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mcy
2018-12-12 10:11:06 +08:00
parent 89a4943349
commit 5c4b1f6e63
11 changed files with 158 additions and 129 deletions
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9
client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/Dml.java
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@@ -17,6 +17,7 @@ public class Dml implements Serializable {
private String destination; // 对应canal的实例或者MQ的topic private String destination; // 对应canal的实例或者MQ的topic
private String database; // 数据库或schema private String database; // 数据库或schema
private String table; // 表名 private String table; // 表名
private List<String> pkNames;
private String type; // 类型: INSERT UPDATE DELETE private String type; // 类型: INSERT UPDATE DELETE
// binlog executeTime // binlog executeTime
private Long es; // 执行耗时 private Long es; // 执行耗时
@@ -50,6 +51,14 @@ public class Dml implements Serializable {
this.table = table; this.table = table;
} }
public List<String> getPkNames() {
return pkNames;
}
public void setPkNames(List<String> pkNames) {
this.pkNames = pkNames;
}
public String getType() { public String getType() {
return type; return type;
} }

17
client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/MessageUtil.java
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@@ -1,11 +1,6 @@
package com.alibaba.otter.canal.client.adapter.support; package com.alibaba.otter.canal.client.adapter.support;
import java.util.ArrayList; import java.util.*;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.alibaba.otter.canal.protocol.CanalEntry; import com.alibaba.otter.canal.protocol.CanalEntry;
import com.alibaba.otter.canal.protocol.FlatMessage; import com.alibaba.otter.canal.protocol.FlatMessage;
@@ -55,6 +50,8 @@ public class MessageUtil {
if (!rowChange.getIsDdl()) { if (!rowChange.getIsDdl()) {
Set<String> updateSet = new HashSet<>(); Set<String> updateSet = new HashSet<>();
dml.setPkNames(new ArrayList<>());
int i = 0;
for (CanalEntry.RowData rowData : rowChange.getRowDatasList()) { for (CanalEntry.RowData rowData : rowChange.getRowDatasList()) {
if (eventType != CanalEntry.EventType.INSERT && eventType != CanalEntry.EventType.UPDATE if (eventType != CanalEntry.EventType.INSERT && eventType != CanalEntry.EventType.UPDATE
&& eventType != CanalEntry.EventType.DELETE) { && eventType != CanalEntry.EventType.DELETE) {
@@ -71,6 +68,11 @@ public class MessageUtil {
} }
for (CanalEntry.Column column : columns) { for (CanalEntry.Column column : columns) {
if (i == 0) {
if (column.getIsKey()) {
dml.getPkNames().add(column.getName());
}
}
row.put(column.getName(), row.put(column.getName(),
JdbcTypeUtil.typeConvert(column.getName(), JdbcTypeUtil.typeConvert(column.getName(),
column.getValue(), column.getValue(),
@@ -101,6 +103,8 @@ public class MessageUtil {
old.add(rowOld); old.add(rowOld);
} }
} }
i++;
} }
if (!data.isEmpty()) { if (!data.isEmpty()) {
dml.setData(data); dml.setData(data);
@@ -134,6 +138,7 @@ public class MessageUtil {
dml.setDestination(destination); dml.setDestination(destination);
dml.setDatabase(flatMessage.getDatabase()); dml.setDatabase(flatMessage.getDatabase());
dml.setTable(flatMessage.getTable()); dml.setTable(flatMessage.getTable());
dml.setPkNames(flatMessage.getPkNames());
dml.setType(flatMessage.getType()); dml.setType(flatMessage.getType());
dml.setTs(flatMessage.getTs()); dml.setTs(flatMessage.getTs());
dml.setEs(flatMessage.getEs()); dml.setEs(flatMessage.getEs());

5
client-adapter/rdb/pom.xml
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@@ -24,11 +24,6 @@
<version>1.19</version> <version>1.19</version>
<scope>provided</scope> <scope>provided</scope>
</dependency> </dependency>
<dependency>
<groupId>com.alibaba.fastsql</groupId>
<artifactId>fastsql</artifactId>
<version>2.0.0_preview_644</version>
</dependency>
<dependency> <dependency>
<groupId>mysql</groupId> <groupId>mysql</groupId>

