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- Timestamp Types 12426
- 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
...but arithmetic, binning and string formatting follow the straightforward rules of Coordinated Universal Time (UTC) without offsets or time zones. Accordingly, TIMESTAMP s could be interpreted as UTC timestamps, but more commonly they are used to represe...problem to disambiguate such observations, which may also be stored in raw strings without time zone specification or UTC offsets, into unambiguous TIMESTAMP WITH TIME ZONE instants. One possible solution to this is to append UTC offsets to strings, fo...H TIME ZONE . Conversion between Strings and Naïve / Time Zone-Aware Timestamps The conversion between strings without UTC offsets or IANA time zone names and WITHOUT TIME ZONE types is unambiguous and straightforward. The conversion between strings wit... - https://man.mtool.work/duckdb/2.0/sql/data_types/timestamp.html
- Vectors 8303
- Vectors represent a horizontal slice of a column. They hold a number of values of a specific type, similar to an array. Vectors are the core data representation used in DuckDB. Vectors are typically stored within data chunks . The vector an
...access the child vector using the duckdb_list_vector_get_child method. The duckdb_vector_get_data must be used to get the offsets and lengths of the lists stored as duckdb_list_entry , that can then be applied to the child vector. typedef struct { uint...!duckdb_validity_row_is_valid(list_validity, row)) { // entire list is NULL printf("NULL\n"); continue; } // read the list offsets for this row duckdb_list_entry list = list_data[row]; printf("["); for (idx_t child_idx = list.offset; child_idx < list.of... - https://man.mtool.work/duckdb/2.0/clients/c/vector.html
- Loading JSON 8210
- The DuckDB JSON reader can automatically infer which configuration flags to use by analyzing the JSON file. This will work correctly in most situations, and should be the first option attempted. In rare situations where the JSON reader cann
...format to use when parsing timestamps. See Date Format . When set to iso (the default), ISO 8601 timestamps with timezone offsets (e.g., 2024-01-01T12:00:00+05:00 ) and fractional seconds (e.g., 2024-01-01T12:00:00.123Z ) are automatically inferred as... - https://man.mtool.work/duckdb/2.0/data/json/loading_json.html
- Timestamp with Time Zone Functions 8007
- 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
...correctly without access to time zone information. For portability, TIMESTAMPTZ values will always be displayed using GMT offsets: SELECT '2022-10-08 13:13:34-07'::TIMESTAMPTZ; 2022-10-08 20:13:34+00 If a time zone extension such as ICU is loaded, then... - https://man.mtool.work/duckdb/2.0/sql/functions/timestamptz.html
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