Added test for an any set comparison subquery.

src/substrait/textplan/converter/PlanPrinterVisitor.cpp

@@ -285,7 +285,7 @@ std::any PlanPrinterVisitor::visitSubquerySetComparison(
  const ::substrait::proto::Expression_Subquery_SetComparison& query) {
  std::stringstream result;
  if (query.has_left()) {
- result << ANY_CAST(std::string, visitExpression(query.left()));
+ result << ANY_CAST(std::string, visitExpression(query.left())) << " ";
  } else {
  errorListener_->addError(
  "No expression defined for set comparison operation.");

src/substrait/textplan/data/set-comparision-any.json

@@ -0,0 +1,126 @@
+# isthmus -c "CREATE TABLE NATION (N_REGIONKEY BIGINT NOT NULL)" "SELECT * FROM NATION WHERE N_REGIONKEY IN (SELECT N_REGIONKEY FROM NATION)" 
+{
+ "extensionUris": [],
+ "extensions": [],
+ "relations": [{
+ "root": {
+ "input": {
+ "project": {
+ "common": {
+ "emit": {
+ "outputMapping": [1]
+ }
+ },
+ "input": {
+ "filter": {
+ "common": {
+ "direct": {
+ }
+ },
+ "input": {
+ "read": {
+ "common": {
+ "direct": {
+ }
+ },
+ "baseSchema": {
+ "names": ["N_REGIONKEY"],
+ "struct": {
+ "types": [{
+ "i64": {
+ "typeVariationReference": 0,
+ "nullability": "NULLABILITY_REQUIRED"
+ }
+ }],
+ "typeVariationReference": 0,
+ "nullability": "NULLABILITY_REQUIRED"
+ }
+ },
+ "namedTable": {
+ "names": ["NATION"]
+ }
+ }
+ },
+ "condition": {
+ "subquery": {
+ "setComparison": {
+ "comparisonOp": 3,
+ "reductionOp": 1,
+ "left": {
+ "selection": {
+ "directReference": {
+ "structField": {
+ "field": 0
+ }
+ },
+ "rootReference": {
+ }
+ }
+ },
+ "right": {
+ "project": {
+ "common": {
+ "emit": {
+ "outputMapping": [1]
+ }
+ },
+ "input": {
+ "read": {
+ "common": {
+ "direct": {
+ }
+ },
+ "baseSchema": {
+ "names": ["N_REGIONKEY"],
+ "struct": {
+ "types": [{
+ "i64": {
+ "typeVariationReference": 0,
+ "nullability": "NULLABILITY_REQUIRED"
+ }
+ }],
+ "typeVariationReference": 0,
+ "nullability": "NULLABILITY_REQUIRED"
+ }
+ },
+ "namedTable": {
+ "names": ["NATION"]
+ }
+ }
+ },
+ "expressions": [{
+ "selection": {
+ "directReference": {
+ "structField": {
+ "field": 0
+ }
+ },
+ "rootReference": {
+ }
+ }
+ }]
+ }
+ }
+ }
+ }
+ }
+ }
+ },
+ "expressions": [{
+ "selection": {
+ "directReference": {
+ "structField": {
+ "field": 0
+ }
+ },
+ "rootReference": {
+ }
+ }
+ }]
+ }
+ },
+ "names": ["N_REGIONKEY"]
+ }
+ }],
+ "expectedTypeUrls": []
+}