Changeset: 7839a8fd547c for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=7839a8fd547c
Modified Files:
MonetDB5/src/mal/Tests/tst866.mal
MonetDB5/src/mal/Tests/tst866.stable.out
MonetDB5/src/mal/Tests/tst867.mal
MonetDB5/src/mal/Tests/tst867.stable.out
MonetDB5/src/modules/kernel/bat5.mx
MonetDB5/src/modules/mal/Tests/inspect05.stable.out
Branch: default
Log Message:
Create the vacuum maps
The schrinkMap and reuseMap can be used to propagate the reshuffles
into the join indices.
diffs (294 lines):
diff -r f3a79dc97500 -r 7839a8fd547c MonetDB5/src/mal/Tests/tst866.mal
--- a/MonetDB5/src/mal/Tests/tst866.mal Thu May 20 21:19:05 2010 +0200
+++ b/MonetDB5/src/mal/Tests/tst866.mal Fri May 21 08:43:31 2010 +0200
@@ -18,3 +18,6 @@
s:= bat.reuse(b,d);
io.print(s);
+
+so:= bat.reuseMap(b,d);
+io.print(so);
diff -r f3a79dc97500 -r 7839a8fd547c MonetDB5/src/mal/Tests/tst866.stable.out
--- a/MonetDB5/src/mal/Tests/tst866.stable.out Thu May 20 21:19:05 2010 +0200
+++ b/MonetDB5/src/mal/Tests/tst866.stable.out Fri May 21 08:43:31 2010 +0200
@@ -35,6 +35,8 @@
io.print(d);
s := bat.reuse(b,d);
io.print(s);
+ so := bat.reuseMap(b,d);
+ io.print(so);
end main;
#-----------------#
# h t # name
@@ -66,6 +68,16 @@
[ 3...@0, 4 ]
[ 4...@0, 5 ]
[ 5...@0, 6 ]
+#-----------------#
+# h t # name
+# void oid # type
+#-----------------#
+[ 0...@0, 0...@0 ]
+[ 1...@0, 8...@0 ]
+[ 2...@0, 7...@0 ]
+[ 3...@0, 3...@0 ]
+[ 4...@0, 4...@0 ]
+[ 5...@0, 5...@0 ]
# 16:27:48 >
# 16:27:48 > Done.
diff -r f3a79dc97500 -r 7839a8fd547c MonetDB5/src/mal/Tests/tst867.mal
--- a/MonetDB5/src/mal/Tests/tst867.mal Thu May 20 21:19:05 2010 +0200
+++ b/MonetDB5/src/mal/Tests/tst867.mal Fri May 21 08:43:31 2010 +0200
@@ -17,3 +17,6 @@
s:= bat.shrink(b,d);
io.print(s);
+
+so:= bat.shrinkMap(b,d);
+io.print(so);
diff -r f3a79dc97500 -r 7839a8fd547c MonetDB5/src/mal/Tests/tst867.stable.out
--- a/MonetDB5/src/mal/Tests/tst867.stable.out Thu May 20 21:19:05 2010 +0200
+++ b/MonetDB5/src/mal/Tests/tst867.stable.out Fri May 21 08:43:31 2010 +0200
@@ -34,6 +34,8 @@
bat.append(d,7...@0);
s := bat.shrink(b,d);
io.print(s);
+ so := bat.shrinkMap(b,d);
+ io.print(so);
end main;
#-----------------#
# h t # name
@@ -58,6 +60,16 @@
[ 3...@0, 6 ]
[ 4...@0, 7 ]
[ 5...@0, 9 ]
+#-----------------#
+# h t # name
+# void oid # type
+#-----------------#
+[ 0...@0, 0...@0 ]
+[ 1...@0, 3...@0 ]
+[ 2...@0, 4...@0 ]
+[ 3...@0, 5...@0 ]
+[ 4...@0, 6...@0 ]
+[ 5...@0, 8...@0 ]
