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- Catch C/C++ Tests 13033
- While we prefer the sqllogic tests for testing most functionality, for certain tests only SQL is not sufficient. This typically happens when you want to test the C++ API. When using pure SQL is really not an option it might be necessary to
...make a C++ test using Catch. Catch tests reside in the test directory as well. Here is an example of a catch test that tests the storage of the system...: #include "catch.hpp" #include "test_helpers.hpp" TEST_CASE("Test simple storage", "[storage]") { auto config = GetTestConfig(); unique_ptr... - https://man.mtool.work/duckdb/2.0/dev/sqllogictest/catch.html
- Writing Tests 9523
- Development and Testing It is crucial that any new features that get added have correct tests that not only test the “happy path”, but also test edge cases and incorrect usage of the feature. In this section, we describe how DuckDB tests ar
...all of our tests can (and should) be expressed in pure SQL. There are certain exceptions to this, which we will discuss in Catch Tests . However, in most cases you should write your tests in plain SQL. Frameworks SQL tests should be written using the...sqllogictest framework . C++ tests can be written using the Catch framework . Client Connector Tests DuckDB also has tests for various client connectors. These are generally written in the... - https://man.mtool.work/duckdb/2.0/dev/sqllogictest/writing_tests.html
- Utility Functions 8262
- Scalar Utility Functions The functions below are difficult to categorize into specific function types and are broadly useful. Name Description alias(column) Return the name of the column. can_cast_implicitly(source_value, target_value) Whet
...her or not the given database and schema are in the search path. is_histogram_other_bin(arg) Returns true when arg is the "catch-all element" of its datatype for the purpose of the histogram_exact function, which is equal to the "right-most boundary"...earch_path('memory', 'main') | | Result | true | is_histogram_other_bin(arg) | Description | Returns true when arg is the "catch-all element" of its datatype for the purpose of the histogram_exact function, which is equal to the "right-most boundary"... - https://man.mtool.work/duckdb/2.0/sql/functions/utility.html
- Profile and Monitor 8134
- Overview The JDBC driver exposes several ways to observe a running or completed query: cancelling and timing out queries, polling query progress, retrieving profiling output, and emitting memory-usage events through Java Flight Recorder . T
...d while it executes. CompletableFuture<Void> query = CompletableFuture.runAsync(() -> { try { ps.executeQuery().close(); } catch (SQLException e) { throw new RuntimeException(e); } }); while (!query.isDone()) { QueryProgress progress = ps.getQueryProg... - https://man.mtool.work/duckdb/2.0/clients/java/profiling.html
- Aggregate Functions 7988
- Examples Produce a single row containing the sum of the amount column: SELECT sum(amount) FROM sales; Produce one row per unique region, containing the sum of amount for each group: SELECT region, sum(amount) FROM sales GROUP BY region; Ret
.... histogram_exact(arg, elements) Returns a MAP of key-value pairs representing the requested elements and their counts. A catch-all element specific to the data-type is automatically added to count other elements when they appear, see is_histogram_ot...ct(arg, elements) | Description | Returns a MAP of key-value pairs representing the requested elements and their counts. A catch-all element specific to the data-type is automatically added to count other elements when they appear, see is_histogram_ot... - https://man.mtool.work/duckdb/2.0/sql/functions/aggregates.html
- Release Cycle 7841
- This document outlines the DuckDB and core extension release cycle framework. It is intended for developers working on DuckDB extensions to better understand the underlying processes. Overview DuckDB follows Semantic Versioning ( v<MAJOR>.<
...mat these core branches come in. main branch: the main branch can mean various things, but can generally be considered the catch-all branch vx.y-codename branch: the branch used to produce all vx.y.z releases vx.y.z tag: a stable release of DuckDB. Th... - https://man.mtool.work/duckdb/2.0/dev/release_cycle.html
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