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DuckDB 1.3 ドキュメント 全文検索
Results of 1 - 5 of about 5 for footer (0.002 sec.)
- Parquet Encryption – DuckDB 12740
- This page is for DuckDB 1.3, which is outdated.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
...ter specifying the key (e.g., key256 ), files can be encrypted as follows: COPY tbl TO 'tbl.parquet' ( ENCRYPTION_CONFIG { footer_key : 'key256' }); Reading Encrypted Parquet Files An encrypted Parquet file using a specific key (e.g., key256 ), can the...n be read as follows: COPY tbl FROM 'tbl.parquet' ( ENCRYPTION_CONFIG { footer_key : 'key256' }); Or: SELECT * FROM read_parquet ( 'tbl.parquet' , encryption_config = { footer_key : 'key256' }); Limita...It is not compatible with the encryption of, e.g., PyArrow, until the missing details are implemented. DuckDB encrypts the footer and all columns using the footer_key . The Parquet specification allows encryption of individual columns with different ke... - https://man.mtool.work/duckdb/1.3/data/parquet/encryption.html
- Dot Commands – DuckDB 8843
- This page is for DuckDB 1.3, which is outdated.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
...ed for keywords .keywordcode CODE Sets the syntax highlighting terminal code used for keywords .large_number_rendering all/footer/off Toggle readable rendering of large numbers (duckbox only, default: footer ) .log FILE/off Turn logging on or off . FIL...value cyan underline .highlight_colors temporal_value red bold .highlight_colors string_value green bold .highlight_colors footer gray The result highlighting can be disabled using .highlight_results off . Shorthands DuckDB's CLI allows using shorthand... - https://man.mtool.work/duckdb/1.3/clients/cli/dot_commands.html
- Output Formats – DuckDB 8714
- This page is for DuckDB 1.3, which is outdated.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
...ws human-readable rendering of large numbers. It has three levels: off – All numbers are printed using regular formatting. footer (default) – Large numbers are augmented with the human-readable format. Only applies to single-row results. all - All larg...──────────────┐ │ x │ │ double │ ├───────────────────┤ │ 3141592653.589793 │ └───────────────────┘ .large_number_rendering footer SELECT pi () * 1_000_000_000 AS x ; ┌───────────────────┐ │ x │ │ double │ ├───────────────────┤ │ 3141592653.589793 │ │ (... - https://man.mtool.work/duckdb/1.3/clients/cli/output_formats.html
- Querying Parquet Metadata – DuckDB 7979
- 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_name VARCHAR created_by VARCHAR num_rows BIGINT num_row_groups BIGINT format_version BIGINT encryption_algorithm VARCHAR footer_signing_key_metadata VARCHAR Parquet Key-Value Metadata The parquet_kv_metadata function can be used to query custom metad... - https://man.mtool.work/duckdb/1.3/data/parquet/metadata.html
- COPY Statement – DuckDB 7629
- 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
...SELECT l_orderkey , l_comment FROM lineitem ) TO 'lineitem_part.parquet' ( RETURN_STATS ); filename count file_size_bytes footer_size_bytes column_statistics partition_keys lineitem_part.parquet 600572 8579141 1445 {'"l_comment"'={column_size_bytes=76... - https://man.mtool.work/duckdb/1.3/sql/statements/copy.html
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