Results of 1 - 10 of about 26 for future (0.004 sec.)
- Complete API 15208
- This page contains the reference for DuckDB's C API. The reference contains several deprecation notices. These concern methods whose long-term availability is not guaranteed as they may be removed in the future. That said, DuckDB's develope
...lumns present in the result object. duckdb_row_count Warning Deprecation notice. This method is scheduled for removal in a future release. Returns the number of rows present in the result object. Syntax idx_t duckdb_row_count ( duckdb_result * result )...he error type of the result. duckdb_result_get_chunk Warning Deprecation notice. This method is scheduled for removal in a future release. Fetches a data chunk from the duckdb_result. This function should be called repeatedly until the result is exhaus...k index is out of bounds. duckdb_result_is_streaming Warning Deprecation notice. This method is scheduled for removal in a future release. Checks if the type of the internal result is StreamQueryResult. Syntax bool duckdb_result_is_streaming ( duckdb_r... - https://man.mtool.work/duckdb/2.0/clients/c/api.html
- Avro Extension 10150
- The avro extension enables DuckDB to read Apache Avro files. The avro extension was released as a community extension in late 2024 and became a core extension in early 2025. The read_avro Function The extension adds a single DuckDB function
..."official" Apache Avro C API , albeit with some minor patching to allow reading of Avro files from memory. Limitations and Future Plans This extension currently does not make use of parallelism when reading either a single (large) Avro file or when rea...ed. There is currently no support for the union_by_name flag that other readers in DuckDB support. This is planned for the future.... - https://man.mtool.work/duckdb/2.0/core_extensions/avro.html
- Storage Versions and Format 9687
- Compatibility Backward Compatibility Backward compatibility refers to the ability of a newer DuckDB version to read storage files created by an older DuckDB version. Version 0.10 is the first release of DuckDB that supports backward compati
...in the storage format. DuckDB 0.10 can read and operate on files created by the previous DuckDB version – DuckDB 0.9. For future DuckDB versions, our goal is to ensure that any DuckDB version released after can read files created by previous versions,...format is important – there are still many improvements and innovations that we want to make to the storage format in the future. As such, forward compatibility may be (partially) broken on occasion. Warning DuckDB versions before 2.0 cannot read data...──────────────┘ This means that file2 can be opened by past DuckDB versions while file1 is compatible only with v1.2.0 (or future versions). Setting the Storage Compatibility The storage_compatibility_version configuration option can also be used to sp... - https://man.mtool.work/duckdb/2.0/internals/storage.html
- USE Statement 9687
- The USE statement selects a database and optional schema, or just a schema to use as the default. Examples --- Sets the 'memory' database as the default. Will use 'main' schema implicitly or error --- if it does not exist. USE memory; --- S
...e 'duck.main' USE main; Syntax The USE statement sets a default database, schema or database/schema combination to use for future operations. For instance, tables created without providing a fully qualified table name will be created in the default dat... - https://man.mtool.work/duckdb/2.0/sql/statements/use.html
- Installing Extensions 9224
- To install core DuckDB extensions, use the INSTALL command. For example: INSTALL httpfs; This installs the extension from the default repository ( core ). Extension Repositories By default, DuckDB extensions are installed from a single repo
...stalling to Upgrade Extensions When DuckDB installs an extension, it is copied to a local directory to be cached and avoid future network traffic. Any subsequent calls to INSTALL ⟨extension_name⟩ will use the local version instead of downloading the ex...e extension_directory setting (singular) is deprecated in DuckDB 2.0 and emits a warning when set. It will be removed in a future release. Use extension_directories instead. Note that setting the value of the home_directory configuration option has no... - https://man.mtool.work/duckdb/2.0/extensions/installing_extensions.html
- Geometry Data Type 8761
