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DuckDB 1.3 ドキュメント 全文検索
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- R-Tree Indexes – DuckDB 11384
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...significantly. How Do R-Tree Indexes Work? An R-tree is a balanced tree data structure that stores the approximate minimum bounding rectangle of each geometry (and the internal ID of the corresponding row) in the leaf nodes, and the bounding rectangle en...closing all of the child nodes in each internal node. The minimum bounding rectangle (MBR) of a geometry is the smallest rectangle that completely encloses the geometry. Usually when we talk about...the bounding rectangle of a geometry (or the bounding "box" in the context of 2D geometry), we mean the minimum bounding rectangle. Add... - https://man.mtool.work/duckdb/1.3/core_extensions/spatial/r-tree_indexes.html
- Spatial Functions – DuckDB 9636
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...their "path" in the original geometry. ST_EndPoint Returns the end point of a LINESTRING. ST_Envelope Returns the minimum bounding rectangle of a geometry as a polygon geometry ST_Equals Returns true if the geometries are "equal" ST_Extent Returns the m...inimal bounding box enclosing the input geometry ST_Extent_Approx Returns the approximate bounding box of a geometry, if available. ST_Ext...put geometry has Z values. ST_Hilbert Encodes the X and Y values as the hilbert curve index for a curve covering the given bounding box. ST_Intersection Returns the intersection of two geometries ST_Intersects Returns true if the geometries intersect ST_... - https://man.mtool.work/duckdb/1.3/core_extensions/spatial/functions.html
- GDAL Integration – DuckDB 6864
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...patial vector formats through a GDAL based COPY function. For example, to export a table to a GeoJSON file, with generated bounding boxes, you can use the following query: COPY table TO 'some/file/path/filename.geojson' WITH ( FORMAT gdal , DRIVER 'GeoJS... - https://man.mtool.work/duckdb/1.3/core_extensions/spatial/gdal.html
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