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-rw-r--r--sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala125
-rw-r--r--sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala42
-rw-r--r--sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala2
-rw-r--r--sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala46
-rw-r--r--sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/RemoveRedundantAliasAndProjectSuite.scala (renamed from sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/RemoveAliasOnlyProjectSuite.scala)52
-rw-r--r--sql/core/src/test/resources/sql-tests/inputs/cte.sql15
-rw-r--r--sql/core/src/test/resources/sql-tests/inputs/union.sql16
-rw-r--r--sql/core/src/test/resources/sql-tests/results/cte.sql.out49
-rw-r--r--sql/core/src/test/resources/sql-tests/results/union.sql.out70
9 files changed, 302 insertions, 115 deletions
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
index d8e9d3043c..0c13e3e93a 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala
@@ -110,7 +110,8 @@ abstract class Optimizer(sessionCatalog: SessionCatalog, conf: CatalystConf)
SimplifyCaseConversionExpressions,
RewriteCorrelatedScalarSubquery,
EliminateSerialization,
- RemoveAliasOnlyProject,
+ RemoveRedundantAliases,
+ RemoveRedundantProject,
SimplifyCreateStructOps,
SimplifyCreateArrayOps,
SimplifyCreateMapOps) ::
@@ -157,56 +158,98 @@ class SimpleTestOptimizer extends Optimizer(
new SimpleCatalystConf(caseSensitiveAnalysis = true))
/**
- * Removes the Project only conducting Alias of its child node.
- * It is created mainly for removing extra Project added in EliminateSerialization rule,
- * but can also benefit other operators.
+ * Remove redundant aliases from a query plan. A redundant alias is an alias that does not change
+ * the name or metadata of a column, and does not deduplicate it.
*/
-object RemoveAliasOnlyProject extends Rule[LogicalPlan] {
+object RemoveRedundantAliases extends Rule[LogicalPlan] {
+
/**
- * Returns true if the project list is semantically same as child output, after strip alias on
- * attribute.
+ * Create an attribute mapping from the old to the new attributes. This function will only
+ * return the attribute pairs that have changed.
*/
- private def isAliasOnly(
- projectList: Seq[NamedExpression],
- childOutput: Seq[Attribute]): Boolean = {
- if (projectList.length != childOutput.length) {
- false
- } else {
- stripAliasOnAttribute(projectList).zip(childOutput).forall {
- case (a: Attribute, o) if a semanticEquals o => true
- case _ => false
- }
+ private def createAttributeMapping(current: LogicalPlan, next: LogicalPlan)
+ : Seq[(Attribute, Attribute)] = {
+ current.output.zip(next.output).filterNot {
+ case (a1, a2) => a1.semanticEquals(a2)
}
}
- private def stripAliasOnAttribute(projectList: Seq[NamedExpression]) = {
- projectList.map {
- // Alias with metadata can not be stripped, or the metadata will be lost.
- // If the alias name is different from attribute name, we can't strip it either, or we may
- // accidentally change the output schema name of the root plan.
- case a @ Alias(attr: Attribute, name) if a.metadata == Metadata.empty && name == attr.name =>
- attr
- case other => other
- }
+ /**
+ * Remove the top-level alias from an expression when it is redundant.
+ */
+ private def removeRedundantAlias(e: Expression, blacklist: AttributeSet): Expression = e match {
+ // Alias with metadata can not be stripped, or the metadata will be lost.
+ // If the alias name is different from attribute name, we can't strip it either, or we
+ // may accidentally change the output schema name of the root plan.
+ case a @ Alias(attr: Attribute, name)
+ if a.metadata == Metadata.empty && name == attr.name && !blacklist.contains(attr) =>
+ attr
+ case a => a
}
- def apply(plan: LogicalPlan): LogicalPlan = {
- val aliasOnlyProject = plan.collectFirst {
- case p @ Project(pList, child) if isAliasOnly(pList, child.output) => p
- }
+ /**
+ * Remove redundant alias expression from a LogicalPlan and its subtree. A blacklist is used to
+ * prevent the removal of seemingly redundant aliases used to deduplicate the input for a (self)
+ * join.
+ */
+ private def removeRedundantAliases(plan: LogicalPlan, blacklist: AttributeSet): LogicalPlan = {
+ plan match {
+ // A join has to be treated differently, because the left and the right side of the join are
+ // not allowed to use the same attributes. We use a blacklist to prevent us from creating a
+ // situation in which this happens; the rule will only remove an alias if its child
+ // attribute is not on the black list.
