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Overview
Comment:Tweak the documentation for SQLITE_LIMIT_WORKER_THREADS. No changes to executable code.
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SHA1: 672e7387b1bda8d007da7de4244226577d7ab2dc
User & Date: drh 2014-09-01 18:21:27
Context
2014-09-01
19:29
For sqlite3_win32_is_nt(), assume WinRT is NT-based and revise #ifdef ordering to prefer the ANSI version of GetVersionEx, when available. check-in: be0a0372 user: mistachkin tags: trunk
18:21
Tweak the documentation for SQLITE_LIMIT_WORKER_THREADS. No changes to executable code. check-in: 672e7387 user: drh tags: trunk
17:36
Add support for using separate worker threads to speed large sorts. The SQLITE_MAX_WORKER_THREADS and SQLITE_DEFAULT_WORKER_THREADS compile-time options and the SQLITE_LIMIT_WORKER_THREADS argument to sqlite3_limit() and the "PRAGMA threads=N" pragma are added. check-in: b1c0f0bc user: drh tags: trunk
Changes
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Changes to src/sqlite.h.in.

  3071   3071   ** ^(<dt>SQLITE_LIMIT_VARIABLE_NUMBER</dt>
  3072   3072   ** <dd>The maximum index number of any [parameter] in an SQL statement.)^
  3073   3073   **
  3074   3074   ** [[SQLITE_LIMIT_TRIGGER_DEPTH]] ^(<dt>SQLITE_LIMIT_TRIGGER_DEPTH</dt>
  3075   3075   ** <dd>The maximum depth of recursion for triggers.</dd>)^
  3076   3076   **
  3077   3077   ** [[SQLITE_LIMIT_WORKER_THREADS]] ^(<dt>SQLITE_LIMIT_WORKER_THREADS</dt>
  3078         -** <dd>The maximum number of separate worker threads that a single
  3079         -** [database connection] may start to help it with a computation.</dd>)^
         3078  +** <dd>The maximum number of auxiliary worker threads that a single
         3079  +** [prepared statement] may start.</dd>)^
  3080   3080   ** </dl>
  3081   3081   */
  3082   3082   #define SQLITE_LIMIT_LENGTH                    0
  3083   3083   #define SQLITE_LIMIT_SQL_LENGTH                1
  3084   3084   #define SQLITE_LIMIT_COLUMN                    2
  3085   3085   #define SQLITE_LIMIT_EXPR_DEPTH                3
  3086   3086   #define SQLITE_LIMIT_COMPOUND_SELECT           4