Merge pull request #6982 from davidegrohmann/3.0-improve-error-msg

Improve exception message
neo4j · Apr 20, 2016 · 299453b · 299453b
2 parents 6a34a41 + cc5512c
commit 299453b
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/...rc/main/scala/org/neo4j/cypher/internal/compiler/v3_0/planner/logical/idp/IDPSolver.scala b/...rc/main/scala/org/neo4j/cypher/internal/compiler/v3_0/planner/logical/idp/IDPSolver.scala
@@ -77,7 +77,11 @@ class IDPSolver[Solvable, Result, Context](generator: IDPSolverStep[Solvable, Re
     def findBestCandidateInBlock(blockSize: Int): (Goal, Result) = {
       val blockCandidates: Iterable[(Goal, Result)] = LazyIterable(table.plansOfSize(blockSize)).toSeq
       val bestInBlock = goalSelector(blockCandidates)
-      bestInBlock.getOrElse(throw new IllegalStateException("Found no solution for block"))
+      bestInBlock.getOrElse {
+        throw new IllegalStateException(
+          s"""Found no solution for block with size $blockSize,
+              |$blockCandidates were the selected candidates from the table $table""".stripMargin)
+      }
     }
 
     def compactBlock(original: Goal, candidate: Result): Unit = {