Changeset: 09892d5ee888 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/09892d5ee888
Modified Files:
monetdb5/modules/mal/pcre.c
Branch: strimps_update
Log Message:
Initial implementation
The bat counts are not correct
diffs (64 lines):
diff --git a/monetdb5/modules/mal/pcre.c b/monetdb5/modules/mal/pcre.c
--- a/monetdb5/modules/mal/pcre.c
+++ b/monetdb5/modules/mal/pcre.c
@@ -1855,6 +1855,7 @@ PCRElikeselect(bat *ret, const bat *bid,
char *ppat = NULL;
bool use_re = false, use_strcmp = false, empty = false;
bool with_strimps = false;
+ bool with_strimps_anti = false;
if ((b = BATdescriptor(*bid)) == NULL) {
msg = createException(MAL, "algebra.likeselect",
SQLSTATE(HY002) RUNTIME_OBJECT_MISSING);
@@ -1887,12 +1888,22 @@ PCRElikeselect(bat *ret, const bat *bid,
} else { /* If we cannot create the strimp just continue
normally */
GDKclrerr();
}
+ } else if (!empty && BAThasstrimps(b) && b->tnonil && *anti) {
+ BAT *tmp_s = STRMPfilter(b, s, *pat);
+ if (tmp_s) {
+ if (s)
+ BBPunfix(s->batCacheid);
+ s = tmp_s;
+ with_strimps_anti = true;
+ } else { /* If we cannot create the strimp just continue
normally */
+ GDKclrerr();
+ }
}
MT_thread_setalgorithm(empty ? "pcrelike: trivially empty" :
- use_strcmp ? (with_strimps ? "pcrelike: pattern matching using
strcmp with strimps" : "pcrelike: pattern matching using strcmp") :
- use_re ? (with_strimps ? "pcrelike: pattern matching using RE
with strimps" : "pcrelike: pattern matching using RE") :
- (with_strimps ? "pcrelike: pattern matching using pcre with
strimps" : "pcrelike: pattern matching using pcre"));
+ use_strcmp ? (with_strimps ?
"pcrelike: pattern matching using strcmp with strimps" : (with_strimps_anti ?
"pcrelike: pattern matching using strcmp with strimps anti" : "pcrelike:
pattern matching using strcmp")) :
+ use_re ? (with_strimps ?
"pcrelike: pattern matching using RE with strimps" : (with_strimps_anti ?
"pcrelike: patterm matching using RE with strimps anti" : "pcrelike: pattern
matching using RE")) :
+ (with_strimps ? "pcrelike:
pattern matching using pcre with strimps" : (with_strimps_anti ? "pcrelike:
pattermatching using pcre with strimps anti" : "pcrelike: pattern matching
using pcre")));
if (empty) {
if (!(bn = BATdense(0, 0, 0)))
@@ -1923,10 +1934,11 @@ PCRElikeselect(bat *ret, const bat *bid,
}
if (use_re) {
- msg = re_likeselect(bn, b, s, &ci, p, q, &rcnt, *pat,
(bool) *caseignore, (bool) *anti, use_strcmp, (unsigned char) **esc);
+ msg = re_likeselect(bn, b, s, &ci, p, q, &rcnt, *pat,
(bool) *caseignore, (bool) *anti && !with_strimps_anti, use_strcmp, (unsigned
char) **esc);
} else {
- msg = pcre_likeselect(bn, b, s, &ci, p, q, &rcnt, ppat,
(bool) *caseignore, (bool) *anti);
+ msg = pcre_likeselect(bn, b, s, &ci, p, q, &rcnt, ppat,
(bool) *caseignore, (bool) *anti && !with_strimps_anti);
}
+
if (!msg) { /* set some properties */
BATsetcount(bn, rcnt);
bn->tsorted = true;
@@ -1935,6 +1947,12 @@ PCRElikeselect(bat *ret, const bat *bid,
bn->tnil = false;
bn->tnonil = true;
bn->tseqbase = rcnt == 0 ? 0 : rcnt == 1 ? *(const
oid*)Tloc(bn, 0) : rcnt == b->batCount ? b->hseqbase : oid_nil;
+ if(with_strimps_anti) {
+ /* Reverse the result */
+ BAT *rev = BATdiffcand(BATdense(0, 0,
b->batCount), bn);
+ BBPunfix(bn->batCacheid);
+ bn = rev;
+ }
}
}
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