com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlUpdateStatement Java Examples
The following examples show how to use
com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlUpdateStatement.
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Example #1
| Source File: AutoCompensateHandler.java From txle with Apache License 2.0 | 5 votes |
|
@Override
public void prepareCompensationAfterExecuting(PreparedStatement delegate, String executeSql, Map<String, Object> standbyParams) throws SQLException {
String globalTxId = CurrentThreadOmegaContext.getGlobalTxIdFromCurThread();
if (globalTxId == null || globalTxId.length() == 0) {
return;
}
String localTxId = CurrentThreadOmegaContext.getLocalTxIdFromCurThread();
if (localTxId == null || localTxId.length() == 0) {
return;
}
// To parse SQL by SQLParser tools from Druid.
MySqlStatementParser parser = new MySqlStatementParser(executeSql);
SQLStatement sqlStatement = parser.parseStatement();
if (sqlStatement instanceof MySqlSelectIntoStatement) {
return;
}
if (standbyParams == null) {
standbyParams = new HashMap<>(8);
}
String server = CurrentThreadOmegaContext.getServiceNameFromCurThread();
// To set a relationship between localTxId and datSourceInfo, in order to determine to use the relative dataSource for localTxId when it need be compensated.
DatabaseMetaData databaseMetaData = delegate.getConnection().getMetaData();
String dburl = databaseMetaData.getURL(), dbusername = databaseMetaData.getUserName(), dbdrivername = databaseMetaData.getDriverName();
DataSourceMappingCache.putLocalTxIdAndDataSourceInfo(localTxId, dburl, dbusername, dbdrivername);
// To construct kafka message.
standbyParams.put("dbdrivername", dbdrivername);
standbyParams.put("dburl", dburl);
standbyParams.put("dbusername", dbusername);
if (sqlStatement instanceof MySqlInsertStatement) {
AutoCompensateInsertHandler.newInstance().prepareCompensationAfterInserting(delegate, sqlStatement, executeSql, globalTxId, localTxId, server, standbyParams);
} else if (sqlStatement instanceof MySqlUpdateStatement) {
AutoCompensateUpdateHandler.newInstance().prepareCompensationAfterUpdating(delegate, sqlStatement, executeSql, globalTxId, localTxId, server, standbyParams);
}
}
Example #2
| Source File: CompensateService.java From txle with Apache License 2.0 | 5 votes |
|
private String parseTableName(SQLStatement sqlStatement) {
if (sqlStatement instanceof MySqlInsertStatement) {
return ((MySqlInsertStatement) sqlStatement).getTableName().toString();
} else if (sqlStatement instanceof MySqlDeleteStatement) {
return ((MySqlDeleteStatement) sqlStatement).getTableName().toString();
} else if (sqlStatement instanceof MySqlUpdateStatement) {
return ((MySqlUpdateStatement) sqlStatement).getTableName().toString();
}
return "";
}
Example #3
| Source File: DruidParserFactory.java From Mycat2 with GNU General Public License v3.0 | 5 votes |
|
public static DruidParser create(SchemaConfig schema, SQLStatement statement, SchemaStatVisitor visitor)
{
DruidParser parser = null;
if (statement instanceof SQLSelectStatement)
{
if(schema.isNeedSupportMultiDBType())
{
parser = getDruidParserForMultiDB(schema, statement, visitor);
}
if (parser == null)
{
parser = new DruidSelectParser();
}
} else if (statement instanceof MySqlInsertStatement)
{
parser = new DruidInsertParser();
} else if (statement instanceof MySqlDeleteStatement)
{
parser = new DruidDeleteParser();
} else if (statement instanceof MySqlCreateTableStatement)
{
parser = new DruidCreateTableParser();
} else if (statement instanceof MySqlUpdateStatement)
{
parser = new DruidUpdateParser();
} else if (statement instanceof SQLAlterTableStatement)
{
parser = new DruidAlterTableParser();
