MonetDB: cmp-or-patterns - Fixes generate_multi_col_cmp_in()

[stefanos mavros via checkin-list]

Changeset: 79c4900a1553 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/79c4900a1553
Modified Files:
        sql/server/rel_optimize_sel.c
Branch: cmp-or-patterns
Log Message:

Fixes generate_multi_col_cmp_in()


diffs (28 lines):

diff --git a/sql/server/rel_optimize_sel.c b/sql/server/rel_optimize_sel.c
--- a/sql/server/rel_optimize_sel.c
+++ b/sql/server/rel_optimize_sel.c
@@ -623,7 +623,7 @@ exp_or_chain_groups(mvc *sql, list *exps
 {
        /* identify three different groups
         * 1. gen_ands: lists of generic expressions (their inner association 
is AND)
-        * 2. ceq_ands: lists of cmp_eq ONLY expressions (same^^^)
+        * 2. ceq_ands: lists of multi_colum cmp_eq ONLY expressions (same^^^)
         * 3. neq: non equality col expressions
         * 4. eqh: col = X (we store the different X values)
         *
@@ -707,13 +707,13 @@ generate_single_col_cmp_in(mvc *sql, sql
 }
 
 static list *
-generate_multi_col_cmp_in(mvc *sql, sql_hash *eqh)
+generate_multi_col_cmp_in(mvc *sql, sql_hash *meqh)
 {
        /* from multivalue cmp_eq with multiple lists of atoms in the hash 
generate
         * "(col1, col2, ...) in [(val10, val20, ...), (val11, val21, ...), ... 
]"
         * (see detect_multicol_cmp_eqs())
         */
-       ins = new_exp_list(sql->sa);
+       list *ins = new_exp_list(sql->sa);
        for (int i = 0; i < meqh->size; i++) {
                sql_hash_e *he = meqh->buckets[i];
                while (he) {
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