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fixed format
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@@ -215,15 +215,13 @@ public class LogEventConvert extends AbstractCanalLifeCycle implements BinlogPar
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// 更新下table meta cache
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if (tableMetaCache != null
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&& (result.getType() == EventType.ALTER || result.getType() == EventType.ERASE || result.getType() == EventType.RENAME)) {
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for(DdlResult renameResult=result ;renameResult!=null; renameResult = renameResult.getRenameTableResult()) {
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String schemaName0 = event.getDbName(); //防止 rename语句后产生 schema变更带来影响
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for (DdlResult renameResult = result; renameResult != null; renameResult = renameResult.getRenameTableResult()) {
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String schemaName0 = event.getDbName(); // 防止rename语句后产生schema变更带来影响
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if (StringUtils.isNotEmpty(renameResult.getSchemaName())) {
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schemaName0 = renameResult.getSchemaName();
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}
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tableName = renameResult.getTableName();
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if (StringUtils.isNotEmpty(tableName)) {
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// 如果解析到了正确的表信息,则根据全名进行清除
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tableMetaCache.clearTableMeta(schemaName0, tableName);
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@@ -23,15 +23,15 @@ import com.alibaba.otter.canal.protocol.CanalEntry.EventType;
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*/
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public class SimpleDdlParser {
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public static final String CREATE_PATTERN = "^\\s*CREATE\\s*(TEMPORARY)?\\s*TABLE\\s*(.*)$";
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public static final String DROP_PATTERN = "^\\s*DROP\\s*(TEMPORARY)?\\s*TABLE\\s*(.*)$";
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public static final String ALERT_PATTERN = "^\\s*ALTER\\s*(IGNORE)?\\s*TABLE\\s*(.*)$";
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public static final String TRUNCATE_PATTERN = "^\\s*TRUNCATE\\s*(TABLE)?\\s*(.*)$";
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public static final String TABLE_PATTERN = "^(IF\\s*NOT\\s*EXISTS\\s*)?(IF\\s*EXISTS\\s*)?(`?.+?`?[;\\(\\s]+?)?.*$"; // 采用非贪婪模式
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public static final String INSERT_PATTERN = "^\\s*(INSERT|MERGE|REPLACE)(.*)$";
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public static final String UPDATE_PATTERN = "^\\s*UPDATE(.*)$";
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public static final String DELETE_PATTERN = "^\\s*DELETE(.*)$";
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public static final String RENAME_PATTERN = "^\\s*RENAME\\s*TABLE\\s*(.*?)\\s*TO\\s*(.*?)$";
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public static final String CREATE_PATTERN = "^\\s*CREATE\\s*(TEMPORARY)?\\s*TABLE\\s*(.*)$";
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public static final String DROP_PATTERN = "^\\s*DROP\\s*(TEMPORARY)?\\s*TABLE\\s*(.*)$";
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public static final String ALERT_PATTERN = "^\\s*ALTER\\s*(IGNORE)?\\s*TABLE\\s*(.*)$";
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public static final String TRUNCATE_PATTERN = "^\\s*TRUNCATE\\s*(TABLE)?\\s*(.*)$";
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public static final String TABLE_PATTERN = "^(IF\\s*NOT\\s*EXISTS\\s*)?(IF\\s*EXISTS\\s*)?(`?.+?`?[;\\(\\s]+?)?.*$"; // 采用非贪婪模式
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public static final String INSERT_PATTERN = "^\\s*(INSERT|MERGE|REPLACE)(.*)$";
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public static final String UPDATE_PATTERN = "^\\s*UPDATE(.*)$";
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public static final String DELETE_PATTERN = "^\\s*DELETE(.*)$";
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public static final String RENAME_PATTERN = "^\\s*RENAME\\s*TABLE\\s*(.*?)\\s*TO\\s*(.*?)$";
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public static final String RENAME_REMNANT_PATTERN = "^\\s*(.*?)\\s*TO\\s*(.*?)$";
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/**
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* <pre>
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@@ -43,8 +43,8 @@ public class SimpleDdlParser {
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* http://dev.mysql.com/doc/refman/5.6/en/create-index.html
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* </pre>
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*/
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public static final String CREATE_INDEX_PATTERN = "^\\s*CREATE\\s*(UNIQUE)?(FULLTEXT)?(SPATIAL)?\\s*INDEX\\s*(.*?)\\s*ON\\s*(.*?)$";
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public static final String DROP_INDEX_PATTERN = "^\\s*DROP\\s*INDEX\\s*(.*?)\\s*ON\\s*(.*?)$";
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public static final String CREATE_INDEX_PATTERN = "^\\s*CREATE\\s*(UNIQUE)?(FULLTEXT)?(SPATIAL)?\\s*INDEX\\s*(.*?)\\s*ON\\s*(.*?)$";
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public static final String DROP_INDEX_PATTERN = "^\\s*DROP\\s*INDEX\\s*(.*?)\\s*ON\\s*(.*?)$";
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public static DdlResult parse(String queryString, String schmeaName) {
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queryString = removeComment(queryString); // 去除/* */的sql注释内容
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@@ -76,10 +76,10 @@ public class SimpleDdlParser {
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if (result != null) {
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result.setType(EventType.RENAME);
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String[] renameStrings = queryString.split(",");
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if (renameStrings.length > 1){
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String[] renameStrings = queryString.split(",");
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if (renameStrings.length > 1) {
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DdlResult lastResult = result;
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for (int i=1; i<renameStrings.length; i++){
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for (int i = 1; i < renameStrings.length; i++) {
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DdlResult ddlResult = parseRename(renameStrings[i], schmeaName, RENAME_REMNANT_PATTERN);
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ddlResult.setType(EventType.RENAME);
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lastResult.setRenameTableResult(ddlResult);
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@@ -222,18 +222,16 @@ public class SimpleDdlParser {
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private String schemaName;
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private String tableName;
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private String oriSchemaName; // rename ddl中的源表
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private String oriTableName; // rename ddl中的目标表
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private String oriSchemaName; // rename ddl中的源表
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private String oriTableName; // rename ddl中的目标表
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private EventType type;
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private DdlResult renameTableResult; // 多个rename table的存储
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/*
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RENAME TABLE tbl_name TO new_tbl_name
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[, tbl_name2 TO new_tbl_name2] ...
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* RENAME TABLE tbl_name TO new_tbl_name [, tbl_name2 TO new_tbl_name2]
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* ...
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*/
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public DdlResult(){
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}
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@@ -305,14 +303,16 @@ public class SimpleDdlParser {
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public String toString() {
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DdlResult ddlResult = this;
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StringBuffer sb = new StringBuffer();
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do{
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do {
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sb.append(String.format("DdlResult [schemaName=%s , tableName=%s , oriSchemaName=%s , oriTableName=%s , type=%s ];",
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ddlResult.schemaName, ddlResult.tableName, ddlResult.oriSchemaName, ddlResult.oriTableName, ddlResult.type));
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ddlResult.schemaName,
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ddlResult.tableName,
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ddlResult.oriSchemaName,
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ddlResult.oriTableName,
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ddlResult.type));
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ddlResult = ddlResult.renameTableResult;
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}while (ddlResult!=null);
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} while (ddlResult != null);
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return sb.toString();
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}
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}
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}
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