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- Internal Errors – DuckDB 13672
- This page is for DuckDB 1.3, which is outdated.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
...Documentation / Development Copy Markdown Internal Errors Internal errors signal an assertion failure within DuckDB. They usually occur due to unexpected conditions or errors in the program's logic. For example, running issue 17002 on DuckDB v1.2.1 res...example enters restricted mode because never Documentation Development Copy Markdown Errors signal assertion failure They usually occur unexpected 関連するページ Crashes DuckDB_% Metadata Functions Connect Copying an In Working with Huge Databases CLI... - https://man.mtool.work/duckdb/1.3/dev/internal_errors.html
- Numeric Types – DuckDB 10761
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...g-Point Types The data types FLOAT and DOUBLE precision are variable-precision numeric types. In practice, these types are usually implementations of IEEE Standard 754 for Binary Floating-Point Arithmetic (single and double precision, respectively), to...ers outside of these ranges (and negative numbers ourside the mirrored ranges) may cause errors on some platforms but will usually be converted to zero or infinity, respectively. In addition to ordinary numeric values, the floating-point types have seve... - https://man.mtool.work/duckdb/1.3/sql/data_types/numeric.html
- R-Tree Indexes – DuckDB 10189
- This page is for DuckDB 1.3, which is outdated.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
...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...g the bulk loading algorithm tends to create a R-tree with a better structure (less overlap between bounding boxes), which usually leads to better query performance. If you find that the performance of querying the R-tree starts to deteriorate after a l... - https://man.mtool.work/duckdb/1.3/core_extensions/spatial/r-tree_indexes.html
- ODBC API on Windows – DuckDB 9010
- 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
...BC . The odbc_install.exe changes this entry that has two subkeys: ODBC.INI and ODBCINST.INI . The ODBC.INI is where users usually insert DSN registry entries for the drivers. For example, the DSN registry for DuckDB would look like this: The ODBCINST.I... - https://man.mtool.work/duckdb/1.3/clients/odbc/windows.html
- NULL Values – DuckDB 9010
- 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
...IS NOT DISTINCT FROM NULL ; true SELECT NULL IS NULL ; true NULL and Functions A function that has input argument as NULL usually returns NULL . SELECT cos ( NULL ); NULL The coalesce function is an exception to this: it takes any number of arguments,... - https://man.mtool.work/duckdb/1.3/sql/data_types/nulls.html
- CREATE INDEX Statement – DuckDB 9010
- 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
...n The name of the column to be indexed. expression An expression based on one or more columns of the table. The expression usually must be written with surrounding parentheses, as shown in the syntax. However, the parentheses can be omitted if the expre... - https://man.mtool.work/duckdb/1.3/sql/statements/create_index.html
- Data Chunks – DuckDB 8439
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...the VECTOR_SIZE rows. The vector size can be obtained through the duckdb_vector_size function and is configurable, but is usually set to 2048 . Data chunks and vectors are what DuckDB uses natively to store and represent data. For this reason, the data... - https://man.mtool.work/duckdb/1.3/clients/c/data_chunk.html
- Building Configuration – DuckDB 8439
- 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
...LD_PYTHON When this flag is set, the Python package is built. BUILD_SHELL When this flag is set, the CLI is built, this is usually enabled by default. BUILD_BENCHMARK When this flag is set, DuckDB's in-house benchmark suite is built. More information ab... - https://man.mtool.work/duckdb/1.3/dev/building/build_configuration.html
- Union Type – DuckDB 8439
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...still is ambiguous, i.e., there are multiple candidates with the same implicit casting priority, an error is raised. This usually happens when the UNION contains multiple members of the same type, e.g., a FLOAT → UNION(i INTEGER, num INTEGER) is always... - https://man.mtool.work/duckdb/1.3/sql/data_types/union.html
- Subqueries – DuckDB 8439
- 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
...own Subqueries Subqueries are parenthesized query expressions that appear as part of a larger, outer query. Subqueries are usually based on SELECT ... FROM , but in DuckDB other query constructs such as PIVOT can also appear as a subquery. Scalar Subque... - https://man.mtool.work/duckdb/1.3/sql/expressions/subqueries.html
DuckDB 1.3 Documentation / man.mtool.work