Fix issue with identifying column nullability

prestodb · Apr 25, 2024 · a3e4364 · a3e4364
1 parent 522e095
commit a3e4364
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/presto-main/src/main/java/com/facebook/presto/connector/system/jdbc/ColumnJdbcTable.java b/presto-main/src/main/java/com/facebook/presto/connector/system/jdbc/ColumnJdbcTable.java
@@ -148,14 +148,14 @@ private static void addColumnRows(Builder builder, String catalog, SchemaTableNa
                     0,
                     decimalDigits(column.getType()),
                     numPrecRadix(column.getType()),
-                    DatabaseMetaData.columnNullableUnknown,
+                    column.isNullable() ? DatabaseMetaData.columnNullable : DatabaseMetaData.columnNoNulls,
                     column.getComment(),
                     null,
                     null,
                     null,
                     charOctetLength(column.getType()),
                     ordinalPosition,
-                    "",
+                    column.isNullable() ? "YES" : "NO",
                     null,
                     null,
                     null,