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danrega
2023-03-20 09:43:13 +01:00
parent f0200c859c
commit bc653258a9
7 changed files with 19 additions and 24 deletions

View File

@@ -28,8 +28,8 @@ define view entity zdemo_abap_cds_ve_assoc
// 1) One use case of assocations, which is not covered here, can be the use in the FROM clause.
// - That is, you can use an association as data source by specifying a path expression.
// - For example, the CDS view entity zdemo_abap_cds_ve_assoc_e exposes an association
// _carr_exp1. Therefore, a FROM clause as follows is possible:
// ... as select from zdemo_abap_cds_ve_assoc_e._carr_exp1 as _flsch ...
// _carr_exp. Therefore, a FROM clause as follows is possible:
// ... as select from zdemo_abap_cds_ve_assoc_e._carr_exp as _flsch ...
// 2) Adding fields of an association target to the element list (of the same CDS view entity)
// - In this case, since data is requested, a join is carried out.
@@ -141,4 +141,4 @@ define view entity zdemo_abap_cds_ve_assoc
// - Maximum values greater than 1 can lead to syntax errors or warnings. Generally, a non-matching cardinality
// usually produces a warning.
// - If the cardinality is not specified, it is to one by default [x..1].
// - Compositions and to-parent associations are special kinds of CDS associations. They are not covered in the example.
// - Compositions and to-parent associations are special kinds of CDS associations. See the ABAP Keyword Documentation.