4
client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/RdbAdapter.java
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@@ -172,7 +172,7 @@ public class RdbAdapter implements OuterAdapter {
public Map<String, Object> count(String task) { public Map<String, Object> count(String task) {
MappingConfig config = rdbMapping.get(task); MappingConfig config = rdbMapping.get(task);
MappingConfig.DbMapping dbMapping = config.getDbMapping(); MappingConfig.DbMapping dbMapping = config.getDbMapping();
String sql = "SELECT COUNT(1) AS cnt FROM " + SyncUtil.dbTable(dbMapping); String sql = "SELECT COUNT(1) AS cnt FROM " + SyncUtil.getDbTableName(dbMapping);
Connection conn = null; Connection conn = null;
Map<String, Object> res = new LinkedHashMap<>(); Map<String, Object> res = new LinkedHashMap<>();
try { try {
@@ -198,7 +198,7 @@ public class RdbAdapter implements OuterAdapter {
} }
} }
} }
res.put("targetTable", SyncUtil.dbTable(dbMapping)); res.put("targetTable", SyncUtil.getDbTableName(dbMapping));
return res; return res;
} }

3
client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/config/MappingConfig.java
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@@ -1,5 +1,6 @@
package com.alibaba.otter.canal.client.adapter.rdb.config; package com.alibaba.otter.canal.client.adapter.rdb.config;
import java.util.LinkedHashMap;
import java.util.Map; import java.util.Map;
/** /**
@@ -77,7 +78,7 @@ public class MappingConfig {
private Boolean mirrorDb = false; // 是否镜像库 private Boolean mirrorDb = false; // 是否镜像库
private String database; // 数据库名或schema名 private String database; // 数据库名或schema名
private String table; // 表名 private String table; // 表名
private Map<String, String> targetPk; // 目标表主键字段 private Map<String, String> targetPk = new LinkedHashMap<>(); // 目标表主键字段
private Boolean mapAll = false; // 映射所有字段 private Boolean mapAll = false; // 映射所有字段
private String targetDb; // 目标库名 private String targetDb; // 目标库名
private String targetTable; // 目标表名 private String targetTable; // 目标表名

6
client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/service/RdbEtlService.java
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@@ -109,7 +109,7 @@ public class RdbEtlService {
logger.info( logger.info(
dbMapping.getTable() + " etl completed in: " + (System.currentTimeMillis() - start) / 1000 + "s!"); dbMapping.getTable() + " etl completed in: " + (System.currentTimeMillis() - start) / 1000 + "s!");
etlResult.setResultMessage("导入目标表 " + SyncUtil.dbTable(dbMapping) + " 数据：" + successCount.get() + " 条"); etlResult.setResultMessage("导入目标表 " + SyncUtil.getDbTableName(dbMapping) + " 数据：" + successCount.get() + " 条");
} catch (Exception e) { } catch (Exception e) {
logger.error(e.getMessage(), e); logger.error(e.getMessage(), e);
errMsg.add(hbaseTable + " etl failed! ==>" + e.getMessage()); errMsg.add(hbaseTable + " etl failed! ==>" + e.getMessage());
@@ -187,7 +187,7 @@ public class RdbEtlService {
// } // }
StringBuilder insertSql = new StringBuilder(); StringBuilder insertSql = new StringBuilder();
insertSql.append("INSERT INTO ").append(SyncUtil.dbTable(dbMapping)).append(" ("); insertSql.append("INSERT INTO ").append(SyncUtil.getDbTableName(dbMapping)).append(" (");
columnsMap columnsMap
.forEach((targetColumnName, srcColumnName) -> insertSql.append(targetColumnName).append(",")); .forEach((targetColumnName, srcColumnName) -> insertSql.append(targetColumnName).append(","));
@@ -209,7 +209,7 @@ public class RdbEtlService {
// 删除数据 // 删除数据
Map<String, Object> values = new LinkedHashMap<>(); Map<String, Object> values = new LinkedHashMap<>();
StringBuilder deleteSql = new StringBuilder( StringBuilder deleteSql = new StringBuilder(
"DELETE FROM " + SyncUtil.dbTable(dbMapping) + " WHERE "); "DELETE FROM " + SyncUtil.getDbTableName(dbMapping) + " WHERE ");
appendCondition(dbMapping, deleteSql, values, rs); appendCondition(dbMapping, deleteSql, values, rs);
try (PreparedStatement pstmt2 = connTarget.prepareStatement(deleteSql.toString())) { try (PreparedStatement pstmt2 = connTarget.prepareStatement(deleteSql.toString())) {
int k = 1; int k = 1;

