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Posted to commits@pinot.apache.org by "xiangfu0 (via GitHub)" <gi...@apache.org> on 2023/09/01 02:25:08 UTC

[GitHub] [pinot] xiangfu0 opened a new pull request, #11479: [multistage] bugfix: override leaf query limit to 0 if set explicitly from outside

xiangfu0 opened a new pull request, #11479:
URL: https://github.com/apache/pinot/pull/11479

   Current behavior will return full table for query:  `Select * from LIMIT 0`


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[GitHub] [pinot] Jackie-Jiang commented on a diff in pull request #11479: [multistage] bugfix: override leaf query limit to 0 if set explicitly from outside

Posted by "Jackie-Jiang (via GitHub)" <gi...@apache.org>.
Jackie-Jiang commented on code in PR #11479:
URL: https://github.com/apache/pinot/pull/11479#discussion_r1312476989


##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/plan/server/ServerPlanRequestVisitor.java:
##########
@@ -160,10 +160,10 @@ public Void visitSort(SortNode node, ServerPlanRequestContext context) {
     if (node.getCollationKeys().size() > 0) {
       pinotQuery.setOrderByList(CalciteRexExpressionParser.convertOrderByList(node, pinotQuery));
     }
-    if (node.getFetch() > 0) {
+    if (node.getFetch() >= 0) {

Review Comment:
   Probably can be simplified to:
   ```
   pinotQuery.setLimit(node.getFetch());
   pinotQuery.setOffset(node.getOffset());
   ```



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[GitHub] [pinot] xiangfu0 commented on a diff in pull request #11479: [multistage] bugfix: override leaf query limit to 0 if set explicitly from outside

Posted by "xiangfu0 (via GitHub)" <gi...@apache.org>.
xiangfu0 commented on code in PR #11479:
URL: https://github.com/apache/pinot/pull/11479#discussion_r1312484141


##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/plan/server/ServerPlanRequestVisitor.java:
##########
@@ -160,10 +160,10 @@ public Void visitSort(SortNode node, ServerPlanRequestContext context) {
     if (node.getCollationKeys().size() > 0) {
       pinotQuery.setOrderByList(CalciteRexExpressionParser.convertOrderByList(node, pinotQuery));
     }
-    if (node.getFetch() > 0) {
+    if (node.getFetch() >= 0) {

Review Comment:
   done.



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[GitHub] [pinot] xiangfu0 commented on a diff in pull request #11479: [multistage] bugfix: override leaf query limit to 0 if set explicitly from outside

Posted by "xiangfu0 (via GitHub)" <gi...@apache.org>.
xiangfu0 commented on code in PR #11479:
URL: https://github.com/apache/pinot/pull/11479#discussion_r1313062365


##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/plan/server/ServerPlanRequestVisitor.java:
##########
@@ -160,10 +160,10 @@ public Void visitSort(SortNode node, ServerPlanRequestContext context) {
     if (node.getCollationKeys().size() > 0) {
       pinotQuery.setOrderByList(CalciteRexExpressionParser.convertOrderByList(node, pinotQuery));
     }
-    if (node.getFetch() > 0) {
+    if (node.getFetch() >= 0) {

Review Comment:
   we actually need to keep this check, default value is -1 if null. Any number >=0 is explicitly passed from external.



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[GitHub] [pinot] xiangfu0 merged pull request #11479: [multistage] bugfix: override leaf query limit to 0 if set explicitly from outside

Posted by "xiangfu0 (via GitHub)" <gi...@apache.org>.
xiangfu0 merged PR #11479:
URL: https://github.com/apache/pinot/pull/11479


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