fix(fuzzer): Fix toSql methods for NestedLoopJoinNode in Reference Qu…

…ery Runners (facebookincubator#11576) Summary: The select clause is completely missing in the produced query string. Reviewed By: kagamiori Differential Revision: D66132514
DanielHunte · Dec 9, 2024 · 5ee8dcb · 5ee8dcb
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commit 5ee8dcb
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diff --git a/velox/exec/fuzzer/DuckQueryRunner.cpp b/velox/exec/fuzzer/DuckQueryRunner.cpp
@@ -462,6 +462,8 @@ std::optional<std::string> DuckQueryRunner::toSql(
   const auto& outputNames = joinNode->outputType()->names();
   std::stringstream sql;
 
+  sql << "SELECT " << folly::join(", ", outputNames);
+
   // Nested loop join without filter.
   VELOX_CHECK(
       joinNode->joinCondition() == nullptr,

diff --git a/velox/exec/fuzzer/PrestoQueryRunner.cpp b/velox/exec/fuzzer/PrestoQueryRunner.cpp
@@ -676,6 +676,8 @@ std::optional<std::string> PrestoQueryRunner::toSql(
   const auto& outputNames = joinNode->outputType()->names();
   std::stringstream sql;
 
+  sql << "SELECT " << folly::join(", ", outputNames);
+
   // Nested loop join without filter.
   VELOX_CHECK(
       joinNode->joinCondition() == nullptr,