Merge pull request #734 from qmz/master

add create database support

parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/ddl/DruidDdlParser.java

@@ -9,31 +9,13 @@ import com.alibaba.fastsql.sql.ast.SQLExpr;
 import com.alibaba.fastsql.sql.ast.SQLStatement;
 import com.alibaba.fastsql.sql.ast.expr.SQLIdentifierExpr;
 import com.alibaba.fastsql.sql.ast.expr.SQLPropertyExpr;
-import com.alibaba.fastsql.sql.ast.statement.SQLAlterTableAddConstraint;
-import com.alibaba.fastsql.sql.ast.statement.SQLAlterTableAddIndex;
-import com.alibaba.fastsql.sql.ast.statement.SQLAlterTableDropConstraint;
-import com.alibaba.fastsql.sql.ast.statement.SQLAlterTableDropIndex;
-import com.alibaba.fastsql.sql.ast.statement.SQLAlterTableDropKey;
-import com.alibaba.fastsql.sql.ast.statement.SQLAlterTableItem;
-import com.alibaba.fastsql.sql.ast.statement.SQLAlterTableRename;
-import com.alibaba.fastsql.sql.ast.statement.SQLAlterTableStatement;
-import com.alibaba.fastsql.sql.ast.statement.SQLConstraint;
-import com.alibaba.fastsql.sql.ast.statement.SQLCreateIndexStatement;
-import com.alibaba.fastsql.sql.ast.statement.SQLCreateTableStatement;
-import com.alibaba.fastsql.sql.ast.statement.SQLDeleteStatement;
-import com.alibaba.fastsql.sql.ast.statement.SQLDropIndexStatement;
-import com.alibaba.fastsql.sql.ast.statement.SQLDropTableStatement;
-import com.alibaba.fastsql.sql.ast.statement.SQLExprTableSource;
-import com.alibaba.fastsql.sql.ast.statement.SQLInsertStatement;
-import com.alibaba.fastsql.sql.ast.statement.SQLTableSource;
-import com.alibaba.fastsql.sql.ast.statement.SQLTruncateStatement;
-import com.alibaba.fastsql.sql.ast.statement.SQLUnique;
-import com.alibaba.fastsql.sql.ast.statement.SQLUpdateStatement;
+import com.alibaba.fastsql.sql.ast.statement.*;
 import com.alibaba.fastsql.sql.dialect.mysql.ast.statement.MySqlRenameTableStatement;
 import com.alibaba.fastsql.sql.dialect.mysql.ast.statement.MySqlRenameTableStatement.Item;
 import com.alibaba.fastsql.sql.parser.ParserException;
 import com.alibaba.fastsql.util.JdbcConstants;
 import com.alibaba.otter.canal.protocol.CanalEntry.EventType;
+import org.apache.commons.lang.StringUtils;
 
 /**
  * @author agapple 2017年7月27日 下午4:05:34
@@ -157,6 +139,17 @@ public class DruidDdlParser {
                 processName(ddlResult, schmeaName, delete.getTableName(), false);
                 ddlResult.setType(EventType.DELETE);
                 ddlResults.add(ddlResult);
+            } else if (statement instanceof SQLCreateDatabaseStatement){
+                DdlResult ddlResult = new DdlResult();
+                ddlResult.setType(EventType.QUERY);
+                //只设置schema
+                processName(ddlResult,schmeaName,null,false);
+                ddlResults.add(ddlResult);
+            } else if(statement instanceof SQLDropDatabaseStatement){
+                DdlResult ddlResult = new DdlResult();
+                ddlResult.setType(EventType.QUERY);
+                //只设置schema
+                processName(ddlResult,schmeaName,null,false);
             }
         }
 
@@ -165,6 +158,9 @@ public class DruidDdlParser {
 
     private static void processName(DdlResult ddlResult, String schema, SQLExpr sqlName, boolean isOri) {
         if (sqlName == null) {
+            if (StringUtils.isNotBlank(schema)){
+                ddlResult.setSchemaName(schema);
+            }
             return;
         }