Enhance view owner validation

Author: sopel39

core/trino-main/src/main/java/io/trino/sql/analyzer/StatementAnalyzer.java

@@ -1470,6 +1470,9 @@ private List<ConnectorViewDefinition.ViewColumn> translateMaterializedViewColumn
 
  private Scope createScopeForView(Table table, QualifiedObjectName name, Optional<Scope> scope, ConnectorViewDefinition view)
  {
+ if (!view.isRunAsInvoker() && view.getOwner().isEmpty()) {
+ throw semanticException(INVALID_VIEW, table, "Owner must be present in view '%s' with SECURITY DEFINER mode", name);
+ }
  return createScopeForView(table, name, scope, view.getOriginalSql(), view.getCatalog(), view.getSchema(), view.getOwner(), view.getColumns());
  }
 

core/trino-main/src/test/java/io/trino/sql/analyzer/TestAnalyzer.java

@@ -3242,7 +3242,7 @@ public void setup()
  ImmutableList.of(new ViewColumn("a", BIGINT.getTypeId())),
  Optional.empty(),
  Optional.empty(),
- false);
+ true);
  inSetupTransaction(session -> metadata.createView(
  session,
  tableViewAndMaterializedView,