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[Feature] support iceberg partitions table (StarRocks#49455)
Signed-off-by: stephen <stephen5217@163.com>
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104 changes: 104 additions & 0 deletions
104
...e-core/src/main/java/com/starrocks/connector/metadata/iceberg/IcebergPartitionsTable.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| // Copyright 2021-present StarRocks, Inc. All rights reserved. | ||
| // | ||
| // Licensed 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 | ||
| // | ||
| // https://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 com.starrocks.connector.metadata.iceberg; | ||
|
|
||
| import com.starrocks.analysis.DescriptorTable; | ||
| import com.starrocks.catalog.Column; | ||
| import com.starrocks.catalog.IcebergTable; | ||
| import com.starrocks.catalog.PrimitiveType; | ||
| import com.starrocks.catalog.StructField; | ||
| import com.starrocks.catalog.StructType; | ||
| import com.starrocks.catalog.Table; | ||
| import com.starrocks.connector.ConnectorTableId; | ||
| import com.starrocks.connector.exception.StarRocksConnectorException; | ||
| import com.starrocks.connector.iceberg.IcebergApiConverter; | ||
| import com.starrocks.connector.metadata.MetadataTable; | ||
| import com.starrocks.connector.metadata.MetadataTableType; | ||
| import com.starrocks.connector.share.iceberg.IcebergPartitionUtils; | ||
| import com.starrocks.server.GlobalStateMgr; | ||
| import com.starrocks.thrift.THdfsTable; | ||
| import com.starrocks.thrift.TTableDescriptor; | ||
| import com.starrocks.thrift.TTableType; | ||
| import org.apache.iceberg.PartitionField; | ||
|
|
||
| import java.util.List; | ||
|
|
||
| import static com.starrocks.catalog.ScalarType.createType; | ||
| import static com.starrocks.connector.metadata.TableMetaMetadata.METADATA_DB_NAME; | ||
|
|
||
| public class IcebergPartitionsTable extends MetadataTable { | ||
| public static final String TABLE_NAME = "iceberg_partitions_table"; | ||
|
|
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| public IcebergPartitionsTable(String catalogName, long id, String name, Table.TableType type, | ||
| List<Column> baseSchema, String originDb, String originTable, | ||
| MetadataTableType metadataTableType) { | ||
| super(catalogName, id, name, type, baseSchema, originDb, originTable, metadataTableType); | ||
| } | ||
|
|
||
| public static IcebergPartitionsTable create(String catalogName, String originDb, String originTable) { | ||
| Table icebergTable = GlobalStateMgr.getCurrentState().getMetadataMgr().getTable(catalogName, originDb, originTable); | ||
| if (icebergTable == null) { | ||
| throw new StarRocksConnectorException("table [%s.%s.%s] does not exist", catalogName, originDb, originTable); | ||
| } | ||
| if (!icebergTable.isIcebergTable()) { | ||
| throw new StarRocksConnectorException("table [%s.%s.%s] isn't an iceberg table", catalogName, originDb, originTable); | ||
| } | ||
| org.apache.iceberg.Table table = ((IcebergTable) icebergTable).getNativeTable(); | ||
| Builder builder = builder(); | ||
| if (table.spec().isPartitioned()) { | ||
| List<PartitionField> partitionFields = IcebergPartitionUtils.getAllPartitionFields(table); | ||
| List<StructField> partitionStructFields = IcebergApiConverter.getPartitionColumns(partitionFields, table.schema()); | ||
| StructType partitionType = new StructType(partitionStructFields, true); | ||
| builder.column("partition_value", partitionType); | ||
| builder.column("spec_id", createType(PrimitiveType.INT)); | ||
| } | ||
|
|
||
| return new IcebergPartitionsTable(catalogName, | ||
| ConnectorTableId.CONNECTOR_ID_GENERATOR.getNextId().asInt(), | ||
| TABLE_NAME, | ||
| Table.TableType.METADATA, | ||
| builder.column("record_count", createType(PrimitiveType.BIGINT)) | ||
| .column("file_count", createType(PrimitiveType.BIGINT)) | ||
| .column("total_data_file_size_in_bytes", createType(PrimitiveType.BIGINT)) | ||
| .column("position_delete_record_count", createType(PrimitiveType.BIGINT)) | ||
| .column("position_delete_file_count", createType(PrimitiveType.BIGINT)) | ||
| .column("equality_delete_record_count", createType(PrimitiveType.BIGINT)) | ||
| .column("equality_delete_file_count", createType(PrimitiveType.BIGINT)) | ||
| .column("last_updated_at", createType(PrimitiveType.DATETIME)) | ||
| .build(), | ||
| originDb, | ||
| originTable, | ||
| MetadataTableType.PARTITIONS); | ||
| } | ||
|
|
||
| @Override | ||
| public TTableDescriptor toThrift(List<DescriptorTable.ReferencedPartitionInfo> partitions) { | ||
| TTableDescriptor tTableDescriptor = new TTableDescriptor(getId(), TTableType.ICEBERG_PARTITIONS_TABLE, | ||
| fullSchema.size(), 0, getName(), METADATA_DB_NAME); | ||
| THdfsTable hdfsTable = buildThriftTable(fullSchema); | ||
| tTableDescriptor.setHdfsTable(hdfsTable); | ||
| return tTableDescriptor; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean isPartitioned() { | ||
| return getColumn("partition") != null; | ||
| } | ||
|
|
||
| @Override | ||
| public boolean supportBuildPlan() { | ||
| return true; | ||
| } | ||
| } |
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116 changes: 116 additions & 0 deletions
