. (#9842)

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Commits on Nov 3, 2021

• Fix edge case in tdigest scalar generation for groups containing all nulls. (#9551)

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Commits on Nov 2, 2021

• Fix test failure with cuda 11.5 in row_bit_count tests. (#9581)

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Commits on Oct 27, 2021

• Fix several test and benchmark issues related to bitmask allocations. (#9521)

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Commits on Oct 18, 2021

• Improvements to tdigest aggregation code. (#9403)

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Commits on Sep 24, 2021

• Support for using tdigests to compute approximate percentiles. (#8983)

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Commits on Aug 19, 2021

• Fix compilation errors in groupby benchmarks. (#9072)

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• Add groupby_aggregation and groupby_scan_aggregation classes and force their usage. (#8906)

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Commits on Aug 6, 2021

• Don't unnecessarily read string offsets when doing concatenate overflow checking. (#8968)

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Commits on Jul 20, 2021

• Handle sliced struct/list columns properly in concatenate() bounds checking. (#8760)

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• Remove anonymous namespace from null_mask.cuh (#8786)

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• Handle arbitrarily different data in null list column rows when checking for equivalency. (#8666)

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Commits on Jul 19, 2021

• Handle sliced structs properly in pack/contiguous_split. (#8739)

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• Fix issue in slice() where columns with a positive offset were computing null counts incorrectly. (#8738)

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Commits on Jul 13, 2021

• Fix a crash in pack() when being handed tables with no columns. (#8697)

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Commits on Jun 30, 2021

• Fix for strings containing special JSON characters in get_json_object(). (#8556)

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Commits on Jun 16, 2021

• STRUCT column support for cudf::merge. (#8422)

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Commits on Jun 14, 2021

• Handle pre-sliced nested columns in contiguous_split. (#8391)

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Commits on May 27, 2021

• Handle nested column types properly for empty parquet files. (#8350)

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• Handle empty results with nested types in copy_if_else (#8359)

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Commits on May 24, 2021

• Do not add nulls to the hash table when null_equality::NOT_EQUAL is passed to left_semi_join and left_anti_join (#8277)

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• Refactor of rolling_window implementation. (#8158)

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Commits on May 19, 2021

• Add a flag for allowing single quotes in JSON strings. (#8144)

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Commits on May 18, 2021

• Support for struct scalars. (#8220)

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Commits on May 7, 2021

• Change aggregation class hierarchy to allow per-algorithm type enforcement. (#8052)

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Commits on Apr 7, 2021

• Fix declaration in empty lists concatenation test. (#7892)

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Commits on Mar 31, 2021

• get_json_object() implementation (#7286)

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Commits on Mar 30, 2021

• cudf::row_bit_count() support. (#7534)

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Commits on Mar 23, 2021

• Parquet reader: Fix issue when using skip_rows on non-nested columns containing nulls (#7627)

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Commits on Mar 10, 2021

• Fix contiguous_split not properly handling output partitions > 2 GB. (#7515)

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Commits on Feb 8, 2021

• Change block size parameter from a global to a template param. (#7333)

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