Give column a name

Some databases require columns to be named under some conditions. For example, SQL Servers require this in subqueries.
trinodb · Jan 22, 2021 · 4abdb48 · 4abdb48
1 parent db906c3
commit 4abdb48
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/plugin/trino-base-jdbc/src/main/java/io/trino/plugin/jdbc/QueryBuilder.java b/plugin/trino-base-jdbc/src/main/java/io/trino/plugin/jdbc/QueryBuilder.java
@@ -147,7 +147,7 @@ protected String getRelation(RemoteTableName remoteTableName)
     protected String getProjection(List<JdbcColumnHandle> columns)
     {
         if (columns.isEmpty()) {
-            return "1";
+            return "1 x";
         }
         return columns.stream()
                 .map(jdbcColumnHandle -> format("%s AS %s", jdbcColumnHandle.toSqlExpression(client::quoted), client.quoted(jdbcColumnHandle.getColumnName())))