38
client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/service/RdbMirrorDbSyncService.java
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@@ -1,20 +1,14 @@
package com.alibaba.otter.canal.client.adapter.rdb.service; package com.alibaba.otter.canal.client.adapter.rdb.service;
import java.io.StringWriter;
import java.sql.Connection; import java.sql.Connection;
import java.sql.Statement; import java.sql.Statement;
import java.util.LinkedHashMap;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import javax.sql.DataSource; import javax.sql.DataSource;
import com.alibaba.fastsql.sql.ast.SQLName;
import com.alibaba.fastsql.sql.ast.SQLStatement;
import com.alibaba.fastsql.sql.ast.statement.SQLExprTableSource;
import com.alibaba.fastsql.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.fastsql.sql.dialect.mysql.visitor.MySqlOutputVisitor;
import com.alibaba.fastsql.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
import com.alibaba.fastsql.sql.parser.SQLStatementParser;
import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
@@ -24,11 +18,14 @@ import com.alibaba.otter.canal.client.adapter.support.Dml;
public class RdbMirrorDbSyncService { public class RdbMirrorDbSyncService {
private static final Logger logger = LoggerFactory.getLogger(RdbMirrorDbSyncService.class); private static final Logger logger = LoggerFactory
.getLogger(RdbMirrorDbSyncService.class);
private Map<String, MappingConfig> mirrorDbConfigCache; // 镜像库配置 private Map<String, MappingConfig> mirrorDbConfigCache; // 镜像库配置
private DataSource dataSource; private DataSource dataSource;
private static Map<String, MappingConfig> tableDbConfigCache = new ConcurrentHashMap<>();
public RdbMirrorDbSyncService(Map<String, MappingConfig> mirrorDbConfigCache, DataSource dataSource, public RdbMirrorDbSyncService(Map<String, MappingConfig> mirrorDbConfigCache, DataSource dataSource,
Integer threads){ Integer threads){
this.mirrorDbConfigCache = mirrorDbConfigCache; this.mirrorDbConfigCache = mirrorDbConfigCache;
@@ -49,6 +46,29 @@ public class RdbMirrorDbSyncService {
} else { } else {
// DML // DML
// TODO // TODO
MappingConfig mappingConfig = tableDbConfigCache
.get(destination + "." + database + "." + dml.getTable());
if (mappingConfig == null) {
// 构造一个配置
mappingConfig = new MappingConfig();
mappingConfig.setDataSourceKey(configMap.getDataSourceKey());
mappingConfig.setDestination(configMap.getDestination());
mappingConfig.setOuterAdapterKey(configMap.getOuterAdapterKey());
mappingConfig.setConcurrent(configMap.getConcurrent());
MappingConfig.DbMapping dbMapping = new MappingConfig.DbMapping();
mappingConfig.setDbMapping(dbMapping);
dbMapping.setDatabase(dml.getDatabase());
dbMapping.setTable(dml.getTable());
dbMapping.setTargetDb(dml.getDatabase());
dbMapping.setTargetTable(dml.getTable());
dbMapping.setMapAll(true);
List<String> pkNames = dml.getPkNames();
Map<String, String> pkMapping = new LinkedHashMap<>();
pkNames.forEach(pkName -> pkMapping.put(pkName, pkName));
dbMapping.setTargetPk(pkMapping);
tableDbConfigCache.put(destination + "." + database + "." + dml.getTable(), mappingConfig);
}
} }
} }
} }

