test file

DBMS/DBMS/create.txt

@@ -0,0 +1,17 @@
+CREATE DATABASE orderDB;
+USE orderDB;
+
+CREATE TABLE publisher (
+  id int(10) NOT NULL,
+  name varchar(100) NOT NULL,
+  nation varchar(3),
+  PRIMARY KEY  (id)
+);
+
+INSERT INTO publisher VALUES 
+ (100008,'Oxbow Books Limited','USA');
+ INSERT INTO publisher VALUES 
+ (100009,'Oxbow Books Limited','USA');
+DELETE FROM publisher WHERE id = 100008;
+UPDATE publisher SET nation = 'CNA' , name = 'wangqing' WHERE id = 100009;
+

DBMS/DBMS/dbManage.cpp

@@ -189,6 +189,10 @@ bool DBManager::deleteRecord(string tableName,BYTE **Value,string *colName,BYTE
 	SysObject* table = sysManager.findTable(tableName);
 	if (table == NULL)
 		return true;
+	vector<SysColumn*> sysColumns = sysManager.getTableAttr(tableName);
+	string* colNames = new string[sysColumns.size()];
+	for (int i = 0; i < sysColumns.size(); i++)
+		colNames[i] = sysColumns[i]->name;
 	TYPE_ID pageid = 0; 
 	Node* dataPage = readPage(table->id, pageid); 
 	TYPE_OFFSET recordLength = sysManager.getRecordLength(tableName);
@@ -226,6 +230,7 @@ bool DBManager::deleteRecord(string tableName,BYTE **Value,string *colName,BYTE
 			if (deleteFlag == true) {
 				cout << "delete onedata pageid: "  << pageid << "offset: " << offset << endl;
 				deleteData(table, pageid, offset*recordLength, recordLength);
+				printRecord(tableName,sysColumns.size(),colNames, offset,pageid);
 				//cout << "continue" << endl;
 			}
 		}

DBMS/DBMS/wq_parser.cpp

@@ -115,6 +115,9 @@ bool parser::parserOneCommand(vector<string> commands) {
 	}
 	return true;
 }
+bool parser::parserSelect(vector<string> commands){
+	return true;
+}
 bool parser::parserUpdate(vector<string> commands) {
 	cout<< "********************start parser update*************************" << endl;
 	//without condition, update all

DBMS/DBMS/wq_parser.h

@@ -40,6 +40,7 @@ class parser{
 	bool parserDesc(vector<string> commands);
 	bool parserDelete(vector<string> commands);
 	bool parserUpdate(vector<string> commands);
+	bool parserSelect(vector<string> commands);
 	bool parserShowTable(vector<string> commands);
 	bool parserCreateColumn(vector<string> columnInfo, tableColumn* columnInfos);
 	bool parserUse(vector<string> commands);