Changeset: 5146fcde2ec8 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=5146fcde2ec8
Modified Files:
sql/server/rel_select.c
Branch: sciql
Log Message:
More controled hackes in Part 2 SciQL group by
- build the list of types of args to the array_t'AGGR' func "by hand", since
the exp of 'array_series1' has as type "bat"
- wipe out more (all?) traces of the AGGR sql_rel
diffs (75 lines):
diff --git a/sql/server/rel_select.c b/sql/server/rel_select.c
--- a/sql/server/rel_select.c
+++ b/sql/server/rel_select.c
@@ -3893,6 +3893,7 @@ rel_nop(mvc *sql, sql_rel **rel, symbol
* | ) [ L6 ]
|
*
+---------------------------------------------------------------------------------------------------+
*/
+#define new_subtype_list(sa) list_new(sa)
static sql_exp *
_rel_tiling_aggr(mvc *sql, sql_rel **rel, sql_rel *groupby, int distinct, char
*aggrstr, symbol *sym, int f)
{
@@ -3900,7 +3901,7 @@ _rel_tiling_aggr(mvc *sql, sql_rel **rel
sql_exp **os_sta = NULL, **os_ste = NULL, **os_sto = NULL, **nrep =
NULL, **ngrp = NULL;
sql_subfunc *sf = NULL;
sql_subtype st_int, st_flt;
- list *arrg_args = new_exp_list(sql->sa);
+ list *aggr_args = new_exp_list(sql->sa), *aggr_types =
new_subtype_list(sql->sa);
char *aggrstr2 = SA_NEW_ARRAY(sql->sa, char, strlen("array_t") +
strlen(aggrstr) + 1);
node *cn = NULL;
sql_table *t = (sql_table*)((sql_rel*)groupby->l)->l;
@@ -3923,7 +3924,9 @@ _rel_tiling_aggr(mvc *sql, sql_rel **rel
if(sym->token != SQL_COLUMN) {
return sql_error(sql, 02, "SELECT: expressions other
than <column name> not supported in tiling ranges");
}
- append(arrg_args, rel_column_ref(sql, rel, sym, f));
+ exp = rel_column_ref(sql, rel, sym, f);
+ append(aggr_args, exp);
+ append(aggr_types, exp_subtype(exp));
}
dim = SA_NEW_ARRAY(sql->sa, sql_exp*, t->ndims);
@@ -4020,7 +4023,7 @@ _rel_tiling_aggr(mvc *sql, sql_rel **rel
}
/* finally, we build a list of args 'srs_args' with all parameters to
* 'array_series1' to compute the materialised offsets 'oss' for each
- * dimension, then we append all args to 'arrg_ags' for the SciQL AGGR
+ * dimension, then we append all args to 'aggr_ags' for the SciQL AGGR
* functions. */
for (i = 0; i < t->ndims; i++) {
list *srs_args = new_exp_list(sql->sa);
@@ -4032,16 +4035,27 @@ _rel_tiling_aggr(mvc *sql, sql_rel **rel
if(!(sf = sql_bind_func_(sql->sa, sql->session->schema,
"array_series1", exps_subtype(srs_args), F_FUNC)))
return sql_error(sql, 02, "failed to bind to the SQL
function \"array_series1\"");
- append(arrg_args, dim[i]);
- append(arrg_args, exp_op(sql->sa, srs_args, sf));
- append(arrg_args, exp_atom_int(sql->sa, dsize[i]));
- }
- if(!(sf = sql_bind_func_(sql->sa, sql->session->schema, aggrstr2,
exps_subtype(arrg_args), F_FUNC)))
+ append(aggr_args, dim[i]);
+ append(aggr_types, exp_subtype(dim[i]));
+
+ /* have to build the list of types "by hand", since the call to
+ * 'array_series1' is of the type "bat", which causes the
+ * sql_bind_func_ below to fail */
+ append(aggr_args, exp_op(sql->sa, srs_args, sf));
+ append(aggr_types, exp_subtype(os_sta[i]));
+
+ exp = exp_atom_int(sql->sa, dsize[i]);
+ append(aggr_args, exp);
+ append(aggr_types, exp_subtype(exp));
+ }
+ if(!(sf = sql_bind_func_(sql->sa, sql->session->schema, aggrstr2,
aggr_types, F_FUNC)))
return sql_error(sql, 02, "failed to bind to the SQL function
\"%s\"", aggrstr2);
- exp = exp_op(sql->sa, arrg_args, sf);
- /* HACK: secretly change the groupby into a project */
+ exp = exp_op(sql->sa, aggr_args, sf);
+ /* HACK: secretly change the groupby into a project, and wipe out all
traces of the AGGR */
groupby->op = op_project;
groupby->r = NULL;
+ groupby->card = CARD_MULTI;
+ (*rel)->card = CARD_MULTI;
rel_project_add_exp(sql, groupby, exp);
return exp;
}
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