Results of 1 - 10 of about 32 for Addition (0.001 sec.)
- Benchmark Suite 15819
- DuckDB has an extensive benchmark suite. When making changes that have potential performance implications, it is important to run these benchmarks to detect potential performance regressions. Getting Started To build the benchmark suite, ru
...n a single benchmark, issue the following command: build/release/benchmark/benchmark_runner benchmark/micro/nulls/no_nulls_addition.benchmark The output will be printed to stdout in CSV format, in the following format: name run timing benchmark/micro/nul...ls/no_nulls_addition.benchmark 1 0.121234 benchmark/micro/nulls/no_nulls_addition.benchmark 2 0.121702 benchmark/micro/nulls/no_nulls_addition....benchmark 3 0.122948 benchmark/micro/nulls/no_nulls_addition.benchmark 4 0.122534 benchmark/micro/nulls/no_nulls_addition.benchmark 5 0.124102 You can also specify an output file usin... - https://man.mtool.work/duckdb/2.0/dev/benchmark.html
- Interval Functions 10503
- This section describes functions and operators for examining and manipulating INTERVAL values. Interval Operators The table below shows the available mathematical operators for INTERVAL types. Operator Description Example Result + Addition
...of an INTERVAL INTERVAL 1 HOUR + INTERVAL 5 HOUR INTERVAL 6 HOUR + Addition to a DATE DATE '1992-03-22' + INTERVAL 5 DAY 1992-03-27 00:00:00 + Addition to a TIMESTAMP TIMESTAMP '1992-03-22 01:02:03'...+ INTERVAL 5 DAY 1992-03-27 01:02:03 + Addition to a TIME TIME '01:02:03' + INTERVAL 5 HOUR 06:02:03 - Subtraction of an INTERVAL INTERVAL 5 HOUR - INTERVAL 1 HOUR INTERV... - https://man.mtool.work/duckdb/2.0/sql/functions/interval.html
- Syntax Highlighting 9794
- Syntax highlighting in the CLI is available for macOS, Linux and Windows. SQL queries that are written in the shell are automatically highlighted using syntax highlighting. There are several components of a query that are highlighted in dif
...a , cyan , brightgray , gray , brightred , brightgreen , brightyellow , brightblue , brightmagenta , brightcyan , white In addition, 8-bit colors can be used. Run .display_colors to list all available color names, see 8-Bit Colors . The optional intensit...are highlighted in red (or another color if specified). This highlighting is automatically disabled for large queries. In addition, it can be disabled manually using the .render_errors off command.... - https://man.mtool.work/duckdb/2.0/clients/cli/syntax_highlighting.html
- Casting 9102
- Casting refers to the operation of converting a value in a particular data type to the corresponding value in another data type. Casting can occur either implicitly or explicitly. The syntax described here performs an explicit cast. More in
...│ └───────┴─────────────┘ Note that the CASE statement needs to return the same type in all code paths. We can perform the addition on any input column by adding a cast to the desired type – but we need to cast the result of the addition back to the sour... - https://man.mtool.work/duckdb/2.0/sql/expressions/cast.html
- Date Functions 8828
- This section describes functions and operators for examining and manipulating DATE values. Date Operators The table below shows the available mathematical operators for DATE types. Operator Description Example Result + addition of days (int
...egers) DATE '1992-03-22' + 5 1992-03-27 + addition of AN INTERVAL DATE '1992-03-22' + INTERVAL 5 DAY 1992-03-27 00:00:00 + addition of a variable INTERVAL SELECT DATE '1992-... - https://man.mtool.work/duckdb/2.0/sql/functions/date.html
- Numeric Types 8683
- Fixed-Width Integer Types The types TINYINT , SMALLINT , INTEGER , BIGINT and HUGEINT store whole numbers, that is, numbers without fractional components, of various ranges. Attempts to store values outside of the allowed range will result
...ns, you can use the BIGNUM type, which stores positive numbers in a similar fashion as other integer types, but uses three additional bytes to store the required size and a sign bit. A number with N decimal digits requires approximately 0.415 * N + 3 byt...1); Binder Error: Type "DECIMAL" does not accept type parameters (INTEGER, INTEGER) Arithmetic and Internal Representation Addition, subtraction and multiplication of two fixed-point decimals returns another fixed-point decimal with the required WIDTH an...MAL(1, 0) - 0.7::DECIMAL(1, 0) != 0.6::DECIMAL(1, 0) but it may be surprising that 1.3::FLOAT - 0.7::FLOAT != 0.6::FLOAT . Additionally, whereas multiplication, addition and subtraction of fixed-point decimal data types is exact, these operations are onl... - https://man.mtool.work/duckdb/2.0/sql/data_types/numeric.html
- Command Line Client 8538
- Installation To use the DuckDB CLI client, visit the CLI installation page . The latest stable version of the DuckDB command line client is 2.0.0. Installation The DuckDB CLI (Command Line Interface) is a single, dependency-free executable.
...emove the .wal file (the write-ahead log ) and consolidate all of your data into the single-file database. Dot Commands In addition to SQL syntax, special dot commands may be entered into the CLI client. To use one of these commands, begin the line with...a period ( . ) immediately followed by the name of the command you wish to execute. Additional arguments to the command are entered, space separated, after the command. If an argument must contain a space, either si...dot commands. To see all available commands, see the dot commands page or use the .help command. Opening Database Files In addition to connecting to a database when opening the CLI, a new database connection can be made by using the .open command. If no... - https://man.mtool.work/duckdb/2.0/clients/cli/overview.html
- HTTP User-Agent 8119
- HTTP User-Agent Core DuckDB sets the default user-agent as follows: duckdb/v2.0.0(osx_arm64) cli which indicates the DuckDB version, the platform and the client API (the value of the duckdb_api setting, e.g., cli , capi or cpp ). If the cus
...figuration . The currently generated user-agent string can be seen via PRAGMA user_agent; , see Configuration/Pragmas . In addition, some extensions set their own user agents; notable examples here include the following. Extensions Azure Azure uses the A... - https://man.mtool.work/duckdb/2.0/operations_manual/user_agents.html
- Extension Repositories 7974
- New Support for custom extension repositories was introduced in DuckDB 2.0. This feature is currently work-in-progress and the syntax may still change. By default, DuckDB installs extensions from its built-in repositories ( core , core_nigh
...tly , community , …). In addition, you can register your own trusted repositories, so that an organization can host and sign its own extensions and have the... - https://man.mtool.work/duckdb/2.0/extensions/extension_repositories.html
- Overview of DuckDB Internals 7845
- Tip For a detailed explanation of DuckDB internals, see the Design and Implementation of DuckDB Internals ("DiDi") library entry. On this page is a brief description of the internals of the DuckDB engine. Parser The parser converts a query
...ession The ParsedExpression represents an expression within a SQL statement. This can be e.g., a reference to a column, an addition operator or a constant value. The type of the ParsedExpression indicates what it represents, e.g., a comparison is represe... - https://man.mtool.work/duckdb/2.0/internals/overview.html
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