一个ABAP重构的实例:CL_CRM_LEAD_CREATE~SELECT_CAMPAIGNS_BY_SQL Created by Wang, Jerry, last modified on Nov 12, 2015 这段代码由两段非常复杂的SQL 查询语句组成。两段语句绝大部分都相同,除了下图的四处。从clean code角度出发,这是dplication。但是由于这里用
SAP ABAP 技能:SELECT、SELECT SINGLE 和 SELECT DISTINCT 最近开始接触一些BW历程的内容,就看到有有一部分SELECT关键词不同,但是功能类似,就想着整理一下。 SELECT 语句 SELECT 语句用于从一个数据源中查询符合条件的所有记录。...SELECT DISTINCT 语句 SELECT DISTINCT 语句用于从一个数据源中查询符合条件的所有不同...
SAP ABAP 技能:SELECT、SELECT SINGLE 和 SELECT DISTINCT SELECT DISTINCT 语句 SELECT DISTINCT 语句用于从一个数据源中查询符合条件的所有不同记录。查询结果会存储在一个内表中,可以通过 LOOP 语句遍历内表中的每一条记录。...SELECT DISTINCT 语句会去重,只返回不同的记录。...SELECT DISTINCT 语句可以使用 WHE...
Incorrect use of TO ONE in CDS views. The data in the database tables SCARR and SPFLI do not have the cardinality TO ONE and have the cardinality TO MANY instead. On a SAP HANA database, for example, the result is dependent on the SELECT list. If the left and right side are ...
WHERE carrid IN . lo_nd_node_spfli ->bind_table ( new_items = lt_node_spfli set_initial_elements = abap_true ) . ENDMETHOD . 6 Embed view 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18.
Join expressions bypass SAP buffering. Therefore they should not be applied to buffered tables. Instead it may be a good idea to use the addition FOR ALL ENTRIES in these cases, which can access the table buffer. If columns from the right side are specified as LEFT OUTER JOIN or columns...
Display ABAP web dynpro as an SAP Portal iView select New->iView. Step 3 - iView source type Select 'iView template - create an iView from an existing iView template' and press the next button Step 4 - iView template On the next screen selectiview中遇到的哪些坑 一:1.iview的input报错:...
I_AS_DROPDOWN = ABAP_TRUE "设置是否为下拉列表形式" I_VALUE_HELP_TYPE = IF_WD_VALUE_HELP_HANDLER=>CO_PREFIX_SEARCHHELP "其他详细PARAMETER可以通过 ADD_PARAMETER_FIELD 查看" ). ***设置 常用 选择屏幕元素 *** RT_RANGE_TABLE = WD_THIS->M_HANDLER->CREATE_RANGE_TABLE( I_TYPENAME = 'ZDOC...
_lt_mara. lo_nd_lt_mara = wd_context->get_child_node( name = wd_this->wdctx_lt_mara ). SELECT * INTO TABLE lt_lt_mara FROM mara WHERE matnr IN <fs_matnr> AND matkl IN <fs_matkl>. lo_nd_lt_mara->bind_table( new_items = lt_lt_mara set_initial_elements = abap_true )...
SAP Managed Tags: ABAP Development Some time ago I´ve written a small block Selecting One Row From a Database Table in order to explain the usage of SELECT SINGLE and SELECT UP TO 1 ROWS. Obviously, there are still discussions about this. OK, let´s derive some rules based on my...