Changeset: 92fc4509f26d for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=92fc4509f26d
Modified Files:
sql/backends/monet5/sql_rdf.c
sql/backends/monet5/sql_rdf.h
sql/backends/monet5/sql_rdf_jgraph.c
sql/backends/monet5/sql_rdf_jgraph.h
Branch: rdf
Log Message:
Get constraint values on o
diffs (truncated from 417 to 300 lines):
diff --git a/sql/backends/monet5/sql_rdf.c b/sql/backends/monet5/sql_rdf.c
--- a/sql/backends/monet5/sql_rdf.c
+++ b/sql/backends/monet5/sql_rdf.c
@@ -1631,6 +1631,10 @@ void combine_exception_and_regular_table
oid **regular_obat_cursors = NULL;
oid **regular_obat_mv_cursors = NULL; //If this column is MV col,
then store the point to its MV BAT
int accept = 0;
+ #if RDF_HANDLING_EXCEPTION_MISSINGPROP_OPT
+ int *lst_missing_props = NULL; //Index of missing prop in the lstProp
+ int num_mp = 0; //Number of missing prop
+ #endif
(void) r_sbat;
(void) r_obats;
@@ -1645,6 +1649,11 @@ void combine_exception_and_regular_table
setBasicProps((*r_obats)[i]);
}
+ #if RDF_HANDLING_EXCEPTION_MISSINGPROP_OPT
+ lst_missing_props = (int *) malloc(sizeof(int) * nP);
+ num_mp = 0;
+ #endif
+
sbatCursor = (oid *) Tloc(sbat, BUNfirst(sbat));
obatCursors = (oid **) malloc(sizeof(oid*) * nP);
@@ -1674,6 +1683,9 @@ void combine_exception_and_regular_table
oid tmpS = BUN_NONE;
getTblIdxFromS(sbt, &tid, &tmpS);
if (tid != curtid){
+ #if RDF_HANDLING_EXCEPTION_MISSINGPROP_OPT
+ num_mp = 0;
+ #endif
//reload BATs for that table
for (j = 0; j < nP; j++){
str tmpColname, tmptblname, tmpmvtblname,
tmpmvdefcolname;
@@ -1683,6 +1695,10 @@ void combine_exception_and_regular_table
regular_obat_mv[j] = NULL;
regular_obat_cursors[j] = NULL;
regular_obat_mv_cursors[j] = NULL;
+ #if
RDF_HANDLING_EXCEPTION_MISSINGPROP_OPT
+ lst_missing_props[num_mp] = j;
+ num_mp++;
+ #endif
continue;
}
@@ -1716,6 +1732,15 @@ void combine_exception_and_regular_table
//printf("At row "BUNFMT" of table %d for sbt "BUNFMT"...",
tmpS, tid, sbt);
accept = 1;
+ #if RDF_HANDLING_EXCEPTION_MISSINGPROP_OPT
+ for (j = 0; j < num_mp; j++){
+ if (obatCursors[lst_missing_props[j]][pos] == oid_nil){
+ accept = 0;
+ break;
+ }
+ }
+ if (accept == 0) continue;
+ #endif
for (j = 0; j < nP; j++){
if (obatCursors[j][pos] == oid_nil){
if (regular_obat_cursors[j] == NULL){ //No
corresponding regular column
@@ -1778,20 +1803,22 @@ SQLrdfScan(Client cntxt, MalBlkPtr mb, M
oid *lstProps = NULL;
int i;
//int *lstbattypes = NULL;
-
+ clock_t sT;
+ clock_t eT;
(void) cntxt;
(void) mb;
(void) stk;
(void) pci;
-
+ sT = clock();
+
nP = (int *) getArgReference(stk, pci, pci->retc + 0);
nRP = (int *) getArgReference(stk, pci, pci->retc + 1);
nRet = 2 * (*nP);
(void) nRP;
-
+
assert (pci->retc == nRet);
b = (BAT **) GDKmalloc (sizeof (BAT*) * pci->retc);
@@ -1825,17 +1852,21 @@ SQLrdfScan(Client cntxt, MalBlkPtr mb, M
mvc *m = NULL;
str msg;
BAT *pso_fullSbat = NULL, *pso_fullObat = NULL;
-
-
+ clock_t sT1, eT1;
+
+ sT1 = clock();
rethrow("sql.rdfShred", msg, getSQLContext(cntxt, mb, &m,
