Package com.alibaba.otter.canal.protocol.CanalEntry

Examples of com.alibaba.otter.canal.protocol.CanalEntry.Header

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    private Entry parseQueryEvent(QueryLogEvent event) {
        String queryString = event.getQuery();
        if (StringUtils.endsWithIgnoreCase(queryString, BEGIN)) {
            TransactionBegin transactionBegin = createTransactionBegin(event.getExecTime());
            Header header = createHeader(binlogFileName, event.getHeader(), "", "", null);
            return createEntry(header, EntryType.TRANSACTIONBEGIN, transactionBegin.toByteString());
        } else if (StringUtils.endsWithIgnoreCase(queryString, COMMIT)) {
            TransactionEnd transactionEnd = createTransactionEnd(0L, event.getWhen()); // MyISAM可能不会有xid事件
            Header header = createHeader(binlogFileName, event.getHeader(), "", "", null);
            return createEntry(header, EntryType.TRANSACTIONEND, transactionEnd.toByteString());
        } else {
            // DDL语句处理
            DdlResult result = SimpleDdlParser.parse(queryString, event.getDbName());

            String schemaName = event.getDbName();
            if (StringUtils.isEmpty(schemaName) && StringUtils.isNotEmpty(result.getSchemaName())) {
                schemaName = result.getSchemaName();
            }

            String tableName = result.getTableName();
            if (tableMetaCache != null && (result.getType() == EventType.ALTER || result.getType() == EventType.ERASE)) {
                if (StringUtils.isNotEmpty(tableName)) {
                    // 如果解析到了正确的表信息，则根据全名进行清除
                    tableMetaCache.clearTableMetaWithFullName(schemaName + "." + tableName);
                } else {
                    // 如果无法解析正确的表信息，则根据schema进行清除
                    tableMetaCache.clearTableMetaWithSchemaName(schemaName);
                }
            }

            Header header = createHeader(binlogFileName, event.getHeader(), schemaName, tableName, result.getType());
            RowChange.Builder rowChangeBuider = RowChange.newBuilder();
            if (result.getType() != EventType.QUERY) {
                rowChangeBuider.setIsDdl(true);
            }
            rowChangeBuider.setSql(queryString);
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        return buildQueryEntry(event.getQuery(), event.getHeader());
    }

    private Entry parseXidEvent(XidLogEvent event) {
        TransactionEnd transactionEnd = createTransactionEnd(event.getXid(), event.getWhen());
        Header header = createHeader(binlogFileName, event.getHeader(), "", "", null);
        return createEntry(header, EntryType.TRANSACTIONEND, transactionEnd.toByteString());
    }
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                eventType = EventType.DELETE;
            } else {
                throw new CanalParseException("unsupport event type :" + event.getHeader().getType());
            }

            Header header = createHeader(binlogFileName,
                event.getHeader(),
                table.getDbName(),
                table.getTableName(),
                eventType);
            RowChange.Builder rowChangeBuider = RowChange.newBuilder();
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        }

    }

    private Entry buildQueryEntry(String queryString, LogHeader logHeader) {
        Header header = createHeader(binlogFileName, logHeader, "", "", EventType.QUERY);
        RowChange.Builder rowChangeBuider = RowChange.newBuilder();
        rowChangeBuider.setSql(queryString);
        rowChangeBuider.setEventType(EventType.QUERY);
        return createEntry(header, EntryType.ROWDATA, rowChangeBuider.build().toByteString());
    }
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    private Entry parseQueryEvent(QueryLogEvent event) {
        String queryString = event.getQuery();
        if (StringUtils.endsWithIgnoreCase(queryString, BEGIN)) {
            TransactionBegin transactionBegin = createTransactionBegin(event.getExecTime());
            Header header = createHeader(binlogFileName, event.getHeader(), "", "", null);
            return createEntry(header, EntryType.TRANSACTIONBEGIN, transactionBegin.toByteString());
        } else if (StringUtils.endsWithIgnoreCase(queryString, COMMIT)) {
            TransactionEnd transactionEnd = createTransactionEnd(0L, event.getWhen()); // MyISAM可能不会有xid事件
            Header header = createHeader(binlogFileName, event.getHeader(), "", "", null);
            return createEntry(header, EntryType.TRANSACTIONEND, transactionEnd.toByteString());
        } else {
            // DDL语句处理
            DdlResult result = SimpleDdlParser.parse(queryString, event.getDbName());

            String schemaName = event.getDbName();
            if (StringUtils.isEmpty(schemaName) && StringUtils.isNotEmpty(result.getSchemaName())) {
                schemaName = result.getSchemaName();
            }

