Results of 1 - 10 of about 11 for Shutdown (0.002 sec.)
- Unit Tester Configuration 13727
- There are three ways of setting options for the unit tester: Command Line Arguments Configuration File Environment Variables Configuration Options List See the Configuration Options List for the full list of available options. Command Line
...Arguments See the Configuration Options List for all available options. # booleans unittest --checkpoint-on-shutdown unittest --no-checkpoint-on-shutdown # other types unittest --checkpoint-wal-size 100000 Command line options --settings ,...tion Options List for all available options, replacing - with _ . Example: { "checkpoint_wal_size": 100000, "checkpoint_on_shutdown": "false" } The following additional options can also be used in the configuration file: Option Description extends List o...et as environment variables, prefixed with DUCKDB_TEST_ , upper-cased with underscores: Example: DUCKDB_TEST_CHECKPOINT_ON_SHUTDOWN=1 unittest Configuration Options List The following configuration options are available: Option Description --autoloading... - https://man.mtool.work/duckdb/2.0/dev/sqllogictest/test_configuration.html
- Pragmas 10366
- 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
...When CHECKPOINT is called when no changes are made, force a checkpoint regardless: PRAGMA force_checkpoint; Checkpoint on Shutdown Run a CHECKPOINT on successful shutdown and delete the WAL, to leave only a single database file behind: PRAGMA enable_che...ckpoint_on_shutdown; Don't run a CHECKPOINT on shutdown: PRAGMA disable_checkpoint_on_shutdown; Checkpoint on Detach New As of DuckDB 2.0, the...ED (request a checkpoint on detach), DISABLED (never checkpoint on detach), and DEFAULT (defer to the global checkpoint_on_shutdown behavior). A requested checkpoint still does not occur while another connection references the database. This is a per-ses... - https://man.mtool.work/duckdb/2.0/configuration/pragmas.html
- Java (JDBC) Client 9442
- 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
...he URL forms the driver accepts, DuckDB and driver configuration options, read-only mode, instance caching, threading, and shutdown. Further Reading Define Connections — the JDBC URL forms, configuration options, instance caching, threading, and connecti...on shutdown. Connect to a DuckLake — attach or open a DuckLake catalog from JDBC. Run Queries — sending queries with Statement and Pre... - https://man.mtool.work/duckdb/2.0/clients/java/overview.html
- Persistent Testing 8819
- By default, all tests are run in in-memory mode (unless --force-storage is enabled). In certain cases, we want to force the usage of a persistent database. We can initiate a persistent database using the load command, and trigger a reload o
...t. WAL tests typically run with the following settings to disable this behavior: statement ok PRAGMA disable_checkpoint_on_shutdown statement ok SET wal_autocheckpoint = '1TB'... - https://man.mtool.work/duckdb/2.0/dev/sqllogictest/persistent_testing.html
- Overview 8677
- Installation To use the DuckDB C API, download the libduckdb archive for your platform. The latest stable version of the DuckDB C API is 2.0.0. DuckDB implements a custom C API modeled somewhat following the SQLite C API. The API is contain
...ed in the duckdb.h header. Continue to Startup & Shutdown to get started, or check out the Full API overview . C API v2 Warning The C API v2 is not yet stable. Its interface may ch... - https://man.mtool.work/duckdb/2.0/clients/c/overview.html
- R Client 8517
- Installation To use the DuckDB R client, visit the R installation page . The latest stable version of the DuckDB R client is 2.0.0. Installation duckdb : R Client The DuckDB R client can be installed using the following command: install.pac
...ments the DBI interface for R. If you are not familiar with DBI yet, see the Using DBI page for an introduction. Startup & Shutdown To use DuckDB, you must first create a connection object that represents the database. The connection object takes as para...UE) Connections are closed implicitly when they go out of scope or if they are explicitly closed using dbDisconnect() . To shut down the database instance associated with the connection, use duckdb_shutdown() on the driver object returned by duckdb() . Q... - https://man.mtool.work/duckdb/2.0/clients/r.html
- Connect 8215
- Overview Every DuckDB feature reachable from Java starts with a Connection . This page covers the JDBC URL forms the driver accepts, how DuckDB and driver options are passed and which of them win, how connections come to share (or not share
...() cancellations. Applications that unload the driver, for example in an application server, can stop it with DuckDBDriver.shutdownQueryCancelScheduler() . Connect to a DuckLake DuckLake stores table data as Parquet files and its metadata in a catalog da...very Connection to the database has been closed with Connection.close() before the Java program ends. There is no separate shutdown method to call: closing all connections is sufficient. Use a try-with-resources block so that connections are closed even...file is opened, so no committed data is lost, but the file is only compacted once the database is checkpointed on a clean shutdown. To force a checkpoint without closing the connection, run the CHECKPOINT statement . Repeatedly opening and closing the l... - https://man.mtool.work/duckdb/2.0/clients/java/connecting.html
- C++ API 7752
- Installation To use the DuckDB C++ API, download the libduckdb archive for your platform. The latest stable version of the DuckDB C++ API is 2.0.0. Warning DuckDB's C++ API is internal. It is not guaranteed to be stable and can change witho
...ase instance and QueryResult instances as the result of queries. The header file for the C++ API is duckdb.hpp . Startup & Shutdown To use DuckDB, you must first initialize a DuckDB instance using its constructor. DuckDB() takes as parameter the database... - https://man.mtool.work/duckdb/2.0/clients/cpp.html
- Connect 7752
- Overview Every DuckDB feature reachable from Rust starts with a Connection . Opening in-memory and file-backed databases, configuring a database instance with Config , opening read-only, pooling connections across threads, the crate's threa
...difference between an explicit close() and letting the connection drop, but close() gives a chance to observe and handle a shutdown error that Drop would otherwise discard. Further Reading Run Queries — using the Connection to send queries and read resul... - https://man.mtool.work/duckdb/2.0/clients/rust/connecting.html
- Vector Similarity Search Extension 7290
- The vss extension is an experimental extension for DuckDB that adds indexing support to accelerate vector similarity search queries using DuckDB's new fixed-size ARRAY type. See the announcement blog post and the “What's New in the Vector S
...that “WAL” recovery is not yet properly implemented for custom indexes, meaning that if a crash occurs or the database is shut down unexpectedly while there are uncommitted changes to a HNSW -indexed table, you can end up with data loss or corruption of...the index . If you enable this option and experience an unexpected shutdown, you can try to recover the index by first starting DuckDB separately, loading the vss extension and then ATTACH ing the d... - https://man.mtool.work/duckdb/2.0/core_extensions/vss.html
DuckDB 2.0 Documentation / man.mtool.work