| /* |
| * 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.iceberg.jdbc; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.Set; |
| import org.apache.iceberg.catalog.Namespace; |
| import org.apache.iceberg.catalog.TableIdentifier; |
| import org.apache.iceberg.relocated.com.google.common.base.Joiner; |
| import org.apache.iceberg.relocated.com.google.common.base.Preconditions; |
| import org.apache.iceberg.relocated.com.google.common.base.Splitter; |
| import org.apache.iceberg.relocated.com.google.common.collect.Iterables; |
| |
| final class JdbcUtil { |
| // Catalog Table |
| static final String CATALOG_TABLE_NAME = "iceberg_tables"; |
| static final String CATALOG_NAME = "catalog_name"; |
| static final String TABLE_NAMESPACE = "table_namespace"; |
| static final String TABLE_NAME = "table_name"; |
| static final String METADATA_LOCATION = "metadata_location"; |
| static final String PREVIOUS_METADATA_LOCATION = "previous_metadata_location"; |
| |
| static final String DO_COMMIT_SQL = |
| "UPDATE " |
| + CATALOG_TABLE_NAME |
| + " SET " |
| + METADATA_LOCATION |
| + " = ? , " |
| + PREVIOUS_METADATA_LOCATION |
| + " = ? " |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + TABLE_NAMESPACE |
| + " = ? AND " |
| + TABLE_NAME |
| + " = ? AND " |
| + METADATA_LOCATION |
| + " = ?"; |
| static final String CREATE_CATALOG_TABLE = |
| "CREATE TABLE " |
| + CATALOG_TABLE_NAME |
| + "(" |
| + CATALOG_NAME |
| + " VARCHAR(255) NOT NULL," |
| + TABLE_NAMESPACE |
| + " VARCHAR(255) NOT NULL," |
| + TABLE_NAME |
| + " VARCHAR(255) NOT NULL," |
| + METADATA_LOCATION |
| + " VARCHAR(5500)," |
| + PREVIOUS_METADATA_LOCATION |
| + " VARCHAR(5500)," |
| + "PRIMARY KEY (" |
| + CATALOG_NAME |
| + ", " |
| + TABLE_NAMESPACE |
| + ", " |
| + TABLE_NAME |
| + ")" |
| + ")"; |
| static final String GET_TABLE_SQL = |
| "SELECT * FROM " |
| + CATALOG_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + TABLE_NAMESPACE |
| + " = ? AND " |
| + TABLE_NAME |
| + " = ? "; |
| static final String LIST_TABLES_SQL = |
| "SELECT * FROM " |
| + CATALOG_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + TABLE_NAMESPACE |
| + " = ?"; |
| static final String RENAME_TABLE_SQL = |
| "UPDATE " |
| + CATALOG_TABLE_NAME |
| + " SET " |
| + TABLE_NAMESPACE |
| + " = ? , " |
| + TABLE_NAME |
| + " = ? " |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + TABLE_NAMESPACE |
| + " = ? AND " |
| + TABLE_NAME |
| + " = ? "; |
| static final String DROP_TABLE_SQL = |
| "DELETE FROM " |
| + CATALOG_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + TABLE_NAMESPACE |
| + " = ? AND " |
| + TABLE_NAME |
| + " = ? "; |
| static final String GET_NAMESPACE_SQL = |
| "SELECT " |
| + TABLE_NAMESPACE |
| + " FROM " |
| + CATALOG_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + TABLE_NAMESPACE |
| + " LIKE ? LIMIT 1"; |
| static final String LIST_NAMESPACES_SQL = |
| "SELECT DISTINCT " |
| + TABLE_NAMESPACE |
| + " FROM " |
| + CATALOG_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + TABLE_NAMESPACE |
| + " LIKE ?"; |
| static final String LIST_ALL_TABLE_NAMESPACES_SQL = |
| "SELECT DISTINCT " |
| + TABLE_NAMESPACE |
| + " FROM " |
| + CATALOG_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ?"; |
| static final String DO_COMMIT_CREATE_TABLE_SQL = |
| "INSERT INTO " |
| + CATALOG_TABLE_NAME |
| + " (" |
| + CATALOG_NAME |
| + ", " |
| + TABLE_NAMESPACE |
| + ", " |
| + TABLE_NAME |
| + ", " |
| + METADATA_LOCATION |
| + ", " |
| + PREVIOUS_METADATA_LOCATION |
| + ") " |
| + " VALUES (?,?,?,?,null)"; |
| |
| // Catalog Namespace Properties |
| static final String NAMESPACE_PROPERTIES_TABLE_NAME = "iceberg_namespace_properties"; |
| static final String NAMESPACE_NAME = "namespace"; |
| static final String NAMESPACE_PROPERTY_KEY = "property_key"; |
| static final String NAMESPACE_PROPERTY_VALUE = "property_value"; |
| |
| static final String CREATE_NAMESPACE_PROPERTIES_TABLE = |
| "CREATE TABLE " |
| + NAMESPACE_PROPERTIES_TABLE_NAME |
| + "(" |
| + CATALOG_NAME |
| + " VARCHAR(255) NOT NULL," |
| + NAMESPACE_NAME |
| + " VARCHAR(255) NOT NULL," |
| + NAMESPACE_PROPERTY_KEY |
| + " VARCHAR(5500)," |
| + NAMESPACE_PROPERTY_VALUE |
| + " VARCHAR(5500)," |
| + "PRIMARY KEY (" |
| + CATALOG_NAME |
| + ", " |
