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danrega
2024-02-08 11:41:39 +01:00
parent 7a931a1dc1
commit 8e2bfd7392
4 changed files with 115 additions and 98 deletions
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06_Dynamic_Programming.md
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@@ -1870,7 +1870,7 @@ DATA(struc_components_tab) = ref_structdescr1->get_components( ).
"-----------------------------------------------------------------------
DATA ref_tabledescr1 TYPE REF TO cl_abap_tabledescr.
ref_tabledescr1 = CAST #( tdo_by_name_itab ).
"Cast with inline declaration (for a change)
"Cast with inline declaration
DATA(ref_tabledescr2) = CAST cl_abap_tabledescr( tdo_by_name_itab ).
"Another internal table as an example
@@ -1879,7 +1879,7 @@ DATA(ref_tabledescr3) = CAST cl_abap_tabledescr( cl_abap_typedescr=>describe_by_
DATA(itab_table_kind) = ref_tabledescr3->table_kind. "O (sorted table)
DATA(itab_has_unique_key) = ref_tabledescr3->has_unique_key. "has the value abap_true
"Returns a table with the names internal table keys
"Returns a table with the names of internal table keys
DATA(itab_table_key) = ref_tabledescr3->key. "carrid
"Returns a table with a description of all table keys, e.g.
"all components of a key, key kind (U, unique, in the example case),
@@ -1888,9 +1888,9 @@ DATA(itab_keys) = ref_tabledescr3->get_keys( ).
"If you want to get information about the line type, e.g. finding out about
"the component names, another cast is required.
"First, getting a reference to the type description object for the structured type.
DATA(itab_comp_ref) = ref_tabledescr3->get_table_line_type( ).
DATA(itab_line_type) = ref_tabledescr3->get_table_line_type( ).
"Then, performing a cast to access the component information as shown above.
DATA(itab_line_info) = CAST cl_abap_structdescr( itab_comp_ref ).
DATA(itab_line_info) = CAST cl_abap_structdescr( itab_line_type ).
DATA(itab_comps1) = itab_line_info->components.
DATA(itab_comps2) = itab_line_info->get_components( ).
@@ -2023,7 +2023,7 @@ DATA(tdo_elem_string) = cl_abap_elemdescr=>get_string( ).
"For the length specification of type c and others, there is
"an importing parameter available.
DATA(tdo_elem_c_l20) = cl_abap_elemdescr=>get_c( 10 ).
DATA(tdo_elem_c_l20) = cl_abap_elemdescr=>get_c( 20 ).
"Type p with two parameters to be specified.
DATA(tdo_elem_p) = cl_abap_elemdescr=>get_p( p_length = 3
@@ -2128,7 +2128,7 @@ DATA dref_cr TYPE REF TO data.
"Elementary data object
"Type description object for an elementary type
DATA(tdo_elem_c_l20) = cl_abap_elemdescr=>get_c( 10 ).
DATA(tdo_elem_c_l20) = cl_abap_elemdescr=>get_c( 20 ).
"Creating an elementary data object based on a type description object
CREATE DATA dref_cr TYPE HANDLE tdo_elem_c_l20.