PTF_ZERODATA     1265 ext/pdo_sqlite/sqlite/src/btree.c   pPage->zeroData = (flagByte & PTF_ZERODATA)!=0;
PTF_ZERODATA     5917 ext/pdo_sqlite/sqlite/src/btree.c   pPage->zeroData = (c & PTF_ZERODATA)!=0;