docListSpliceElement  630 third_party/sqlite/src/ext/fts1/fts1.c   docListSpliceElement(&reader, firstDocid(pUpdate),
docListSpliceElement  657 third_party/sqlite/src/ext/fts1/fts1.c     docListSpliceElement(&accReader, iDocid, pSource, updateReader.p-pSource);