godfreyhe commented on code in PR #20242: URL: https://github.com/apache/flink/pull/20242#discussion_r923147131
########## flink-table/flink-sql-parser/src/main/java/org/apache/flink/sql/parser/ddl/SqlAnalyzeTable.java: ########## @@ -0,0 +1,137 @@ +/* + * 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.flink.sql.parser.ddl; + +import org.apache.flink.sql.parser.SqlPartitionSpecProperty; + +import org.apache.calcite.sql.SqlCall; +import org.apache.calcite.sql.SqlIdentifier; +import org.apache.calcite.sql.SqlKind; +import org.apache.calcite.sql.SqlLiteral; +import org.apache.calcite.sql.SqlNode; +import org.apache.calcite.sql.SqlNodeList; +import org.apache.calcite.sql.SqlOperator; +import org.apache.calcite.sql.SqlSpecialOperator; +import org.apache.calcite.sql.SqlWriter; +import org.apache.calcite.sql.parser.SqlParserPos; +import org.apache.calcite.util.ImmutableNullableList; +import org.apache.calcite.util.NlsString; + +import javax.annotation.Nonnull; + +import java.util.LinkedHashMap; +import java.util.List; + +import static java.util.Objects.requireNonNull; + +/** ANALYZE TABLE to compute the statistics for a given table. */ +public class SqlAnalyzeTable extends SqlCall { + public static final SqlSpecialOperator OPERATOR = + new SqlSpecialOperator("ANALYZE TABLE", SqlKind.OTHER_DDL); + + private final SqlIdentifier tableName; + private final SqlNodeList partitions; + private final SqlNodeList columns; + private final boolean allColumns; + + public SqlAnalyzeTable( + SqlParserPos pos, + SqlIdentifier tableName, + SqlNodeList partitions, + SqlNodeList columns, + boolean allColumns) { + super(pos); + this.tableName = requireNonNull(tableName, "tableName is null"); + this.partitions = requireNonNull(partitions, "partitions is null"); + this.columns = requireNonNull(columns, "columns is null"); + this.allColumns = allColumns; + } + + public String[] fullTableName() { + return tableName.names.toArray(new String[0]); + } + + /** + * Get partition spec as key-value strings, if only partition key is given, the corresponding + * value is null. + */ + public LinkedHashMap<String, String> getPartitions() { + LinkedHashMap<String, String> ret = new LinkedHashMap<>(); + for (SqlNode node : partitions.getList()) { + SqlPartitionSpecProperty property = (SqlPartitionSpecProperty) node; + final String value; + if (property.getValue() != null) { Review Comment: good catch ########## flink-table/flink-sql-parser/src/main/java/org/apache/flink/sql/parser/ddl/SqlAnalyzeTable.java: ########## @@ -0,0 +1,137 @@ +/* + * 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.flink.sql.parser.ddl; + +import org.apache.flink.sql.parser.SqlPartitionSpecProperty; + +import org.apache.calcite.sql.SqlCall; +import org.apache.calcite.sql.SqlIdentifier; +import org.apache.calcite.sql.SqlKind; +import org.apache.calcite.sql.SqlLiteral; +import org.apache.calcite.sql.SqlNode; +import org.apache.calcite.sql.SqlNodeList; +import org.apache.calcite.sql.SqlOperator; +import org.apache.calcite.sql.SqlSpecialOperator; +import org.apache.calcite.sql.SqlWriter; +import org.apache.calcite.sql.parser.SqlParserPos; +import org.apache.calcite.util.ImmutableNullableList; +import org.apache.calcite.util.NlsString; + +import javax.annotation.Nonnull; + +import java.util.LinkedHashMap; +import java.util.List; + +import static java.util.Objects.requireNonNull; + +/** ANALYZE TABLE to compute the statistics for a given table. */ +public class SqlAnalyzeTable extends SqlCall { + public static final SqlSpecialOperator OPERATOR = + new SqlSpecialOperator("ANALYZE TABLE", SqlKind.OTHER_DDL); + + private final SqlIdentifier tableName; + private final SqlNodeList partitions; + private final SqlNodeList columns; + private final boolean allColumns; + + public SqlAnalyzeTable( + SqlParserPos pos, + SqlIdentifier tableName, + SqlNodeList partitions, + SqlNodeList columns, + boolean allColumns) { + super(pos); + this.tableName = requireNonNull(tableName, "tableName is null"); + this.partitions = requireNonNull(partitions, "partitions is null"); + this.columns = requireNonNull(columns, "columns is null"); + this.allColumns = allColumns; + } + + public String[] fullTableName() { + return tableName.names.toArray(new String[0]); + } + + /** + * Get partition spec as key-value strings, if only partition key is given, the corresponding + * value is null. + */ + public LinkedHashMap<String, String> getPartitions() { + LinkedHashMap<String, String> ret = new LinkedHashMap<>(); + for (SqlNode node : partitions.getList()) { + SqlPartitionSpecProperty property = (SqlPartitionSpecProperty) node; + final String value; + if (property.getValue() != null) { + value = null; + } else { + Comparable<?> comparable = SqlLiteral.value(property.getValue()); + value = + comparable instanceof NlsString + ? ((NlsString) comparable).getValue() + : comparable.toString(); + } + + ret.put(property.getKey().getSimple(), value); + } + return ret; + } + + public String[] getColumnNames() { Review Comment: I think array is ok -- 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]
