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Search results 1..10 of 13 for: fts5

SQLite FTS5 Extension
(fts5.html)
1. Overview of FTS5  ... SELECT * FROM email WHERE email MATCH 'fts5'; SELECT * FROM email WHERE email = 'fts5'; SELECT * FROM email('fts5'); By default, FTS5 full-text searches are case-independent. Like any other SQL query that does not contain an ORDER BY clause, the ... 
3. Limitations  ... For several of SQLite's bundled virtual tables (FTS3, FTS5, rtree and others), the surprising effects may include corruption of the virtual table content. If the --vtab option is passed to sqldiff.exe, then it ignores all underlying shadow tables ... 
List Of Virtual Tables
(vtablist.html)
2. Virtual Tables  ... computer. Used by the CLI to help implement the .archive command. FTS3 A high-performance full-text search index. FTS5 A higher-performance full-text search index generate_series A table-valued function returning a sequence of integers, modeled after the ... 
2.1. Use of Lemon Within SQLite  ... Lemon is also used to generate the parser for the query pattern expressions in the FTS5 extension. In this case, the input grammar file is fts5parse.y.
The SQLite Amalgamation
(amalgamation.html)
2. The SQLite Amalgamation  ... The makefiles for SQLite have an "sqlite3.c" target for building the amalgamation, to contain all C code for the core SQLite library and the FTS3, FTS5, RTREE, DBSTAT, JSON1, RBU and SESSION extensions. This file contains about 238K lines ... 
Profiling SQL Queries
(profile.html)
2. Simple Cases - Rows, Loops and Cycles  ... CREATE VIRTUAL TABLE ft USING fts5(text); CREATE TABLE t1(a, b); CREATE TABLE t2(c INTEGER PRIMARY KEY, d); Then, after first executing ".scanstats on": sqlite3> SELECT * FROM t1, t2 WHERE t2.c=t1.a; <...query results...> ... 
Recent SQLite News
(news.html)
 ... Version 3.44.2 also fixes an FTS5 problem that was found by a fuzzer just minutes after the 3.44.1 release. 2023-11-22 - Version 3.44.1 Version 3.44.1 is a patch release that fixes ... 
2. A Brief History Of Pointer Passing In SQLite  ... In order for an application to add new extensions to FTS5, such as new tokenizers, the application needs a pointer to the "fts5_api" object. In the CARRAY extension, the application needs to tell the extension the location of a C ... 
Vulnerabilities
(cves.html)
3. Status Of Recent SQLite CVEs  ... A coding error causes FTS5 to sometimes return inconsistent and incorrect results under obscure circumstances, but no memory errors occur. (details) CVE-2020-15358 3.32.3(2020-06-18) Malicious SQL statement causes a read past the end of ... 
2.22. The xIntegrity Method  ... So, for example, if the inverted index for FTS5 is found to be internally inconsistent, then the xIntegrity method should write an appropriate error message into the pzErr parameter and return SQLITE_OK. But if the xIntegrity method is unable to ... 

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