116
...va/com/starrocks/sql/optimizer/rule/transformation/IcebergPartitionsTableRewriteRule.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| // Copyright 2021-present StarRocks, Inc. All rights reserved. | ||
| // | ||
| // Licensed 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 | ||
| // | ||
| // https://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 com.starrocks.sql.optimizer.rule.transformation; | ||
|
|
||
| import com.google.common.collect.Lists; | ||
| import com.starrocks.analysis.Expr; | ||
| import com.starrocks.catalog.Column; | ||
| import com.starrocks.catalog.Function; | ||
| import com.starrocks.catalog.Type; | ||
| import com.starrocks.connector.exception.StarRocksConnectorException; | ||
| import com.starrocks.connector.metadata.MetadataTable; | ||
| import com.starrocks.connector.metadata.MetadataTableType; | ||
| import com.starrocks.sql.optimizer.OptExpression; | ||
| import com.starrocks.sql.optimizer.OptimizerContext; | ||
| import com.starrocks.sql.optimizer.operator.AggType; | ||
| import com.starrocks.sql.optimizer.operator.Operator; | ||
| import com.starrocks.sql.optimizer.operator.OperatorType; | ||
| import com.starrocks.sql.optimizer.operator.logical.LogicalAggregationOperator; | ||
| import com.starrocks.sql.optimizer.operator.logical.LogicalIcebergMetadataScanOperator; | ||
| import com.starrocks.sql.optimizer.operator.pattern.Pattern; | ||
| import com.starrocks.sql.optimizer.operator.scalar.CallOperator; | ||
| import com.starrocks.sql.optimizer.operator.scalar.ColumnRefOperator; | ||
| import com.starrocks.sql.optimizer.rule.RuleType; | ||
|
|
||
| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| public class IcebergPartitionsTableRewriteRule extends TransformationRule { | ||
| public IcebergPartitionsTableRewriteRule() { | ||
| super(RuleType.TF_ICEBERG_PARTITIONS_TABLE_REWRITE_RULE, Pattern.create(OperatorType.LOGICAL_ICEBERG_METADATA_SCAN)); | ||
| } | ||
|
|
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| @Override | ||
| public boolean check(final OptExpression input, OptimizerContext context) { | ||
| Operator op = input.getOp(); | ||
| if (!(op instanceof LogicalIcebergMetadataScanOperator)) { | ||
| return false; | ||
| } | ||
| LogicalIcebergMetadataScanOperator scanOperator = op.cast(); | ||
| if (scanOperator.isTransformed()) { | ||
| return false; | ||
| } | ||
| MetadataTable metadataTable = (MetadataTable) scanOperator.getTable(); | ||
| return metadataTable.getMetadataTableType() == MetadataTableType.PARTITIONS; | ||
| } | ||
|
|
||
| @Override | ||
| public List<OptExpression> transform(OptExpression input, OptimizerContext context) { | ||
| LogicalIcebergMetadataScanOperator operator = input.getOp().cast(); | ||
| List<ColumnRefOperator> groupingKeys = new ArrayList<>(); | ||
| Map<ColumnRefOperator, CallOperator> aggregations = new HashMap<>(); | ||
| for (Map.Entry<ColumnRefOperator, Column> entries : operator.getColRefToColumnMetaMap().entrySet()) { | ||
| ColumnRefOperator columnRefOperator = entries.getKey(); | ||
| Column column = entries.getValue(); | ||
| CallOperator agg = null; | ||
| Function fun; | ||
| Type[] argTypes = new Type[] {column.getType()}; | ||
| String columnName = columnRefOperator.getName(); | ||
| switch (columnName) { | ||
| case "partition_value": | ||
| groupingKeys.add(columnRefOperator); | ||
| break; | ||
| case "spec_id": | ||
| fun = Expr.getBuiltinFunction("any_value", argTypes, Function.CompareMode.IS_IDENTICAL); | ||
| agg = new CallOperator("any_value", Type.INT, Lists.newArrayList(columnRefOperator), fun); | ||
| break; | ||
| case "record_count": | ||
| case "total_data_file_size_in_bytes": | ||
| case "position_delete_record_count": | ||
| case "equality_delete_record_count": | ||
| case "file_count": | ||
| case "position_delete_file_count": | ||
| case "equality_delete_file_count": | ||
| fun = Expr.getBuiltinFunction("sum", argTypes, Function.CompareMode.IS_IDENTICAL); | ||
| agg = new CallOperator("sum", Type.BIGINT, Lists.newArrayList(columnRefOperator), fun); | ||
| break; | ||
| case "last_updated_at": | ||
| fun = Expr.getBuiltinFunction("max", argTypes, Function.CompareMode.IS_IDENTICAL); | ||
| agg = new CallOperator("max", Type.DATETIME, Lists.newArrayList(columnRefOperator), fun); | ||
| break; | ||
| default: | ||
| throw new StarRocksConnectorException("Unknown column name %s when rewriting " + | ||
| "iceberg partitions table", columnName); | ||
| } | ||
|
|
||
| if (agg != null) { | ||
| aggregations.put(columnRefOperator, agg); | ||
| } | ||
| } | ||
|
|
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| LogicalAggregationOperator agg = new LogicalAggregationOperator(AggType.GLOBAL, groupingKeys, aggregations); | ||
| LogicalIcebergMetadataScanOperator newScanOp = new LogicalIcebergMetadataScanOperator( | ||
| operator.getTable(), | ||
| operator.getColRefToColumnMetaMap(), | ||
| operator.getColumnMetaToColRefMap(), | ||
| operator.getLimit(), | ||
| operator.getPredicate()); | ||
| newScanOp.setTransformed(true); | ||
| return Collections.singletonList(OptExpression.create(agg, OptExpression.create(newScanOp))); | ||
| } | ||
| } |
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