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155
...k-3-5/src/main/scala/org/apache/spark/sql/catalyst/parser/ReplaceIcebergTableParser.scala
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| /* | ||
| * 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. | ||
| */ | ||
| package org.apache.spark.sql.catalyst.parser | ||
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| import org.apache.spark.internal.Logging | ||
| import org.apache.spark.sql.SparkSession | ||
| import org.apache.spark.sql.catalyst.{FunctionIdentifier, SQLConfHelper, TableIdentifier} | ||
| import org.apache.spark.sql.catalyst.analysis.{UnresolvedIdentifier, UnresolvedRelation, UnresolvedTableOrView} | ||
| import org.apache.spark.sql.catalyst.expressions.Expression | ||
| import org.apache.spark.sql.catalyst.parser.ReplaceIcebergTableParser.ICEBERG_CATALOG | ||
| import org.apache.spark.sql.catalyst.plans.logical.{CreateTable, CreateTableAsSelect, CreateView, InsertIntoStatement, LogicalPlan, MergeIntoTable, SubqueryAlias, UnresolvedWith} | ||
| import org.apache.spark.sql.connector.catalog.{CatalogManager, CatalogNotFoundException, LookupCatalog, TableCatalog} | ||
| import org.apache.spark.sql.types.{DataType, StructType} | ||
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| import org.apache.kyuubi.sql.KyuubiSQLConf.ICEBERG_TABLE_IMPLICIT_CONVERSION | ||
|
|
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| class ReplaceIcebergTableParser(sparkSession: SparkSession, delegate: ParserInterface) | ||
| extends ParserInterface with LookupCatalog with SQLConfHelper with Logging { | ||
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| /** Creates LogicalPlan for a given SQL string. */ | ||
| override def parsePlan(sqlText: String): LogicalPlan = { | ||
| val oldPlan = delegate.parsePlan(sqlText) | ||
| if (conf.getConf(ICEBERG_TABLE_IMPLICIT_CONVERSION)) { | ||
| val newPlan = resolvePlan(oldPlan) | ||
| newPlan | ||
| } else { | ||
| oldPlan | ||
| } | ||
| } | ||
|
|
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| private def resolvePlan(plan: LogicalPlan): LogicalPlan = { | ||
| plan resolveOperators { | ||
| // insert into/overwrite | ||
| case i @ InsertIntoStatement(tableIdent: UnresolvedRelation, _, _, _, _, _, _) => | ||
| i.copy(table = tableIdent | ||
| .copy(multipartIdentifier = replaceIcebergTable(tableIdent.multipartIdentifier))) | ||
| // CTE | ||
| case i @ UnresolvedWith(_, cteRelations) => | ||
| i.copy(cteRelations = | ||
| cteRelations.map(r => (r._1, resolvePlan(r._2).asInstanceOf[SubqueryAlias]))) | ||
| // unresolved table | ||
| case i @ UnresolvedRelation(multipartIdentifier, _, _) => | ||
| i.copy(multipartIdentifier = replaceIcebergTable(multipartIdentifier)) | ||
| case i @ UnresolvedTableOrView(multipartIdentifier, _, _) => | ||
| i.copy(multipartIdentifier = replaceIcebergTable(multipartIdentifier)) | ||
| // create table | ||
| case i @ CreateTable(UnresolvedIdentifier(nameParts, false), _, _, tableSpec, _) | ||
| if tableSpec.provider.isDefined && tableSpec.provider.get.toLowerCase.equals( | ||
| "iceberg") => | ||
| val newNameParts = nameParts match { | ||
| case Seq(table) => Seq(ICEBERG_CATALOG, catalogManager.currentNamespace.last, table) | ||
| case Seq(db, table) => Seq(ICEBERG_CATALOG, db, table) | ||
| case _ => nameParts | ||
| } | ||
| i.copy(name = UnresolvedIdentifier(newNameParts)) | ||
| case i @ CreateTableAsSelect( | ||
| UnresolvedIdentifier(nameParts, false), | ||
| _, | ||
| _, | ||
| tableSpec, | ||
| _, | ||
| _, | ||
| _) | ||
| if tableSpec.provider.isDefined && tableSpec.provider.get.toLowerCase.equals( | ||
| "iceberg") => | ||
| val newNameParts = nameParts match { | ||
| case Seq(table) => Seq(ICEBERG_CATALOG, catalogManager.currentNamespace.last, table) | ||
| case Seq(db, table) => Seq(ICEBERG_CATALOG, db, table) | ||
| case _ => nameParts | ||
| } | ||
| i.copy(name = UnresolvedIdentifier(newNameParts)) | ||
| case i @ CreateView(_, _, _, _, _, query, _, _) => | ||
| i.copy(query = resolvePlan(query)) | ||
| // merge into | ||
| case i @ MergeIntoTable(targetTable, sourceTable, _, _, _, _) => | ||
| i.copy(targetTable = resolvePlan(targetTable), sourceTable = resolvePlan(sourceTable)) | ||
| } | ||
| } | ||
|
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| override protected lazy val catalogManager: CatalogManager = | ||
| sparkSession.sessionState.catalogManager | ||
|
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| private def replaceIcebergTable(multipartIdentifier: Seq[String]): Seq[String] = { | ||
| multipartIdentifier match { | ||
| case SessionCatalogAndIdentifier(_, ident) => | ||
| try { | ||
| val isIcebergTable = catalogManager.catalog(ICEBERG_CATALOG) match { | ||
| case tableCatalog: TableCatalog => | ||
| tableCatalog.tableExists(ident) | ||
| case _ => false | ||
| } | ||
| if (isIcebergTable) { | ||
| val newIdentifier = Seq(ICEBERG_CATALOG, ident.namespace().head, ident.name()) | ||
| logInfo(s"replace iceberg table identifier, origin: $multipartIdentifier, " + | ||
| s"replaced: $newIdentifier") | ||
| newIdentifier | ||
| } else { | ||
| multipartIdentifier | ||
| } | ||
| } catch { | ||
| case _: CatalogNotFoundException => | ||
| multipartIdentifier | ||
| } | ||
| case _ => multipartIdentifier | ||
| } | ||
| } | ||
|
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| override def parseExpression(sqlText: String): Expression = | ||
| delegate.parseExpression(sqlText) | ||
|
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| override def parseTableIdentifier(sqlText: String): TableIdentifier = | ||
| delegate.parseTableIdentifier(sqlText) | ||
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| override def parseFunctionIdentifier(sqlText: String): FunctionIdentifier = | ||
| delegate.parseFunctionIdentifier(sqlText) | ||
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| override def parseMultipartIdentifier(sqlText: String): Seq[String] = | ||
| delegate.parseMultipartIdentifier(sqlText) | ||
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| override def parseTableSchema(sqlText: String): StructType = | ||
| delegate.parseTableSchema(sqlText) | ||
|
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| override def parseDataType(sqlText: String): DataType = | ||
| delegate.parseDataType(sqlText) | ||
|
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| override def parseQuery(sqlText: String): LogicalPlan = { | ||
| val oldPlan = delegate.parseQuery(sqlText) | ||
| if (conf.getConf(ICEBERG_TABLE_IMPLICIT_CONVERSION)) { | ||
| val newPlan = resolvePlan(oldPlan) | ||
| newPlan | ||
| } else { | ||
| oldPlan | ||
| } | ||
| } | ||
| } | ||
|
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| object ReplaceIcebergTableParser { | ||
|
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| val ICEBERG_CATALOG = "iceberg_catalog" | ||
|
|
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| } |
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