} else if (statement instanceof MySqlLockTableStatement) {
parser = new DruidLockTableParser();
} else
{
parser = new DefaultDruidParser();
}
return parser;
}
Example #4
| Source File: DruidUpdateParserTest.java From Mycat2 with GNU General Public License v3.0 | 5 votes |
|
public void throwExceptionParse(String sql, boolean throwException) throws NoSuchMethodException {
MySqlStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement sqlStatement = statementList.get(0);
MySqlUpdateStatement update = (MySqlUpdateStatement) sqlStatement;
SchemaConfig schemaConfig = mock(SchemaConfig.class);
Map<String, TableConfig> tables = mock(Map.class);
TableConfig tableConfig = mock(TableConfig.class);
String tableName = "hotnews";
when((schemaConfig).getTables()).thenReturn(tables);
when(tables.get(tableName)).thenReturn(tableConfig);
when(tableConfig.getParentTC()).thenReturn(null);
RouteResultset routeResultset = new RouteResultset(sql, 11);
Class c = DruidUpdateParser.class;
Method method = c.getDeclaredMethod("confirmShardColumnNotUpdated", new Class[]{SQLUpdateStatement.class, SchemaConfig.class, String.class, String.class, String.class, RouteResultset.class});
method.setAccessible(true);
try {
method.invoke(c.newInstance(), update, schemaConfig, tableName, "ID", "", routeResultset);
if (throwException) {
System.out.println("未抛异常，解析通过则不对！");
Assert.assertTrue(false);
} else {
System.out.println("未抛异常，解析通过，此情况分片字段可能在update语句中但是实际不会被更新");
Assert.assertTrue(true);
}
} catch (Exception e) {
if (throwException) {
System.out.println(e.getCause().getClass());
Assert.assertTrue(e.getCause() instanceof SQLNonTransientException);
System.out.println("抛异常原因为SQLNonTransientException则正确");
} else {
System.out.println("抛异常，需要检查");
Assert.assertTrue(false);
}
}
}
Example #5
| Source File: SchemaUtil.java From dble with GNU General Public License v2.0 | 5 votes |
|
private static boolean isNoSharding(ServerConnection source, SQLExprTableSource table, SQLStatement stmt, SQLStatement childSelectStmt, String contextSchema, Set<String> schemas, StringPtr dataNode)
throws SQLException {
SchemaInfo schemaInfo = SchemaUtil.getSchemaInfo(source.getUser(), contextSchema, table);
String currentSchema = schemaInfo.schema.toUpperCase();
if (SchemaUtil.MYSQL_SYS_SCHEMA.contains(currentSchema)) {
schemas.add(currentSchema);
return false;
}
ServerPrivileges.CheckType checkType = ServerPrivileges.CheckType.SELECT;
if (childSelectStmt instanceof MySqlUpdateStatement) {
checkType = ServerPrivileges.CheckType.UPDATE;
} else if (childSelectStmt instanceof SQLSelectStatement) {
checkType = ServerPrivileges.CheckType.SELECT;
} else if (childSelectStmt instanceof MySqlDeleteStatement) {
checkType = ServerPrivileges.CheckType.DELETE;
}
if (!ServerPrivileges.checkPrivilege(source, schemaInfo.schema, schemaInfo.table, checkType)) {
String msg = "The statement DML privilege check is not passed, sql:" + stmt.toString().replaceAll("[\\t\\n\\r]", " ");
throw new SQLNonTransientException(msg);
}
String noShardingNode = RouterUtil.isNoSharding(schemaInfo.schemaConfig, schemaInfo.table);
schemas.add(schemaInfo.schema);
if (noShardingNode == null) {
return false;
} else if (dataNode.get() == null) {
dataNode.set(noShardingNode);
return true;
} else {
return dataNode.get().equals(noShardingNode);
}
}
Example #6
| Source File: DruidUpdateParserTest.java From dble with GNU General Public License v2.0 | 5 votes |
|
public void throwExceptionParse(String sql, boolean throwException) throws NoSuchMethodException {
MySqlStatementParser parser = new MySqlStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement sqlStatement = statementList.get(0);
MySqlUpdateStatement update = (MySqlUpdateStatement) sqlStatement;
