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- Timestamp Types 12564
- Timestamps represent points in time. As such, they combine DATE and TIME information. They can be created using the type name followed by a string formatted according to the ISO 8601 format, YYYY-MM-DD hh:mm:ss[.zzzzzzzzz][+-TT[:tt]] , whic
...It provides time zone aware timestamps with nanosecond precision. External columns with nanosecond precision and WITH TIME ZONE semantics, e.g., Parquet timestamp columns with isAdjustedToUTC=true , are now read as TIMESTAMPTZ_NS and retain their full...ich defaults to the system time zone and is just UTC+00:00 in the examples above. The corresponding TIMESTAMP WITHOUT TIME ZONE stores the same INT64 , but arithmetic, binning and string formatting follow the straightforward rules of Coordinated Unive...rsal Time (UTC) without offsets or time zones. Accordingly, TIMESTAMP s could be interpreted as UTC timestamps, but more commonly they are used to represent local obser... - https://man.mtool.work/duckdb/2.0/sql/data_types/timestamp.html
- ICU Extension 10749
- The icu extension provides collation, time zone, and calendar support. New In DuckDB 2.0, the dependency on the external ICU library was removed. The icu extension now implements collations, time zones, and calendars natively, with time zon
...run: INSTALL AND LOAD icu; Features The icu extension introduces the following features: Region-dependent collations Time zones , used for timestamp data types and timestamp functions... - https://man.mtool.work/duckdb/2.0/core_extensions/icu.html
- S3 Express One 10749
- In late 2023, AWS announced the S3 Express One Zone , a high-speed variant of traditional S3 buckets. DuckDB can read S3 Express One buckets using the httpfs extension . Credentials and Configuration The configuration of S3 Express One buck
...e bucket you are querying. To determine the mapping between zone names and zone IDs, use the aws ec2 describe-availability-zones command. Zone name to zone ID mapping: bash aws ec2 describe-availability-zones --output json \ | jq -r '.AvailabilityZone...elect(.ZoneName == "us-east-1f") | .ZoneId' text use1-az5 Zone ID to zone name mapping: bash aws ec2 describe-availability-zones --output json \ | jq -r '.AvailabilityZones[] | select(.ZoneId == "use1-az5") | .ZoneName' text us-east-1f Querying You ca... - https://man.mtool.work/duckdb/2.0/guides/network_cloud_storage/s3_express_one.ht...
- Timestamp Issues 8807
- Timestamp with Time Zone Promotion Casts Working with time zones in SQL can be quite confusing at times. For example, when filtering to a date range, one might try the following query: SET timezone = 'America/Los_Angeles'; CREATE TABLE time
...oid confusing issues such as this, and the arithmetic operations are generally faster. Time Zone Performance DuckDB's time zone support is provided by the icu extension . Starting with DuckDB 2.0, the extension no longer depends on the International C...omponents for Unicode (ICU) library: it implements time zones and calendars natively, using time zone data built from the IANA time zone database . This implementation supports dayligh... - https://man.mtool.work/duckdb/2.0/guides/sql_features/timestamps.html
- Core Extensions 7980
- List of Core Extensions Name Description Maintainer Support tier Aliases autocomplete Autocompletion for CLI client DuckDB team avro Avro files reading DuckDB team aws AWS S3 functionality DuckDB team azure Filesystem abstraction for Azure
...) and S3 - file read/write operations DuckDB team http, https, s3 iceberg Apache Iceberg table format DuckDB team icu Time zones, calendars and collations DuckDB team inet IP-related data types and functions DuckDB team json JSON operations DuckDB tea... - https://man.mtool.work/duckdb/2.0/core_extensions/overview.html
- Troubleshoot 7693
- Overview This page collects common issues encountered when using the DuckDB Rust client, together with their workarounds. If you run into a problem that is not covered here, search the client's issue tracker on GitHub. Linking against a Sys
...ons excluded the icu extension . In DuckDB 2.0, the icu extension no longer depends on the ICU library and implements time zones, calendars and collations natively. If some collation or time-zone-aware date/time operations still fail out of the box wi... - https://man.mtool.work/duckdb/2.0/clients/rust/troubleshoot.html
- Geometry Data Type 7567
- Name Description GEOMETRY Geospatial entity The GEOMETRY data type is used to store and manipulate geometric objects, such as points, lines, and polygons. The GEOMETRY type was part of the spatial extension but became a built-in data type i
...es relate to real-world locations on the Earth's surface. A helpful analogy is to think of CRSs as the equivalent of "time zones", but for geospatial data. Just like how time zones define how local time relates to a standard reference time (e.g., UTC)... - https://man.mtool.work/duckdb/2.0/sql/data_types/geometry.html
- Load Extensions 7423
- Overview DuckDB-Wasm's (dynamic) extension loading is modeled after regular DuckDB's extension loading, with a few relevant differences due to the difference in platform. A growing subset of core, community, and external extensions is suppo
...l excel Adds support for Excel-like format strings fts Adds support for Full-Text Search indexes icu Adds support for time zones, calendars and collations inet Adds support for IP-related data types and functions json Adds support for JSON operations... - https://man.mtool.work/duckdb/2.0/clients/wasm/extensions.html
- Migrating to DuckDB 2.0 7279
- DuckDB 2.0.0 is packed with new features and performance improvements, including query optimization and asynchronous I/O. It also ships a small set of breaking changes, most notably a new default storage format, which DuckDB versions before
...erence, see the C API page . ICU Removed from the Core Build DuckDB 2.0.0 removed the dependency on the ICU library . Time zones, calendars and collations are now implemented natively by the icu extension , and will continue to behave as before. No qu... - https://man.mtool.work/duckdb/2.0/operations_manual/migration.html
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