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add setJoinSubsetType to inject joinSubsetType to BeamSqlSeekableTable #28477

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merged 5 commits into from
Sep 20, 2023
Merged

add setJoinSubsetType to inject joinSubsetType to BeamSqlSeekableTable #28477

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e7ceff4
add setJoinSubsetType to inject joinSubsetType to BeamSqlSeekableTable
gabrywu Sep 15, 2023
c08b522
1. delete setJoinSubsetType
gabrywu Sep 18, 2023
09fb0df
add comments to Breaking Changes section
gabrywu Sep 20, 2023
28e0068
Merge branch 'master' into issue#28283
gabrywu Sep 20, 2023
244a008
Update sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/ext…
Abacn Sep 20, 2023
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2 changes: 2 additions & 0 deletions ...extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/BeamSqlSeekableTable.java
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Expand Up @@ -20,6 +20,7 @@
import java.io.Serializable;
import java.util.List;
import org.apache.beam.sdk.options.PipelineOptions;
import org.apache.beam.sdk.schemas.Schema;
import org.apache.beam.sdk.transforms.DoFn;
import org.apache.beam.sdk.values.Row;

Expand All @@ -28,6 +29,7 @@
* FROM FACT_TABLE JOIN LOOKUP_TABLE ON ...}.
*/
public interface BeamSqlSeekableTable extends Serializable {
default void setJoinSubsetType(Schema joinSubsetType) {}
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/** prepare the instance. */
default void setUp() {}

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1 change: 1 addition & 0 deletions ...l/src/main/java/org/apache/beam/sdk/extensions/sql/impl/transform/BeamJoinTransforms.java
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Expand Up @@ -116,6 +116,7 @@ public JoinAsLookup(
this.outputSchema = outputSchema;
this.factColOffset = factColOffset;
joinFieldsMapping(joinCondition, factColOffset, lkpColOffset);
this.seekableTable.setJoinSubsetType(joinSubsetType);
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}

private void joinFieldsMapping(RexNode joinCondition, int factColOffset, int lkpColOffset) {
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9 changes: 9 additions & 0 deletions ...test/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamSideInputLookupJoinRelTest.java
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Expand Up @@ -34,6 +34,7 @@
import org.apache.beam.sdk.values.POutput;
import org.apache.beam.sdk.values.Row;
import org.hamcrest.core.StringContains;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Rule;
import org.junit.Test;
Expand All @@ -48,10 +49,17 @@ public class BeamSideInputLookupJoinRelTest extends BaseRelTest {
/** Test table for JOIN-AS-LOOKUP. */
public static class SiteLookupTable extends SchemaBaseBeamTable implements BeamSqlSeekableTable {

private Schema joinSubsetType;

public SiteLookupTable(Schema schema) {
super(schema);
}

@Override
public void setJoinSubsetType(Schema joinSubsetType) {
this.joinSubsetType = joinSubsetType;
}

@Override
public PCollection.IsBounded isBounded() {
return PCollection.IsBounded.BOUNDED;
Expand All @@ -69,6 +77,7 @@ public POutput buildIOWriter(PCollection<Row> input) {

@Override
public List<Row> seekRow(Row lookupSubRow) {
Assert.assertNotNull(joinSubsetType);
if (lookupSubRow.getInt32("site_id") == 2) {
return Arrays.asList(Row.withSchema(getSchema()).addValues(2, "SITE1").build());
}
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