8
client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/service/RdbSyncService.java
View File

@@ -166,7 +166,7 @@ public class RdbSyncService {
Map<String, String> columnsMap = SyncUtil.getColumnsMap(dbMapping, data); Map<String, String> columnsMap = SyncUtil.getColumnsMap(dbMapping, data);
StringBuilder insertSql = new StringBuilder(); StringBuilder insertSql = new StringBuilder();
insertSql.append("INSERT INTO ").append(SyncUtil.dbTable(dbMapping)).append(" ("); insertSql.append("INSERT INTO ").append(SyncUtil.getDbTableName(dbMapping)).append(" (");
columnsMap.forEach((targetColumnName, srcColumnName) -> insertSql.append(targetColumnName).append(",")); columnsMap.forEach((targetColumnName, srcColumnName) -> insertSql.append(targetColumnName).append(","));
int len = insertSql.length(); int len = insertSql.length();
@@ -230,7 +230,7 @@ public class RdbSyncService {
Map<String, Integer> ctype = getTargetColumnType(batchExecutor.getConn(), config); Map<String, Integer> ctype = getTargetColumnType(batchExecutor.getConn(), config);
StringBuilder updateSql = new StringBuilder(); StringBuilder updateSql = new StringBuilder();
updateSql.append("UPDATE ").append(SyncUtil.dbTable(dbMapping)).append(" SET "); updateSql.append("UPDATE ").append(SyncUtil.getDbTableName(dbMapping)).append(" SET ");
List<Map<String, ?>> values = new ArrayList<>(); List<Map<String, ?>> values = new ArrayList<>();
for (String srcColumnName : old.keySet()) { for (String srcColumnName : old.keySet()) {
List<String> targetColumnNames = new ArrayList<>(); List<String> targetColumnNames = new ArrayList<>();
@@ -282,7 +282,7 @@ public class RdbSyncService {
Map<String, Integer> ctype = getTargetColumnType(batchExecutor.getConn(), config); Map<String, Integer> ctype = getTargetColumnType(batchExecutor.getConn(), config);
StringBuilder sql = new StringBuilder(); StringBuilder sql = new StringBuilder();
sql.append("DELETE FROM ").append(SyncUtil.dbTable(dbMapping)).append(" WHERE "); sql.append("DELETE FROM ").append(SyncUtil.getDbTableName(dbMapping)).append(" WHERE ");
List<Map<String, ?>> values = new ArrayList<>(); List<Map<String, ?>> values = new ArrayList<>();
// 拼接主键 // 拼接主键
@@ -315,7 +315,7 @@ public class RdbSyncService {
if (columnType == null) { if (columnType == null) {
columnType = new LinkedHashMap<>(); columnType = new LinkedHashMap<>();
final Map<String, Integer> columnTypeTmp = columnType; final Map<String, Integer> columnTypeTmp = columnType;
String sql = "SELECT * FROM " + SyncUtil.dbTable(dbMapping) + " WHERE 1=2"; String sql = "SELECT * FROM " + SyncUtil.getDbTableName(dbMapping) + " WHERE 1=2";
Util.sqlRS(conn, sql, rs -> { Util.sqlRS(conn, sql, rs -> {
try { try {
ResultSetMetaData rsd = rs.getMetaData(); ResultSetMetaData rsd = rs.getMetaData();

2
client-adapter/rdb/src/main/java/com/alibaba/otter/canal/client/adapter/rdb/support/SyncUtil.java
View File

@@ -255,7 +255,7 @@ public class SyncUtil {
} }
} }
public static String dbTable(MappingConfig.DbMapping dbMapping) { public static String getDbTableName(MappingConfig.DbMapping dbMapping) {
String result = ""; String result = "";
if (StringUtils.isNotEmpty(dbMapping.getTargetDb())) { if (StringUtils.isNotEmpty(dbMapping.getTargetDb())) {
result += dbMapping.getTargetDb() + "."; result += dbMapping.getTargetDb() + ".";

