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Changes to allow FTS4 tables to be created without the underlying %_docsize table (in order to save space).

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FossilOrigin-Name: 31989b18f53d97eddfb39660ef04fbf9463583e0
This commit is contained in:
dan
2010-11-02 17:41:52 +00:00
parent 07bf3918f9
commit af4c214e1f
10 changed files with 256 additions and 96 deletions
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10
ext/fts3/fts3_write.c
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@ -683,6 +683,8 @@ static int fts3DeleteAll(Fts3Table *p){
fts3SqlExec(&rc, p, SQL_DELETE_ALL_SEGDIR, 0);
if( p->bHasDocsize ){
fts3SqlExec(&rc, p, SQL_DELETE_ALL_DOCSIZE, 0);
}
if( p->bHasStat ){
fts3SqlExec(&rc, p, SQL_DELETE_ALL_STAT, 0);
}
return rc;
@ -1035,7 +1037,7 @@ int sqlite3Fts3SegReaderCost(
** for the segment is stored on the root page of the b-tree, then the cost
** is zero. In this case all required data is already in main memory.
*/
if( p->bHasDocsize
if( p->bHasStat
&& !fts3SegReaderIsPending(pReader)
&& !fts3SegReaderIsRootOnly(pReader)
){
@ -2855,8 +2857,8 @@ int sqlite3Fts3UpdateMethod(
fts3SqlExec(&rc, p, SQL_DELETE_CONTENT, apVal);
if( p->bHasDocsize ){
fts3SqlExec(&rc, p, SQL_DELETE_DOCSIZE, apVal);
nChng--;
}
nChng--;
}
}
}else if( sqlite3_value_type(apVal[p->nColumn+2])!=SQLITE_NULL ){
@ -2874,12 +2876,12 @@ int sqlite3Fts3UpdateMethod(
rc = fts3InsertTerms(p, apVal, aSzIns);
}
if( p->bHasDocsize ){
nChng++;
fts3InsertDocsize(&rc, p, aSzIns);
}
nChng++;
}
if( p->bHasDocsize ){
if( p->bHasStat ){
fts3UpdateDocTotals(&rc, p, aSzIns, aSzDel, nChng);
}