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| #!/usr/bin/env bash | ||
| # | ||
| # Copyright 2021-present StarRocks, Inc. All rights reserved. | ||
| # | ||
| # 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. | ||
| # | ||
|
|
||
| set -eo pipefail | ||
|
|
||
| # check maven | ||
| MVN_CMD=mvn | ||
| if [[ ! -z ${CUSTOM_MVN} ]]; then | ||
| MVN_CMD=${CUSTOM_MVN} | ||
| fi | ||
| if ! ${MVN_CMD} --version; then | ||
| echo "Error: mvn is not found" | ||
| exit 1 | ||
| fi | ||
| export MVN_CMD | ||
|
|
||
| SUPPORTED_MINOR_VERSION=("1.15" "1.16" "1.17" "1.18") | ||
| # version formats are different among flink versions | ||
| SUPPORTED_KAFKA_CONNECTOR_VERSION=("1.15.0" "1.16.0" "1.17.0" "3.0.1-1.18") | ||
| VERSION_MESSAGE=$(IFS=, ; echo "${SUPPORTED_MINOR_VERSION[*]}") | ||
|
|
||
| function check_flink_version_supported() { | ||
| local FLINK_MINOR_VERSION=$1 | ||
| if [[ " ${SUPPORTED_MINOR_VERSION[*]} " != *" $FLINK_MINOR_VERSION "* ]]; | ||
| then | ||
| echo "Error: only support flink version: ${VERSION_MESSAGE}" | ||
| exit 1 | ||
| fi | ||
| } | ||
|
|
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| function get_flink_version() { | ||
| local FLINK_MINOR_VERSION=$1 | ||
| echo "${FLINK_MINOR_VERSION}.0" | ||
| } | ||
|
|
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| function get_kafka_connector_version() { | ||
| local FLINK_MINOR_VERSION=$1 | ||
| local index=-1 | ||
| for ((i=0; i<${#SUPPORTED_MINOR_VERSION[@]}; i++)); do | ||
| if [ "${SUPPORTED_MINOR_VERSION[i]}" = "$FLINK_MINOR_VERSION" ]; then | ||
| index=$i | ||
| break | ||
| fi | ||
| done | ||
|
|
||
| if [ "$index" != -1 ]; | ||
| then | ||
| local KAFKA_CONNECTOR_VERSION="${SUPPORTED_KAFKA_CONNECTOR_VERSION[index]}" | ||
| echo $KAFKA_CONNECTOR_VERSION | ||
| else | ||
| echo "Can't find kafka connector version for flink-${FLINK_MINOR_VERSION}" | ||
| exit 1 | ||
| fi | ||
| } |
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139 changes: 139 additions & 0 deletions
139
.../src/main/java/com/starrocks/connector/flink/examples/datastream/WriteMultipleTables.java
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| /* | ||
| * Copyright 2021-present StarRocks, Inc. All rights reserved. | ||
| * | ||
| * 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 com.starrocks.connector.flink.examples.datastream; | ||
|
|
||
| import com.starrocks.connector.flink.table.data.DefaultStarRocksRowData; | ||
| import com.starrocks.connector.flink.table.data.StarRocksRowData; | ||
| import com.starrocks.connector.flink.table.sink.SinkFunctionFactory; | ||
| import com.starrocks.connector.flink.table.sink.StarRocksSinkOptions; | ||
| import com.starrocks.data.load.stream.properties.StreamLoadTableProperties; | ||
| import org.apache.flink.api.java.utils.MultipleParameterTool; | ||
| import org.apache.flink.streaming.api.datastream.DataStream; | ||
| import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; | ||
| import org.apache.flink.streaming.api.functions.sink.SinkFunction; | ||
|
|
||
| /** | ||
| * This example will show how to use one sink to write data to multiple StarRocks tables . | ||
| * Note this example requires connector version >= 1.2.9. | ||
| */ | ||
| public class WriteMultipleTables { | ||
|
|
||
| public static void main(String[] args) throws Exception { | ||
| // To run the example, you should prepare in the following steps | ||
| // | ||
| // 1. create two primary key tables in your StarRocks cluster. The DDL is | ||
| // CREATE DATABASE `test`; | ||
| // CREATE TABLE `test`.`tbl1` | ||
| // ( | ||
| // `id` int(11) NOT NULL COMMENT "", | ||
| // `name` varchar(65533) NULL DEFAULT "" COMMENT "", | ||
| // `score` int(11) DEFAULT "0" COMMENT "" | ||
| // ) | ||
| // ENGINE=OLAP | ||
| // PRIMARY KEY(`id`) | ||
| // COMMENT "OLAP" | ||
| // DISTRIBUTED BY HASH(`id`) | ||
| // PROPERTIES( | ||
| // "replication_num" = "1" | ||
| // ); | ||
| // | ||
| // CREATE TABLE `test`.`tbl2` | ||
| // ( | ||
| // `order_id` BIGINT NOT NULL COMMENT "", | ||
| // `order_state` INT DEFAULT "0" COMMENT "", | ||
| // `total_price` BIGINT DEFAULT "0" COMMENT "" | ||
| // ) | ||
| // ENGINE=OLAP | ||
| // PRIMARY KEY(`order_id`) | ||
