def startQuery(self, event=None): analyzer =sqlAnalyzer( self.sqlInputEntry.get() ) analyzer.startAnalyze() parser = sqlParser(self.db, analyzer.getAttribList(), analyzer.getTableList(), analyzer.getConditionList() ) parser.startParse() resultCanvas = scrolledCanvas(self.resultWindow, 700, 500) resultCanvas.populate(parser.getResult())
if __name__ == "__main__":
''' do some unit test to make sure this is ok'''
sqlInput=[]
sqlInput.append("SELECT Dname, Sname FROM divinity D has_skill H skill S WHERE D.DID=H.DID and h.sid=s.sid and dname='michael'")
sqlInput.append("SELECT INAME, PRICE FROM IVENTORY I DIVINITY D HAS_EQUIP HE WHERE HE.DID=D.DID AND HE.IID=I.IID")
sqlInput.append("SELECT * FROM DIVINITY D WHERE D.DID IN (SELECT HS.DID FROM HAS_SKILL HS WHERE HS.SID IN (SELECT S.SID FROM SKILL S WHERE S.DAMAGE>=20))")
sqlInput.append("SELECT * FROM EMPLOYEE E, WORKS_ON W, project P WHERE Dno=5 and E.SSN=W.ESSN AND W.PNO=P.PNUMBER AND HOURS>10 AND Pname='ProductX' ")
db = DataBase.DataBase('DataBase.xml')
db.createTable()
table=db.getTable()
analyzer = sqlAnalyzer(sqlInput[2])
analyzer.startAnalyze()
print(analyzer.getAttribList())
print(analyzer.getTableList())
print(analyzer.getConditionList())
print('================================')
parser = sqlParser(db, analyzer.getAttribList(), analyzer.getTableList(), analyzer.getConditionList())
parser.startParse()
print( db.outputTable(parser.getResult()))
#check the list and table, first
"SELECT Dname, Sname FROM divinity D has_skill H skill S WHERE D.DID=H.DID and h.sid=s.sid and dname='michael'"
)
sqlInput.append(
"SELECT INAME, PRICE FROM IVENTORY I DIVINITY D HAS_EQUIP HE WHERE HE.DID=D.DID AND HE.IID=I.IID"
)
sqlInput.append(
"SELECT * FROM DIVINITY D WHERE D.DID IN (SELECT HS.DID FROM HAS_SKILL HS WHERE HS.SID IN (SELECT S.SID FROM SKILL S WHERE S.DAMAGE>=20))"
)
sqlInput.append(
"SELECT * FROM EMPLOYEE E, WORKS_ON W, project P WHERE Dno=5 and E.SSN=W.ESSN AND W.PNO=P.PNUMBER AND HOURS>10 AND Pname='ProductX' "
)
db = DataBase.DataBase('DataBase.xml')
db.createTable()
table = db.getTable()
analyzer = sqlAnalyzer(sqlInput[2])
analyzer.startAnalyze()
print(analyzer.getAttribList())
print(analyzer.getTableList())
print(analyzer.getConditionList())
print('================================')
parser = sqlParser(db, analyzer.getAttribList(), analyzer.getTableList(),
analyzer.getConditionList())
parser.startParse()
print(db.outputTable(parser.getResult()))
#check the list and table, first