SQLITE_OPEN_MAIN_DB 1016 third_party/sqlite/amalgamation/sqlite3.c #define SQLITE_OPEN_MAIN_DB          0x00000100  /* VFS only */
SQLITE_OPEN_MAIN_DB  473 third_party/sqlite/amalgamation/sqlite3.h #define SQLITE_OPEN_MAIN_DB          0x00000100  /* VFS only */