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Overview
| Comment: | Fix an error in the previous commit. |
|---|---|
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
3c5651477815a9f5a5421eb5b5e59cda |
| User & Date: | dan 2015-08-20 08:58:31 |
Context
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2015-08-21
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| 14:22 | Add NDSeV to the front page as an acknowledged SQLite Consortium member. check-in: ccecfa130e user: drh tags: trunk | |
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2015-08-20
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| 08:58 | Fix an error in the previous commit. check-in: 3c56514778 user: dan tags: trunk | |
| 05:47 | Fix an error in an example in the FTS5 documentation. check-in: 2ff6a32555 user: dan tags: trunk | |
Changes
Changes to pages/fts5.in.
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INSERT INTO ft(rowid, a, b) VALUES(1, 'X Y', 'Y Z');
INSERT INTO ft(rowid, a, b) VALUES(2, 'A Z', 'Y Y');
<i>-- The FTS5 module creates the following mapping on disk:</i>
A --> (2, 0, 0)
X --> (1, 0, 0)
Y --> (1, 0, 1) (1, 1, 0) (2, 1, 0) (2, 1, 1)
Z --> (1, 2, 1) (2, 0, 1)
</codeblock>
<p>In the example above, each triple identifies the location of a token
instance by rowid, column number (columns are numbered sequentially
starting at 0 from left to right) and position within the column value (the
first token in a column value is 0, the second is 1, and so on). Using this
index, FTS5 is able to provide timely answers to queries such as "the set
|
| |
1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 |
INSERT INTO ft(rowid, a, b) VALUES(1, 'X Y', 'Y Z');
INSERT INTO ft(rowid, a, b) VALUES(2, 'A Z', 'Y Y');
<i>-- The FTS5 module creates the following mapping on disk:</i>
A --> (2, 0, 0)
X --> (1, 0, 0)
Y --> (1, 0, 1) (1, 1, 0) (2, 1, 0) (2, 1, 1)
Z --> (1, 1, 1) (2, 0, 1)
</codeblock>
<p>In the example above, each triple identifies the location of a token
instance by rowid, column number (columns are numbered sequentially
starting at 0 from left to right) and position within the column value (the
first token in a column value is 0, the second is 1, and so on). Using this
index, FTS5 is able to provide timely answers to queries such as "the set
|