            String tableName = result.getTableName();
            if (tableMetaCache != null && (result.getType() == EventType.ALTER || result.getType() == EventType.ERASE)) {
                if (StringUtils.isNotEmpty(tableName)) {
                    // 如果解析到了正确的表信息，则根据全名进行清除
                    tableMetaCache.clearTableMetaWithFullName(schemaName + "." + tableName);
                } else {
                    // 如果无法解析正确的表信息，则根据schema进行清除
                    tableMetaCache.clearTableMetaWithSchemaName(schemaName);
                }
            }

            Header header = createHeader(binlogFileName, event.getHeader(), schemaName, tableName, result.getType());
            RowChange.Builder rowChangeBuider = RowChange.newBuilder();
            if (result.getType() != EventType.QUERY) {
                rowChangeBuider.setIsDdl(true);
            }
            rowChangeBuider.setSql(queryString);
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        return buildQueryEntry(event.getQuery(), event.getHeader());
    }

    private Entry parseXidEvent(XidLogEvent event) {
        TransactionEnd transactionEnd = createTransactionEnd(event.getXid(), event.getWhen());
        Header header = createHeader(binlogFileName, event.getHeader(), "", "", null);
        return createEntry(header, EntryType.TRANSACTIONEND, transactionEnd.toByteString());
    }
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                eventType = EventType.DELETE;
            } else {
                throw new CanalParseException("unsupport event type :" + event.getHeader().getType());
            }

            Header header = createHeader(binlogFileName, event.getHeader(), table.getDbName(), table.getTableName(),
                                         eventType);
            RowChange.Builder rowChangeBuider = RowChange.newBuilder();
            rowChangeBuider.setTableId(event.getTableId());
            rowChangeBuider.setIsDdl(false);
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        }

    }

    private Entry buildQueryEntry(String queryString, LogHeader logHeader) {
        Header header = createHeader(binlogFileName, logHeader, "", "", EventType.QUERY);
        RowChange.Builder rowChangeBuider = RowChange.newBuilder();
        rowChangeBuider.setSql(queryString);
        rowChangeBuider.setEventType(EventType.QUERY);
        return createEntry(header, EntryType.ROWDATA, rowChangeBuider.build().toByteString());
    }
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    private Entry parserQueryEvent(QueryLogEvent event) {
        String queryString = event.getQuery();
        if (StringUtils.endsWithIgnoreCase(queryString, BEGIN)) {
            TransactionBegin transactionBegin = createTransactionBegin(event.getExecTime());
            Header header = createHeader(binlogFileName, event.getHeader(), "", "");
            return createEntry(header, EntryType.TRANSACTIONBEGIN, transactionBegin.toByteString());
        } else if (StringUtils.endsWithIgnoreCase(queryString, COMMIT)) {
            TransactionEnd transactionEnd = createTransactionEnd(0L, event.getWhen()); // MyISAM可能不会有xid事件
            Header header = createHeader(binlogFileName, event.getHeader(), "", "");
            return createEntry(header, EntryType.TRANSACTIONEND, transactionEnd.toByteString());
        } else {
            // DDL语句处理
            DdlResult result = SimpleDdlParser.parse(queryString, event.getDbName());
            if (result == null) {
                logger.warn(
                            "WARN ## sql = {} , position = {}:{} is not create table/alter table/drop table ddl sql,so will ignore",
                            new Object[] { queryString, binlogFileName,
                                    event.getHeader().getLogPos() - event.getHeader().getEventLen() });
                return null;
            }

            String schemaName = event.getDbName();
            String tableName = result.getTableName();
            if (tableMetaCache != null && (result.getType() == EventType.ALTER || result.getType() == EventType.ERASE)) {
                if (StringUtils.isNotEmpty(tableName)) {
                    // 如果解析到了正确的表信息，则根据全名进行清除
                    tableMetaCache.clearTableMetaWithFullName(schemaName + "." + tableName);
                } else {
                    // 如果无法解析正确的表信息，则根据schema进行清除
                    tableMetaCache.clearTableMetaWithSchemaName(schemaName);
                }
            }

            Header header = createHeader(binlogFileName, event.getHeader(), schemaName, tableName);
            RowChange.Builder rowChangeBuider = RowChange.newBuilder();
            rowChangeBuider.setIsDdl(true);
            rowChangeBuider.setSql(queryString);
            rowChangeBuider.setEventType(result.getType());
            return createEntry(header, EntryType.ROWDATA, rowChangeBuider.build().toByteString());
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        }
    }

    private Entry paserXidEvent(XidLogEvent event) {
        TransactionEnd transactionEnd = createTransactionEnd(event.getXid(), event.getWhen());
        Header header = createHeader(binlogFileName, event.getHeader(), "", "");
        return createEntry(header, EntryType.TRANSACTIONEND, transactionEnd.toByteString());
    }
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Related Classes of com.alibaba.otter.canal.protocol.CanalEntry.Header

  • com.alibaba.otter.canal.parse.inbound.mysql.dbsync.LogEventConvert
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