rdblue commented on code in PR #4614:
URL: https://github.com/apache/iceberg/pull/4614#discussion_r857183740
##########
spark/v2.4/spark/src/test/java/org/apache/iceberg/spark/source/TestIcebergSourceTablesBase.java:
##########
@@ -1415,6 +1415,89 @@ public void testRemoveOrphanFilesActionSupport() throws
InterruptedException {
Assert.assertEquals("Rows must match", records, actualRecords);
}
+ @Test
+ public void testOverwritePartition() {
+ TableIdentifier tableIdentifier = TableIdentifier.of("db", "entries_test");
+ Table table = createTable(tableIdentifier, SCHEMA,
PartitionSpec.builderFor(SCHEMA).identity("id").build());
+
+ Dataset<Row> df1 = spark.createDataFrame(Lists.newArrayList(new
SimpleRecord(1, "a")), SimpleRecord.class);
+ df1.select("id", "data").write()
+ .format("iceberg")
+ .mode("append")
+ .save(loadLocation(tableIdentifier));
+
+ List<SimpleRecord> result = spark.read()
+ .format("iceberg")
+ .load(loadLocation(tableIdentifier))
+ .as(Encoders.bean(SimpleRecord.class))
+ .collectAsList();
+ Assert.assertEquals(result, Lists.newArrayList(new SimpleRecord(1, "a")));
+
+ // Now, we try to overwrite the partition id=1
+ Dataset<Row> df2 = spark.createDataFrame(Lists.newArrayList(new
SimpleRecord(1, "b")), SimpleRecord.class);
+ df2.select("id", "data").write()
+ .format("iceberg")
+ .mode("overwrite")
+ .option("overwrite-partitions", "id=1")
+ .save(loadLocation(tableIdentifier));
+
+ result = spark.read()
+ .format("iceberg")
+ .load(loadLocation(tableIdentifier))
+ .as(Encoders.bean(SimpleRecord.class))
+ .collectAsList();
Review Comment:
Can you fix the formatting of this file? Continuation indents should be 4
spaces, not 8.
##########
spark/v2.4/spark/src/main/java/org/apache/iceberg/spark/source/Writer.java:
##########
@@ -173,6 +185,38 @@ private void replacePartitions(WriterCommitMessage[]
messages) {
commitOperation(dynamicOverwrite, numFiles, "dynamic partition overwrite");
}
+ private void replaceOverwritePartitions(WriterCommitMessage[] messages) {
+ final Expression overwriteExpression =
parseOverwritePartitionFilter(overwriteFilter);
+ Iterable<DataFile> files = files(messages);
+
+ if (!files.iterator().hasNext()) {
+ LOG.info("Static overwrite is empty, skipping commit");
+ return;
+ }
+
+ OverwriteFiles overwriteFiles = table.newOverwrite()
+ .overwriteByRowFilter(overwriteExpression);
Review Comment:
Indentation is off here as well.
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