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[Feature][Connector-v2] Support schema evolution for Oracle connector
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67
.../main/java/org/apache/seatunnel/connectors/cdc/base/source/parser/SeatunnelDDLParser.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.seatunnel.connectors.cdc.base.source.parser; | ||
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| import org.apache.seatunnel.api.table.catalog.TableIdentifier; | ||
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| import org.apache.commons.lang3.StringUtils; | ||
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| import io.debezium.relational.Column; | ||
| import io.debezium.relational.TableId; | ||
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| public interface SeatunnelDDLParser { | ||
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| /** | ||
| * @param column The column to convert | ||
| * @return The converted column in SeaTunnel format which has full type information | ||
| */ | ||
| default org.apache.seatunnel.api.table.catalog.Column toSeatunnelColumnWithFullTypeInfo( | ||
| Column column) { | ||
| org.apache.seatunnel.api.table.catalog.Column seatunnelColumn = toSeatunnelColumn(column); | ||
| String sourceColumnType = getSourceColumnTypeWithLengthScale(column); | ||
| return seatunnelColumn.reSourceType(sourceColumnType); | ||
| } | ||
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| /** | ||
| * @param column The column to convert | ||
| * @return The converted column in SeaTunnel format | ||
| */ | ||
| org.apache.seatunnel.api.table.catalog.Column toSeatunnelColumn(Column column); | ||
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| /** | ||
| * @param column The column to convert | ||
| * @return The type with length and scale | ||
| */ | ||
| default String getSourceColumnTypeWithLengthScale(Column column) { | ||
| StringBuilder sb = new StringBuilder(column.typeName()); | ||
| if (column.length() >= 0) { | ||
| sb.append('(').append(column.length()); | ||
| if (column.scale().isPresent()) { | ||
| sb.append(", ").append(column.scale().get()); | ||
| } | ||
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| sb.append(')'); | ||
| } | ||
| return sb.toString(); | ||
| } | ||
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| default TableIdentifier toTableIdentifier(TableId tableId) { | ||
| return new TableIdentifier( | ||
| StringUtils.EMPTY, tableId.catalog(), tableId.schema(), tableId.table()); | ||
| } | ||
| } |
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