siddharthteotia commented on a change in pull request #8340: URL: https://github.com/apache/pinot/pull/8340#discussion_r834863284
########## File path: pinot-query-planner/src/main/java/org/apache/pinot/query/type/TypeFactory.java ########## @@ -0,0 +1,74 @@ +/** + * 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.pinot.query.type; + +import java.util.Map; +import org.apache.calcite.jdbc.JavaTypeFactoryImpl; +import org.apache.calcite.rel.type.RelDataType; +import org.apache.calcite.rel.type.RelDataTypeSystem; +import org.apache.calcite.sql.type.SqlTypeName; +import org.apache.pinot.spi.data.FieldSpec; +import org.apache.pinot.spi.data.Schema; + + +/** + * Extends Java-base TypeFactory from Calcite. + */ +public class TypeFactory extends JavaTypeFactoryImpl { + private final RelDataTypeSystem _typeSystem; + + public TypeFactory(RelDataTypeSystem typeSystem) { + _typeSystem = typeSystem; + } + + public RelDataType createRelDataTypeFromSchema(Schema schema) { + Builder builder = new Builder(this); + for (Map.Entry<String, FieldSpec> e : schema.getFieldSpecMap().entrySet()) { + builder.add(e.getKey(), toRelDataType(e.getValue())); + } + return builder.build(); + } + + private RelDataType toRelDataType(FieldSpec fieldSpec) { + switch (fieldSpec.getDataType()) { + case INT: + return this.createSqlType(SqlTypeName.INTEGER); + case LONG: + return this.createSqlType(SqlTypeName.BIGINT); + case FLOAT: + return this.createSqlType(SqlTypeName.FLOAT); + case DOUBLE: + return this.createSqlType(SqlTypeName.DOUBLE); + case BOOLEAN: + return this.createSqlType(SqlTypeName.BOOLEAN); + case TIMESTAMP: + return this.createSqlType(SqlTypeName.TIMESTAMP); + case STRING: + return this.createSqlType(SqlTypeName.VARCHAR); + case BYTES: + return this.createSqlType(SqlTypeName.VARBINARY); + case JSON: Review comment: TODO is fine for now I guess. We must handle JSON since it's a first class type in Pinot now -- 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: commits-unsubscr...@pinot.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org
