Group: GitHub Dfa1 Vortex

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Reader for the Vortex columnar file format. Zero-copy memory-mapped reads via the Java FFM API (Java 25+), no JNI, no sun.misc.Unsafe.

Writer for the Vortex columnar file format. Produces compressed columnar files readable by any Vortex implementation.

Core encoding/decoding library for the Vortex columnar file format. Zero-copy memory-mapped reads via the Java FFM API (Java 25+), no JNI, no sun.misc.Unsafe.

Inspector for the Vortex columnar file format. Produces a structural tree model of a file's schema, layout, and encodings, plus text and FFM-based ANSI TUI renderers.

Parquet conversion support for the Vortex columnar file format.

CSV import/export support for the Vortex columnar file format.

Apache Calcite SQL adapter over the Vortex columnar file format (demo: filter/project/aggregate push-down).

Bill of Materials for vortex-java. Import this POM in dependencyManagement to get consistent versions of all vortex-java modules.

Command-line interface for the Vortex columnar file format.

Build-time .fbs (FlatBuffers schema) to MemorySegment-native Java code generator. Not published.

Integration tests for the Vortex columnar file format Java implementation.

Pure-Java reader/writer for the Vortex columnar file format. Zero-copy memory-mapped reads via the Java FFM API (Java 25+), no JNI, no sun.misc.Unsafe.

JDBC import support for the Vortex columnar file format.

JMH benchmarks for the Vortex columnar file format Java implementation.

Build-time .proto to MemorySegment-native Java code generator. Not published.