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Overview
Comment:Another bullet on the 3.12.0 change log.
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 1b4e717575ff9a2e0c8644aab4844815ab4f6871
User & Date: drh 2016-03-09 16:03:43
Context
2016-03-09
20:54
Update the fts5 documentation for the 'usermerge' option and 'merge' command. check-in: 9ed173645f user: dan tags: trunk
16:03
Another bullet on the 3.12.0 change log. check-in: 1b4e717575 user: drh tags: trunk
15:56
Updates to the change log for 3.12.0. check-in: 92353888aa user: drh tags: trunk
Changes
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<li>The query planner is able to optimize IN operators on [virtual tables]
    even if the [xBestIndex] method does not set the
    sqlite3_index_constraint_usage.omit flag of the
    virtual table column to the left of the IN operator.
<li>The query planner now does a better job of optimizing [virtual table]
    accesses in a 3-way or higher join where constraints on the virtual
    table are split across two or more other terms of the join.

<p><b>New Features:</b>
<li>Added the [SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER] option to [sqlite3_db_config()]
    which allows the two-argument version of the [fts3_tokenizer()] SQL function to
    be enabled or disabled at run-time.
<li>The [PRAGMA defer_foreign_keys=ON] statement now also disables 
    [foreign key actions|RESTRICT actions] on foreign key.
<li>Added the [SQLITE_DEFAULT_SYNCHRONOUS] and [SQLITE_DEFAULT_WAL_SYNCHRONOUS]







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<li>The query planner is able to optimize IN operators on [virtual tables]
    even if the [xBestIndex] method does not set the
    sqlite3_index_constraint_usage.omit flag of the
    virtual table column to the left of the IN operator.
<li>The query planner now does a better job of optimizing [virtual table]
    accesses in a 3-way or higher join where constraints on the virtual
    table are split across two or more other terms of the join.
<li>Reduce the amount of memory needed to hold the schema.
<p><b>New Features:</b>
<li>Added the [SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER] option to [sqlite3_db_config()]
    which allows the two-argument version of the [fts3_tokenizer()] SQL function to
    be enabled or disabled at run-time.
<li>The [PRAGMA defer_foreign_keys=ON] statement now also disables 
    [foreign key actions|RESTRICT actions] on foreign key.
<li>Added the [SQLITE_DEFAULT_SYNCHRONOUS] and [SQLITE_DEFAULT_WAL_SYNCHRONOUS]