SchemaConfig schemaConfig = mock(SchemaConfig.class);
Map<String, TableConfig> tables = mock(Map.class);
TableConfig tableConfig = mock(TableConfig.class);
String tableName = "hotnews";
when((schemaConfig).getTables()).thenReturn(tables);
when(tables.get(tableName)).thenReturn(tableConfig);
when(tableConfig.getParentTC()).thenReturn(null);
RouteResultset routeResultset = new RouteResultset(sql, 11);
Class c = DruidUpdateParser.class;
Method method = c.getDeclaredMethod("confirmShardColumnNotUpdated", new Class[]{SQLUpdateStatement.class, SchemaConfig.class, String.class, String.class, String.class, RouteResultset.class});
method.setAccessible(true);
try {
method.invoke(c.newInstance(), update, schemaConfig, tableName, "ID", "", routeResultset);
if (throwException) {
System.out.println("Not passed without exception is not correct");
Assert.assertTrue(false);
} else {
System.out.println("Passed without exception. Maybe the partition key exists in update statement,but not update in fact");
Assert.assertTrue(true);
}
} catch (Exception e) {
if (throwException) {
System.out.println(e.getCause().getClass());
Assert.assertTrue(e.getCause() instanceof SQLNonTransientException);
System.out.println("SQLNonTransientException is expected");
} else {
System.out.println("need checked");
Assert.assertTrue(false);
}
}
}
Example #7
| Source File: MySqlUpdateParser.java From baymax with Apache License 2.0 | 5 votes |
|
/**
* 判断某个列是否能被update,分区表的分区列是不能被update的.
*/
protected void checkUpdateColumn(){
MySqlUpdateStatement update = (MySqlUpdateStatement)statement;
String tableName = StringUtil.removeBackquote(update.getTableName().getSimpleName());
List<SQLUpdateSetItem> updateSetItem = update.getItems();
String[] partitionColumns = BaymaxContext.getPartitionColumns(tableName);
if(partitionColumns != null && partitionColumns.length > 0 && updateSetItem != null && updateSetItem.size() > 0) {
for(SQLUpdateSetItem item : updateSetItem) {
String column = StringUtil.removeBackquote(item.getColumn().toString());
if (StringUtil.contains(partitionColumns, column)){
throw new BayMaxException("分区表的分区键不能被更新:" + tableName + "." + column);
}
}
}
}
Example #8
| Source File: PaserExecutor.java From dts with Apache License 2.0 | 4 votes |
|
public static SQLType parse(StatementAdapter txcStatement) throws SQLException {
long start = System.currentTimeMillis();
SQLType sqlType = SQLType.SELECT;
try {
DbRuntimeContext txcRuntimeContext = txcStatement.getConnection().getConnectionRuntimeContext();
String sql = txcStatement.getSql();
SQLStatement sqlParseStatement = new MySqlStatementParser(sql).parseStatement();
CommitInfo commitInfo = null;
if (sqlParseStatement instanceof MySqlUpdateStatement) {
commitInfo = UpdateParser.getInstance().parse(txcStatement);
sqlType = SQLType.UPDATE;
if (!Objects.isNull(commitInfo)&&!CollectionUtils.isEmpty(commitInfo.getOriginalValue().getLine())) {
txcRuntimeContext.getInfo().add(commitInfo);
fillDbMetaAndLockRow(txcStatement, commitInfo);
}
} else if (sqlParseStatement instanceof MySqlInsertStatement) {
sqlType = SQLType.INSERT;
} else if (sqlParseStatement instanceof MySqlDeleteStatement) {
commitInfo = DeleteParser.getInstance().parse(txcStatement);
sqlType = SQLType.DELETE;
if (!Objects.isNull(commitInfo) && !CollectionUtils.isEmpty(commitInfo.getOriginalValue().getLine())) {
txcRuntimeContext.getInfo().add(commitInfo);
fillDbMetaAndLockRow(txcStatement, commitInfo);
}
} else if (sqlParseStatement instanceof SQLSelectStatement) {
SQLSelectQueryBlock selectQueryBlock =
((SQLSelectStatement)sqlParseStatement).getSelect().getQueryBlock();
if (selectQueryBlock.getFrom() != null) {
SelectParser.getInstance().parse(txcStatement);
sqlType = SQLType.SELECT;
}
}
} catch (Exception e) {
