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- Time Types 12777
- The TIME and TIMETZ types specify the hour, minute, second, microsecond of a day. Name Aliases Description TIME TIME WITHOUT TIME ZONE Time of day TIMETZ TIME WITH TIME ZONE Time of day, with time zone offset TIME_NS Time of day, nanosecond
...values can also be read from Parquet when the type is TIME with unit NANOS . Warning The TIME type should only be used in rare cases, where the date part of the timestamp can be disregarded. Most applications should use the TIMESTAMP types to repres... - https://man.mtool.work/duckdb/2.0/sql/data_types/time.html
- Partitioned Writes 9468
- Examples Write a table to a Hive partitioned dataset of Parquet files: COPY orders TO 'orders' (FORMAT parquet, PARTITION_BY (year, month)); Write a table to a Hive partitioned dataset of CSV files, allowing overwrites: COPY orders TO 'orde
...uid}' options, but DuckDB performs an extra check for whether the file already exists and then regenerates the UUID in the rare event that it does (to avoid clashes). Handling Slashes in Columns To handle slashes in column names, use Percent-Encoding... - https://man.mtool.work/duckdb/2.0/data/partitioning/partitioned_writes.html
- Crashes 9468
- DuckDB is thoroughly tested via an extensive test suite. However, bugs can still occur and these can sometimes lead to crashes. This page contains practical information on how to troubleshoot DuckDB crashes. Types of Crashes There are a few
...ated because of a previous fatal error. The database must be restarted prior to being used again. Out of memory errors: In rare cases, DuckDB can crash due to memory exhaustion. This crash can also be a symptom of the operating system killing the pro...optimizer rules. Try to Isolate the Issue Some issues are caused by the interplay of different components and extensions, or are specific to certain platforms or client languages. You can often isolate the issue to a smaller problem. Reproducing in P... - https://man.mtool.work/duckdb/2.0/guides/troubleshooting/crashes.html
- Loading JSON 8134
- 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
... - https://man.mtool.work/duckdb/2.0/data/json/loading_json.html
- Iceberg Options 7476
- 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
...Use a table's optional metadata-log to preserve atomicity guarantees, at the cost of an additional metadata GET request in rare cases. iceberg_equality_delete_fast_filter BOOLEAN true Apply equality deletes on byte-comparable types through a shared c... - https://man.mtool.work/duckdb/2.0/core_extensions/iceberg/iceberg_options.html
- CSV Import 7476
- Examples The following examples use the flights.csv file. Read a CSV file from disk, auto-infer options: SELECT * FROM 'flights.csv'; Use the read_csv function with custom options: SELECT * FROM read_csv('flights.csv', delim = '|', header =
...CSV file using the CSV sniffer . This will work correctly in most situations, and should be the first option attempted. In rare situations where the CSV reader cannot figure out the correct configuration it is possible to manually configure the CSV r...mment character (optionally preceded by space characters) are completely ignored; other lines containing a comment character are parsed only up to that point. VARCHAR (empty) compression Method used to compress CSV files. By default this is detected... - https://man.mtool.work/duckdb/2.0/data/csv/overview.html
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