1755     SessionTable *pTo;            /* Table zTbl */  in sqlite3session_diff()  local
1758     rc = sessionFindTable(pSession, zTbl, &pTo);  in sqlite3session_diff()
1759     if( pTo==0 ) goto diff_out;  in sqlite3session_diff()
1760     if( sessionInitTable(pSession, pTo) ){  in sqlite3session_diff()
1774         if( pTo->nCol!=nCol ){  in sqlite3session_diff()
1779             if( pTo->abPK[i]!=abPK[i] ) bMismatch = 1;  in sqlite3session_diff()
1780             if( sqlite3_stricmp(azCol[i], pTo->azCol[i]) ) bMismatch = 1;  in sqlite3session_diff()
1799       zExpr = sessionExprComparePK(pTo->nCol,   in sqlite3session_diff()
1800           zDb, zFrom, pTo->zName, pTo->azCol, pTo->abPK  in sqlite3session_diff()
1806       rc = sessionDiffFindNew(SQLITE_INSERT, pSession, pTo, zDb, zFrom, zExpr);  in sqlite3session_diff()
1811       rc = sessionDiffFindNew(SQLITE_DELETE, pSession, pTo, zFrom, zDb, zExpr);  in sqlite3session_diff()
1816       rc = sessionDiffFindModified(pSession, pTo, zFrom, zExpr);  in sqlite3session_diff()