diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/fts5/fts5_index.c | 7 | ||||
| -rw-r--r-- | ext/fts5/test/fts5contentless5.test | 56 |
2 files changed, 60 insertions, 3 deletions
diff --git a/ext/fts5/fts5_index.c b/ext/fts5/fts5_index.c index 4363305a5..a51ae19e7 100644 --- a/ext/fts5/fts5_index.c +++ b/ext/fts5/fts5_index.c @@ -4889,6 +4889,11 @@ static int fts5IndexFindDeleteMerge(Fts5Index *p, Fts5Structure *pStruct){ nBest = nPercent; } } + + /* If pLvl is already the input level to an ongoing merge, look no + ** further for a merge candidate. The caller should be allowed to + ** continue merging from pLvl first. */ + if( pLvl->nMerge ) break; } } return iRet; @@ -8813,7 +8818,7 @@ static int fts5structConnectMethod( /* ** We must have a single struct=? constraint that will be passed through -** into the xFilter method. If there is no valid stmt=? constraint, +** into the xFilter method. If there is no valid struct=? constraint, ** then return an SQLITE_CONSTRAINT error. */ static int fts5structBestIndexMethod( diff --git a/ext/fts5/test/fts5contentless5.test b/ext/fts5/test/fts5contentless5.test index 356367886..86d075328 100644 --- a/ext/fts5/test/fts5contentless5.test +++ b/ext/fts5/test/fts5contentless5.test @@ -35,8 +35,8 @@ do_execsql_test 1.01 { } # explain_i "UPDATE t1 SET a='a' WHERE t1.rowid=1" -breakpoint -explain_i "UPDATE t1 SET a='a' FROM t2 WHERE t1.rowid=1 AND b IS NULL" +#breakpoint +#explain_i "UPDATE t1 SET a='a' FROM t2 WHERE t1.rowid=1 AND b IS NULL" #breakpoint #explain_i "UPDATE t1 SET a='a' WHERE b IS NULL AND rowid=?" @@ -56,4 +56,56 @@ foreach {tn up err} { do_catchsql_test 1.$tn $up $res($err) } +#------------------------------------------------------------------------- +reset_db + +proc random {n} { expr {abs(int(rand()*$n))} } +proc select_one {list} { + set n [llength $list] + lindex $list [random $n] +} +proc vocab {} { + list abc def ghi jkl mno pqr stu vwx yza +} +proc term {} { + select_one [vocab] +} +proc document {} { + set nTerm [expr [random 3] + 7] + set doc "" + for {set ii 0} {$ii < $nTerm} {incr ii} { + lappend doc [term] + } + set doc +} +db func document document + +do_execsql_test 2.0 { + CREATE VIRTUAL TABLE ft USING fts5(a, contentless_delete=1, content=''); + INSERT INTO ft(ft, rank) VALUES('pgsz', 64); +} + +do_test 2.1 { + for {set ii 1} {$ii < 12} {incr ii} { + db transaction { + for {set jj 0} {$jj < 10} {incr jj} { + set doc [document] + execsql { INSERT INTO ft VALUES($doc); } + } + } + } +} {} + +do_test 2.2 { + foreach r [db eval {SELECT rowid FROM ft}] { + execsql { DELETE FROM ft WHERE rowid=$r } + } +} {} + +set doc [document] +do_execsql_test 2.3 { + INSERT INTO ft VALUES($doc) +} + + finish_test |