F11查询过程:
1)WHEN-CLEAR-BLOCK2)WHEN-NEW-RECORD-INSTANCE
3)WHEN-NEW-ITEM-INSTANCE
在输入查询条件后点CTRL+F11:
4)PRE-QUERY
Provide additional query criteria programmatically, just before sending the SELECT statement to the database.
If :parameter.G_query_find = 'TRUE' then
:trans_reasons.reason_id := :parameter.trans_reasons_qf;
:parameter.G_query_find := 'FALSE';
end if;
5)WHEN-CLEAR-BLOCK
6)POST-QUERY
Perform an action after fetching a record, such as looking up values in other tables based on a value in the current record. Fires once for each record fetched into the block.
7)WHEN-NEW-RECORD-INSTANCE
8)WHEN-NEW-ITEM-INSTANCE
F11查询过程解析
本文详细介绍了使用F11快捷键进行查询的过程,包括从WHEN-CLEAR-BLOCK到WHEN-NEW-ITEM-INSTANCE的各个阶段,并解释了如何在PRE-QUERY阶段通过编程方式提供额外的查询标准,以及POST-QUERY阶段如何根据查询结果执行进一步操作。
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