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Overview
| Comment: | Add documentation for SQLITE_CONFIG_MEMDB_MAXSIZE. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
cb850cf9a57b1f8de2a19f2d484adba1 |
| User & Date: | drh 2019-01-31 17:51:45 |
Context
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2019-02-01
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| 14:44 | Fix a typo on the index page. (check-in: 139fa7c746 user: drh tags: trunk) | |
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2019-01-31
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| 17:51 | Add documentation for SQLITE_CONFIG_MEMDB_MAXSIZE. (check-in: cb850cf9a5 user: drh tags: trunk) | |
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2019-01-28
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| 20:31 | Updates to the change log for version 3.27.0. (check-in: 03bca65239 user: drh tags: trunk) | |
Changes
Changes to pages/changes.in.
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 |
Use that option to prevent circular references to [shadow tables] from
causing resource leaks.
<li>Enhancements to the [sqlite3_deserialize()] interface:
<ol type="a">
<li> Add the [SQLITE_FCNTL_SIZE_LIMIT] [sqlite3_file_control|file-control] for
setting an upper bound on the size of the in-memory database created
by sqlite3_deserialize. The default upper bound is 1GiB, or whatever
alternative value is specified by [SQLITE_MEMDB_DEFAULT_MAXSIZE].
<li> Honor the [SQLITE_DESERIALIZE_READONLY] flag, which was previously described
in the documentation, but was previously a no-op.
<li> Enhance the "deserialize" command of the [TCL Interface] to give it
new "--maxsize N" and "--readonly BOOLEAN" options.
</ol>
<li>Enhancements to the [CLI], mostly to support testing and debugging
of the SQLite library itself:
|
| > > |
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 |
Use that option to prevent circular references to [shadow tables] from
causing resource leaks.
<li>Enhancements to the [sqlite3_deserialize()] interface:
<ol type="a">
<li> Add the [SQLITE_FCNTL_SIZE_LIMIT] [sqlite3_file_control|file-control] for
setting an upper bound on the size of the in-memory database created
by sqlite3_deserialize. The default upper bound is 1GiB, or whatever
alternative value is specified by
[sqlite3_config]([SQLITE_CONFIG_MEMDB_MAXSIZE])
and/or [SQLITE_MEMDB_DEFAULT_MAXSIZE].
<li> Honor the [SQLITE_DESERIALIZE_READONLY] flag, which was previously described
in the documentation, but was previously a no-op.
<li> Enhance the "deserialize" command of the [TCL Interface] to give it
new "--maxsize N" and "--readonly BOOLEAN" options.
</ol>
<li>Enhancements to the [CLI], mostly to support testing and debugging
of the SQLite library itself:
|
Changes to pages/compile.in.
487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 |
[prepared statement] will use to aid with CPU-intensive computations
(mostly sorting). See also the [SQLITE_DEFAULT_WORKER_THREADS] options.
}
COMPILE_OPTION {SQLITE_MEMDB_DEFAULT_MAXSIZE=<i>N</i>} {
Set the default size limit (in bytes) for in-memory databases created using
[sqlite3_deserialize()]. This is just the default. The limit can be
changed at run-time for individual databases using the
[SQLITE_FCNTL_SIZE_LIMIT] [sqlite3_file_control|file-control].
If no default is specified, 1073741824 is used.
}
COMPILE_OPTION {SQLITE_MINIMUM_FILE_DESCRIPTOR=<i>N</i>} {
The unix [VFS] will never use a file descriptor less than <i>N</i>. The
default value of <i>N</i> is 3.
|
> > | |
487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 |
[prepared statement] will use to aid with CPU-intensive computations
(mostly sorting). See also the [SQLITE_DEFAULT_WORKER_THREADS] options.
}
COMPILE_OPTION {SQLITE_MEMDB_DEFAULT_MAXSIZE=<i>N</i>} {
Set the default size limit (in bytes) for in-memory databases created using
[sqlite3_deserialize()]. This is just the default. The limit can be
changed at start-time using
[sqlite3_config]([SQLITE_CONFIG_MEMDB_MAXSIZE],N)
or at run-time for individual databases using the
[SQLITE_FCNTL_SIZE_LIMIT] [sqlite3_file_control|file-control].
If no default is specified, 1073741824 is used.
}
COMPILE_OPTION {SQLITE_MINIMUM_FILE_DESCRIPTOR=<i>N</i>} {
The unix [VFS] will never use a file descriptor less than <i>N</i>. The
default value of <i>N</i> is 3.
|