Changeset: aa5cad7b1104 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/aa5cad7b1104
Modified Files:
monetdb5/modules/kernel/bat5.c
Branch: Jul2021
Log Message:
Disallow reuse and shrink on 0 width bats (just be defensive)
diffs (35 lines):
diff --git a/monetdb5/modules/kernel/bat5.c b/monetdb5/modules/kernel/bat5.c
--- a/monetdb5/modules/kernel/bat5.c
+++ b/monetdb5/modules/kernel/bat5.c
@@ -854,6 +854,11 @@ BKCshrinkBAT(bat *ret, const bat *bid, c
uint16_t width = bi.width;
switch (width) {
+ case 0:
+ bat_iterator_end(&bi);
+ BBPunfix(b->batCacheid);
+ BBPunfix(bn->batCacheid);
+ throw(MAL, "bat.shrink", SQLSTATE(42000) "bat.shrink
not available for 0 width types");
case 1:shrinkloop(bte); break;
case 2:shrinkloop(sht); break;
case 4:shrinkloop(int); break;
@@ -1014,12 +1019,18 @@ BKCreuseBAT(bat *ret, const bat *bid, co
BBPunfix(bn->batCacheid);
BBPunfix(b->batCacheid);
BBPunfix(bs->batCacheid);
- throw(MAL, "bat.shrink", GDK_EXCEPTION);
+ throw(MAL, "bat.reuse", GDK_EXCEPTION);
}
}
} else {
BUN n = 0;
switch (bi.width) {
+ case 0:
+ bat_iterator_end(&bi);
+ BBPunfix(bn->batCacheid);
+ BBPunfix(b->batCacheid);
+ BBPunfix(bs->batCacheid);
+ throw(MAL, "bat.reuse", SQLSTATE(42000) "bat.reuse not
available for 0 width types");
case 1:
reuseloop(bte);
break;
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