Changeset: 5b06560486b2 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/5b06560486b2
Modified Files:
sql/backends/monet5/sql.c
Branch: default
Log Message:
small fix, no need to optimize simpel (single row) exec 's
diffs (24 lines):
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
@@ -152,12 +152,14 @@ sql_symbol2relation(backend *be, symbol
storage_based_opt = value_based_opt && rel && !is_ddl(rel->op);
Tbegin = Tend;
- if (rel)
- rel = sql_processrelation(be->mvc, rel, profile, 1,
value_based_opt, storage_based_opt);
- if (rel && (rel_no_mitosis(be->mvc, rel) ||
rel_need_distinct_query(rel)))
- be->no_mitosis = 1;
- if (rel)
- rel = rel_physical(be->mvc, rel);
+ if (rel && !(rel->op == op_ddl && rel->card == CARD_ATOM && rel->flag
== ddl_psm && (be->mvc->emod & mod_exec) != 0)) { /* no need to optimize exec */
+ if (rel)
+ rel = sql_processrelation(be->mvc, rel, profile, 1,
value_based_opt, storage_based_opt);
+ if (rel && (rel_no_mitosis(be->mvc, rel) ||
rel_need_distinct_query(rel)))
+ be->no_mitosis = 1;
+ if (rel)
+ rel = rel_physical(be->mvc, rel);
+ }
Tend = GDKusec();
be->reloptimizer = Tend - Tbegin;
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