# 17:00:21 >
# 17:00:21 > Done.
diff -r f3a79dc97500 -r 7839a8fd547c MonetDB5/src/modules/kernel/bat5.mx
--- a/MonetDB5/src/modules/kernel/bat5.mx Thu May 20 21:19:05 2010 +0200
+++ b/MonetDB5/src/modules/kernel/bat5.mx Fri May 21 08:43:31 2010 +0200
@@ -580,10 +580,18 @@
address BKCshrinkBAT
comment "shrinkt the BAT based on a list of entries identified as
to-be-deleted";
+command shrinkMap(b:bat[:oid,:any_1],del:bat[:oid,:oid]):bat[:oid,:oid]
+address BKCshrinkBATmap
+comment "Derive the oid mapping for shrink BAT based on list of to-be-deleted";
+
command reuse(b:bat[:oid,:any_1],del:bat[:oid,:oid]):bat[:oid,:any_1]
address BKCreuseBAT
comment "shuffle the values around to restore a dense representation of buns.";
+command reuseMap(b:bat[:oid,:any_1],del:bat[:oid,:oid]):bat[:oid,:oid]
+address BKCreuseBATmap
+comment "Derive the oid mapping for reuse BAT based on list of to-be-deleted";
+
@+ Implementation Code
In Version 5, we are not going to support recursive BATs.
It is up to the programmer to translate a bat into a
@@ -696,6 +704,8 @@
bat5_export str BKCgetSequenceBase(oid *r, int *bid);
bat5_export str BKCshrinkBAT(int *ret, int *bid, int *did);
bat5_export str BKCreuseBAT(int *ret, int *bid, int *did);
+bat5_export str BKCshrinkBATmap(int *ret, int *bid, int *did);
+bat5_export str BKCreuseBATmap(int *ret, int *bid, int *did);
bat5_export BUN void_replace_bat5(BAT *b, BAT *u, bit force);
bat5_export int void_inplace5(BAT *b, oid id, ptr val, bit force);
@@ -3890,8 +3900,8 @@
throw(MAL, "bat.shrink", MAL_MALLOC_FAIL );
}
- o = (oid*)Tloc(d, BUNfirst(d));
- ol= (oid*)Tloc(d, BUNlast(d));
+ o = (oid*)Tloc(bs, BUNfirst(bs));
+ ol= (oid*)Tloc(bs, BUNlast(bs));
BATaccessBegin(d, USE_TAIL, MMAP_SEQUENTIAL);
BATaccessBegin(b, USE_TAIL, MMAP_SEQUENTIAL);
@@ -3921,6 +3931,73 @@
bn->tsorted = 0;
bn->tdense = 0;
bn->tkey = b->tkey;
+ bn->T->nonil = b->T->nonil;
+ bn->T->nil = b->T->nil;
+
+ if (!(bn->batDirty&2)) bn = BATsetaccess(bn, BAT_READ);
+
+ BBPreleaseref(b->batCacheid);
+ BBPreleaseref(d->batCacheid);
+ BBPkeepref(*ret= bn->batCacheid);
+ return MAL_SUCCEED;
+}
+
+str
+BKCshrinkBATmap(int *ret, int *bid, int *did)
+{
+ BAT *b, *d, *bn, *bs;
+ oid lim,oidx = 0, *o, *ol;
+ oid *r;
+
+ if ((b = BATdescriptor(*bid)) == NULL) {
+ throw(MAL, "bat.shrinkMap", RUNTIME_OBJECT_MISSING);
+ }
+ if ( b->htype != TYPE_void) {
+ BBPreleaseref(b->batCacheid);
+ throw(MAL, "bat.shrinkMap", SEMANTIC_TYPE_MISMATCH);
+ }
