def typeDef(self, name):
schema = Schema()
if self.lex.matchKeyword('int'):
self.lex.eatKeyword('int')
if self.checkPrimaryKey():
schema.setPrimaryKey(name)
schema.addField(name, {'type':'int','length': 0 })
else:
self.lex.eatKeyword('varchar')
self.lex.eatDelim('(')
num = self.lex.eatNum()
if num > self.maxVarcharLen or num <= 0:
raise RuntimeError('Invalid varchar length.')
self.lex.eatDelim(')')
if self.checkPrimaryKey():
schema.setPrimaryKey(name)
schema.addField(name, {'type':'char', 'length': num})
return schema
