lowka commented on code in PR #2800:
URL: https://github.com/apache/ignite-3/pull/2800#discussion_r1386407032
##########
modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/exec/RowHandler.java:
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@@ -104,4 +99,39 @@ interface RowFactory<RowT> {
*/
RowT create(InternalTuple tuple);
}
+
+ /**
+ * A builder to create rows. It uses the schema provided by an instance of
row factory that created it.
+ *
+ * <pre>
+ * // Create a row builder
+ * var rowBuilder = rowFactory.rowBuilder();
+ *
+ * // Call newRow() to start construction of a new row.
+ * rowBuilder.newRow();
+ * ...
+ * // Call build() after all fields have been set.
+ * var row1 = rowBuilder.build();
+ * </pre>
+ */
+ interface RowBuilder<RowT> {
+
+ /**
+ * Initiates construction of a new row. This method should be called
prior to the first call to {@link #addField(Object)}.
+ *
+ * @return this.
+ */
+ RowBuilder<RowT> newRow();
+
+ /**
+ * Add a field to the current row.
+ *
+ * @param value Field value.
+ * @return this.
+ */
+ RowBuilder<RowT> addField(Object value);
Review Comment:
Thanks. Fixed.
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