| + NAMESPACE_NAME |
| + ", " |
| + NAMESPACE_PROPERTY_KEY |
| + ")" |
| + ")"; |
| static final String GET_NAMESPACE_PROPERTIES_SQL = |
| "SELECT " |
| + NAMESPACE_NAME |
| + " FROM " |
| + NAMESPACE_PROPERTIES_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + NAMESPACE_NAME |
| + " LIKE ? LIMIT 1"; |
| static final String INSERT_NAMESPACE_PROPERTIES_SQL = |
| "INSERT INTO " |
| + NAMESPACE_PROPERTIES_TABLE_NAME |
| + " (" |
| + CATALOG_NAME |
| + ", " |
| + NAMESPACE_NAME |
| + ", " |
| + NAMESPACE_PROPERTY_KEY |
| + ", " |
| + NAMESPACE_PROPERTY_VALUE |
| + ") VALUES "; |
| static final String INSERT_PROPERTIES_VALUES_BASE = "(?,?,?,?)"; |
| static final String GET_ALL_NAMESPACE_PROPERTIES_SQL = |
| "SELECT * " |
| + " FROM " |
| + NAMESPACE_PROPERTIES_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + NAMESPACE_NAME |
| + " = ? "; |
| static final String DELETE_NAMESPACE_PROPERTIES_SQL = |
| "DELETE FROM " |
| + NAMESPACE_PROPERTIES_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + NAMESPACE_NAME |
| + " = ? AND " |
| + NAMESPACE_PROPERTY_KEY |
| + " IN "; |
| static final String DELETE_ALL_NAMESPACE_PROPERTIES_SQL = |
| "DELETE FROM " |
| + NAMESPACE_PROPERTIES_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + NAMESPACE_NAME |
| + " = ?"; |
| static final String LIST_PROPERTY_NAMESPACES_SQL = |
| "SELECT DISTINCT " |
| + NAMESPACE_NAME |
| + " FROM " |
| + NAMESPACE_PROPERTIES_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + NAMESPACE_NAME |
| + " LIKE ?"; |
| static final String LIST_ALL_PROPERTY_NAMESPACES_SQL = |
| "SELECT DISTINCT " |
| + NAMESPACE_NAME |
| + " FROM " |
| + NAMESPACE_PROPERTIES_TABLE_NAME |
| + " WHERE " |
| + CATALOG_NAME |
| + " = ?"; |
| |
| // Utilities |
| private static final Joiner JOINER_DOT = Joiner.on('.'); |
| private static final Splitter SPLITTER_DOT = Splitter.on('.'); |
| |
| private JdbcUtil() {} |
| |
| public static Namespace stringToNamespace(String namespace) { |
| Preconditions.checkArgument(namespace != null, "Invalid namespace %s", namespace); |
| return Namespace.of(Iterables.toArray(SPLITTER_DOT.split(namespace), String.class)); |
| } |
| |
| public static String namespaceToString(Namespace namespace) { |
| return JOINER_DOT.join(namespace.levels()); |
| } |
| |
| public static TableIdentifier stringToTableIdentifier(String tableNamespace, String tableName) { |
| return TableIdentifier.of(JdbcUtil.stringToNamespace(tableNamespace), tableName); |
| } |
| |
| public static Properties filterAndRemovePrefix(Map<String, String> properties, String prefix) { |
| Properties result = new Properties(); |
| properties.forEach( |
| (key, value) -> { |
| if (key.startsWith(prefix)) { |
| result.put(key.substring(prefix.length()), value); |
| } |
| }); |
| |
| return result; |
| } |
| |
| public static String updatePropertiesStatement(int size) { |
| StringBuilder sqlStatement = |
| new StringBuilder( |
| "UPDATE " |
| + NAMESPACE_PROPERTIES_TABLE_NAME |
| + " SET " |
| + NAMESPACE_PROPERTY_VALUE |
| + " = CASE"); |
| for (int i = 0; i < size; i += 1) { |
| sqlStatement.append(" WHEN " + NAMESPACE_PROPERTY_KEY + " = ? THEN ?"); |
| } |
| sqlStatement.append( |
| " END WHERE " |
| + CATALOG_NAME |
| + " = ? AND " |
| + NAMESPACE_NAME |
| + " = ? AND " |
| + NAMESPACE_PROPERTY_KEY |
| + " IN "); |
| |
| String values = String.join(",", Collections.nCopies(size, String.valueOf('?'))); |
| sqlStatement.append("(").append(values).append(")"); |
| |
| return sqlStatement.toString(); |
| } |
| |
| public static String insertPropertiesStatement(int size) { |
| StringBuilder sqlStatement = new StringBuilder(JdbcUtil.INSERT_NAMESPACE_PROPERTIES_SQL); |
| |
| for (int i = 0; i < size; i++) { |
| if (i != 0) { |
| sqlStatement.append(", "); |
| } |
| sqlStatement.append(JdbcUtil.INSERT_PROPERTIES_VALUES_BASE); |
| } |
| |
| return sqlStatement.toString(); |
| } |
| |
| public static String deletePropertiesStatement(Set<String> properties) { |
| StringBuilder sqlStatement = new StringBuilder(JdbcUtil.DELETE_NAMESPACE_PROPERTIES_SQL); |
| String values = String.join(",", Collections.nCopies(properties.size(), String.valueOf('?'))); |
| sqlStatement.append("(").append(values).append(")"); |
| |
| return sqlStatement.toString(); |
| } |
| } |
