cloud-fan commented on code in PR #53530: URL: https://github.com/apache/spark/pull/53530#discussion_r2646498662
########## sql/core/src/main/scala/org/apache/spark/sql/execution/command/v2/DeclareCursorExec.scala: ########## @@ -0,0 +1,80 @@ +/* + * 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.execution.command.v2 + +import org.apache.spark.sql.AnalysisException +import org.apache.spark.sql.catalyst.{InternalRow, SqlScriptingContextManager} +import org.apache.spark.sql.catalyst.expressions.Attribute +import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan +import org.apache.spark.sql.execution.datasources.v2.LeafV2CommandExec +import org.apache.spark.sql.scripting.CursorDefinition + +/** + * Physical plan node for declaring cursors. + * Creates a cursor definition in the current scope and parses its query from SQL text. + * The query is parsed at declaration time but not analyzed to preserve parameter markers. + * + * @param cursorName Name of the cursor + * @param query Placeholder LogicalPlan (not used at execution) + * @param queryText Original SQL text of the cursor query (used for execution) + * @param asensitive Whether the cursor is ASENSITIVE (currently all cursors are INSENSITIVE) + */ +case class DeclareCursorExec( + cursorName: String, + query: LogicalPlan, Review Comment: again, why do we add this field? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
