Results of 1 - 10 of about 11 for truncate (0.003 sec.)
- DELETE Statement 11735
- The DELETE statement removes rows from the table identified by the table-name. If the WHERE clause is not present, all records in the table are deleted. If a WHERE clause is supplied, then only those rows for which the WHERE clause results
...Kat', 32); DELETE FROM employees RETURNING name, 2025 - age AS approx_birthyear; name approx_birthyear Kat 1993 Syntax The TRUNCATE Statement The TRUNCATE statement removes all rows from a table, acting as an alias for DELETE FROM without a WHERE clause:...TRUNCATE tbl; Limitations on Reclaiming Memory and Disk Space Running DELETE does not mean space is reclaimed. In general, rows are... - https://man.mtool.work/duckdb/2.0/sql/statements/delete.html
- Date Functions 10846
- 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
...ivalent to extract ). date_sub(part, startdate, enddate) The signed length of the interval between startdate and enddate , truncated to whole multiples of part . date_trunc(part, date) Truncate to specified precision . dayname(date) The (English) name of...ftime(date, format) Converts a date to a string according to the format string . time_bucket(bucket_width, date[, offset]) Truncate date to a grid of width bucket_width . The grid is anchored at 2000-01-01[ + offset] when bucket_width is a number of mont...or coarser units, else 2000-01-03[ + offset] . Note that 2000-01-03 is a Monday. time_bucket(bucket_width, date[, origin]) Truncate timestamptz to a grid of width bucket_width . The grid is anchored at the origin timestamp, which defaults to 2000-01-01 w... - https://man.mtool.work/duckdb/2.0/sql/functions/date.html
- Timestamp with Time Zone Functions 10420
- This section describes functions and operators for examining and manipulating TIMESTAMP WITH TIME ZONE (or TIMESTAMPTZ ) values . See also the related TIMESTAMP functions . Time zone support is provided by the built-in ICU extension . In th
...ub(part, starttimestamptz, endtimestamptz) The signed length of the interval between starttimestamptz and endtimestamptz , truncated to whole multiples of part . date_trunc(part, timestamptz) Truncate to specified precision . epoch_ns(timestamptz) Conver...MESTAMP WITH TIME ZONE according to the format string if %Z is specified. time_bucket(bucket_width, timestamptz[, offset]) Truncate timestamptz to a grid of width bucket_width . The grid is anchored at 2000-01-01 00:00:00+00:00[ + offset] when bucket_wid...2000-01-03 00:00:00+00:00[ + offset] . Note that 2000-01-03 is a Monday. time_bucket(bucket_width, timestamptz[, origin]) Truncate timestamptz to a grid of width bucket_width . The grid is anchored at the origin timestamp, which defaults to 2000-01-01 0... - https://man.mtool.work/duckdb/2.0/sql/functions/timestamptz.html
- Iceberg Functions 9833
- The iceberg extension provides the following functions: Function Description iceberg_scan(source) Reads an Iceberg table from a path. iceberg_metadata(source) Returns the manifest entries of an Iceberg table. iceberg_snapshots(source) Retur
...a DuckLake catalog. iceberg_bucket(num_buckets, value) Computes the Iceberg bucket partition transform of a value. iceberg_truncate(width, value) Computes the Iceberg truncate partition transform of a value. The examples on this page use the iceberg_data..._datalake', 'my_ducklake', skip_tables := ['table_to_skip']); Partition Transform Functions The iceberg_bucket and iceberg_truncate scalar functions implement the Iceberg partition transforms of the same name. They are most often used implicitly through...R , BIGINT , DECIMAL , DATE , TIME , TIMESTAMP , TIMESTAMP WITH TIME ZONE , TIMESTAMP_NS , VARCHAR , BLOB , UUID . iceberg_truncate(width, value) Returns the Iceberg truncate partition value for value , with the same type as value . Supported value types... - https://man.mtool.work/duckdb/2.0/core_extensions/iceberg/iceberg_functions.html
- Timestamp Functions 9833
- This section describes functions and operators for examining and manipulating TIMESTAMP values . See also the related TIMESTAMPTZ functions . Timestamp Operators The table below shows the available mathematical operators for TIMESTAMP types
.... date_sub(part, starttimestamp, endtimestamp) The signed length of the interval between starttimestamp and endtimestamp , truncated to whole multiples of part . date_trunc(part, timestamp) Truncate to specified precision . dayname(timestamp) The (Englis.... Throws an error on failure. To return NULL on failure, use try_strptime . time_bucket(bucket_width, timestamp[, offset]) Truncate timestamp to a grid of width bucket_width . The grid is anchored at 2000-01-01 00:00:00[ + offset] when bucket_width is a...ts, else 2000-01-03 00:00:00[ + offset] . Note that 2000-01-03 is a Monday. time_bucket(bucket_width, timestamp[, origin]) Truncate timestamp to a grid of width bucket_width . The grid is anchored at the origin timestamp, which defaults to 2000-01-01 00:... - https://man.mtool.work/duckdb/2.0/sql/functions/timestamp.html
- Writing to Iceberg 9691
- The DuckDB iceberg extension supports writing to Iceberg tables when an Iceberg catalog is attached. Writing to a table read directly from storage with iceberg_scan is not supported: the catalog is required to commit the new table metadata.
