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Overview
Comment:Updates to the documentation on the VFS xOpen method.
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SHA1: 1719cb8f49bb138adcf8913a2d042f9e1360d78a
User & Date: drh 2010-09-07 23:28:58
Context
2010-09-08
02:30
Improved documentation of SQLITE_THREADSAFE and sqlite3_column_text() and evidence marks for each. check-in: 0d7a5389 user: drh tags: trunk
2010-09-07
23:28
Updates to the documentation on the VFS xOpen method. check-in: 1719cb8f user: drh tags: trunk
19:10
Update the sqlite3_limit() documentation to explain that SQLITE_LIMIT_VDBE_OP is not enforced. check-in: 17be9bee user: drh tags: trunk
Changes
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Changes to src/sqlite.h.in.

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** or modify this field while holding a particular static mutex.
** The application should never modify anything within the sqlite3_vfs
** object once the object has been registered.
**
** The zName field holds the name of the VFS module.  The name must
** be unique across all VFS modules.
**
** ^SQLite will guarantee that the zFilename parameter to xOpen
** is either a NULL pointer or string obtained




** from xFullPathname().  ^SQLite further guarantees that
** the string will be valid and unchanged until xClose() is
** called. Because of the previous sentence,
** the [sqlite3_file] can safely store a pointer to the
** filename if it needs to remember the filename for some reason.
** If the zFilename parameter to xOpen is a NULL pointer then xOpen
** must invent its own temporary name for the file.  ^Whenever the 
** xFilename parameter is NULL it will also be the case that the







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** or modify this field while holding a particular static mutex.
** The application should never modify anything within the sqlite3_vfs
** object once the object has been registered.
**
** The zName field holds the name of the VFS module.  The name must
** be unique across all VFS modules.
**
** ^SQLite guarantees that the zFilename parameter to xOpen
** is either a NULL pointer or string obtained
** from xFullPathname() with an optional suffix added.
** ^If a suffix is added to the zFilename parameter, it will
** consist of a single "-" character followed by no more than
** 10 alphanumeric and/or "-" characters.
** ^SQLite further guarantees that
** the string will be valid and unchanged until xClose() is
** called. Because of the previous sentence,
** the [sqlite3_file] can safely store a pointer to the
** filename if it needs to remember the filename for some reason.
** If the zFilename parameter to xOpen is a NULL pointer then xOpen
** must invent its own temporary name for the file.  ^Whenever the 
** xFilename parameter is NULL it will also be the case that the