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Improved documentation for the SQLITE_ACCESS_* constants that are used

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with the xAccess() method of the VFS.

FossilOrigin-Name: 3d4bb65f10ed0297f38e732ce57e5440cba8deef
This commit is contained in:
drh
2010-07-13 14:48:27 +00:00
parent af6ea4e9f9
commit 2103245e75
3 changed files with 29 additions and 15 deletions
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15
src/sqlite.h.in
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@@ -886,13 +886,20 @@ struct sqlite3_vfs {
** With SQLITE_ACCESS_EXISTS, the xAccess method
** simply checks whether the file exists.
** With SQLITE_ACCESS_READWRITE, the xAccess method
** checks whether the file is both readable and writable.
** checks whether the named directory is both readable and writable
** (in other words, if files can be added, removed, and renamed within
** the directory).
** The SQLITE_ACCESS_READWRITE constant is currently used only by the
** [temp_store_directory pragma], though this could change in a future
** release of SQLite.
** With SQLITE_ACCESS_READ, the xAccess method
** checks whether the file is readable.
** checks whether the file is readable. The SQLITE_ACCESS_READ constant is
** currently unused, though it might be used in a future release of
** SQLite.
*/
#define SQLITE_ACCESS_EXISTS 0
#define SQLITE_ACCESS_READWRITE 1
#define SQLITE_ACCESS_READ 2
#define SQLITE_ACCESS_READWRITE 1 /* Used by PRAGMA temp_store_directory */
#define SQLITE_ACCESS_READ 2 /* Unused */
/*
** CAPI3REF: Flags for the xShmLock VFS method