logger.error("parse sql error", e);
if (e instanceof SQLException || e instanceof RuntimeException) {
throw e;
} else {
throw new SQLException(e);
}
} finally {
long cost = System.currentTimeMillis() - start;
if (sqlType != SQLType.SELECT || cost > 50) {
logger.debug("parser sql:{}, cost:{}ms", txcStatement.getSql(), cost);
}
}
return sqlType;
}
Example #9
| Source File: AutoCompensateService.java From txle with Apache License 2.0 | 4 votes |
|
private boolean checkDataConsistency(String compensateSql, String globalTxId, String localTxId) throws NoSuchAlgorithmException, IOException {
MySqlStatementParser parser = new MySqlStatementParser(compensateSql);
SQLStatement sqlStatement = parser.parseStatement();
if (sqlStatement instanceof MySqlUpdateStatement || sqlStatement instanceof MySqlInsertStatement) {
MySqlUpdateStatement deleteStatement = (MySqlUpdateStatement) sqlStatement;
String tableName = deleteStatement.getTableName().toString().toLowerCase();
String schema = TxleConstants.APP_NAME;
String txleBackupTableName = "backup_new_" + tableName;
int backupDataCount = autoCompensateDao.executeQueryCount("SELECT count(*) FROM " + schema + "." + txleBackupTableName + " T WHERE T.globalTxId = ? AND T.localTxId = ? FOR UPDATE", globalTxId, localTxId);
if (backupDataCount > 0) {
String pkName = this.parsePrimaryKeyColumnName(tableName);
int currentDataCount = autoCompensateDao.executeQueryCount("SELECT count(*) FROM " + tableName + " T WHERE T.id IN (SELECT T1.id FROM " + schema + "." + txleBackupTableName + " T1 WHERE T1.globalTxId = ? AND T1.localTxId = ?)", globalTxId, localTxId);
// in case of updating many times for some same data, to delete the previous changes, so it only has one backup for any data.
if (backupDataCount == currentDataCount) {
List<Map<String, Object>> columnList = autoCompensateDao.executeQuery(
"SELECT GROUP_CONCAT(COLUMN_NAME) COLUMN_NAMES FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = '" + schema + "' AND TABLE_NAME = '" + txleBackupTableName + "' AND COLUMN_NAME NOT IN ('globalTxId', 'localTxId')");
if (columnList != null && !columnList.isEmpty()) {
StringBuilder columnNames = new StringBuilder();
String[] columnArr = columnList.get(0).get("COLUMN_NAMES").toString().split(",");
for (String column : columnArr) {
if (columnNames.length() == 0) {
columnNames.append("T." + column);
} else {
columnNames.append(",T." + column);
}
}
String backupDataSql = "SELECT " + columnNames + " FROM " + schema + "." + txleBackupTableName + " T WHERE T.globalTxId = '" + globalTxId + "' AND T.localTxId = '" + localTxId + "'";
String currentDataSql = "SELECT " + columnNames + " FROM " + tableName + " T, " + schema + "." + txleBackupTableName + " T1 WHERE T." + pkName + " = T1." + pkName + " AND T1.globalTxId = '" + globalTxId + "' AND T1.localTxId = '" + localTxId + "'";
String backupDataMD5 = getMD5Digest(backupDataSql, backupDataCount);
String currentDataMD5 = getMD5Digest(currentDataSql, currentDataCount);
if (backupDataMD5.equals(currentDataMD5)) {
return true;
}
}
}
}
throw new RuntimeException("That's not consistent between backup data and current data.");
}
return true;
}
Example #10
| Source File: AutoCompensateHandler.java From txle with Apache License 2.0 | 4 votes |
|
@Override
public void prepareCompensationBeforeExecuting(PreparedStatement delegate, String executeSql, Map<String, Object> standbyParams) throws SQLException {
String globalTxId = CurrentThreadOmegaContext.getGlobalTxIdFromCurThread();
if (globalTxId == null || globalTxId.length() == 0) {
return;
}
String localTxId = CurrentThreadOmegaContext.getLocalTxIdFromCurThread();
if (localTxId == null || localTxId.length() == 0) {
return;
}
// To parse SQL by SQLParser tools from Druid.
