Changeset: 69170743f36d for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=69170743f36d
Modified Files:
sql/server/sql_mvc.c
Branch: HTM
Log Message:
Add a few more comments with explanations
diffs (37 lines):
diff --git a/sql/server/sql_mvc.c b/sql/server/sql_mvc.c
--- a/sql/server/sql_mvc.c
+++ b/sql/server/sql_mvc.c
@@ -320,6 +320,7 @@ mvc_precommit(mvc *m, int chain, char *n
}
if (sql_trans_validate(tr)) {
+ // pre-commit the transaction
if ((ok = sql_trans_precommit(tr)) != SQL_OK) {
store_unlock();
char *msg = sql_message("40000!PRECOMMIT: transaction
commit failed (perhaps your disk is full?) exiting (kernel error: %s)",
GDKerrbuf);
@@ -332,7 +333,7 @@ mvc_precommit(mvc *m, int chain, char *n
mvc_rollback(m, chain, name);
return NULL;
}
-
+ // yes, unlock the store, mvc_persistcommit will lock it again before
processing
store_unlock();
return tr;
}
@@ -354,13 +355,15 @@ mvc_persistcommit(mvc *m, int chain, cha
return -1;
}
}
+ // set it
tr = m->session->tr;
+ // persist it
if ((ok = sql_trans_persistcommit(tr)) != SQL_OK) {
char *msg = sql_message("40000!PERSISTCOMMIT: transaction
commit failed (perhaps your disk is full?) exiting (kernel error: %s)",
GDKerrbuf);
GDKfatal("%s", msg);
_DELETE(msg);
}
-
+ // clean up
mvc_commit_finish(m, chain, name);
return ok;
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