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Spark: add spark extension for identifier fields #2560
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34 changes: 34 additions & 0 deletions
34
...ons/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/DropIdentifierFields.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.spark.sql.catalyst.plans.logical | ||
|
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| import org.apache.spark.sql.catalyst.expressions.Attribute | ||
|
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| case class DropIdentifierFields( | ||
| table: Seq[String], | ||
| fields: Seq[String]) extends Command { | ||
| import org.apache.spark.sql.connector.catalog.CatalogV2Implicits._ | ||
|
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| override lazy val output: Seq[Attribute] = Nil | ||
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| override def simpleString(maxFields: Int): String = { | ||
| s"DropIdentifierFields ${table.quoted} (${fields.quoted})" | ||
| } | ||
| } |
35 changes: 35 additions & 0 deletions
35
...ions/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/SetIdentifierFields.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.spark.sql.catalyst.plans.logical | ||
|
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| import org.apache.spark.sql.catalyst.expressions.Attribute | ||
| import org.apache.spark.sql.connector.expressions.Transform | ||
|
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| case class SetIdentifierFields( | ||
| table: Seq[String], | ||
| fields: Seq[String]) extends Command { | ||
| import org.apache.spark.sql.connector.catalog.CatalogV2Implicits._ | ||
|
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| override lazy val output: Seq[Attribute] = Nil | ||
|
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| override def simpleString(maxFields: Int): String = { | ||
| s"SetIdentifierFields ${table.quoted} (${fields.quoted})" | ||
| } | ||
| } |
65 changes: 65 additions & 0 deletions
65
...c/main/scala/org/apache/spark/sql/execution/datasources/v2/DropIdentifierFieldsExec.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.spark.sql.execution.datasources.v2 | ||
|
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| import org.apache.iceberg.relocated.com.google.common.base.Preconditions | ||
| import org.apache.iceberg.relocated.com.google.common.collect.Sets | ||
| import org.apache.iceberg.spark.source.SparkTable | ||
| import org.apache.spark.sql.catalyst.InternalRow | ||
| import org.apache.spark.sql.catalyst.expressions.Attribute | ||
| import org.apache.spark.sql.connector.catalog.Identifier | ||
| import org.apache.spark.sql.connector.catalog.TableCatalog | ||
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| case class DropIdentifierFieldsExec( | ||
| catalog: TableCatalog, | ||
| ident: Identifier, | ||
| fields: Seq[String]) extends V2CommandExec { | ||
| import org.apache.spark.sql.connector.catalog.CatalogV2Implicits._ | ||
|
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| override lazy val output: Seq[Attribute] = Nil | ||
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| override protected def run(): Seq[InternalRow] = { | ||
| catalog.loadTable(ident) match { | ||
| case iceberg: SparkTable => | ||
| val schema = iceberg.table.schema | ||
| val identifierFieldNames = Sets.newHashSet(schema.identifierFieldNames) | ||
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| for (name <- fields) { | ||
| Preconditions.checkArgument(schema.findField(name) != null, | ||
| "Cannot complete drop identifier fields operation: field %s not found", name) | ||
| Preconditions.checkArgument(identifierFieldNames.contains(name), | ||
| "Cannot complete drop identifier fields operation: %s is not an identifier field", name) | ||
| identifierFieldNames.remove(name) | ||
| } | ||
|
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| iceberg.table.updateSchema() | ||
| .setIdentifierFields(identifierFieldNames) | ||
| .commit(); | ||
| case table => | ||
| throw new UnsupportedOperationException(s"Cannot drop identifier fields in non-Iceberg table: $table") | ||
| } | ||
|
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| Nil | ||
| } | ||
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| override def simpleString(maxFields: Int): String = { | ||
| s"DropIdentifierFields ${catalog.name}.${ident.quoted} (${fields.quoted})"; | ||
| } | ||
| } | ||
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52 changes: 52 additions & 0 deletions
52
...rc/main/scala/org/apache/spark/sql/execution/datasources/v2/SetIdentifierFieldsExec.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
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| package org.apache.spark.sql.execution.datasources.v2 | ||
|
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| import org.apache.iceberg.spark.source.SparkTable | ||
| import org.apache.spark.sql.catalyst.InternalRow | ||
| import org.apache.spark.sql.catalyst.expressions.Attribute | ||
| import org.apache.spark.sql.connector.catalog.Identifier | ||
| import org.apache.spark.sql.connector.catalog.TableCatalog | ||
|
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| case class SetIdentifierFieldsExec( | ||
| catalog: TableCatalog, | ||
| ident: Identifier, | ||
| fields: Seq[String]) extends V2CommandExec { | ||
| import org.apache.spark.sql.connector.catalog.CatalogV2Implicits._ | ||
|
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| override lazy val output: Seq[Attribute] = Nil | ||
|
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| override protected def run(): Seq[InternalRow] = { | ||
| catalog.loadTable(ident) match { | ||
| case iceberg: SparkTable => | ||
| iceberg.table.updateSchema() | ||
| .setIdentifierFields(scala.collection.JavaConverters.seqAsJavaList(fields)) | ||
| .commit(); | ||
| case table => | ||
| throw new UnsupportedOperationException(s"Cannot set identifier fields in non-Iceberg table: $table") | ||
| } | ||
|
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| Nil | ||
| } | ||
|
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| override def simpleString(maxFields: Int): String = { | ||
| s"SetIdentifierFields ${catalog.name}.${ident.quoted} (${fields.quoted})"; | ||
| } | ||
| } |
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Nit: you can omit "complete" and "operation" to be more concise. "Cannot drop identifier field: %s (not found)" says basically the same thing.