SQLITE_OPEN_PRIVATECACHE 1036 ext/sqlite3/libsqlite/sqlite3.c #define SQLITE_OPEN_PRIVATECACHE     0x00040000  /* Ok for sqlite3_open_v2() */
SQLITE_OPEN_PRIVATECACHE  489 ext/sqlite3/libsqlite/sqlite3.h #define SQLITE_OPEN_PRIVATECACHE     0x00040000  /* Ok for sqlite3_open_v2() */