Results of 1 - 10 of about 24 for covers (0.002 sec.)
- Java (JDBC) Client 13344
- Installation To use the DuckDB Java (JDBC) client, visit the Java installation page . The latest stable version of the DuckDB Java (JDBC) client is 2.0.0. The DuckDB Java (JDBC) client lets Java applications query DuckDB through the standar
...talog directly from the JDBC URL. The driver also supports ahead-of-time compilation with GraalVM Native Image . This page covers installation; the other pages in this section cover connecting and each feature in detail. Installation The DuckDB Java JD...tSet rs = stmt.executeQuery("SELECT 42")) { rs.next(); System.out.println(rs.getInt(1)); // prints 42 } Define Connections covers the connection lifecycle in full: the URL forms the driver accepts, DuckDB and driver configuration options, read-only mod... - https://man.mtool.work/duckdb/2.0/clients/java/overview.html
- DuckDB Wasm Client 11459
- Installation To use the DuckDB Wasm client, visit the duckdb-wasm GitHub repository . The latest stable version of the DuckDB WebAssembly client is 2.0.0. DuckDB-Wasm is a version of DuckDB that has been compiled to WebAssembly , the portab
...API to fit different needs: embedded as a JavaScript + WebAssembly library used as a Web shell built from source This page covers installation and basic usage; the other pages in this section cover instantiating the client, importing data, running quer...mple below instantiates DuckDB-Wasm from a CDN bundle, opens a connection, runs a query, and reads the result. Instantiate covers the other ways to load the bundle, such as with webpack, Vite, or self-hosted files. Refer to the externally hosted DuckDB... - https://man.mtool.work/duckdb/2.0/clients/wasm/overview.html
- Overview 11459
- The pages in this section are intended for developers who contribute to DuckDB or build extensions for it. If you would like to contribute, please also read the contributing guidelines . Project Structure and Processes DuckDB Repositories l
...on different platforms and how to build extensions. Build Configuration lists the build types and options. Troubleshooting covers common build issues. Testing Testing gives an overview of how DuckDB is tested. sqllogictest Introduction introduces the s... - https://man.mtool.work/duckdb/2.0/dev/overview.html
- Spark API 10041
- The DuckDB Spark API implements the PySpark API , allowing you to use the familiar Spark API to interact with DuckDB. All statements are translated to DuckDB's internal plans using our relational API and executed using DuckDB's query engine
.... The functions it covers are tested against PySpark 4.2.0 and 3.5.9. Warning The DuckDB Spark API is experimental and receives bug fixes only: miss... - https://man.mtool.work/duckdb/2.0/clients/python/spark_api.html
- Spatial Functions 9574
- Function Index Scalar Functions Function Summary DuckDB_PROJ_Compiled_Version Returns a text description of the PROJ library version that this instance of DuckDB was compiled against. DuckDB_Proj_Version Returns a text description of the PR
...all geometries in a polygonal coverage into a single geometry. ST_CoveredBy Returns true if geom1 is "covered by" geom2 ST_Covers Returns true if the geom1 "covers" geom2 ST_Crosses Returns true if geom1 "crosses" geom2 ST_DWithin Returns if two geomet...Signature BOOLEAN ST_CoveredBy (geom1 GEOMETRY, geom2 GEOMETRY) Description Returns true if geom1 is "covered by" geom2 ST_Covers Signature BOOLEAN ST_Covers (geom1 GEOMETRY, geom2 GEOMETRY) Description Returns true if the geom1 "covers" geom2 ST_Cross... - https://man.mtool.work/duckdb/2.0/core_extensions/spatial/functions.html
- Run Queries 8623
- Overview DuckDB-Wasm provides functions for querying data. Queries are run sequentially: First, create a connection by calling connect . Then, run queries by calling query to materialize the whole result, or send to fetch result chunks lazi
...ly. This page covers running queries, prepared statements, converting results to JSON, and exporting to Parquet. Query Execution Use query() wh... - https://man.mtool.work/duckdb/2.0/clients/wasm/query.html
- Connect 8156
- Overview The Go client works through the standard database/sql types: a *sql.DB is a pool of connections to a DuckDB database. This page covers opening in-memory and file-backed databases, passing DuckDB configuration options, running initi
... - https://man.mtool.work/duckdb/2.0/clients/go/connecting.html
- Handle Results 8156
- Overview Beyond the standard JDBC ResultSet , the DuckDB driver can hand results to Apache Arrow , stream large results instead of materializing them, and expose raw columnar data chunks. This page covers each of these result-handling optio
... - https://man.mtool.work/duckdb/2.0/clients/java/result_handling.html
- Iceberg Extension 8156
- The iceberg extension implements support for the Apache Iceberg open table format . There are two ways to work with Iceberg in DuckDB: Individual tables are read directly from storage, by pointing at a table's metadata. This requires no cat
...tables are accessed by attaching an Iceberg REST catalog. This unlocks the full feature set, including writing. This page covers the basics of both. See also: Writing to Iceberg describes the supported write operations, partitioning and schema evoluti... - https://man.mtool.work/duckdb/2.0/core_extensions/iceberg/overview.html
- Appender 8156
- The Appender can be used to load bulk data into a DuckDB database. It is available in the C, C++, Go, Java, Julia, Node.js, Python, and Rust clients. This page describes how the Appender behaves across clients and shows a minimal example in
...ey "..." In this case, the entire append operation fails and no rows are inserted. Client APIs Each client's documentation covers its full Appender API, including constructors for non-default schemas and catalogs and any client-specific features: C Go... - https://man.mtool.work/duckdb/2.0/data/appender.html
DuckDB 2.0 Documentation / man.mtool.work