+ if ((d = BATdescriptor(*did)) == NULL) {
+ BBPreleaseref(b->batCacheid);
+ throw(MAL, "bat.shrinkMap", RUNTIME_OBJECT_MISSING);
+ }
+ if ( d->htype != TYPE_void) {
+ BBPreleaseref(d->batCacheid);
+ throw(MAL, "bat.shrinkMap", SEMANTIC_TYPE_MISMATCH);
+ }
+
+ bn= BATnew(TYPE_void, TYPE_oid, BATcount(b) );
+ BATseqbase(bn, 0);
+ if (bn == NULL) {
+ BBPreleaseref(b->batCacheid);
+ BBPreleaseref(d->batCacheid);
+ throw(MAL, "bat.shrinkMap", MAL_MALLOC_FAIL );
+ }
+ bs = BATmirror(BATsort(BATmirror(d)));
+ if (bs == NULL) {
+ BBPreleaseref(b->batCacheid);
+ BBPreleaseref(d->batCacheid);
+ BBPreleaseref(bn->batCacheid);
+ throw(MAL, "bat.shrinkMap", MAL_MALLOC_FAIL );
+ }
+
+ o = (oid*)Tloc(bs, BUNfirst(bs));
+ ol= (oid*)Tloc(bs, BUNlast(bs));
+ r = (oid*)Tloc(bn, BUNfirst(bn));
+ lim = BATcount(b);
+
+ BATaccessBegin(d, USE_TAIL, MMAP_SEQUENTIAL);
+ for (;oidx<lim; oidx++) {
+ if ( *o == oidx ){
+ o += (o < ol);
+ } else {
+ *r++ = oidx;
+ }
+ }
+ BATaccessEnd(d, USE_TAIL, MMAP_SEQUENTIAL);
+
+ BATsetcount(bn, BATcount(b)-BATcount(d));
+ bn->tsorted = 0;
+ bn->tdense = 0;
if (!(bn->batDirty&2)) bn = BATsetaccess(bn, BAT_READ);
@@ -3984,8 +4061,8 @@
}
bidx= BUNlast(b)-1;
- o = (oid*)Tloc(d, BUNfirst(d));
- ol= (oid*)Tloc(d, BUNlast(d))-1;
+ o = (oid*)Tloc(bs, BUNfirst(bs));
+ ol= (oid*)Tloc(bs, BUNlast(bs))-1;
BATaccessBegin(d, USE_TAIL, MMAP_SEQUENTIAL);
BATaccessBegin(b, USE_TAIL, MMAP_SEQUENTIAL);
@@ -4024,5 +4101,69 @@
BBPkeepref(*ret= bn->batCacheid);
return MAL_SUCCEED;
}
+str
+BKCreuseBATmap(int *ret, int *bid, int *did)
+{
+ BAT *b, *d, *bn, *bs;
+ oid bidx, oidx = 0, *o, *ol;
+ oid *r;
+
+ if ((b = BATdescriptor(*bid)) == NULL) {
+ throw(MAL, "bat.shrinkMap", RUNTIME_OBJECT_MISSING);
+ }
+ if ( b->htype != TYPE_void) {
+ BBPreleaseref(b->batCacheid);
+ throw(MAL, "bat.shrinkMap", SEMANTIC_TYPE_MISMATCH);
+ }
+ if ((d = BATdescriptor(*did)) == NULL) {
+ BBPreleaseref(b->batCacheid);
+ throw(MAL, "bat.shrinkMap", RUNTIME_OBJECT_MISSING);
+ }
+ bn= BATnew(TYPE_void, TYPE_oid, BATcount(b) );
+ BATseqbase(bn, 0);
+ if (bn == NULL) {
+ BBPreleaseref(b->batCacheid);
+ BBPreleaseref(d->batCacheid);
+ throw(MAL, "bat.shrinkMap", MAL_MALLOC_FAIL );
+ }
+ bs = BATmirror(BATsort(BATmirror(d)));
+ if (bs == NULL) {
+ BBPreleaseref(b->batCacheid);
+ BBPreleaseref(d->batCacheid);
+ BBPreleaseref(bn->batCacheid);
+ throw(MAL, "bat.shrinkMap", MAL_MALLOC_FAIL );
+ }
+
+ bidx= BUNlast(b)-1;
+ o = (oid*)Tloc(d, BUNfirst(d));
