[GitHub] [ignite-3] ygerzhedovich commented on a diff in pull request #832: IGNITE-16962: SQL API: Implement query metadata

[GitBox <gi...@apache.org>]

ygerzhedovich commented on code in PR #832:
URL: https://github.com/apache/ignite-3/pull/832#discussion_r888846953


##########
modules/runner/src/integrationTest/java/org/apache/ignite/internal/sql/api/ItSqlAsynchronousApiTest.java:
##########
@@ -192,6 +197,40 @@ public void select() throws ExecutionException, InterruptedException {
         checkSession(ses);
     }
 
+    @Test
+    public void metadata() throws ExecutionException, InterruptedException {
+        sql("CREATE TABLE TEST(COL0 BIGINT PRIMARY KEY, COL1 VARCHAR NOT NULL)");
+        sql("INSERT INTO TEST VALUES (?, ?)", 1L, "some string");
+
+        IgniteSql sql = CLUSTER_NODES.get(0).sql();
+        Session ses = sql.sessionBuilder().build();
+
+        AsyncResultSet rs = ses.executeAsync(null, "SELECT COL1, COL0 FROM TEST").get();
+
+        // Validata columns metadata.
+        ResultSetMetadata meta = rs.metadata();
+
+        assertNotNull(meta);
+        assertEquals(-1, meta.indexOf("COL"));
+        assertEquals(0, meta.indexOf("COL1"));
+        assertEquals(1, meta.indexOf("COL0"));
+
+        //TODO: Fix nullability issue

Review Comment:
   What does it mean?



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