eskabetxe commented on code in PR #33: URL: https://github.com/apache/flink-connector-jdbc/pull/33#discussion_r1177531154
########## flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/dialect/vertica/VerticaDialect.java: ########## @@ -0,0 +1,109 @@ +/* + * 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.connector.jdbc.dialect.vertica; + +import org.apache.flink.connector.jdbc.converter.JdbcRowConverter; +import org.apache.flink.connector.jdbc.dialect.AbstractDialect; +import org.apache.flink.connector.jdbc.internal.converter.VerticaRowConverter; +import org.apache.flink.table.types.logical.LogicalTypeRoot; +import org.apache.flink.table.types.logical.RowType; + +import java.util.EnumSet; +import java.util.Optional; +import java.util.Set; + +/** JDBC dialect for Vertica. */ +public class VerticaDialect extends AbstractDialect { + + private static final long serialVersionUID = 1L; + + // Define MAX/MIN precision of TIMESTAMP type according to Vertica docs: + // https://www.vertica.com/docs/12.0.x/HTML/Content/Authoring/SQLReferenceManual/DataTypes/Date-Time/DateTimeDataTypes.htm + private static final int MAX_TIMESTAMP_PRECISION = 6; + private static final int MIN_TIMESTAMP_PRECISION = 0; + + // Define MAX/MIN precision of DECIMAL type according to Vertica docs: + // https://www.vertica.com/docs/12.0.x/HTML/Content/Authoring/SQLReferenceManual/DataTypes/Numeric/NUMERIC.htm + private static final int MAX_DECIMAL_PRECISION = 1024; + private static final int MIN_DECIMAL_PRECISION = 1; + + @Override + public Set<LogicalTypeRoot> supportedTypes() { + // List of Vertica data types: + // https://www.vertica.com/docs/12.0.x/HTML/Content/Authoring/SQLReferenceManual/DataTypes/SQLDataTypes.htm + // https://www.vertica.com/docs/12.0.x/HTML/Content/Authoring/ConnectingToVertica/ClientJDBC/JDBCDataTypes.htm + + return EnumSet.of( + LogicalTypeRoot.BINARY, + LogicalTypeRoot.VARBINARY, + LogicalTypeRoot.BOOLEAN, + LogicalTypeRoot.CHAR, + LogicalTypeRoot.VARCHAR, + LogicalTypeRoot.DATE, + LogicalTypeRoot.TIME_WITHOUT_TIME_ZONE, + LogicalTypeRoot.TIMESTAMP_WITH_TIME_ZONE, + LogicalTypeRoot.TIMESTAMP_WITHOUT_TIME_ZONE, + LogicalTypeRoot.DOUBLE, + LogicalTypeRoot.DECIMAL, + LogicalTypeRoot.BIGINT, + LogicalTypeRoot.ARRAY); + } + + @Override + public String dialectName() { + return "Vertica"; + } + + @Override + public JdbcRowConverter getRowConverter(RowType rowType) { + return new VerticaRowConverter(rowType); + } + + @Override + public String getLimitClause(long limit) { + return "LIMIT " + limit; + } + + @Override + public Optional<String> defaultDriverName() { + return Optional.of("com.vertica.jdbc.Driver"); + } + + @Override + public String quoteIdentifier(String identifier) { + return "\"" + identifier + "\""; + } + + @Override + public Optional<Range> decimalPrecisionRange() { + return Optional.of(Range.of(MIN_DECIMAL_PRECISION, MAX_DECIMAL_PRECISION)); + } + + @Override + public Optional<Range> timestampPrecisionRange() { + return Optional.of(Range.of(MIN_TIMESTAMP_PRECISION, MAX_TIMESTAMP_PRECISION)); + } + + @Override + public Optional<String> getUpsertStatement( + String tableName, String[] fieldNames, String[] uniqueKeyFields) { + throw new UnsupportedOperationException( Review Comment: we could use a MERGE no? https://www.vertica.com/docs/9.2.x/HTML/Content/Authoring/SQLReferenceManual/Statements/MERGE.htm see OracleDialect for example.. ########## docs/content.zh/docs/connectors/table/jdbc.md: ########## @@ -663,20 +668,22 @@ Flink 支持连接到多个使用方言(dialect)的数据库,如 MySQL、O <code>BIGINT</code><br> <code>BIGSERIAL</code></td> <td><code>BIGINT</code></td> + <td> + <code>INTEGER</code><br> + <code>INT</code><br> + <code>BIGINT</code><br> + <code>INT8</code><br> + <code>SMALLINT</code><br> + <code>TINYINT</code></td> <td><code>BIGINT</code></td> </tr> <tr> <td><code>BIGINT UNSIGNED</code></td> <td></td> <td></td> <td></td> - <td><code>DECIMAL(20, 0)</code></td> Review Comment: Why we are removing this? ########## flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/databases/vertica/VerticaDatabase.java: ########## @@ -0,0 +1,56 @@ +/* + * 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.connector.jdbc.databases.vertica; + +import org.apache.flink.connector.jdbc.databases.DatabaseMetadata; +import org.apache.flink.connector.jdbc.databases.DatabaseTest; + +import org.testcontainers.containers.GenericContainer; +import org.testcontainers.junit.jupiter.Container; +import org.testcontainers.junit.jupiter.Testcontainers; +import org.testcontainers.utility.DockerImageName; + +import java.sql.Connection; +import java.sql.DriverManager; +import java.sql.SQLException; + +/** A Vertica database for testing. */ +@Testcontainers +public interface VerticaDatabase extends DatabaseTest { + + DockerImageName VERTICA_CE = DockerImageName.parse("vertica/vertica-ce"); + + @Container + GenericContainer<?> CONTAINER = new GenericContainer<>(VERTICA_CE).withExposedPorts(5433); + + @Override + default DatabaseMetadata getMetadata() { + return new VerticaMetadata(CONTAINER); + } + + static Connection getConnection() throws SQLException, ClassNotFoundException { Review Comment: DatabaseMetadata already have a getConnection, is really needed this? -- This is an automated message from the Apache Git Service. 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