...n⟩, ⟨column⟩) Hash the column's value into n buckets. This is useful for stable partitioning on a high-cardinality column. truncate(⟨w⟩, ⟨column⟩) Group rows by the first w characters (or by the column's value rounded down to a multiple of w for numeric...t_id BIGINT, user_id BIGINT, country VARCHAR, event_time TIMESTAMP ) PARTITIONED BY (day(event_time), bucket(16, user_id), truncate(2, country)); The partition spec of an existing table can be changed with ALTER TABLE ... SET PARTITIONED BY : ALTER TABLE...iceberg_catalog.default.events SET PARTITIONED BY (month(event_time)); The bucket and truncate transforms are also available as the iceberg_bucket and iceberg_truncate functions . The write.target-file-size-bytes and... - https://man.mtool.work/duckdb/2.0/core_extensions/iceberg/writing_to_iceberg.htm...
- List Functions 7788
- Function Description list[index] Extracts a single list element using a (1-based) index . list[begin[:end][:step]] Extracts a sublist using slice conventions . Negative values are accepted. list1 && list2 Alias for list_has_any . list1 <->
...ue(list) Alias for list_unique . array_where(value_list, mask_list) Alias for list_where . array_zip(list_1, ..., list_n[, truncate]) Alias for list_zip . char_length(list) Alias for length . character_length(list) Alias for length . concat(value, ...) C..._list) Returns a list with the BOOLEAN s in mask_list applied as a mask to the value_list . list_zip(list_1, ..., list_n[, truncate]) Zips n LIST s to a new LIST whose length will be that of the longest list. Its elements are structs of n elements from e...ach list list_1 , …, list_n , missing elements are replaced with NULL . If truncate is set, all lists are truncated to the smallest list length. range(start[, stop][, step]) Creates a list of values between... - https://man.mtool.work/duckdb/2.0/sql/functions/list.html
- Logging 7646
- DuckDB implements a logging mechanism that provides users with detailed information about events such as query execution, performance metrics and system events. Warning Logs may contain sensitive information, including secrets and credentia
...suffices. See Log Storages for details. To disable logging, run CALL disable_logging(); To clear the current log, run CALL truncate_duckdb_logs(); Log Level DuckDB supports different logging levels that control the verbosity of the logs: FATAL : Only log...ssages to the console (default in the CLI) The shell_log_storage cannot be queried: duckdb_logs , duckdb_logs_parsed() and truncate_duckdb_logs() all return an error. It also does not accept configuration options such as storage_config or storage_buffer_... - https://man.mtool.work/duckdb/2.0/operations_manual/logging/overview.html
- Reference 6774
- This page lists the functions, settings, and log types exposed by the quack extension . For a tour of the protocol, start with the Overview . Function Reference Server Management Function Description quack_serve(⟨listen_uri⟩, ...) Start a s
...( 'Quack', storage = 'file', storage_config = {'path': '/tmp/duckdb-rpc-logs'} ); To clear the log between runs, use: CALL truncate_duckdb_logs(); To turn logging off, run: CALL disable_logging();... - https://man.mtool.work/duckdb/2.0/quack/reference.html
- Iceberg Options 6632
- This page lists the options of the iceberg extension: the parameters accepted by the Iceberg functions , the options of the ATTACH and CREATE SECRET statements used to connect to a catalog , and the global settings. ATTACH Options To make a
...side scan planning endpoint (if the catalog provides it) instead of planning the scan in DuckDB. iceberg_logging_post_body_truncate_limit UBIGINT 10000 Maximum number of characters of a REST Catalog POST request body to include in Iceberg log messages. L...onger bodies are truncated with a trailing ... (truncated) marker. Set to 0 to omit the body. Scan Options The following parameters can be passed to... - https://man.mtool.work/duckdb/2.0/core_extensions/iceberg/iceberg_options.html
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