MySqlStatementParser parser = new MySqlStatementParser(executeSql);
SQLStatement sqlStatement = parser.parseStatement();
if (sqlStatement instanceof MySqlSelectIntoStatement) {
return;
}
if (standbyParams == null) {
standbyParams = new HashMap<>(8);
}
String server = CurrentThreadOmegaContext.getServiceNameFromCurThread();
// To set a relationship between localTxId and datSourceInfo, in order to determine to use the relative dataSource for localTxId when it need be compensated.
DatabaseMetaData databaseMetaData = delegate.getConnection().getMetaData();
String dburl = databaseMetaData.getURL(), dbusername = databaseMetaData.getUserName(), dbdrivername = databaseMetaData.getDriverName();
DataSourceMappingCache.putLocalTxIdAndDataSourceInfo(localTxId, dburl, dbusername, dbdrivername);
// To construct kafka message.
standbyParams.put("dbdrivername", dbdrivername);
standbyParams.put("dburl", dburl);
standbyParams.put("dbusername", dbusername);
if (sqlStatement instanceof MySqlInsertStatement) {
return;
} else if (sqlStatement instanceof MySqlUpdateStatement) {
AutoCompensateUpdateHandler.newInstance().prepareCompensationBeforeUpdating(delegate, sqlStatement, executeSql, globalTxId, localTxId, server, standbyParams);
} else if (sqlStatement instanceof MySqlDeleteStatement) {
AutoCompensateDeleteHandler.newInstance().prepareCompensationBeforeDeleting(delegate, sqlStatement, executeSql, globalTxId, localTxId, server, standbyParams);
} else {
standbyParams.clear();
// Default is closed, means that just does record, if it's open, then program will throw an exception about current special SQL, just for auto-compensation.
boolean checkSpecialSql = TxleStaticConfig.getBooleanConfig("txle.transaction.auto-compensation.check-special-sql", false);
if (checkSpecialSql) {
throw new SQLException(TxleConstants.logErrorPrefixWithTime() + "Do not support sql [" + executeSql + "] to auto-compensation.");
} else {
LOG.debug(TxleConstants.logDebugPrefixWithTime() + "Do not support sql [{}] to auto-compensation, but it has been executed due to the switch 'checkSpecialSql' is closed.", executeSql);
}
}
}
Example #11
| Source File: CompensateService.java From txle with Apache License 2.0 | 4 votes |
|
public void prepareBackupSql(TxleTransactionStart tx, TxleTxStartAck.Builder txStartAck, boolean isExistsGlobalTx, Map<String, String> localTxBackupSql) {
for (TxleSubTransactionStart subTx : tx.getSubTxInfoList()) {
try {
SQLStatement sqlStatement = new MySqlStatementParser(subTx.getSql()).parseStatement();
String tableName = parseTableName(sqlStatement);
String tableNameWithSchema = tableName;
if (tableName.indexOf(".") < 0) {
tableNameWithSchema = subTx.getDbSchema() + "." + tableName;
} else {
tableName = tableName.substring(tableName.indexOf(".") + 1);
}
String txleOldBackupTableName = TxleConstants.giveBackupTableNameForOldData(subTx.getDbSchema(), tableName), txleOldBackupTableNameWithSchema = this.schema + "." + txleOldBackupTableName;
String txleNewBackupTableName = TxleConstants.giveBackupTableNameForNewData(subTx.getDbSchema(), tableName), txleNewBackupTableNameWithSchema = this.schema + "." + txleNewBackupTableName;
// create backup table & alter structure
TxleSubTxSql.Builder subTxSql = TxleSubTxSql.newBuilder().setLocalTxId(subTx.getLocalTxId()).setDbNodeId(subTx.getDbNodeId()).setDbSchema(subTx.getDbSchema()).setOrder(subTx.getOrder());
