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Overview
| Comment: | Fix the CLI documentation to always use ".headers" instead of sometimes using the abbreviated ".header". |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
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| SHA3-256: |
a2762f031964e774a1cef9b90f82de80 |
| User & Date: | drh 2019-11-23 16:36:41 |
Context
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2019-12-06
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| 02:35 | Enhance the rtree auxiliary column documentation to point out that constraints such as NOT NULL on auxiliary columns are silently ignored. SQLite ticket https://www.sqlite.org/src/info/8bf76328ac940d52 (check-in: c3ab325994 user: drh tags: trunk) | |
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2019-11-23
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| 16:36 | Fix the CLI documentation to always use ".headers" instead of sometimes using the abbreviated ".header". (check-in: a2762f0319 user: drh tags: trunk) | |
| 00:22 | Documentation updates for new features. (check-in: 604ac8689d user: drh tags: trunk) | |
Changes
Changes to pages/cli.in.
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346 347 348 349 350 351 352 | first row of data. This makes the column width self-adjusting. The default width setting for every column is this auto-adjusting 0 value.</p> <p>Use a negative column width for right-justified columns.</p> <p>The column labels that appear on the first two lines of output | | | | 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 |
first row of data. This makes the column width self-adjusting.
The default width setting for every column is this
auto-adjusting 0 value.</p>
<p>Use a negative column width for right-justified columns.</p>
<p>The column labels that appear on the first two lines of output
can be turned on and off using the ".headers" dot command. In the
examples above, the column labels are on. To turn them off you
could do this:</p>
<tclscript>DisplayCode {
sqlite> (((.headers off)))
sqlite> (((select * from tbl1;)))
hello 10
goodbye 20
sqlite>
}</tclscript>
<p>Another useful output mode is "insert". In insert mode, the output
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656 657 658 659 660 661 662 |
<h1>CSV Export</h1>
<p>To export an SQLite table (or part of a table) as CSV, simply set
the "mode" to "csv" and then run a query to extract the desired rows
of the table.
<tclscript>DisplayCode {
| | | | | 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 |
<h1>CSV Export</h1>
<p>To export an SQLite table (or part of a table) as CSV, simply set
the "mode" to "csv" and then run a query to extract the desired rows
of the table.
<tclscript>DisplayCode {
sqlite> (((.headers on)))
sqlite> (((.mode csv)))
sqlite> (((.once c:/work/dataout.csv)))
sqlite> (((SELECT * FROM tab1;)))
sqlite> (((.system c:/work/dataout.csv)))
}</tclscript>
<p>In the example above, the ".headers on" line causes column labels to
be printed as the first row of output. This means that the first row of
the resulting CSV file will contain column labels. If column labels are
not desired, set ".headers off" instead. (The ".headers off" setting is
the default and can be omitted if the headers have not been previously
turned on.)
<p>The line ".once <i>FILENAME</i>" causes all query output to go into
the named file instead of being printed on the console. In the example
above, that line causes the CSV content to be written into a file named
"C:/work/dataout.csv".
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