+ case Join(left, right, joinType, condition) =>
+ val newLeft = removeRedundantAliases(left, blacklist ++ right.outputSet)
+ val newRight = removeRedundantAliases(right, blacklist ++ newLeft.outputSet)
+ val mapping = AttributeMap(
+ createAttributeMapping(left, newLeft) ++
+ createAttributeMapping(right, newRight))
+ val newCondition = condition.map(_.transform {
+ case a: Attribute => mapping.getOrElse(a, a)
+ })
+ Join(newLeft, newRight, joinType, newCondition)
+
+ case _ =>
+ // Remove redundant aliases in the subtree(s).
+ val currentNextAttrPairs = mutable.Buffer.empty[(Attribute, Attribute)]
+ val newNode = plan.mapChildren { child =>
+ val newChild = removeRedundantAliases(child, blacklist)
+ currentNextAttrPairs ++= createAttributeMapping(child, newChild)
+ newChild
+ }
- aliasOnlyProject.map { case proj =>
- val attributesToReplace = proj.output.zip(proj.child.output).filterNot {
- case (a1, a2) => a1 semanticEquals a2
- }
- val attrMap = AttributeMap(attributesToReplace)
- plan transform {
- case plan: Project if plan eq proj => plan.child
- case plan => plan transformExpressions {
- case a: Attribute if attrMap.contains(a) => attrMap(a)
+ // Create the attribute mapping. Note that the currentNextAttrPairs can contain duplicate
+ // keys in case of Union (this is caused by the PushProjectionThroughUnion rule); in this
+ // case we use the the first mapping (which should be provided by the first child).
+ val mapping = AttributeMap(currentNextAttrPairs)
+
+ // Create a an expression cleaning function for nodes that can actually produce redundant
+ // aliases, use identity otherwise.
+ val clean: Expression => Expression = plan match {
+ case _: Project => removeRedundantAlias(_, blacklist)
+ case _: Aggregate => removeRedundantAlias(_, blacklist)
+ case _: Window => removeRedundantAlias(_, blacklist)
+ case _ => identity[Expression]
}
- }
- }.getOrElse(plan)
+
+ // Transform the expressions.
+ newNode.mapExpressions { expr =>
+ clean(expr.transform {
+ case a: Attribute => mapping.getOrElse(a, a)
+ })
+ }
+ }
+ }
+
+ def apply(plan: LogicalPlan): LogicalPlan = removeRedundantAliases(plan, AttributeSet.empty)
+}
+
+/**
+ * Remove projections from the query plan that do not make any modifications.
+ */
+object RemoveRedundantProject extends Rule[LogicalPlan] {
+ def apply(plan: LogicalPlan): LogicalPlan = plan transform {
+ case p @ Project(_, child) if p.output == child.output => child
}
}
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala
index b108017c4c..a5761703fd 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/QueryPlan.scala
@@ -242,31 +242,7 @@ abstract class QueryPlan[PlanType <: QueryPlan[PlanType]] extends TreeNode[PlanT
* @param rule the rule to be applied to every expression in this operator.
*/
def transformExpressionsDown(rule: PartialFunction[Expression, Expression]): this.type = {
- var changed = false
-
- @inline def transformExpressionDown(e: Expression): Expression = {
- val newE = e.transformDown(rule)
- if (newE.fastEquals(e)) {
- e
- } else {
- changed = true
- newE
- }
- }
-
- def recursiveTransform(arg: Any): AnyRef = arg match {
- case e: Expression => transformExpressionDown(e)
- case Some(e: Expression) => Some(transformExpressionDown(e))
- case m: Map[_, _] => m
- case d: DataType => d // Avoid unpacking Structs
- case seq: Traversable[_] => seq.map(recursiveTransform)
- case other: AnyRef => other
- case null => null
- }
-
- val newArgs = mapProductIterator(recursiveTransform)
-
- if (changed) makeCopy(newArgs).asInstanceOf[this.type] else this
+ mapExpressions(_.transformDown(rule))
}
/**
@@ -276,10 +252,18 @@ abstract class QueryPlan[PlanType <: QueryPlan[PlanType]] extends TreeNode[PlanT
* @return
*/
def transformExpressionsUp(rule: PartialFunction[Expression, Expression]): this.type = {
+ mapExpressions(_.transformUp(rule))
+ }
+
+ /**
+ * Apply a map function to each expression present in this query operator, and return a new
+ * query operator based on the mapped expressions.
