Changeset: e886ebce5259 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/e886ebce5259
Modified Files:
sql/ChangeLog.Aug2024
sql/backends/monet5/sql.c
Branch: Aug2024
Log Message:
Use sys.storage() phash column to indicate a hash may exist on disk.
diffs (34 lines):
diff --git a/sql/ChangeLog.Aug2024 b/sql/ChangeLog.Aug2024
--- a/sql/ChangeLog.Aug2024
+++ b/sql/ChangeLog.Aug2024
@@ -1,6 +1,11 @@
# ChangeLog file for sql
# This file is updated with Maddlog
+* Tue Jul 16 2024 Sjoerd Mullender <sjo...@acm.org>
+- The "phash" column in the sys.storage() table now indicates whether a
+ hash exists. If the hash is not loaded but there is a hash available
+ on disk, the phash value is "true", but the "hashes" value is 0.
+
* Thu Jul 11 2024 Martin van Dinther <martin.van.dint...@monetdbsolutions.com>
- Added execution privilege on all sys.generate_series(first, limit)
and sys.generate_series(first, limit, stepsize) functions to public,
diff --git a/sql/backends/monet5/sql.c b/sql/backends/monet5/sql.c
--- a/sql/backends/monet5/sql.c
+++ b/sql/backends/monet5/sql.c
@@ -4256,12 +4256,14 @@ sql_storage(Client cntxt, MalBlkPtr mb,
goto bailout1;
MT_rwlock_rdlock(&bs->thashlock);
+ /* one lock, two
values: hash size, and
+ * whether we (may)
have a hash */
sz =
hashinfo(bs->thash, bs->batCacheid);
+ bitval = bs->thash !=
NULL;
MT_rwlock_rdunlock(&bs->thashlock);
if (BUNappend(indices,
&sz, false) != GDK_SUCCEED)
goto bailout1;
- bitval = 0; /*
HASHispersistent(bs); */
if (BUNappend(phash,
&bitval, false) != GDK_SUCCEED)
goto bailout1;
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