干预形状计算子句

适用于：Access 2013、Office 2013

在参数化 Shape 命令中，在父和子之间嵌入一个或多个 COMPUTE 子句将是有效的，如下例所示：

 
SHAPE {select au_lname, state from authors} APPEND 
 ((SHAPE 
 (SHAPE 
 {select * from authors where state = ?} rs 
 COMPUTE rs, ANY(rs.state) state, ANY(rs.au_lname) au_lname 
 BY au_id) rs2 
 COMPUTE rs2, ANY(rs2.state) BY au_lname) 
RELATE state TO PARAMETER 0)