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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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7
ext/rtree/rtree.c
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@ -127,6 +127,7 @@ struct Rtree {
u8 nBytesPerCell; /* Bytes consumed per cell */
u8 inWrTrans; /* True if inside write transaction */
u8 nAux; /* # of auxiliary columns in %_rowid */
u8 nAuxNotNull; /* Number of initial not-null aux columns */
int iDepth; /* Current depth of the r-tree structure */
char *zDb; /* Name of database containing r-tree table */
char *zName; /* Name of r-tree table */
@ -3453,7 +3454,11 @@ static int rtreeSqlInit(
sqlite3_str_appendf(p, "UPDATE \"%w\".\"%w_rowid\"SET ", zDb, zPrefix);
for(ii=0; ii<pRtree->nAux; ii++){
if( ii ) sqlite3_str_append(p, ",", 1);
sqlite3_str_appendf(p,"a%d=?%d",ii,ii+2);
if( ii<pRtree->nAuxNotNull ){
sqlite3_str_appendf(p,"a%d=coalesce(?%d,a%d)",ii,ii+2,ii);
}else{
sqlite3_str_appendf(p,"a%d=?%d",ii,ii+2);
}
}
sqlite3_str_appendf(p, " WHERE rowid=?1");
zSql = sqlite3_str_finish(p);