+ */
+ def mapExpressions(f: Expression => Expression): this.type = {
var changed = false
- @inline def transformExpressionUp(e: Expression): Expression = {
- val newE = e.transformUp(rule)
+ @inline def transformExpression(e: Expression): Expression = {
+ val newE = f(e)
if (newE.fastEquals(e)) {
e
} else {
@@ -289,8 +273,8 @@ abstract class QueryPlan[PlanType <: QueryPlan[PlanType]] extends TreeNode[PlanT
}
def recursiveTransform(arg: Any): AnyRef = arg match {
- case e: Expression => transformExpressionUp(e)
- case Some(e: Expression) => Some(transformExpressionUp(e))
+ case e: Expression => transformExpression(e)
+ case Some(e: Expression) => Some(transformExpression(e))
case m: Map[_, _] => m
case d: DataType => d // Avoid unpacking Structs
case seq: Traversable[_] => seq.map(recursiveTransform)
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
index 93550e1fc3..0937825e27 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/LogicalPlan.scala
@@ -56,7 +56,7 @@ abstract class LogicalPlan extends QueryPlan[LogicalPlan] with Logging {
*/
def resolveOperators(rule: PartialFunction[LogicalPlan, LogicalPlan]): LogicalPlan = {
if (!analyzed) {
- val afterRuleOnChildren = transformChildren(rule, (t, r) => t.resolveOperators(r))
+ val afterRuleOnChildren = mapChildren(_.resolveOperators(rule))
if (this fastEquals afterRuleOnChildren) {
CurrentOrigin.withOrigin(origin) {
rule.applyOrElse(this, identity[LogicalPlan])
diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala
index 8fec9dd9b4..f37661c315 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/trees/TreeNode.scala
@@ -191,26 +191,6 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends Product {
}
/**
- * Returns a copy of this node where `f` has been applied to all the nodes children.
- */
- def mapChildren(f: BaseType => BaseType): BaseType = {
- var changed = false
- val newArgs = mapProductIterator {
- case arg: TreeNode[_] if containsChild(arg) =>
- val newChild = f(arg.asInstanceOf[BaseType])
- if (newChild fastEquals arg) {
- arg
- } else {
- changed = true
- newChild
- }
- case nonChild: AnyRef => nonChild
- case null => null
- }
- if (changed) makeCopy(newArgs) else this
- }
-
- /**
* Returns a copy of this node with the children replaced.
* TODO: Validate somewhere (in debug mode?) that children are ordered correctly.
*/
@@ -289,9 +269,9 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends Product {
// Check if unchanged and then possibly return old copy to avoid gc churn.
if (this fastEquals afterRule) {
- transformChildren(rule, (t, r) => t.transformDown(r))
+ mapChildren(_.transformDown(rule))
} else {
- afterRule.transformChildren(rule, (t, r) => t.transformDown(r))
+ afterRule.mapChildren(_.transformDown(rule))
}
}
@@ -303,7 +283,7 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends Product {
* @param rule the function use to transform this nodes children
*/
def transformUp(rule: PartialFunction[BaseType, BaseType]): BaseType = {
- val afterRuleOnChildren = transformChildren(rule, (t, r) => t.transformUp(r))
+ val afterRuleOnChildren = mapChildren(_.transformUp(rule))
if (this fastEquals afterRuleOnChildren) {
CurrentOrigin.withOrigin(origin) {
rule.applyOrElse(this, identity[BaseType])
@@ -316,18 +296,14 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends Product {
}
/**
- * Returns a copy of this node where `rule` has been recursively applied to all the children of
- * this node. When `rule` does not apply to a given node it is left unchanged.
- * @param rule the function used to transform this nodes children
+ * Returns a copy of this node where `f` has been applied to all the nodes children.
