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* Boldly make SQLite WAL mode the default again. Hopefully the 

intermittent problems are gone by now.  WAL mode is preferrable
  because it does way fewer fsyncs.
This commit is contained in:
Eelco Dolstra 2011-11-07 21:11:59 +00:00
parent a6a3f3a8c2
commit c0b706213d
2 changed files with 4 additions and 5 deletions
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2
configure.ac
View File

@ -255,7 +255,7 @@ AC_ARG_WITH(sqlite, AC_HELP_STRING([--with-sqlite=PATH],
[prefix of SQLite]),
sqlite=$withval, sqlite=)
AM_CONDITIONAL(HAVE_SQLITE, test -n "$sqlite")
SQLITE_VERSION=3070701
SQLITE_VERSION=3070900
AC_SUBST(SQLITE_VERSION)
if test -z "$sqlite"; then
sqlite_lib='${top_builddir}/externals/sqlite-autoconf-$(SQLITE_VERSION)/libsqlite3.la'

7
src/libstore/local-store.cc
View File

@ -327,10 +327,9 @@ void LocalStore::openDB(bool create)
if (sqlite3_exec(db, ("pragma synchronous = " + syncMode + ";").c_str(), 0, 0, 0) != SQLITE_OK)
throwSQLiteError(db, "setting synchronous mode");
/* Set the SQLite journal mode. WAL mode is fastest, but doesn't
seem entirely stable at the moment (Oct. 2010). Thus, use
truncate mode by default. */
string mode = queryBoolSetting("use-sqlite-wal", false) ? "wal" : "truncate";
/* Set the SQLite journal mode. WAL mode is fastest, so it's the
default. */
string mode = queryBoolSetting("use-sqlite-wal", true) ? "wal" : "truncate";
string prevMode;
{
SQLiteStmt stmt;