Python ExpBQLPredRel示例

示例#1

 def p_bqlfn_predrel_hypothetical(self, cond0, constraints, col):
     return ast.ExpBQLPredRel(cond0, None, constraints, col)

示例#2

 def p_bqlfn_predrel_both(self, cond0, cond1, constraints, col):
     return ast.ExpBQLPredRel(cond0, cond1, constraints, col)

示例#3

 def p_bqlfn_predrel_existing(self, cond0, cond1, col):
     return ast.ExpBQLPredRel(cond0, cond1, None, col)