this.constructBackupSqls(tx, isExistsGlobalTx, subTx, subTxSql, tableNameWithSchema, txleOldBackupTableName, txleOldBackupTableNameWithSchema, txleNewBackupTableName, txleNewBackupTableNameWithSchema);
String operation = "";
if (sqlStatement instanceof MySqlInsertStatement) {
operation = "insert";
// the formal business sql
subTxSql.addSubTxSql(subTx.getSql());
// the backup new data sql
Object primaryKey = this.txleEhCache.get(TxleCacheType.INIT, subTx.getDbNodeId() + "." + tableNameWithSchema);
if (primaryKey == null) {
primaryKey = "id";
}
subTxSql.addSubTxSql(String.format("INSERT INTO " + txleNewBackupTableNameWithSchema + " SELECT *, '%s', '%s' FROM %s WHERE " + primaryKey + " = (SELECT LAST_INSERT_ID()) FOR UPDATE " + TxleConstants.ACTION_SQL, tx.getGlobalTxId(), subTx.getLocalTxId(), tableNameWithSchema));
} else if (sqlStatement instanceof MySqlDeleteStatement) {
operation = "delete";
subTxSql.addSubTxSql(String.format("INSERT INTO " + txleOldBackupTableNameWithSchema + " SELECT *, '%s', '%s' FROM %s WHERE %s FOR UPDATE "
+ TxleConstants.ACTION_SQL, tx.getGlobalTxId(), subTx.getLocalTxId(), tableNameWithSchema, ((MySqlDeleteStatement) sqlStatement).getWhere().toString()));
subTxSql.addSubTxSql(subTx.getSql());
} else if (sqlStatement instanceof MySqlUpdateStatement) {
operation = "update";
subTxSql.addSubTxSql(String.format("INSERT INTO " + txleOldBackupTableNameWithSchema + " SELECT *, '%s', '%s' FROM %s WHERE %s FOR UPDATE "
+ TxleConstants.ACTION_SQL, tx.getGlobalTxId(), subTx.getLocalTxId(), tableNameWithSchema, ((MySqlUpdateStatement) sqlStatement).getWhere().toString()));
subTxSql.addSubTxSql(subTx.getSql());
subTxSql.addSubTxSql(String.format("INSERT INTO " + txleNewBackupTableNameWithSchema + " SELECT *, '%s', '%s' FROM %s WHERE %s FOR UPDATE "
+ TxleConstants.ACTION_SQL, tx.getGlobalTxId(), subTx.getLocalTxId(), tableNameWithSchema, ((MySqlUpdateStatement) sqlStatement).getWhere().toString()));
}
if (!txleEhCache.readConfigCache(TxleConstants.getServiceInstanceId(tx.getServiceName(), tx.getServiceIP()), tx.getServiceCategory(), ConfigCenterType.ClientCompensate)) {
subTxSql.addSubTxSql("set autocommit=0");
subTxSql.addSubTxSql("commit");
subTxSql.addSubTxSql("set autocommit=1");
// subTxSql.addSubTxSql("begin");
}
// return SQLs to client
txStartAck.addSubTxSql(subTxSql.build());
final StringBuilder backupSqls = new StringBuilder();
subTxSql.getSubTxSqlList().forEach(sql -> backupSqls.append(sql + TxleConstants.STRING_SEPARATOR));
localTxBackupSql.put(subTx.getLocalTxId(), backupSqls.toString());
kafkaMessageRepository.save(new KafkaMessage(tx.getGlobalTxId(), subTx.getLocalTxId(), "", subTx.getDbNodeId(), "", tableNameWithSchema, operation, ""));
} catch (Exception e) {
handleExceptionWithFaultToleranceChecking("Failed to prepare sqls for backup.", e, tx, txStartAck);
}
}
}
Example #12
| Source File: CompensateService.java From txle with Apache License 2.0 | 4 votes |
|
public void constructCompensateSql(TxleTransactionStart tx, TxleTxStartAck.Builder txStartAck, Map<String, String> localTxCompensateSql) {
for (TxleSubTransactionStart subTx : tx.getSubTxInfoList()) {
try {
SQLStatement sqlStatement = new MySqlStatementParser(subTx.getSql()).parseStatement();
String tableName = parseTableName(sqlStatement);
String tableNameWithSchema = tableName;
if (tableName.indexOf(".") < 0) {
tableNameWithSchema = subTx.getDbSchema() + "." + tableName;
} else {