*/
- protected def transformChildren(
- rule: PartialFunction[BaseType, BaseType],
- nextOperation: (BaseType, PartialFunction[BaseType, BaseType]) => BaseType): BaseType = {
+ def mapChildren(f: BaseType => BaseType): BaseType = {
if (children.nonEmpty) {
var changed = false
val newArgs = mapProductIterator {
case arg: TreeNode[_] if containsChild(arg) =>
- val newChild = nextOperation(arg.asInstanceOf[BaseType], rule)
+ val newChild = f(arg.asInstanceOf[BaseType])
if (!(newChild fastEquals arg)) {
changed = true
newChild
@@ -335,7 +311,7 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends Product {
arg
}
case Some(arg: TreeNode[_]) if containsChild(arg) =>
- val newChild = nextOperation(arg.asInstanceOf[BaseType], rule)
+ val newChild = f(arg.asInstanceOf[BaseType])
if (!(newChild fastEquals arg)) {
changed = true
Some(newChild)
@@ -344,7 +320,7 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends Product {
}
case m: Map[_, _] => m.mapValues {
case arg: TreeNode[_] if containsChild(arg) =>
- val newChild = nextOperation(arg.asInstanceOf[BaseType], rule)
+ val newChild = f(arg.asInstanceOf[BaseType])
if (!(newChild fastEquals arg)) {
changed = true
newChild
@@ -356,7 +332,7 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends Product {
case d: DataType => d // Avoid unpacking Structs
case args: Traversable[_] => args.map {
case arg: TreeNode[_] if containsChild(arg) =>
- val newChild = nextOperation(arg.asInstanceOf[BaseType], rule)
+ val newChild = f(arg.asInstanceOf[BaseType])
if (!(newChild fastEquals arg)) {
changed = true
newChild
@@ -364,8 +340,8 @@ abstract class TreeNode[BaseType <: TreeNode[BaseType]] extends Product {
arg
}
case tuple@(arg1: TreeNode[_], arg2: TreeNode[_]) =>
- val newChild1 = nextOperation(arg1.asInstanceOf[BaseType], rule)
- val newChild2 = nextOperation(arg2.asInstanceOf[BaseType], rule)
+ val newChild1 = f(arg1.asInstanceOf[BaseType])
+ val newChild2 = f(arg2.asInstanceOf[BaseType])
if (!(newChild1 fastEquals arg1) || !(newChild2 fastEquals arg2)) {
changed = true
(newChild1, newChild2)
diff --git a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/RemoveAliasOnlyProjectSuite.scala b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/RemoveRedundantAliasAndProjectSuite.scala
index 7c26cb5598..c01ea01ec6 100644
--- a/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/RemoveAliasOnlyProjectSuite.scala
+++ b/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/RemoveRedundantAliasAndProjectSuite.scala
@@ -25,10 +25,15 @@ import org.apache.spark.sql.catalyst.plans.logical._
import org.apache.spark.sql.catalyst.rules._
import org.apache.spark.sql.types.MetadataBuilder
-class RemoveAliasOnlyProjectSuite extends PlanTest with PredicateHelper {
+class RemoveRedundantAliasAndProjectSuite extends PlanTest with PredicateHelper {
object Optimize extends RuleExecutor[LogicalPlan] {
- val batches = Batch("RemoveAliasOnlyProject", FixedPoint(50), RemoveAliasOnlyProject) :: Nil
+ val batches = Batch(
+ "RemoveAliasOnlyProject",
+ FixedPoint(50),
+ PushProjectionThroughUnion,
+ RemoveRedundantAliases,
+ RemoveRedundantProject) :: Nil
}
test("all expressions in project list are aliased child output") {
@@ -42,7 +47,8 @@ class RemoveAliasOnlyProjectSuite extends PlanTest with PredicateHelper {
val relation = LocalRelation('a.int, 'b.int)
val query = relation.select('b as 'b, 'a as 'a).analyze
val optimized = Optimize.execute(query)
- comparePlans(optimized, query)
+ val expected = relation.select('b, 'a).analyze
+ comparePlans(optimized, expected)
}
