isColFilter      145777 ext/sqlite3/libsqlite/sqlite3.c   int isColFilter =    (pCsr->pFilter->flags & FTS3_SEGMENT_COLUMN_FILTER);
isColFilter      145842 ext/sqlite3/libsqlite/sqlite3.c     assert( isIgnoreEmpty || (isRequirePos && !isColFilter) );
isColFilter      145884 ext/sqlite3/libsqlite/sqlite3.c         if( isColFilter ){