问题是,对于动态排序依据子句,除了abap中的硬编码排序依据子句,是否还会触发其他任何检查。
我在abap中写了一条sql语句。该语句汇总特定年份的条目计数。然后,它根据条目的类型对计数进行分组。 之后,我尝试进行动态排序。出于某种原因,这会导致错误:“解析器产生了错误:包含IN_YEAR的表达式不是GROUP-BY表达式。”
问题在于,在对排序标准进行硬编码时,order-by子句起作用。当我尝试动态执行操作时,不会。
但是我必须动态地进行排序,因为稍后排序标准将通过oData(it_order)来自前端。
DATA: lv_cYear TYPE NUMC4,
lv_lYear TYPE NUMC4,
lv_2YearsAgo TYPE NUMC4,
lv_order_by TYPE string.
GET TIME.
lv_cYear = sy-datum+0(4).
LV_LYEAR = LV_CYEAR - 1.
LV_2YEARSAGO = LV_CYEAR - 2.
*later lv_order_by should be filled dynamically
lv_order_by = 'RRC2019 DESCENDING, RRC2018 DESCENDING'.
SELECT
type_name AS type,
SUM( CASE WHEN in_year eq @lv_cYear THEN record_count END ) AS RRC2019,
SUM( CASE WHEN in_year eq @lv_lyear THEN record_count END ) AS RRC2018,
SUM( CASE WHEN in_year eq @LV_2YEARSAGO THEN record_count END ) AS RRC2017
FROM entryTable
GROUP BY type_name
HAVING SUM( CASE WHEN in_year eq @lv_cYear THEN record_count END ) IN @ls_in_2019_range-select_options
AND SUM( CASE WHEN in_year eq @lv_lyear THEN record_count END ) IN @ls_in_2018_range-select_options
AND SUM( CASE WHEN in_year eq @LV_2YEARSAGO THEN record_count END ) IN @ls_in_2017_range-select_options
ORDER BY (lv_order_by)
INTO CORRESPONDING FIELDS OF TABLE @et_entityset.
如果尝试运行此错误,则会发生错误“解析器产生错误:包含IN_YEAR的表达式不是GROUP-BY表达式”。
如果将“ ORDER BY(lv_order_by)”替换为“ ORDER BY RRC2019 DESCENDING,RRC2018 DESCENDING”,则它起作用。
答案 0 :(得分:2)
答案 1 :(得分:1)
我只是让自己准备一个可编译的工作示例,它似乎与您所写的相反。我唯一更改的是INTO TABLE
或(在您的情况下)INTO CORRESPONDING FIELDS OF TABLE @et_entityset
的位置。
下面的示例编译没有问题,也不会生成任何运行时异常。
REPORT YYY.
DATA: lv_cYear TYPE NUMC4,
lv_lYear TYPE NUMC4,
lv_2YearsAgo TYPE NUMC4,
lv_order_by TYPE string,
ls_in_2019_range TYPE RANGE OF cosp-wtg001,
ls_in_2018_range TYPE RANGE OF cosp-wtg001,
ls_in_2017_range TYPE RANGE OF cosp-wtg001.
GET TIME.
lv_cYear = sy-datum+0(4).
LV_LYEAR = LV_CYEAR - 1.
LV_2YEARSAGO = LV_CYEAR - 2.
*later lv_order_by should be filled dynamically
lv_order_by = 'RRC2019 DESCENDING, RRC2018 DESCENDING'.
SELECT
lednr AS type,
SUM( CASE WHEN GJAHR eq @lv_cYear THEN wtg001 END ) AS RRC2019,
SUM( CASE WHEN GJAHR eq @lv_lyear THEN wtg001 END ) AS RRC2018,
SUM( CASE WHEN GJAHR eq @LV_2YEARSAGO THEN wtg001 END ) AS RRC2017
FROM cosp
INTO TABLE @DATA(et_entityset)
GROUP BY lednr
HAVING SUM( CASE WHEN gjahr eq @lv_cYear THEN wtg001 END ) IN @ls_in_2019_range
AND SUM( CASE WHEN gjahr eq @lv_lyear THEN wtg001 END ) IN @ls_in_2018_range
AND SUM( CASE WHEN gjahr eq @LV_2YEARSAGO THEN wtg001 END ) IN @ls_in_2017_range
ORDER BY (lv_order_by).
BREAK-POINT.
答案 2 :(得分:1)
以下是在所有最近的基于ABAP的系统上编译的示例(使用SAPBC_DATA_GENERATOR程序填充SFLIGHT表):
<link rel="schema.DCTERMS" href="http://purl.org/dc/terms/" />
<link rel="schema.DC" href="http://purl.org/dc/elements/1.1/" />
<meta name="DC.contributor" content="Confraria, João" />
<meta name="DC.contributor" content="Medeiros, Rui" />
<meta name="DC.creator" content="Lopes, Ana Margarida Balseiro de Sousa" />
<meta name="DCTERMS.dateAccepted" content="2014-07-21T09:41:57Z" scheme="DCTERMS.W3CDTF" />
<meta name="DCTERMS.available" content="2014-07-21T09:41:57Z" scheme="DCTERMS.W3CDTF" />
<meta name="DCTERMS.issued" content="01-04-2014" scheme="DCTERMS.W3CDTF" />
<meta name="DC.identifier" content="http://hdl.handle.net/10400.14/14915" scheme="DCTERMS.URI" />
<meta name="DC.language" content="por" xml:lang="por" scheme="DCTERMS.RFC1766" />
<meta name="DC.rights" content="openAccess" xml:lang="por" />
<meta name="DC.title" content="Falhas do estado na regulação das parcerias público-privadas no setor rodoviário" xml:lang="por" />
<meta name="DC.type" content="masterThesis" xml:lang="por" />
<meta name="DC.identifier" content="201343371" />
<meta name="DC.subject" content="Domínio/Área Científica::Ciências Sociais::Direito" />
在以下2个系统上,我重现了该行为(它与静态ORDER BY子句,与动态ORDER BY子句的简短转储一起工作):
毫无疑问,某个地方存在错误,但是我找不到SAP注释来纠正此问题。在SAP支持部门开票会更好。