test("some expressions in project list are aliased child output") {
@@ -56,14 +62,16 @@ class RemoveAliasOnlyProjectSuite extends PlanTest with PredicateHelper {
val relation = LocalRelation('a.int, 'b.int)
val query = relation.select('b as 'b, 'a).analyze
val optimized = Optimize.execute(query)
- comparePlans(optimized, query)
+ val expected = relation.select('b, 'a).analyze
+ comparePlans(optimized, expected)
}
test("some expressions in project list are not Alias or Attribute") {
val relation = LocalRelation('a.int, 'b.int)
val query = relation.select('a as 'a, 'b + 1).analyze
val optimized = Optimize.execute(query)
- comparePlans(optimized, query)
+ val expected = relation.select('a, 'b + 1).analyze
+ comparePlans(optimized, expected)
}
test("some expressions in project list are aliased child output but with metadata") {
@@ -74,4 +82,38 @@ class RemoveAliasOnlyProjectSuite extends PlanTest with PredicateHelper {
val optimized = Optimize.execute(query)
comparePlans(optimized, query)
}
+
+ test("retain deduplicating alias in self-join") {
+ val relation = LocalRelation('a.int)
+ val fragment = relation.select('a as 'a)
+ val query = fragment.select('a as 'a).join(fragment.select('a as 'a)).analyze
+ val optimized = Optimize.execute(query)
+ val expected = relation.join(relation.select('a as 'a)).analyze
+ comparePlans(optimized, expected)
+ }
+
+ test("alias removal should not break after push project through union") {
+ val r1 = LocalRelation('a.int)
+ val r2 = LocalRelation('b.int)
+ val query = r1.select('a as 'a).union(r2.select('b as 'b)).select('a).analyze
+ val optimized = Optimize.execute(query)
+ val expected = r1.union(r2)
+ comparePlans(optimized, expected)
+ }
+
+ test("remove redundant alias from aggregate") {
+ val relation = LocalRelation('a.int, 'b.int)
+ val query = relation.groupBy('a as 'a)('a as 'a, sum('b)).analyze
+ val optimized = Optimize.execute(query)
+ val expected = relation.groupBy('a)('a, sum('b)).analyze
+ comparePlans(optimized, expected)
+ }
+
+ test("remove redundant alias from window") {
+ val relation = LocalRelation('a.int, 'b.int)
+ val query = relation.window(Seq('b as 'b), Seq('a as 'a), Seq()).analyze
+ val optimized = Optimize.execute(query)
+ val expected = relation.window(Seq('b), Seq('a), Seq()).analyze
+ comparePlans(optimized, expected)
+ }
}
diff --git a/sql/core/src/test/resources/sql-tests/inputs/cte.sql b/sql/core/src/test/resources/sql-tests/inputs/cte.sql
index 3914db2691..d34d89f235 100644
--- a/sql/core/src/test/resources/sql-tests/inputs/cte.sql
+++ b/sql/core/src/test/resources/sql-tests/inputs/cte.sql
@@ -12,3 +12,18 @@ WITH s1 AS (SELECT 1 FROM s2), s2 AS (SELECT 1 FROM s1) SELECT * FROM s1, s2;
-- WITH clause should reference the previous CTE
WITH t1 AS (SELECT * FROM t2), t2 AS (SELECT 2 FROM t1) SELECT * FROM t1 cross join t2;
+
+-- SPARK-18609 CTE with self-join
+WITH CTE1 AS (
+ SELECT b.id AS id
+ FROM T2 a
+ CROSS JOIN (SELECT id AS id FROM T2) b
+)
+SELECT t1.id AS c1,
+ t2.id AS c2
+FROM CTE1 t1
+ CROSS JOIN CTE1 t2;
+
+-- Clean up
+DROP VIEW IF EXISTS t;
+DROP VIEW IF EXISTS t2;
diff --git a/sql/core/src/test/resources/sql-tests/inputs/union.sql b/sql/core/src/test/resources/sql-tests/inputs/union.sql
index 1f4780abde..e57d69eaad 100644
--- a/sql/core/src/test/resources/sql-tests/inputs/union.sql
+++ b/sql/core/src/test/resources/sql-tests/inputs/union.sql
@@ -22,6 +22,22 @@ FROM (SELECT 0 a, 0 b
SELECT SUM(1) a, CAST(0 AS BIGINT) b
UNION ALL SELECT 0 a, 0 b) T;
+-- Regression test for SPARK-18841 Push project through union should not be broken by redundant alias removal.
