srielau commented on code in PR #53530: URL: https://github.com/apache/spark/pull/53530#discussion_r2690985543
########## sql/core/src/main/scala/org/apache/spark/sql/execution/command/v2/DeclareCursorExec.scala: ########## @@ -0,0 +1,75 @@ +/* + * 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 +import org.apache.spark.sql.catalyst.expressions.{Attribute, CursorDefinition} +import org.apache.spark.sql.execution.datasources.v2.LeafV2CommandExec +import org.apache.spark.sql.scripting.CursorDeclared + +/** + * Physical plan node for declaring cursors. + * + * Creates a cursor definition and initializes it in the Declared state. + * The cursor query is stored as SQL text and is not parsed or analyzed until OPEN time. + * This allows parameter markers to be preserved and bound correctly at OPEN. + * + * @param cursorName Name of the cursor + * @param queryText Original SQL text of the cursor query (with parameter markers preserved) + * @param asensitive Whether the cursor is ASENSITIVE (sensitivity to underlying data changes, + * not case sensitivity). Currently all cursors are effectively INSENSITIVE. + */ +case class DeclareCursorExec( + cursorName: String, + queryText: String, + asensitive: Boolean) extends LeafV2CommandExec { + + override protected def run(): Seq[InternalRow] = { + val scriptingContext = CursorCommandUtils.getScriptingContext(cursorName) + val currentScope = scriptingContext.currentScope + + // Normalize cursor name based on case sensitivity configuration Review Comment: Already addressed -- 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]
