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合入PR: Bitmap Index Scan optimization,使用宏和模板重构bitmap使用的hashtable

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This commit is contained in:
yyl164119487
2023-03-01 19:30:09 -08:00
parent 2f380bcdb0
commit 93b27dc49f
22 changed files with 1808 additions and 265 deletions
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17
src/gausskernel/runtime/executor/nodeBitmapOr.cpp
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@ -126,15 +126,11 @@ Node* MultiExecBitmapOr(BitmapOrState* node)
/* first subplan */
if (result == NULL) {
/* XXX should we use less than u_sess->attr.attr_memory.work_mem for this? */
result = TbmCreate(u_sess->attr.attr_memory.work_mem * 1024L, isUstore);
/* If bitmapscan uses global partition index, set tbm to global. */
if (RelationIsGlobalIndex(((BitmapIndexScanState*)subnode)->biss_RelationDesc)) {
tbm_set_global(result, true);
}
/* If bitmapscan uses crossbucket index, set tbm to crossbucket. */
if (RelationIsCrossBucketIndex(((BitmapIndexScanState*)subnode)->biss_RelationDesc)) {
tbm_set_crossbucket(result, true);
}
long maxbytes = u_sess->attr.attr_memory.work_mem * 1024L;
result = tbm_create(maxbytes,
RelationIsGlobalIndex(((BitmapIndexScanState *)subnode)->biss_RelationDesc),
RelationIsCrossBucketIndex(((BitmapIndexScanState *)subnode)->biss_RelationDesc),
isUstore);
}
((BitmapIndexScanState*)subnode)->biss_result = result;
@ -157,13 +153,14 @@ Node* MultiExecBitmapOr(BitmapOrState* node)
if (result == NULL) {
result = subresult; /* first subplan */
} else {
TBMHandler tbm_handler = tbm_get_handler(result);
if (tbm_is_global(result) != tbm_is_global(subresult)) {
ereport(ERROR,
(errcode(ERRCODE_UNRECOGNIZED_NODE_TYPE),
errmsg(
"do not support bitmap index scan for global index and local index simultaneously.")));
}
tbm_union(result, subresult);
tbm_handler._union(result, subresult);
tbm_free(subresult);
}
}