NULL));
pso_fullSbat = mvc_bind(m, schema, "pso", "s",0);
pso_fullObat = mvc_bind(m, schema, "pso", "o",0);
get_full_outerjoin_p_slices(lstProps, *nP, pso_fullObat,
pso_fullSbat, &r_sbat, &r_obats);
-
+
+ eT1 = clock();
+ printf("Step 1 in Handling exception took %f seconds.\n",
((float)(eT1 - sT1))/CLOCKS_PER_SEC);
//Step 2. Merge exceptions with Tables
+ sT1 = clock();
combine_exception_and_regular_tables(m, &m_sbat, &m_obats,
r_sbat, r_obats, lstProps, *nP, *nRP);
@@ -1846,12 +1877,19 @@ SQLrdfScan(Client cntxt, MalBlkPtr mb, M
b[2*i] = BATcopy(m_sbat, m_sbat->htype, m_sbat->ttype,
FALSE, TRANSIENT);
b[2*i+1] = BATcopy(m_obats[i], m_obats[i]->htype,
m_obats[i]->ttype, FALSE, TRANSIENT);
}
+
+ eT1 = clock();
+ printf("Step 2 in Handling exception took %f seconds.\n",
((float)(eT1 - sT1))/CLOCKS_PER_SEC);
+
}
printf("Return the resusting BATs...");
bat2return(stk, pci, b);
printf("... done\n");
GDKfree(b);
+ eT = clock();
+ printf("RDFscan for handling exception took %f seconds.\n",
((float)(eT - sT))/CLOCKS_PER_SEC);
+
return MAL_SUCCEED;
}
diff --git a/sql/backends/monet5/sql_rdf.h b/sql/backends/monet5/sql_rdf.h
--- a/sql/backends/monet5/sql_rdf.h
+++ b/sql/backends/monet5/sql_rdf.h
@@ -70,4 +70,6 @@ extern PsoPropStat *pso_propstat;
#define HANDLING_EXCEPTION 1
+#define RDF_HANDLING_EXCEPTION_MISSINGPROP_OPT 1
+
#endif /*_SQL_RDF_H */
diff --git a/sql/backends/monet5/sql_rdf_jgraph.c
b/sql/backends/monet5/sql_rdf_jgraph.c
--- a/sql/backends/monet5/sql_rdf_jgraph.c
+++ b/sql/backends/monet5/sql_rdf_jgraph.c
@@ -1093,12 +1093,18 @@ spProps *init_sp_props(int num){
spprops->subj = BUN_NONE;
spprops->lstProps = (char **) GDKmalloc(sizeof(char *) * num);
spprops->lstPropIds = (oid *) GDKmalloc(sizeof(oid) * num);
+ spprops->lst_o_constraints = (o_constraint *)
GDKmalloc(sizeof(o_constraint) * num);
+ spprops->lstPOs = (sp_po *) GDKmalloc(sizeof(sp_po) * num);
for (i = 0; i < num; i++){
spprops->lstProps[i] = NULL;
spprops->lstPropIds[i] = BUN_NONE;
+ spprops->lst_o_constraints[i].cmp_type = -1;
+ spprops->lst_o_constraints[i].low = BUN_NONE;
+ spprops->lst_o_constraints[i].hi = BUN_NONE;
+
+ spprops->lstPOs[i] = NAV;
}
- spprops->lstPOs = (sp_po *) GDKmalloc(sizeof(sp_po) * num);
spprops->lstctype = (ctype *) GDKmalloc(sizeof(ctype) * num);
return spprops;
@@ -1133,9 +1139,17 @@ static
void print_spprops(spProps *spprops){
int i;
- printf("List of properties: \n");
+ printf("List of properties from spProps: \n");
for (i = 0; i < spprops->num; i++){
- printf("%s (Id: "BUNFMT ")\n" ,spprops->lstProps[i],
spprops->lstPropIds[i]);
+ printf("%s (Id: "BUNFMT "): " ,spprops->lstProps[i],
spprops->lstPropIds[i]);
+ if (spprops->lstPOs[i] == REQUIRED) printf("[REQUIRED]");
+ else printf("[NAV]");
+
+ if (spprops->lst_o_constraints[i].low != BUN_NONE) printf("
[low = "BUNFMT"]", spprops->lst_o_constraints[i].low);
+ if (spprops->lst_o_constraints[i].hi != BUN_NONE) printf(" [hi
= "BUNFMT"]", spprops->lst_o_constraints[i].hi);
+
+ printf("\n");
