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Overview
Comment:Boundary value fix to the descriptive comment at the top of test_quota.c.
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SHA1: 7f6072f0827e3aafd17f5f2bac9e3a3f8482e5f6
User & Date: drh 2010-09-01 15:26:18.000
Context
2010-09-01
16:19
Call quota callback destructors from within sqlite3_quota_shutdown(). (check-in: fb80c6f3de user: dan tags: trunk)
15:26
Boundary value fix to the descriptive comment at the top of test_quota.c. (check-in: 7f6072f082 user: drh tags: trunk)
15:22
Merge the test_quota.c module into the trunk. (check-in: 2e1a02026a user: drh tags: trunk)
Changes
Side-by-Side Diff Ignore Whitespace Patch
Changes to src/test_quota.c.
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** This file contains a VFS "shim" - a layer that sits in between the
** pager and the real VFS.
**
** This particular shim enforces a quota system on files.  One or more
** database files are in a "quota group" that is defined by a GLOB
** pattern.  A quota is set for the combined size of all files in the
** the group.  A quota of zero means "no limit".  If the total size
** of all files in the quota group is greater than or equal to the limit,
** then write requests that attempt to enlarge a file fail with SQLITE_FULL.
** of all files in the quota group is greater than the limit, then
** write requests that attempt to enlarge a file fail with SQLITE_FULL.
**
** However, before returning SQLITE_FULL, the write requests invoke
** a callback function that is configurable for each quota group.
** This callback has the opportunity to enlarge the quota.  If the
** callback does enlarge the quota such that the total size of all
** files within the group is less than the new quota, then the write
** continues as if nothing had happened.
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