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Add the SQLITE_DEFAULT_AUTOMATIC_INDEX compile-time option, which if set to

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zero turns automatic indices off by default.  Increase the estimated cost
of an automatic index.  Additional minor refactoring of the automatic
index code.

FossilOrigin-Name: 459b3179023c2c45994ea4acbf34ed5f87cf3c18
This commit is contained in:
drh
2013-06-28 21:12:20 +00:00
parent c0537fe59b
commit 986b38792f
5 changed files with 43 additions and 32 deletions
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5
src/main.c
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@@ -2451,7 +2451,10 @@ static int openDatabase(
db->nextAutovac = -1;
db->szMmap = sqlite3GlobalConfig.szMmap;
db->nextPagesize = 0;
db->flags |= SQLITE_ShortColNames | SQLITE_AutoIndex | SQLITE_EnableTrigger
db->flags |= SQLITE_ShortColNames | SQLITE_EnableTrigger
#if !defined(SQLITE_DEAULT_AUTOMATIC_INDEX) || SQLITE_DEFAULT_AUTOMATIC_INDEX
| SQLITE_AutoIndex
#endif
#if SQLITE_DEFAULT_FILE_FORMAT<4
| SQLITE_LegacyFileFmt
#endif