Changeset: 31b20e1648ed for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/31b20e1648ed
Modified Files:
sql/storage/bat/bat_storage.c
Branch: Mar2025
Log Message:
Some fixes to altering the type of a column.
(grafted from ec6ff0a04b5c78898caf0cae58deeec257ef9e79)
diffs (20 lines):
diff --git a/sql/storage/bat/bat_storage.c b/sql/storage/bat/bat_storage.c
--- a/sql/storage/bat/bat_storage.c
+++ b/sql/storage/bat/bat_storage.c
@@ -3054,10 +3054,15 @@ col_subtype(sql_trans *tr, sql_column *c
if (!b)
return res;
- BAT *bn = BATconvert(b, NULL /* could use tids, but need NILS
*/, t->type->localtype, col->type.scale, t->scale, t->digits);
+ BAT *bn = BATconvert(b, NULL /* could use tids, but need NILS
*/, t->type->localtype, col->type.scale, t->scale, t->type->eclass == EC_NUM ?
0 : t->digits);
if (!bn)
return res;
BBPreclaim(b);
+ b = COLcopy(bn, bn->ttype, true, PERSISTENT);
+ BBPreclaim(bn);
+ if ((bn = b) == NULL)
+ return res;
+
res = swap_bats(tr, col, bn);
BBPreclaim(bn);
}
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