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Comment:If SQLITE_DIRECT_OVERFLOW_READ is defined at compile time, add "DIRECT_OVERFLOW_READ" to the list of symbols returned by "PRAGMA compile_options".
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SHA1: b7d9727bff2e840af4b090872c991693e78e6076
User & Date: dan 2016-10-21 10:09:22.112
Context
2016-10-21
10:49
Avoid using the "direct overflow read" optimization to read large blobs if the pager layer has a wal file open - even if the database header indicates that the db is not a wal database. (check-in: b54c15f117 user: dan tags: trunk)
10:09
If SQLITE_DIRECT_OVERFLOW_READ is defined at compile time, add "DIRECT_OVERFLOW_READ" to the list of symbols returned by "PRAGMA compile_options". (check-in: b7d9727bff user: dan tags: trunk)
2016-10-20
11:48
Add test case to incrblob4.test. No changes to code. (check-in: fd9c6ff05f user: dan tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/ctime.c.
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  "DEBUG",
#endif
#if SQLITE_DEFAULT_LOCKING_MODE
  "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE),
#endif
#if defined(SQLITE_DEFAULT_MMAP_SIZE) && !defined(SQLITE_DEFAULT_MMAP_SIZE_xc)
  "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE),



#endif
#if SQLITE_DISABLE_DIRSYNC
  "DISABLE_DIRSYNC",
#endif
#if SQLITE_DISABLE_LFS
  "DISABLE_LFS",
#endif








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  "DEBUG",
#endif
#if SQLITE_DEFAULT_LOCKING_MODE
  "DEFAULT_LOCKING_MODE=" CTIMEOPT_VAL(SQLITE_DEFAULT_LOCKING_MODE),
#endif
#if defined(SQLITE_DEFAULT_MMAP_SIZE) && !defined(SQLITE_DEFAULT_MMAP_SIZE_xc)
  "DEFAULT_MMAP_SIZE=" CTIMEOPT_VAL(SQLITE_DEFAULT_MMAP_SIZE),
#endif
#if SQLITE_DIRECT_OVERFLOW_READ
  "DIRECT_OVERFLOW_READ",
#endif
#if SQLITE_DISABLE_DIRSYNC
  "DISABLE_DIRSYNC",
#endif
#if SQLITE_DISABLE_LFS
  "DISABLE_LFS",
#endif
︙︙
Changes to test/ctime.test.
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do_test ctime-2.5.$tc {
  set N -1
  set ans [ catchsql {
    SELECT sqlite_compileoption_get($N);
  } ]
} {0 {{}}}














finish_test








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do_test ctime-2.5.$tc {
  set N -1
  set ans [ catchsql {
    SELECT sqlite_compileoption_get($N);
  } ]
} {0 {{}}}

#--------------------------------------------------------------------------
# Test that SQLITE_DIRECT_OVERFLOW_READ is reflected in the output of
# "PRAGMA compile_options".
#
ifcapable direct_read {
  set res 1
} else {
  set res 0
}
do_test ctime-3.0.1 {
  expr [lsearch [db eval {PRAGMA compile_options}] DIRECT_OVERFLOW_READ]>=0
} $res

finish_test