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- Logging – DuckDB 13085
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
..._logs ; Log Level DuckDB supports different logging levels that control the verbosity of the logs: ERROR : Only logs error messages WARN : Logs warnings and errors INFO : Logs general information, warnings and errors (default) DEBUG : Logs detailed debug...information The log level can be set using: PRAGMA enable_logging ; SET logging_level = 'TRACE' ; Log Types In DuckDB, log messages can have an associated log type. Log types have 2 main goals. Firstly, they allow using includelists and excludelist to li...mit which types of log messages are logged. Secondly, log types can have a predetermined message schema which allows DuckDB to automatically parse the mes... - https://man.mtool.work/duckdb/1.3/operations_manual/logging/overview.html
- Analyzing a Git Repository – DuckDB 10917
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...nd . Exporting the Git Log We start by picking a character that doesn't occur in any part of the commit log (author names, messages, etc). Since version v1.2.0, DuckDB's CSV reader supports 4-byte delimiters , making it possible to use emojis! ? Despite...her in DuckDB. Common Topics Let's start with a simple question: which topic was the most commonly mentioned in the commit messages: CI, CLI, or Python? SELECT message. lower () . regexp_extract ( '\b(ci|cli|python)\b' ) AS topic , count ( * ) AS num_com...continuous integration dominate the log! We can also do a more exploratory analysis by looking at all words in the commit messages. To do so, we first tokenize the messages: CREATE TABLE words AS SELECT unnest ( message . lower () . regexp_replace ( '\W... - https://man.mtool.work/duckdb/1.3/guides/snippets/analyze_git_repository.html
- Out of Memory Errors – DuckDB 8296
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...ou often see the following message where DuckDB was running: Killed To get more detailed information, check the diagnostic messages using the dmesg command (you may need sudo ): sudo dmesg If the process was killed by the OOM killer/reaper, you will find... - https://man.mtool.work/duckdb/1.3/guides/troubleshooting/oom_errors.html
- Result Verification – DuckDB 8151
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...that you only use a subset of the error message, so that the test does not break unnecessarily if the formatting of error messages is changed. statement error SELECT * FROM non_existent_table ; ---- Table with name non_existent_table does not exist ! Re... - https://man.mtool.work/duckdb/1.3/dev/sqllogictest/result_verification.html
- Reading Faulty CSV Files – DuckDB 8007
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...e the process of cleanly reading them inherently difficult. To help users read these files, DuckDB supports detailed error messages, the ability to skip faulty lines, and the possibility of storing faulty lines in a temporary table to assist users with a... - https://man.mtool.work/duckdb/1.3/data/csv/reading_faulty_csv_files.html
- INSERT Statement – DuckDB 8007
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...s primary key constraint. The table will contain the row that was first inserted: SELECT * FROM tbl ; i j 1 42 These error messages can be avoided by explicitly handling conflicts. DuckDB supports two such clauses: ON CONFLICT DO NOTHING and ON CONFLICT... - https://man.mtool.work/duckdb/1.3/sql/statements/insert.html
- Configuration – DuckDB 7862
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
..._bar Enables the progress bar, printing progress to the terminal for long queries BOOLEAN true errors_as_json Output error messages as structured JSON instead of as a raw string BOOLEAN false explain_output Output of EXPLAIN statements ( ALL , OPTIMIZED_... - https://man.mtool.work/duckdb/1.3/configuration/overview.html
- Pragmas – DuckDB 7862
- This page is for DuckDB 1.3, which is outdated. Switch to the current version . Search Shortcut cmd + k | ctrl + k Installation Documentation Getting Started Connect Overview Concurrency Data Import Overview Data Sources CSV Files Overview
...all functions: PRAGMA functions ; For queries targeting non-existing schemas, DuckDB generates “did you mean…” style error messages. When there are thousands of attached databases, these errors can take a long time to generate. To limit the number of sch... - https://man.mtool.work/duckdb/1.3/configuration/pragmas.html
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