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Updated documentation on sqlite3_temp_directory. No changes to code.

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FossilOrigin-Name: e6225a7bf77a700b318563b1a854b4b3a9e031e1
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drh
2014-07-23 15:51:29 +00:00
parent 0f65cce825
commit 11d451eb8a
3 changed files with 19 additions and 7 deletions
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12
src/sqlite.h.in
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@@ -4711,6 +4711,13 @@ int sqlite3_sleep(int);
** is a NULL pointer, then SQLite performs a search for an appropriate
** temporary file directory.
**
** Applications are strongly discouraged from using this global variable.
** It is required to set a temporary folder on Windows Runtime (WinRT).
** But for all other platforms, it is highly recommended that applications
** neither read nor write this variable. This global variable is a relic
** that exists for backwards compatibility of legacy applications and should
** be avoided in new projects.
**
** It is not safe to read or modify this variable in more than one
** thread at a time. It is not safe to read or modify this variable
** if a [database connection] is being used at the same time in a separate
@@ -4729,6 +4736,11 @@ int sqlite3_sleep(int);
** Hence, if this variable is modified directly, either it should be
** made NULL or made to point to memory obtained from [sqlite3_malloc]
** or else the use of the [temp_store_directory pragma] should be avoided.
** Except when requested by the [temp_store_directory pragma], SQLite
** does not free the memory that sqlite3_temp_directory points to. If
** the application wants that memory to be freed, it must do
** so itself, taking care to only do so after all [database connection]
** objects have been destroyed.
**
** <b>Note to Windows Runtime users:</b> The temporary directory must be set
** prior to calling [sqlite3_open] or [sqlite3_open_v2]. Otherwise, various