| /* |
| * 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.drill.exec.planner.sql; |
| |
| import org.apache.calcite.avatica.util.Casing; |
| import org.apache.calcite.avatica.util.Quoting; |
| import org.apache.calcite.sql.parser.SqlParser; |
| import org.apache.calcite.sql.parser.SqlParserImplFactory; |
| import org.apache.calcite.sql.validate.SqlConformance; |
| import org.apache.drill.exec.planner.physical.PlannerSettings; |
| import org.apache.drill.exec.planner.sql.parser.impl.DrillParserWithCompoundIdConverter; |
| |
| public class DrillParserConfig implements SqlParser.Config { |
| |
| private final long identifierMaxLength; |
| private final Quoting quotingIdentifiers; |
| public final static SqlConformance DRILL_CONFORMANCE = new DrillConformance(); |
| |
| public DrillParserConfig(PlannerSettings settings) { |
| identifierMaxLength = settings.getIdentifierMaxLength(); |
| quotingIdentifiers = settings.getQuotingIdentifiers(); |
| } |
| |
| @Override |
| public int identifierMaxLength() { |
| return (int) identifierMaxLength; |
| } |
| |
| @Override |
| public Casing quotedCasing() { |
| return Casing.UNCHANGED; |
| } |
| |
| @Override |
| public Casing unquotedCasing() { |
| return Casing.UNCHANGED; |
| } |
| |
| @Override |
| public Quoting quoting() { |
| return quotingIdentifiers; |
| } |
| |
| @Override |
| public boolean caseSensitive() { |
| return false; |
| } |
| |
| @Override |
| public SqlConformance conformance() { |
| return DRILL_CONFORMANCE; |
| } |
| |
| @Override |
| public boolean allowBangEqual() { |
| return conformance().isBangEqualAllowed(); |
| } |
| |
| @Override |
| public SqlParserImplFactory parserFactory() { |
| return DrillParserWithCompoundIdConverter.FACTORY; |
| } |
| |
| } |