+
}
printf("\n");
}
@@ -1150,6 +1164,7 @@ void free_sp_props(spProps *spprops){
GDKfree(spprops->lstPropIds);
GDKfree(spprops->lstPOs);
GDKfree(spprops->lstctype);
+ GDKfree(spprops->lst_o_constraints);
GDKfree(spprops);
}
@@ -1180,6 +1195,7 @@ void get_col_name_from_p (char **col, ch
*
* */
+
static
void modify_exp_col(mvc *c, sql_exp *m_exp, char *_rname, char *_name, char
*_arname, char *_aname, int update_e_convert, int dummy_exps){
sql_exp *tmpe = NULL;
@@ -1245,6 +1261,7 @@ void modify_exp_col(mvc *c, sql_exp *m_e
}
+
/*
* oid[sys.rdf_strtoid(char(67) "<http://www/product>")]
* UPDATE: sys.rdf_strtoid(char(67) "<http://www/product>")
@@ -1257,9 +1274,14 @@ void extractURI_from_exp(mvc *c, char **
node *tmpen;
str s;
list *lst = NULL;
+ char *funcname;
assert(exp->type == e_func);
+ funcname = ((sql_subfunc *)exp->f)->func->base.name;
+
+ assert(strcmp(funcname, "rdf_strtoid") == 0);
+
lst = exp->l;
//There should be only one parameter for the function which is the
property name
@@ -1274,6 +1296,42 @@ void extractURI_from_exp(mvc *c, char **
}
+static
+void get_o_constraint_value(mvc *c, sql_exp *m_exp, oid *tmpvalue){
+ oid newoid;
+ sql_exp *re = m_exp->r;
+
+ assert(m_exp->type == e_cmp);
+
+ //first: Convert the compared value into oid
+ newoid = BUN_NONE;
+ if (re->type == e_atom){
+ atom *at = re->l;
+ assert(at != NULL);
+
+ get_encodedOid_from_atom(at, &newoid);
+ } else if (re->type == e_func) {
+ //Check whether this is the function of rdf_strtoid
+ char *funcname = ((sql_subfunc *)re->f)->func->base.name;
+ str uri = NULL;
+
+ if (strcmp(funcname, "rdf_strtoid") == 0){
+ extractURI_from_exp(c, &uri, re);
+ TKNRstringToOid(&newoid, &uri);
+ assert (newoid != BUN_NONE);
+
+ } else {
+ printf("TODO: The function %s is not handled yet\n",
funcname);
+ }
+ } else {
+ printf("TODO: This is not handled yet\n");
+ }
+
+ *tmpvalue = newoid;
+}
+
+
+
/*
* //Example: [s12_t0.p = oid[sys.rdf_strtoid(char(67)
"<http://www/product>")], s12_t0.o = oid[sys.rdf_strtoid(char(85)
"<http://www/Product9>"]
* // UPDATED: Example: [oid[s12_t0.p] = sys.rdf_strtoid(char(67)
"<http://www/product>"), oid[s12_t0.o] = sys.rdf_strtoid(char(85)
"<http://www/Product9>"
@@ -1356,6 +1414,59 @@ void verify_rel(sql_rel *r){
assert(select_s && select_p && select_o);
}
+static
+void get_o_constraint(mvc *c, o_constraint *o_cst, list *exps){
+ node *en;
+ for (en = exps->h; en; en = en->next){
+ sql_exp *tmpexp = (sql_exp *) en->data;
+ sql_exp *e = (sql_exp *)tmpexp->l;
+
+ assert(tmpexp->type == e_cmp); //TODO: Handle other exps for
op_select
+ assert(e->type == e_convert);
+
+ e = e->l;
+
+ assert(e->type == e_column);
+
+ if (strcmp(e->name, "o") == 0){
+ int cmp = get_cmp(tmpexp);
+ oid tmp_o_value = BUN_NONE;
+ get_o_constraint_value(c, tmpexp, &tmp_o_value);
+
+ o_cst->cmp_type = cmp;
+
+ switch(cmp) {
+ case cmp_equal:
+ o_cst->low = tmp_o_value;
+ o_cst->hi = tmp_o_value;
+ break;
+ case cmp_gt:
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