| // COMMENT "OLAP" | ||
| // DISTRIBUTED BY HASH(`order_id`) | ||
| // PROPERTIES( | ||
| // "replication_num" = "1" | ||
| // ); | ||
| // | ||
| // 2. replace the connector options with your cluster configurations | ||
| MultipleParameterTool params = MultipleParameterTool.fromArgs(args); | ||
| String jdbcUrl = params.get("jdbcUrl", "jdbc:mysql://127.0.0.1:11903"); | ||
| String loadUrl = params.get("loadUrl", "127.0.0.1:11901"); | ||
| String userName = params.get("userName", "root"); | ||
| String password = params.get("password", ""); | ||
|
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| final StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment(); | ||
|
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| // Generate records for tables `test`.`tbl1` and `test`.`tbl2`. Each record is represented with | ||
| // the structure StarRocksRowData. A StarRocksRowData includes the meta (which db and table) | ||
| // and data. The data is a json-format string whose fields correspond to partial or all columns | ||
| // of the table. | ||
| StarRocksRowData[] records = | ||
| new StarRocksRowData[]{ | ||
| // write full columns of `test`.`tbl1`: `id`, `name` and `score` | ||
| buildRow("test", "tbl1", "{\"id\":1, \"name\":\"starrocks-json\", \"score\":100}"), | ||
| // write partial columns of `test`.`tbl1`: `id`, `name` | ||
| buildRow("test", "tbl1", "{\"id\":2, \"name\":\"flink-json\"}"), | ||
| // write full columns of `test`.`tbl2`: `order_id`, `order_state` and `total_price` | ||
| buildRow("test", "tbl2", "{\"order_id\":1, \"order_state\":1, \"total_price\":100}"), | ||
| // write partial columns of `test`.`tbl2`: `order_id`, `order_state` | ||
| buildRow("test", "tbl2", "{\"order_id\":2, \"order_state\":2}"), | ||
| }; | ||
| DataStream<StarRocksRowData> source = env.fromElements(records); | ||
|
|
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| // Configure the connector with the required properties, and you also need to add properties | ||
| // "sink.properties.format" and "sink.properties.strip_outer_array" to tell the connector the | ||
| // input records are json-format. | ||
| StarRocksSinkOptions options = StarRocksSinkOptions.builder() | ||
| .withProperty("jdbc-url", jdbcUrl) | ||
| .withProperty("load-url", loadUrl) | ||
| .withProperty("database-name", "*") | ||
| .withProperty("table-name", "*") | ||
| .withProperty("username", userName) | ||
| .withProperty("password", password) | ||
| .withProperty("sink.properties.format", "json") | ||
| .withProperty("sink.properties.strip_outer_array", "true") | ||
| .withProperty("sink.properties.ignore_json_size", "true") | ||
| .build(); | ||
|
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| // By default, all tables will use the stream load properties defined when building | ||
| // StarRocksSinkOptions. You can also customize the stream load properties for each | ||
| // table. Here we create custom properties for the table `test`.`tbl2`, and the main | ||
| // difference is that enable partial_update. The table `test`.`tbl2` still use the | ||
| // default properties. | ||
| StreamLoadTableProperties tbl2Properties = StreamLoadTableProperties.builder() | ||
| .database("test") | ||
| .table("tbl2") | ||
| .addProperty("format", "json") | ||
| .addProperty("strip_outer_array", "true") | ||
| .addProperty("ignore_json_size", "true") | ||
| .addProperty("partial_update", "true") | ||
| .addProperty("columns", "`order_id`,`order_state`") | ||
| .build(); | ||
| options.addTableProperties(tbl2Properties); | ||
|
|
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| // Create the sink with the options | ||
| SinkFunction<StarRocksRowData> starRockSink = SinkFunctionFactory.createSinkFunction(options); | ||
| source.addSink(starRockSink); | ||
|
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| env.execute("WriteMultipleTables"); | ||
| } | ||
|
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| private static StarRocksRowData buildRow(String db, String table, String data) { | ||
| return new DefaultStarRocksRowData(null, db, table, data); | ||
| } | ||
| } |
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