运行时会抛出GETWA_NOT_ASSIGNED错误:Field symbol has not yet been assigned. 也就是说,无论是读取field symbol具体的内容,还是检测其内容是否为初始值,为了避免GETWA_NOT_ASSIGNED错误,我们必须在IS INITIAL判断之前,使用IS ASSIGNED判断field symbol是否被分配了内存区域。 是否存在一个NOT BOUND, IS INITIAL但是却...
ABAP里的IS BOUND, IS NOT INITIAL和IS ASSIGNED这组关键字,如果平时不留心,很容易理解地似是而非。今天我们就来说一说它们的区别。 先把SAP帮助文档抄过来: IS BOUND It checks whether a reference variable …
initial 是初始值得意思,就是判断变量是否为初始值,变量是不同的数据类型初始值也不一样,不一定是空. 比如如果变量是日期类型,它初始值就有可能是 ‘00000000’. 改变日期类型为’0000’,满足space条件但是不满足is initial。会发生错误 所以在判断变量是否为初始值的时候应该用is initial SPACE 是什么 空白...
IF sy-subrc EQ 0 AND NOT lv_string CS INITIAL. WRITE: 'String is not empty'. ELSE. WRITE: 'String is empty'. ENDIF. 在这个例子中,使用NOT操作符将INITIAL关键字与字段lv_string结合使用,表示判断lv_string字段是否为空。 总之,INITIAL是SAP ABAP中的一个关键字,用于表达变量或字段的初始值,并且可...
以下是`IS INITIAL`的一些用法: 1.检查单个变量是否为初始值: ```abap DATA lv_variable TYPE i. IF lv_variable IS INITIAL. "变量lv_variable是初始值 ELSE. "变量lv_variable不是初始值 ENDIF. ``` 2.检查结构体或表是否为初始值: ```abap DATA lt_table TYPE TABLE OF i WITH DEFAULT KEY. DATA...
initial 是初始值得意思，就是判断变量是否为初始值，变量是不同的数据类型初始值也不一样，不一定是空，比如如果变量是日期类型，它初始值就有可能是‘00000000’.判断
SAP Managed Tags: SAP Process Integration I have developed a ABAP Mapping to convert IDOC - XML to Flat file. I have copied the standard function module SOTR_SERV_TABLE_TO_STRING and have modified it. The standard function module does not have any exception defined in it. How can I ...
When using the addition NOT, the expression is true if the reference variable does not contain a valid reference. In this case the reference variable is either initial and contains the null reference, or it is not initial and contains an invalid reference that does not point to an object. ...
SAP Managed Tags: ABAP Development, ABAP RESTful Application Programming Model Hello Experts, Is editing the key field values of a table are not controlled in ABAP restful programming ? I have a managed application and in my table there are three key fields . So when the user clicks on ...
Step 1:– Enter transaction code “SMARTFORMS” in the sap command field and enter. Step 2:– On the initial screen, update name of a new form. Step 3: – In form attributes under global settings, Update the description of smart form. ...