Changeset: 780c378dd100 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/780c378dd100
Modified Files:
sql/storage/bat/bat_storage.c
Branch: Dec2023
Log Message:
only free delta's once the parent is merged. This makes sure other threads one
access those older deltas.
diffs (39 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
@@ -4468,7 +4468,7 @@ tc_gc_col( sql_store Store, sql_change *
return LOG_OK; /* cannot cleanup yet */
// d is oldest reachable delta
- if (d->next) // Unreachable can immediately be destroyed.
+ if (d->cs.merged && d->next) // Unreachable can immediately be
destroyed.
destroy_delta(d->next, true);
d->next = NULL;
@@ -4508,7 +4508,7 @@ tc_gc_upd_col( sql_store Store, sql_chan
return LOG_OK; /* cannot cleanup yet */
// d is oldest reachable delta
- if (d->next) // Unreachable can immediately be destroyed.
+ if (d->cs.merged && d->next) // Unreachable can immediately be
destroyed.
destroy_delta(d->next, true);
d->next = NULL;
@@ -4548,7 +4548,7 @@ tc_gc_idx( sql_store Store, sql_change *
return LOG_OK; /* cannot cleanup yet */
// d is oldest reachable delta
- if (d->next) // Unreachable can immediately be destroyed.
+ if (d->cs.merged && d->next) // Unreachable can immediately be
destroyed.
destroy_delta(d->next, true);
d->next = NULL;
@@ -4588,7 +4588,7 @@ tc_gc_upd_idx( sql_store Store, sql_chan
return LOG_OK; /* cannot cleanup yet */
// d is oldest reachable delta
- if (d->next) // Unreachable can immediately be destroyed.
+ if (d->cs.merged && d->next) // Unreachable can immediately be
destroyed.
destroy_delta(d->next, true);
d->next = NULL;
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