+CREATE OR REPLACE TEMPORARY VIEW p1 AS VALUES 1 T(col);
+CREATE OR REPLACE TEMPORARY VIEW p2 AS VALUES 1 T(col);
+CREATE OR REPLACE TEMPORARY VIEW p3 AS VALUES 1 T(col);
+SELECT 1 AS x,
+ col
+FROM (SELECT col AS col
+ FROM (SELECT p1.col AS col
+ FROM p1 CROSS JOIN p2
+ UNION ALL
+ SELECT col
+ FROM p3) T1) T2;
+
-- Clean-up
DROP VIEW IF EXISTS t1;
DROP VIEW IF EXISTS t2;
+DROP VIEW IF EXISTS p1;
+DROP VIEW IF EXISTS p2;
+DROP VIEW IF EXISTS p3;
diff --git a/sql/core/src/test/resources/sql-tests/results/cte.sql.out b/sql/core/src/test/resources/sql-tests/results/cte.sql.out
index 9fbad8f380..a446c2cd18 100644
--- a/sql/core/src/test/resources/sql-tests/results/cte.sql.out
+++ b/sql/core/src/test/resources/sql-tests/results/cte.sql.out
@@ -1,5 +1,5 @@
-- Automatically generated by SQLQueryTestSuite
--- Number of queries: 6
+-- Number of queries: 9
-- !query 0
@@ -55,3 +55,50 @@ struct<id:int,2:int>
0 2
1 2
1 2
+
+
+-- !query 6
+WITH CTE1 AS (
+ SELECT b.id AS id
+ FROM T2 a
+ CROSS JOIN (SELECT id AS id FROM T2) b
+)
+SELECT t1.id AS c1,
+ t2.id AS c2
+FROM CTE1 t1
+ CROSS JOIN CTE1 t2
+-- !query 6 schema
+struct<c1:int,c2:int>
+-- !query 6 output
+0 0
+0 0
+0 0
+0 0
+0 1
+0 1
+0 1
+0 1
+1 0
+1 0
+1 0
+1 0
+1 1
+1 1
+1 1
+1 1
+
+
+-- !query 7
+DROP VIEW IF EXISTS t
+-- !query 7 schema
+struct<>
+-- !query 7 output
+
+
+
+-- !query 8
+DROP VIEW IF EXISTS t2
+-- !query 8 schema
+struct<>
+-- !query 8 output
+
diff --git a/sql/core/src/test/resources/sql-tests/results/union.sql.out b/sql/core/src/test/resources/sql-tests/results/union.sql.out
index c57028cabe..d123b7fdbe 100644
--- a/sql/core/src/test/resources/sql-tests/results/union.sql.out
+++ b/sql/core/src/test/resources/sql-tests/results/union.sql.out
@@ -1,5 +1,5 @@
-- Automatically generated by SQLQueryTestSuite
--- Number of queries: 7
+-- Number of queries: 14
-- !query 0
@@ -65,7 +65,7 @@ struct<a:bigint>
-- !query 5
-DROP VIEW IF EXISTS t1
+CREATE OR REPLACE TEMPORARY VIEW p1 AS VALUES 1 T(col)
-- !query 5 schema
struct<>
-- !query 5 output
@@ -73,8 +73,72 @@ struct<>
-- !query 6
-DROP VIEW IF EXISTS t2
+CREATE OR REPLACE TEMPORARY VIEW p2 AS VALUES 1 T(col)
-- !query 6 schema
struct<>
-- !query 6 output
+
+
+-- !query 7
+CREATE OR REPLACE TEMPORARY VIEW p3 AS VALUES 1 T(col)
+-- !query 7 schema
+struct<>
+-- !query 7 output
+
+
+
+-- !query 8
+SELECT 1 AS x,
+ col
+FROM (SELECT col AS col
+ FROM (SELECT p1.col AS col
+ FROM p1 CROSS JOIN p2
+ UNION ALL
+ SELECT col
+ FROM p3) T1) T2
+-- !query 8 schema
+struct<x:int,col:int>
+-- !query 8 output
+1 1
+1 1
+
+
+-- !query 9
+DROP VIEW IF EXISTS t1
+-- !query 9 schema
+struct<>
+-- !query 9 output
+
+
+
+-- !query 10
+DROP VIEW IF EXISTS t2
+-- !query 10 schema
+struct<>
+-- !query 10 output
+
+
+
+-- !query 11
+DROP VIEW IF EXISTS p1
+-- !query 11 schema
+struct<>
+-- !query 11 output
+
+
+
+-- !query 12
+DROP VIEW IF EXISTS p2
+-- !query 12 schema
+struct<>
+-- !query 12 output
+
+
+
+-- !query 13
+DROP VIEW IF EXISTS p3
+-- !query 13 schema
+struct<>
+-- !query 13 output
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-01 21:12:18 +0000