Changeset: 7d829a67bc49 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=7d829a67bc49
Modified Files:
sql/storage/store.c
Branch: default
Log Message:
Do less copying
diffs (99 lines):
diff --git a/sql/storage/store.c b/sql/storage/store.c
--- a/sql/storage/store.c
+++ b/sql/storage/store.c
@@ -541,36 +541,18 @@ load_range_partition(sql_trans *tr, sql_
rs = store->table_api.rids_select(tr, find_sql_column(ranges,
"table_id"), &pt->member, &pt->member, NULL);
if ((rid = store->table_api.rids_next(rs)) != oid_nil) {
- ValRecord vmin, vmax;
- ptr ok, cbat;
+ ptr cbat;
str v;
- vmin = vmax = (ValRecord) {.vtype = TYPE_void,};
-
+ pt->with_nills = (bit) store->table_api.column_find_bte(tr,
find_sql_column(ranges, "with_nulls"), rid);
v = store->table_api.column_find_string_start(tr,
find_sql_column(ranges, "minimum"), rid, &cbat);
- ok = VALinit(&vmin, TYPE_str, v);
+ pt->part.range.minvalue = SA_STRDUP(tr->sa, v);
+ pt->part.range.minlength = strLen(v);
store->table_api.column_find_string_end(cbat);
- if (ok) {
- v = store->table_api.column_find_string_start(tr,
find_sql_column(ranges, "maximum"), rid, &cbat);
- ok = VALinit(&vmax, TYPE_str, v);
- store->table_api.column_find_string_end(cbat);
- }
- if (ok) {
- pt->with_nills = (bit)
store->table_api.column_find_bte(tr, find_sql_column(ranges, "with_nulls"),
rid);
-
- pt->part.range.minvalue = SA_NEW_ARRAY(tr->sa, char,
vmin.len);
- pt->part.range.maxvalue = SA_NEW_ARRAY(tr->sa, char,
vmax.len);
- memcpy(pt->part.range.minvalue, VALget(&vmin),
vmin.len);
- memcpy(pt->part.range.maxvalue, VALget(&vmax),
vmax.len);
- pt->part.range.minlength = vmin.len;
- pt->part.range.maxlength = vmax.len;
- }
- VALclear(&vmin);
- VALclear(&vmax);
- if (!ok) {
- store->table_api.rids_destroy(rs);
- return -1;
- }
+ v = store->table_api.column_find_string_start(tr,
find_sql_column(ranges, "maximum"), rid, &cbat);
+ pt->part.range.maxvalue = SA_STRDUP(tr->sa, v);
+ pt->part.range.maxlength = strLen(v);
+ store->table_api.column_find_string_end(cbat);
}
store->table_api.rids_destroy(rs);
return 0;
@@ -584,7 +566,6 @@ load_value_partition(sql_trans *tr, sql_
list *vals = NULL;
oid rid;
rids *rs = store->table_api.rids_select(tr, find_sql_column(values,
"table_id"), &pt->member, &pt->member, NULL);
- int i = 0;
vals = SA_LIST(tr->sa, (fdestroy) &part_value_destroy);
if (!vals) {
@@ -593,33 +574,19 @@ load_value_partition(sql_trans *tr, sql_
}
for (rid = store->table_api.rids_next(rs); !is_oid_nil(rid); rid =
store->table_api.rids_next(rs)) {
- sql_part_value* nextv;
- ValRecord vvalue;
- ptr ok, cbat;
+ ptr cbat;
str v;
- vvalue = (ValRecord) {.vtype = TYPE_void,};
v = store->table_api.column_find_string_start(tr,
find_sql_column(values, "value"), rid, &cbat);
- ok = VALinit(&vvalue, TYPE_str, v);
+ if (strNil(v)) { /* check for null value */
+ pt->with_nills = true;
+ } else {
+ sql_part_value *nextv = SA_ZNEW(tr->sa, sql_part_value);
+ nextv->value = SA_STRDUP(tr->sa, v);
+ nextv->length = strLen(v);
+ list_append(vals, nextv);
+ }
store->table_api.column_find_string_end(cbat);
- if (ok) {
- if (VALisnil(&vvalue)) { /* check for null value */
- pt->with_nills = true;
- } else {
- nextv = SA_ZNEW(tr->sa, sql_part_value);
- nextv->value = SA_NEW_ARRAY(tr->sa, char,
vvalue.len);
- memcpy(nextv->value, VALget(&vvalue),
vvalue.len);
- nextv->length = vvalue.len;
- list_append(vals, nextv);
- }
- }
- VALclear(&vvalue);
- if (!ok) {
- store->table_api.rids_destroy(rs);
- list_destroy2(vals, tr->store);
- return -i - 1;
- }
- i++;
}
store->table_api.rids_destroy(rs);
pt->part.values = vals;
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