1
client-adapter/rdb/src/main/resources/rdb/mytest_user.yml
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@@ -6,7 +6,6 @@ dbMapping:
mirrorDb: true mirrorDb: true
database: mytest database: mytest
# table: user # table: user
targetDb: mytest2
# targetTable: mytest.tb_user # targetTable: mytest.tb_user
# targetPk: # targetPk:
# id: id # id: id

172
client-adapter/rdb/src/test/java/com/alibaba/otter/canal/client/adapter/rdb/test/SqlParserTest.java
View File

@@ -1,86 +1,86 @@
wpackage com.alibaba.otter.canal.client.adapter.rdb.test; //wpackage com.alibaba.otter.canal.client.adapter.rdb.test;
//
import com.alibaba.fastsql.sql.ast.SQLName; //import com.alibaba.fastsql.sql.ast.SQLName;
import com.alibaba.fastsql.sql.ast.SQLStatement; //import com.alibaba.fastsql.sql.ast.SQLStatement;
import com.alibaba.fastsql.sql.ast.statement.SQLCreateTableStatement; //import com.alibaba.fastsql.sql.ast.statement.SQLCreateTableStatement;
import com.alibaba.fastsql.sql.ast.statement.SQLExprTableSource; //import com.alibaba.fastsql.sql.ast.statement.SQLExprTableSource;
import com.alibaba.fastsql.sql.dialect.mysql.parser.MySqlCreateTableParser; //import com.alibaba.fastsql.sql.dialect.mysql.parser.MySqlCreateTableParser;
import com.alibaba.fastsql.sql.dialect.mysql.parser.MySqlStatementParser; //import com.alibaba.fastsql.sql.dialect.mysql.parser.MySqlStatementParser;
import com.alibaba.fastsql.sql.dialect.mysql.visitor.MySqlOutputVisitor; //import com.alibaba.fastsql.sql.dialect.mysql.visitor.MySqlOutputVisitor;
import com.alibaba.fastsql.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor; //import com.alibaba.fastsql.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
import com.alibaba.fastsql.sql.parser.SQLStatementParser; //import com.alibaba.fastsql.sql.parser.SQLStatementParser;
//
import java.io.StringWriter; //import java.io.StringWriter;
//
public class SqlParserTest { //public class SqlParserTest {
//
public static class TableNameVisitor extends MySqlOutputVisitor { // public static class TableNameVisitor extends MySqlOutputVisitor {
//
public TableNameVisitor(Appendable appender){ // public TableNameVisitor(Appendable appender){
super(appender); // super(appender);
} // }
//
@Override // @Override
public boolean visit(SQLExprTableSource x) { // public boolean visit(SQLExprTableSource x) {
SQLName table = (SQLName) x.getExpr(); // SQLName table = (SQLName) x.getExpr();
String tableName = table.getSimpleName(); // String tableName = table.getSimpleName();
//
// 改写tableName // // 改写tableName
print0("new_" + tableName.toUpperCase()); // print0("new_" + tableName.toUpperCase());
//
return true; // return true;
} // }
//
} // }
//
public static void main(String[] args) { // public static void main(String[] args) {
// String sql = "select * from `mytest`.`t` where id=1 and name=ming group by // // String sql = "select * from `mytest`.`t` where id=1 and name=ming group by
// uid limit 1,200 order by ctime"; // // uid limit 1,200 order by ctime";
//
String sql = "CREATE TABLE `mytest`.`user` (\n" + " `id` bigint(20) NOT NULL AUTO_INCREMENT,\n" // String sql = "CREATE TABLE `mytest`.`user` (\n" + " `id` bigint(20) NOT NULL AUTO_INCREMENT,\n"
+ " `name` varchar(30) NOT NULL,\n" + " `c_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,\n" // + " `name` varchar(30) NOT NULL,\n" + " `c_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,\n"
+ " `role_id` bigint(20) DEFAULT NULL,\n" + " `test1` text,\n" + " `test2` blob,\n" // + " `role_id` bigint(20) DEFAULT NULL,\n" + " `test1` text,\n" + " `test2` blob,\n"
+ " `key` varchar(30) DEFAULT NULL,\n" + " PRIMARY KEY (`id`)\n" // + " `key` varchar(30) DEFAULT NULL,\n" + " PRIMARY KEY (`id`)\n"
+ ") ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;"; // + ") ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;";
//
// // 新建 MySQL Parser // // // 新建 MySQL Parser
// SQLStatementParser parser = new MySqlStatementParser(sql); // // SQLStatementParser parser = new MySqlStatementParser(sql);
// // //
// // 使用Parser解析生成AST，这里SQLStatement就是AST // // // 使用Parser解析生成AST，这里SQLStatement就是AST
// SQLStatement sqlStatement = parser.parseStatement(); // // SQLStatement sqlStatement = parser.parseStatement();
// // //
// MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor(); // // MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
// sqlStatement.accept(visitor); // // sqlStatement.accept(visitor);
// // //
// System.out.println("getTables:" + visitor.getTables()); // // System.out.println("getTables:" + visitor.getTables());
// System.out.println("getParameters:" + visitor.getParameters()); // // System.out.println("getParameters:" + visitor.getParameters());
// System.out.println("getOrderByColumns:" + visitor.getOrderByColumns()); // // System.out.println("getOrderByColumns:" + visitor.getOrderByColumns());
// System.out.println("getGroupByColumns:" + visitor.getGroupByColumns()); // // System.out.println("getGroupByColumns:" + visitor.getGroupByColumns());
// System.out.println("---------------------------------------------------------------------------"); // // System.out.println("---------------------------------------------------------------------------");
// // //
// // 使用select访问者进行select的关键信息打印 // // // 使用select访问者进行select的关键信息打印
// // SelectPrintVisitor selectPrintVisitor = new SelectPrintVisitor(); // // // SelectPrintVisitor selectPrintVisitor = new SelectPrintVisitor();
// // sqlStatement.accept(selectPrintVisitor); // // // sqlStatement.accept(selectPrintVisitor);
// // //
// System.out.println("---------------------------------------------------------------------------"); // // System.out.println("---------------------------------------------------------------------------");
// // 最终sql输出 // // // 最终sql输出
// StringWriter out = new StringWriter(); // // StringWriter out = new StringWriter();
// TableNameVisitor outputVisitor = new TableNameVisitor(out); // // TableNameVisitor outputVisitor = new TableNameVisitor(out);
// sqlStatement.accept(outputVisitor); // // sqlStatement.accept(outputVisitor);
// System.out.println(out.toString()); // // System.out.println(out.toString());
//
MySqlCreateTableParser parser1 = new MySqlCreateTableParser(sql); // MySqlCreateTableParser parser1 = new MySqlCreateTableParser(sql);
SQLCreateTableStatement createTableStatement = parser1.parseCreateTable(); // SQLCreateTableStatement createTableStatement = parser1.parseCreateTable();
// MySqlSchemaStatVisitor visitor1 = new MySqlSchemaStatVisitor(); //// MySqlSchemaStatVisitor visitor1 = new MySqlSchemaStatVisitor();
// createTableStatement.accept(visitor1); //// createTableStatement.accept(visitor1);
// visitor1.getTables().forEach((k, v) -> { // // visitor1.getTables().forEach((k, v) -> {
// System.out.println(k.); // // System.out.println(k.);
// System.out.println(v); // // System.out.println(v);
// }); // // });
// 最终sql输出 // // 最终sql输出
StringWriter out = new StringWriter(); // StringWriter out = new StringWriter();
TableNameVisitor outputVisitor = new TableNameVisitor(out); // TableNameVisitor outputVisitor = new TableNameVisitor(out);
createTableStatement.accept(outputVisitor); // createTableStatement.accept(outputVisitor);
System.out.println(out.toString()); // System.out.println(out.toString());
} // }
} //}