tableName = tableName.substring(tableName.indexOf(".") + 1);
}
String txleOldBackupTableName = TxleConstants.giveBackupTableNameForOldData(subTx.getDbSchema(), tableName);
String txleNewBackupTableName = this.schema + "." + TxleConstants.giveBackupTableNameForNewData(subTx.getDbSchema(), tableName);
String compensateSql = "";
if (sqlStatement instanceof MySqlInsertStatement) {
compensateSql = String.format("DELETE FROM " + tableNameWithSchema + " WHERE id IN (SELECT id FROM " + txleNewBackupTableName + " WHERE globalTxId = '%s' AND localTxId = '%s') " + TxleConstants.ACTION_SQL, tx.getGlobalTxId(), subTx.getLocalTxId());
} else if (sqlStatement instanceof MySqlDeleteStatement) {
compensateSql = String.format("INSERT INTO " + tableNameWithSchema + " SELECT %s FROM " + schema + "." + txleOldBackupTableName + " WHERE globalTxId = '%s' AND localTxId = '%s' "
+ TxleConstants.ACTION_SQL, this.readColumnNames(subTx.getDbSchema(), tableName), tx.getGlobalTxId(), subTx.getLocalTxId());
} else if (sqlStatement instanceof MySqlUpdateStatement) {
String setColumns = this.constructSetColumnsForUpdate(subTx.getDbSchema(), tableName);
Object primaryKey = this.txleEhCache.get(TxleCacheType.INIT, subTx.getDbNodeId() + "." + tableNameWithSchema);
if (primaryKey == null) {
List list = customRepository.executeQuery("SELECT T.field FROM BusinessDBLatestDetail T WHERE T.isprimarykey = 1 AND T.node = ? AND T.dbschema = ? AND T.tablename = ?", subTx.getDbNodeId(), subTx.getDbSchema(), tableName);
if (list != null && !list.isEmpty()) {
primaryKey = list.get(0);
if (primaryKey != null) {
txleEhCache.put(TxleCacheType.INIT, subTx.getDbNodeId() + "." + subTx.getDbSchema() + "." + tableName, primaryKey);
}
}
}
if (primaryKey == null) {
primaryKey = "id";
}
// construct reversed sql
compensateSql = String.format("UPDATE %s T INNER JOIN %s T1 ON T." + primaryKey + " = T1." + primaryKey + " SET %s WHERE T1.globalTxId = '%s' AND T1.localTxId = '%s' "
+ TxleConstants.ACTION_SQL, tableNameWithSchema, this.schema + "." + txleOldBackupTableName, setColumns, tx.getGlobalTxId(), subTx.getLocalTxId());
}
localTxCompensateSql.put(subTx.getLocalTxId(), compensateSql);
} catch (Exception e) {
handleExceptionWithFaultToleranceChecking("Failed to construct sql for compensation.", e, tx, txStartAck);
}
}
}
Example #13
| Source File: DruidUpdateParser.java From Mycat2 with GNU General Public License v3.0 | 4 votes |
|
@Override
public void statementParse(SchemaConfig schema, RouteResultset rrs, SQLStatement stmt) throws SQLNonTransientException {
//这里限制了update分片表的个数只能有一个
if (ctx.getTables() != null && getUpdateTableCount() > 1 && !schema.isNoSharding()) {
String msg = "multi table related update not supported,tables:" + ctx.getTables();
LOGGER.warn(msg);
throw new SQLNonTransientException(msg);
}
MySqlUpdateStatement update = (MySqlUpdateStatement) stmt;
String tableName = StringUtil.removeBackquote(update.getTableName().getSimpleName().toUpperCase());
TableConfig tc = schema.getTables().get(tableName);
if (RouterUtil.isNoSharding(schema, tableName)) {//整个schema都不分库或者该表不拆分
RouterUtil.routeForTableMeta(rrs, schema, tableName, rrs.getStatement());
rrs.setFinishedRoute(true);
return;
}
String partitionColumn = tc.getPartitionColumn();
String joinKey = tc.getJoinKey();
if (tc.isGlobalTable() || (partitionColumn == null && joinKey == null)) {
//修改全局表 update 受影响的行数