- Name Description GEOMETRY Geospatial entity The GEOMETRY data type is used to store and manipulate geometric objects, such as points, lines, and polygons. The GEOMETRY type was part of the spatial extension but became a built-in data type i
...s a sequence of bytes, similarly to DuckDB's BLOB types. The exact binary format is not yet stabilized and may change in a future release, but as of DuckDB storage version v1.5 it is based on little-endian Well-Known Binary (WKB) , which is a standard...ET geometry_minimum_shredding_size = 0; The primary benefit of shredding is significantly improved compression, but in the future we plan to add ways to expose the shredded representation directly to the execution engine without having to "reassemble"...that DuckDB can use them to resolve CRS identifiers for geometry columns, but this is something we are considering for the future. Working with Geometries in Different Coordinate Reference Systems One benefit of tracking CRSs as part of the type system... - https://man.mtool.work/duckdb/2.0/sql/data_types/geometry.html
- VACUUM Statement 8761
- The VACUUM statement only has basic support in DuckDB and is mostly provided for PostgreSQL-compatibility. Some variants of it, such as when calling for a given column, recompute the distinct statistics (the number of distinct entities) if
...pdates. Warning The behavior of VACUUM is not consistent with PostgreSQL semantics and it is likely going to change in the future. Examples No-op: VACUUM; No-op: VACUUM ANALYZE; Calling VACUUM on a given table-column pair rebuilds statistics for the ta... - https://man.mtool.work/duckdb/2.0/sql/statements/vacuum.html
- Query 8298
- The duckdb_query method allows SQL queries to be run in DuckDB from C. This method takes two parameters, a (null-terminated) SQL query string and a duckdb_result result pointer. The result pointer may be NULL if the application is not inter
...esult: 3,4 5,6 7,NULL duckdb_value Deprecated The duckdb_value functions are deprecated and are scheduled for removal in a future release. Below is an example that prints the above result to CSV format using the duckdb_value_varchar function. Note that...lumns present in the result object. duckdb_row_count Warning Deprecation notice. This method is scheduled for removal in a future release. Returns the number of rows present in the result object. Syntax idx_t duckdb_row_count ( duckdb_result * result )... - https://man.mtool.work/duckdb/2.0/clients/c/query.html
- Types 8298
- DuckDB is a strongly typed database system. As such, every column has a single type specified. This type is constant over the entire column. That is to say, a column that is labeled as an INTEGER column will only contain INTEGER values. Duc
...kdb_create_type_info info ); duckdb_result_get_chunk Warning Deprecation notice. This method is scheduled for removal in a future release. Fetches a data chunk from the duckdb_result. This function should be called repeatedly until the result is exhaus...k index is out of bounds. duckdb_result_is_streaming Warning Deprecation notice. This method is scheduled for removal in a future release. Checks if the type of the internal result is StreamQueryResult. Syntax bool duckdb_result_is_streaming ( duckdb_r...the type StreamQueryResult duckdb_result_chunk_count Warning Deprecation notice. This method is scheduled for removal in a future release. Returns the number of data chunks present in the result. Syntax idx_t duckdb_result_chunk_count ( duckdb_result r... - https://man.mtool.work/duckdb/2.0/clients/c/types.html
- Pragmas 8067
- The PRAGMA statement is a SQL extension adopted by DuckDB from SQLite. PRAGMA statements can be issued in a similar manner to regular SQL statements. PRAGMA commands may alter the internal state of the database engine, and can influence the
...cit casting, set the old_implicit_casting variable to true . Note that this setting is deprecated and will be removed in a future release: SET old_implicit_casting = true; Python: Scan All Dataframes Prior to version 1.1.0, DuckDB's replacement scan me...error_on_division_by_zero = false; Deprecated The error_on_division_by_zero setting is deprecated and will be removed in a future release. Setting it prints a deprecation warning in the CLI. To return NULL for a specific expression, wrap it in TRY inst... - https://man.mtool.work/duckdb/2.0/configuration/pragmas.html
DuckDB 2.0 Documentation / man.mtool.work