hardwood good first issues (Java)

cli: extend --log-file to non-interactive commands 1 day ago

help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Defend the decode path against unbounded value-count expansion (RLE/dictionary encodings) 3 days ago

bug help wanted security

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Harden against malicious/corrupted page headers 3 days ago

help wanted security

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

cli: `hardwood footer` magic-byte lines misaligned by one column 9 days ago

bug help wanted good first issue cli

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Bound collection sizes in the Thrift metadata readers (list header size drives allocation unvalidated) 20 days ago

bug help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: show the current row group in the Data preview about 1 month ago

enhancement help wanted good first issue cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: Goto row N in Data preview about 2 months ago

help wanted good first issue cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Name the predicate in the Filter JFR events, with literals elided about 2 months ago

enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Nothing asserts the footer's column_orders, which is what makes min_value/max_value trustworthy about 2 months ago

enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Interop gate covers the named encodings at one nullability out of four about 2 months ago

enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: exact nested shape from decoded levels (list-length distribution, null clustering) about 2 months ago

enhancement help wanted cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: help overlay is not scrollable, so its lower content is unreachable on a short terminal 2 months ago

bug help wanted good first issue cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: the column chunk detail's `Size statistics` row restates the drill menu 2 months ago

enhancement help wanted good first issue cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Avro GenericRecord support in parquet-java-compat 2 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

cli: byte sizes labelled KB/MB/GB but computed as KiB/MiB/GiB 2 months ago

bug help wanted good first issue cli

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

cli: `hardwood footer` should show the aggregates dive's Footer screen does 3 months ago

enhancement help wanted good first issue cli

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

cli: surface file key-value metadata from `hardwood info` 3 months ago

enhancement help wanted good first issue cli

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

cli: close the remaining `inspect` / dive parity gaps (page offsets, uncompressed, index presence, column pivot) 3 months ago

enhancement help wanted cli

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

cli: `schema -F AVRO` emits invalid JSON for names needing escaping 3 months ago

bug help wanted good first issue cli

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

print -s 0 omits the table bottom border 3 months ago

bug help wanted good first issue cli

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

print --no-truncate silently drops rows whose cells are all empty 3 months ago

bug help wanted good first issue cli

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Bloom filter push-down forfeits ±0 pruning on FLOAT/DOUBLE columns 3 months ago

documentation enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Floor `print --max-width` at the widest indivisible glyph (min-content width) 3 months ago

enhancement help wanted good first issue cli

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: data preview wastes horizontal space between columns 3 months ago

help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

feat(reader): head() and firstRow() parity for ColumnReaderBuilder and ColumnReadersBuilder 3 months ago

enhancement help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

cli: go up/down through non actionable fields in data preview modal 3 months ago

help wanted good first issue cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Parse SizeStatistics and NaN counts (unencoded byte size, level histograms, nan_count) 3 months ago

enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Add change point detection to CI 4 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Add Hardwood TUI to awesome-tuis 4 months ago

help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Extend DifferentialValueTest to cover OPTIONAL columns (null-decode path) 4 months ago

enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Provide clearer error message when opening a non-existent file 5 months ago

help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Publish a Docker image for the hardwood CLI 5 months ago

help wanted cli

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: per-column encoding-mix aggregation 5 months ago

enhancement help wanted cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

gzip_compressed.parquet is not byte-reproducible from simple-datagen.py 5 months ago

bug help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: '/' search on Column chunks and Column-across-RGs 5 months ago

help wanted good first issue cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Create a logo 5 months ago

help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Run performance tests with compact object headers (Java 25) 5 months ago

help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Wide-character alignment in hardwood print (StreamedTable + transpose mode) 5 months ago

help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Add DELTA_BYTE_ARRAY + FIXED_LEN_BYTE_ARRAY test fixture 5 months ago

enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Pin multi-file boundary cells in BuilderCombinationTest (skip + tail) 5 months ago

enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

feat(build): enforce no-var rule mechanically 5 months ago

enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: screenshots in docs/content/cli.md 5 months ago

documentation help wanted cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Recognize the NullType (case 11) logical type annotation 5 months ago

enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Add file-name enrichment to nested-container accessors (PqStruct, PqList, PqMap, PqVariant) 5 months ago

enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: show frequency per dictionary entry 5 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive: surface IOExceptions in DataPreviewScreen.loadPage as an error overlay 5 months ago

help wanted good first issue cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Expose bloom filter length on ColumnChunk 5 months ago

good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

cli: help text cut off in dive 6 months ago

help wanted good first issue cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

PqList element access: missing INTERVAL/FLOAT16/VARIANT accessors and incorrect raw/converted doc 6 months ago

bug enhancement help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

hardwood convert: support --rows option like print 6 months ago

good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Display version info (tag + commit SHA) in the CLI 6 months ago

help wanted good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Limit the set of performance tests run on CI 6 months ago

good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Support geospatial statistics and bounding box metadata 6 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Audit toLowerCase()/toUpperCase() calls for locale safety 6 months ago

good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

SignedBinaryColumnPredicate accepts any FIXED_LEN_BYTE_ARRAY column, not just DECIMAL 6 months ago

good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Tests dont pass for non-US kind of locale 6 months ago

good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Support MAP and LIST variants in LogicalType union 6 months ago

good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

dive TUI: inconsistent dim/bright treatment across panes; investigate unified theme rule 6 months ago

enhancement help wanted dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

ZStd support in cli native image 6 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Website version selector and footer SHA issues for tagged releases 6 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

CLI: render INTERVAL columns as a human-readable duration instead of raw bytes 6 months ago

good first issue cli dive

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Support GEOMETRY and GEOGRAPHY logical types 6 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Render inspect dictionary output in tabular form 6 months ago

good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

MappedByteBuffer never explicitly unmapped 6 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Reproducible native CLI distribution 6 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Support FLOAT16 logical type 6 months ago

good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Set up analytics for website 6 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Evaluate alternatives to MkDocs 1.x for documentation site 6 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Integration test: parse Parquet files produced by DuckDB 6 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Documentation improvements: troubleshooting, migration guide, release notes, diagram 6 months ago

help wanted

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

Support INTERVAL logical type 6 months ago

good first issue

hardwood-hq/hardwood

318

A fast minimal dependency implementation of Apache Parquet

Java

#apache-parquet#columnar-format#hardwood#parquet#parquet-tools#performance

hardwood-hq/hardwood

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