RouterUtil.routeToMultiNode(false, rrs, tc.getDataNodes(), rrs.getStatement(), tc.isGlobalTable());
rrs.setFinishedRoute(true);
return;
}
confirmShardColumnNotUpdated(update, schema, tableName, partitionColumn, joinKey, rrs);
// if(ctx.getTablesAndConditions().size() > 0) {
// Map<String, Set<ColumnRoutePair>> map = ctx.getTablesAndConditions().get(tableName);
// if(map != null) {
// for(Map.Entry<String, Set<ColumnRoutePair>> entry : map.entrySet()) {
// String column = entry.getKey();
// Set<ColumnRoutePair> value = entry.getValue();
// if(column.toUpperCase().equals(anObject))
// }
// }
//
// }
// System.out.println();
if (schema.getTables().get(tableName).isGlobalTable() && ctx.getRouteCalculateUnit().getTablesAndConditions().size() > 1) {
throw new SQLNonTransientException("global table is not supported in multi table related update " + tableName);
}
//在解析SQL时清空该表的主键缓存
TableConfig tableConfig = schema.getTables().get(tableName);
if (tableConfig != null && !tableConfig.primaryKeyIsPartionKey()) {
String cacheName = schema.getName() +"_" + tableName;
cacheName = cacheName.toUpperCase();
for (CachePool value : MycatServer.getInstance().getCacheService().getAllCachePools().values()) {
value.clearCache(cacheName);
value.getCacheStatic().reset();
}
}
}
Example #14
| Source File: ElasticSqlSelectParser.java From elasticsearch-sql with Apache License 2.0 | 4 votes |
|
protected MySqlUpdateStatement parseUpdateStatment() {
MySqlUpdateStatement update = new MySqlUpdateStatement();
lexer.nextToken();
if (lexer.identifierEquals(FnvHash.Constants.LOW_PRIORITY)) {
lexer.nextToken();
update.setLowPriority(true);
}
if (lexer.identifierEquals(FnvHash.Constants.IGNORE)) {
lexer.nextToken();
update.setIgnore(true);
}
if (lexer.identifierEquals(FnvHash.Constants.COMMIT_ON_SUCCESS)) {
lexer.nextToken();
update.setCommitOnSuccess(true);
}
if (lexer.identifierEquals(FnvHash.Constants.ROLLBACK_ON_FAIL)) {
lexer.nextToken();
update.setRollBackOnFail(true);
}
if (lexer.identifierEquals(FnvHash.Constants.QUEUE_ON_PK)) {
lexer.nextToken();
update.setQueryOnPk(true);
}
if (lexer.identifierEquals(FnvHash.Constants.TARGET_AFFECT_ROW)) {
lexer.nextToken();
SQLExpr targetAffectRow = this.exprParser.expr();
update.setTargetAffectRow(targetAffectRow);
}
if (lexer.identifierEquals(FnvHash.Constants.FORCE)) {
lexer.nextToken();
if (lexer.token() == Token.ALL) {
lexer.nextToken();
acceptIdentifier("PARTITIONS");
update.setForceAllPartitions(true);
} else if (lexer.identifierEquals(FnvHash.Constants.PARTITIONS)){
lexer.nextToken();
update.setForceAllPartitions(true);
} else if (lexer.token() == Token.PARTITION) {
lexer.nextToken();
SQLName partition = this.exprParser.name();
update.setForcePartition(partition);
} else {
throw new ParserException("TODO. " + lexer.info());
}
}
while (lexer.token() == Token.HINT) {
this.exprParser.parseHints(update.getHints());
}
SQLSelectParser selectParser = this.exprParser.createSelectParser();
SQLTableSource updateTableSource = selectParser.parseTableSource();
update.setTableSource(updateTableSource);
accept(Token.SET);
for (;;) {
SQLUpdateSetItem item = this.exprParser.parseUpdateSetItem();
update.addItem(item);
if (lexer.token() != Token.COMMA) {
break;
}
lexer.nextToken();
}
if (lexer.token() == (Token.WHERE)) {
lexer.nextToken();
update.setWhere(this.exprParser.expr());
}
update.setOrderBy(this.exprParser.parseOrderBy());
update.setLimit(this.exprParser.parseLimit());
return update;
}
