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Fixes to the UPDATE logic in Geopoly.

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FossilOrigin-Name: 7c3cee0a2a5ccacff27400c38bd708f7b9b968eb013a8fa685d876dfe85e12a6
This commit is contained in:
drh
2018-08-29 20:52:40 +00:00
parent 9d67afc421
commit 17f19eadb8
5 changed files with 64 additions and 15 deletions
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18
ext/rtree/geopoly.c
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@ -1122,7 +1122,8 @@ static int geopolyInit(
*/
pSql = sqlite3_str_new(db);
sqlite3_str_appendf(pSql, "CREATE TABLE x(_shape");
pRtree->nAux = 1; /* Add one for _shape */
pRtree->nAux = 1; /* Add one for _shape */
pRtree->nAuxNotNull = 1; /* The _shape column is always not-null */
for(ii=3; ii<argc; ii++){
pRtree->nAux++;
sqlite3_str_appendf(pSql, ",%s", argv[ii]);
@ -1396,6 +1397,7 @@ static int geopolyColumn(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){
if( rc ) return rc;
if( p==0 ) return SQLITE_OK;
if( i==0 && sqlite3_vtab_nochange(ctx) ) return SQLITE_OK;
if( i<=pRtree->nAux ){
if( !pCsr->bAuxValid ){
if( pCsr->pReadAux==0 ){
@ -1465,7 +1467,6 @@ static int geopolyUpdate(
rtreeReference(pRtree);
assert(nData>=1);
rc = SQLITE_ERROR;
oldRowidValid = sqlite3_value_type(aData[0])!=SQLITE_NULL;;
oldRowid = oldRowidValid ? sqlite3_value_int64(aData[0]) : 0;
newRowidValid = nData>1 && sqlite3_value_type(aData[1])!=SQLITE_NULL;
@ -1489,7 +1490,7 @@ static int geopolyUpdate(
/* If a rowid value was supplied, check if it is already present in
** the table. If so, the constraint has failed. */
if( newRowidValid ){
if( newRowidValid && (!oldRowidValid || oldRowid!=newRowid) ){
int steprc;
sqlite3_bind_int64(pRtree->pReadRowid, 1, cell.iRowid);
steprc = sqlite3_step(pRtree->pReadRowid);
@ -1543,8 +1544,15 @@ static int geopolyUpdate(
int jj;
int nChange = 0;
sqlite3_bind_int64(pUp, 1, cell.iRowid);
for(jj=0; jj<pRtree->nAux; jj++){
if( !sqlite3_value_nochange(aData[jj+2]) ) nChange++;
assert( pRtree->nAux>=1 );
if( sqlite3_value_nochange(aData[2]) ){
sqlite3_bind_null(pUp, 2);
}else{
sqlite3_bind_value(pUp, 2, aData[2]);
nChange = 1;
}
for(jj=1; jj<pRtree->nAux; jj++){
nChange++;
sqlite3_bind_value(pUp, jj+2, aData[jj+2]);
}
if( nChange ){