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Overview
| Comment: | Clarifications to the FTS4 languageid documentation. |
|---|---|
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
0a22af73df5e4a594b37c0b5d6fdfcdf |
| User & Date: | drh 2014-06-27 20:49:53 |
Context
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2014-06-30
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| 16:26 | Fix a couple minor typos in the download page regarding the 64-bit Windows DLL. check-in: c908300540 user: mistachkin tags: trunk | |
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2014-06-27
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| 20:49 | Clarifications to the FTS4 languageid documentation. check-in: 0a22af73df user: drh tags: trunk | |
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2014-06-26
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| 21:05 | Fix a typo in datatype3.html and add a new bullet to clarify the affinity for the RHS of an IN or NOT IN operator. check-in: e89c80cd7d user: drh tags: trunk | |
Changes
Changes to pages/fts3.in.
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then the named languageid column must exist in the content= table
(subject to the usual rules - if a query never needs to read the
content table then this restriction does not apply).
<p>
When the languageid option is used, SQLite invokes the xLanguageid()
on the sqlite3_tokenizer_module object immediately after the object
is created in order to pass in the language id that particular
tokenizer should use. The xLanguageid() method will never be called
more than once for any single tokenizer object.
<tcl>hd_fragment fts4matchinfo {FTS4 matchinfo option}</tcl>
<h2 tags="fts4 matchinfo option">The matchinfo= option</h2>
<p>
|
| | > > |
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then the named languageid column must exist in the content= table (subject to the usual rules - if a query never needs to read the content table then this restriction does not apply). <p> When the languageid option is used, SQLite invokes the xLanguageid() on the sqlite3_tokenizer_module object immediately after the object is created in order to pass in the language id that the tokenizer should use. The xLanguageid() method will never be called more than once for any single tokenizer object. The fact that different languages might be tokenized differently is one reason why no single FTS query can return rows with different languageid values. <tcl>hd_fragment fts4matchinfo {FTS4 matchinfo option}</tcl> <h2 tags="fts4 matchinfo option">The matchinfo= option</h2> <p> |