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Copy file name to clipboardExpand all lines: docs/source/user_guide/global_index.rst
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@@ -26,6 +26,7 @@ Paimon supports multiple global index types:
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- **BTree Index**: An efficient index based on multi-level SST files for scalar column lookups.
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- **Range Bitmap Index**: A range bitmap index optimized for range predicates on ordered scalar columns. Extends the bitmap approach by encoding value ordering, enabling efficient less-than, greater-than, and range conditions.
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- **Lucene Index**: A full-text search index powered by Lucene++. Supports tokenized text search with multiple modes including match-all, match-any, phrase, prefix, and wildcard queries.
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- **Vector Index (Lumina)**: An approximate nearest neighbor (ANN) index powered by Lumina for vector similarity search with configurable distance metrics.
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Global indexes work on top of Data Evolution tables. To use global indexes, your table must have:
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@@ -85,3 +86,10 @@ search modes including match-all, match-any, phrase, prefix, and wildcard querie
- **Description**: Specifies the directory containing Jieba dictionary files for Chinese text tokenization. At runtime, the system first checks this environment variable; if not set, it falls back to the compile-time ``JIEBA_TEST_DICT_DIR`` macro (only available in test builds). If neither is available, will fail with an error.
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Vector Index (Lumina)
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---------------------
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An approximate nearest neighbor (ANN) index powered by Lumina for vector similarity search.
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It supports high-dimensional vector search with configurable distance metrics and encoding strategies.
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For more configurations, refer to the ``docs/reference`` directory in the Lumina release package.
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