cloud-fan commented on code in PR #52334: URL: https://github.com/apache/spark/pull/52334#discussion_r2435993902
########## sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/SubstituteParamsParser.scala: ########## @@ -0,0 +1,215 @@ +/* + * 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 + +import org.antlr.v4.runtime.{CharStreams, CommonTokenStream} + +import org.apache.spark.internal.Logging +import org.apache.spark.sql.AnalysisException +import org.apache.spark.sql.catalyst.expressions.Literal +import org.apache.spark.sql.catalyst.trees.SQLQueryContext +import org.apache.spark.sql.errors.QueryCompilationErrors +import org.apache.spark.sql.internal.SQLConf + +/** + * Parameter expectation types. + */ +object ParameterExpectation extends Enumeration { + val Named, Positional, Unknown = Value +} + +/** + * A parameter substitution parser that replaces parameter markers in SQL text with their values. + * This parser finds parameter markers and substitutes them with provided values to produce + * a modified SQL string ready for execution. + */ +class SubstituteParamsParser extends Logging { + + /** + * Substitute parameter markers in SQL text with provided values. + * Always uses compoundOrSingleStatement parsing which can handle all SQL constructs. + * + * @param sqlText The original SQL text containing parameter markers + * @param namedParams Map of named parameter values (paramName -> value) + * @param positionalParams List of positional parameter values in order + * @return A tuple of (modified SQL string with parameters substituted, + * number of consumed positional parameters) + */ + def substitute( + sqlText: String, + namedParams: Map[String, String] = Map.empty, + positionalParams: List[String] = List.empty, + expectationType: ParameterExpectation.Value = ParameterExpectation.Unknown, + allParametersAreNamed: Boolean = true, + originalArgs: Seq[Any] = Seq.empty, + originalParamNames: Seq[String] = Seq.empty): + (String, Int, PositionMapper) = { Review Comment: ```suggestion originalParamNames: Seq[String] = Seq.empty): (String, Int, PositionMapper) = { ``` -- 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]
