sqliteBtreeBeginTrans  483 ext/sqlite/libsqlite/src/build.c       rc = sqliteBtreeBeginTrans(db->aDb[1].pBt);
sqliteBtreeBeginTrans 2175 ext/sqlite/libsqlite/src/vdbe.c     rc = sqliteBtreeBeginTrans(db->aDb[i].pBt);
sqliteBtreeBeginTrans 2472 ext/sqlite/libsqlite/src/vdbe.c     rc = sqliteBtreeBeginTrans(pCx->pBt);