+ ol= (oid*)Tloc(d, BUNlast(d));
+ r = (oid*)Tloc(bn, BUNfirst(bn));
+
+ BATaccessBegin(d, USE_TAIL, MMAP_SEQUENTIAL);
+ for (;oidx<bidx; oidx++) {
+ if ( *o == oidx ){
+ while ( *ol == bidx && ol>o) {
+ bidx--;
+ ol--;
+ }
+ *r++ = bidx;
+ o += (o < ol);
+ bidx--;
+ } else
+ *r++ = oidx;
+ }
+ BATaccessEnd(d, USE_TAIL, MMAP_SEQUENTIAL);
+
+ BATsetcount(bn, BATcount(b)-BATcount(d));
+ bn->tsorted = 0;
+ bn->tdense = 0;
+
+ if (!(bn->batDirty&2)) bn = BATsetaccess(bn, BAT_READ);
+
+ BBPreleaseref(b->batCacheid);
+ BBPreleaseref(d->batCacheid);
+ BBPkeepref(*ret= bn->batCacheid);
+ return MAL_SUCCEED;
+}
@}
diff -r f3a79dc97500 -r 7839a8fd547c
MonetDB5/src/modules/mal/Tests/inspect05.stable.out
--- a/MonetDB5/src/modules/mal/Tests/inspect05.stable.out Thu May 20
21:19:05 2010 +0200
+++ b/MonetDB5/src/modules/mal/Tests/inspect05.stable.out Fri May 21
08:43:31 2010 +0200
@@ -6156,6 +6156,7 @@
[ "partition", "pattern", "bat",
"(b:bat[:any_1,:any_2],pieces:int,part:int):bat[:any_1,:any_2] ",
"CMDbatpartition2;"
]
[ "partition", "pattern", "bat",
"(b:bat[:any_1,:any_2]):bat[:any_1,:any_2]... ",
"CMDbatpartition;" ]
[ "reduce", "command", "bat",
"(b:bat[:any_1,:any_2]):bat[:any_1,:any_2] ",
"CMDBATreduce;"
]
+[ "reuseMap", "command", "bat",
"(b:bat[:oid,:any_1],del:bat[:oid,:oid]):bat[:oid,:oid] ",
"BKCreuseBATmap;"
]
[ "reuse", "command", "bat",
"(b:bat[:oid,:any_1],del:bat[:oid,:oid]):bat[:oid,:any_1] ",
"BKCreuseBAT;"
]
[ "replace", "command", "bat",
"(b:bat[:any_1,:any_2],h:any_1,t:any_2,force:bit):bat[:any_1,:any_2] ",
"BKCreplace_bun_force;"
]
[ "replace", "command", "bat",
"(b:bat[:any_1,:any_2],h:any_1,t:any_2):bat[:any_1,:any_2] ",
"BKCreplace_bun;"
]
@@ -6165,6 +6166,7 @@
[ "reverse", "command", "bat",
"(b:bat[:any_1,:any_2]):bat[:any_2,:any_1] ",
"BKCreverse;"
]
[ "setBase", "pattern", "bat",
"(b:bat[:any_1,:any_2],c:bat[:any_1,:any_2]...):void ",
"CMDsetBase;"
]
[ "setGarbage", "pattern", "bat",
"(b:bat[:any_1,:any_2]):void ",
"CMDBATsetGarbage;"
]
+[ "shrinkMap", "command", "bat",
"(b:bat[:oid,:any_1],del:bat[:oid,:oid]):bat[:oid,:oid] ",
"BKCshrinkBATmap;"
]
[ "shrink", "command", "bat",
"(b:bat[:oid,:any_1],del:bat[:oid,:oid]):bat[:oid,:any_1] ",
"BKCshrinkBAT;"
]
[ "setHash", "command", "bat",
"(b:bat[:any_1,:any_2],prop:bit):bit ",
"BKCsetHash;"
]
[ "setMemoryAdvise", "command", "bat",
"(b:bat[:any_1,:any_2],mode:int):bit ",
"BKCmadvise2;"
]
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