Changeset: c04463ba58a6 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=c04463ba58a6
Modified Files:
monetdb5/modules/mal/mosaic.c
Branch: mosaic
Log Message:
Set BAT writable before compressing so that a backup gets made.
diffs (24 lines):
diff --git a/monetdb5/modules/mal/mosaic.c b/monetdb5/modules/mal/mosaic.c
--- a/monetdb5/modules/mal/mosaic.c
+++ b/monetdb5/modules/mal/mosaic.c
@@ -244,6 +244,11 @@ MOScompressInternal(Client cntxt, bat *r
// It should always take less space than the orginal column.
// But be prepared that a header and last block header may be
stored
// use a size overshoot. Also be aware of possible dictionary
headers
+ if (BATsetaccess(bcompress, BAT_WRITE) == NULL) {
+ BBPreleaseref(bsrc->batCacheid);
+ BBPreleaseref(bcompress->batCacheid);
+ throw(MAL, "mosaic.compress", GDK_EXCEPTION);
+ }
bcompress = BATextend(bcompress,
BATgrows(bcompress)+MosaicHdrSize);
if( bcompress == NULL){
BBPreleaseref(bsrc->batCacheid);
@@ -445,7 +450,7 @@ MOScompressInternal(Client cntxt, bat *r
bcompress->T->heap.free = (size_t) (task->dst -
Tloc(bcompress,BUNfirst(bcompress)) );
bcompress->T->heap.compressed= 1;
MCexitMaintenance(cntxt);
- BATsave(bcompress);
+ BATsetaccess(bcompress, BAT_READ);
BBPkeepref(*ret = bcompress->batCacheid);
BBPreleaseref(bsrc->batCacheid);
} else {
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