MonetDB: mosaic - Fix header administation

[Martin Kersten]

Changeset: 624da7651922 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=624da7651922
Modified Files:
        monetdb5/modules/mal/mosaic_hdr.c
Branch: mosaic
Log Message:

Fix header administation


diffs (27 lines):

diff --git a/monetdb5/modules/mal/mosaic_hdr.c 
b/monetdb5/modules/mal/mosaic_hdr.c
--- a/monetdb5/modules/mal/mosaic_hdr.c
+++ b/monetdb5/modules/mal/mosaic_hdr.c
@@ -70,18 +70,18 @@ MOSupdateHeader(Client cntxt, MOStask ta
        // compress the index by finding the smallest compressed fragment pair
        hdr->oidbase[hdr->top] = MOScnt(task->blk) + hdr->oidbase[hdr->top-1];
        hdr->offset[hdr->top] =  (BUN) (task->dst - (char*) task->hdr);
-       minsize = hdr->offset[1];
+       minsize = hdr->offset[2];
        j = 0;
-       for( i = 0; i < hdr->top; i++)
-       if ( hdr->offset[i] - hdr->offset[i+1] < minsize ){
-               minsize = hdr->offset[i] - hdr->offset[i+1];
+       for( i = 0; i < hdr->top-1; i++)
+       if ( hdr->offset[i] - hdr->offset[i+2] < minsize ){
+               minsize = hdr->offset[i] - hdr->offset[i+2];
                j = i;
        }
 #ifdef _DEBUG_MOSAIC_
        mnstr_printf(cntxt->fdout,"#ditch entry %d\n",j);
 #endif
        // simply remove on element
-       for( i = j; i < hdr->top; i++){
+       for( i = j+1; i < hdr->top; i++){
                hdr->oidbase[i]  = hdr->oidbase[i+1];
                hdr->offset[i] = hdr->offset[i+1];
        }
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