JNSimba commented on code in PR #343: URL: https://github.com/apache/doris-flink-connector/pull/343#discussion_r1591851997
########## flink-doris-connector/src/main/java/org/apache/doris/flink/tools/cdc/mongodb/MongoDBType.java: ########## @@ -0,0 +1,126 @@ +// 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.doris.flink.tools.cdc.mongodb; + +import org.apache.flink.api.java.tuple.Tuple2; + +import com.fasterxml.jackson.databind.JsonNode; +import com.fasterxml.jackson.databind.node.ArrayNode; +import com.fasterxml.jackson.databind.node.BooleanNode; +import com.fasterxml.jackson.databind.node.DecimalNode; +import com.fasterxml.jackson.databind.node.DoubleNode; +import com.fasterxml.jackson.databind.node.IntNode; +import com.fasterxml.jackson.databind.node.LongNode; +import com.fasterxml.jackson.databind.node.ObjectNode; +import com.fasterxml.jackson.databind.node.TextNode; +import org.apache.doris.flink.catalog.doris.DorisType; +import org.apache.doris.flink.exception.DorisRuntimeException; +import org.bson.BsonArray; +import org.bson.types.Decimal128; +import org.bson.types.ObjectId; + +import java.math.BigDecimal; +import java.util.Date; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +public class MongoDBType { + + public static final String DATE_TYPE = "$date"; + public static final String DECIMAL_TYPE = "$numberDecimal"; + public static final String LONG_TYPE = "$numberLong"; + + public static String toDorisType(Object value) { + if (value instanceof Integer) { + return DorisType.INT; + } else if (value instanceof Date) { + return DorisType.DATETIME_V2 + "(3)"; + } else if (value instanceof Long) { + return DorisType.BIGINT; + } else if (value instanceof Double) { + return checkAndRebuildBigDecimal(new BigDecimal(String.valueOf(value))); + } else if (value instanceof Boolean) { + return DorisType.BOOLEAN; + } else if (value instanceof String) { + return DorisType.STRING; + } else if (value instanceof ObjectId) { + return DorisType.VARCHAR + "(30)"; + } else if (value instanceof BsonArray) { + return DorisType.ARRAY; + } else if (value instanceof Decimal128) { + return checkAndRebuildBigDecimal(((Decimal128) value).bigDecimalValue()); + } else { + return DorisType.STRING; + } + } + + public static String jsonNodeToDorisType(JsonNode value) { + if (value instanceof IntNode) { + return DorisType.INT; + } else if (value instanceof TextNode) { + return DorisType.STRING; + } else if (value instanceof LongNode) { + return DorisType.BIGINT; + } else if (value instanceof DoubleNode) { + return DorisType.DOUBLE; + } else if (value instanceof BooleanNode) { + return DorisType.BOOLEAN; + } else if (value instanceof ArrayNode) { + return DorisType.ARRAY; + } else if (value instanceof DecimalNode) { + return checkAndRebuildBigDecimal(value.decimalValue()); + } else if (value instanceof ObjectNode) { + if (value.size() == 1 && value.get(DATE_TYPE) != null) { + return DorisType.DATETIME_V2 + "(3)"; + } else if (value.size() == 1 && value.get(DECIMAL_TYPE) != null) { + return checkAndRebuildBigDecimal(new BigDecimal(value.get(DECIMAL_TYPE).asText())); + } else if (value.size() == 1 && value.get(LONG_TYPE) != null) { + return DorisType.BIGINT; + } else { + return DorisType.STRING; + } + } else { + return DorisType.STRING; + } + } + + public static Tuple2<Integer, Integer> getDecimalPrecisionAndScale(String decimalString) { + // 简化的正则表达式，匹配括号中的两个数字 Review Comment: english comment -- 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...@doris.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@doris.apache.org For additional commands, e-mail: commits-h...@doris.apache.org
