uniondest        108764 ext/sqlite3/libsqlite/sqlite3.c       SelectDest uniondest;
uniondest        108792 ext/sqlite3/libsqlite/sqlite3.c       sqlite3SelectDestInit(&uniondest, priorOp, unionTab);
uniondest        108794 ext/sqlite3/libsqlite/sqlite3.c       rc = sqlite3Select(pParse, pPrior, &uniondest);
uniondest        108812 ext/sqlite3/libsqlite/sqlite3.c       uniondest.eDest = op;
uniondest        108814 ext/sqlite3/libsqlite/sqlite3.c       rc = sqlite3Select(pParse, p, &uniondest);