[ignite-3] branch ignite-14972 updated: Add ColumnMetadataImpl

[pt...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

ptupitsyn pushed a commit to branch ignite-14972
in repository https://gitbox.apache.org/repos/asf/ignite-3.git


The following commit(s) were added to refs/heads/ignite-14972 by this push:
     new 1afb57b74 Add ColumnMetadataImpl
1afb57b74 is described below

commit 1afb57b7462a744fe471700fd8b78ca8d161428c
Author: Pavel Tupitsyn <pt...@apache.org>
AuthorDate: Mon May 30 20:46:37 2022 +0300

    Add ColumnMetadataImpl
---
 .../internal/sql/api/AsyncResultSetImpl.java       | 22 +++++++-
 .../internal/sql/api/ColumnMetadataImpl.java       | 64 ++++++++++++++++++++++
 2 files changed, 85 insertions(+), 1 deletion(-)

diff --git a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/api/AsyncResultSetImpl.java b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/api/AsyncResultSetImpl.java
index c5ef52bf6..1a2ee8255 100644
--- a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/api/AsyncResultSetImpl.java
+++ b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/api/AsyncResultSetImpl.java
@@ -21,6 +21,7 @@ import java.time.Instant;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
+import java.util.ArrayList;
 import java.util.BitSet;
 import java.util.Iterator;
 import java.util.List;
@@ -35,6 +36,7 @@ import org.apache.ignite.internal.sql.engine.AsyncSqlCursor;
 import org.apache.ignite.internal.sql.engine.ResultFieldMetadata;
 import org.apache.ignite.internal.sql.engine.SqlQueryType;
 import org.apache.ignite.internal.sql.engine.util.TransformingIterator;
+import org.apache.ignite.sql.ColumnMetadata;
 import org.apache.ignite.sql.NoRowSetExpectedException;
 import org.apache.ignite.sql.ResultSetMetadata;
 import org.apache.ignite.sql.SqlRow;
@@ -83,7 +85,25 @@ public class AsyncResultSetImpl implements AsyncResultSet {
     /** {@inheritDoc} */
     @Override
     public @Nullable ResultSetMetadata metadata() {
-        throw new UnsupportedOperationException("Not implemented yet.");
+        // TODO: IGNITE-16962
+        return new ResultSetMetadata() {
+            @Override
+            public List<ColumnMetadata> columns() {
+                var res = new ArrayList<ColumnMetadata>(cur.metadata().fields().size());
+
+                for (var f : cur.metadata().fields()) {
+                    res.add(new ColumnMetadataImpl(f));
+                }
+
+                return res;
+            }
+
+            @Override
+            public int indexOf(String columnName) {
+                // TODO: IGNITE-16962
+                return 0;
+            }
+        };
     }
 
     /** {@inheritDoc} */
diff --git a/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/api/ColumnMetadataImpl.java b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/api/ColumnMetadataImpl.java
new file mode 100644
index 000000000..5b87ea7ef
--- /dev/null
+++ b/modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/api/ColumnMetadataImpl.java
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.ignite.internal.sql.api;
+
+import org.apache.ignite.internal.sql.engine.ResultFieldMetadata;
+import org.apache.ignite.sql.ColumnMetadata;
+
+/**
+ * Column metadata.
+ */
+class ColumnMetadataImpl implements ColumnMetadata {
+    /** */
+    private final ResultFieldMetadata fieldMetadata;
+
+    /**
+     * Constructor.
+     *
+     * @param fieldMetadata Field metadata.
+     */
+    public ColumnMetadataImpl(ResultFieldMetadata fieldMetadata) {
+        this.fieldMetadata = fieldMetadata;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public String name() {
+        return fieldMetadata.name();
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public Class<?> valueClass() {
+        // TODO: IGNITE-16962
+        return Object.class;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public Object type() {
+        // TODO: IGNITE-16962
+        return null;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public boolean nullable() {
+        return fieldMetadata.isNullable();
+    }
+}