topic Deep structure having field name with '-' in Application Development and Automation Discussions

Deep structure having field name with '-'

johnmjd — Mon, 26 Jun 2023 15:38:53 GMT

Hi Guys,

I have a requirement to created deep structure (JSON to external system) like below :

Body: { "name" : "user id",

"email" : "email address",

"description" : "user display name",

"remote-name" : "id in the remote system",

"screen-reader" : "true/false",

"roles" : [ "role1", "role2", ...] }

SAP does not allow to '-' in the field name, I was able to create dynamic internal table with field names having '-' using cl_alv_table_create=>create_dynamic_table but not sure how create a deep structure to add "roles".

Please guide.

Thanks!

Re: Deep structure having field name with '-'

Sandra_Rossi — Mon, 26 Jun 2023 17:06:51 GMT

It's bad practice to use cl_alv_table_create=>create_dynamic_table as explained here: Alternative to CL_ALV_TABLE_CREATE=>CREATE_DYNAMIC_TABLE | SAP Blogs.

For information, dynamic variable creation should use RTTS, creating variables with "-" is supported only if CREATE is called with P_STRICT = abap_false.

Better use /UI2/CL_JSON. There's built-in dynamic creation (not sure how to handle both dynamic creation and names containing "-").

Re: Deep structure having field name with '-'

johnmjd — Mon, 26 Jun 2023 20:00:52 GMT

Thanks Sandra for your inputs.

I will able to create dynamic_table using RTTS with field name '-' and then added a similar code below to create a deep structure.

2.1 Creating the Deep strcuture field

DATA: lo_tab TYPE REF TO cl_abap_tabledescr.

lo_tab ?= cl_abap_typedescr=>describe_by_name( 'LVC_T_SCOL' ).

la_comp-name = 'COLOR_TAB'.

la_comp-type = lo_tab.

APPEND la_comp TO lt_tot_comp.

CLEAR: la_comp.

Re: Deep structure having field name with '-'

Sandra_Rossi — Tue, 27 Jun 2023 10:02:25 GMT

Just to complete my previous comment, these are the lines which I was referring to, in my blog post: https://github.com/sandraros/ZCL_ALV_TABLE_CREATE_RTTC/blob/4fe1113b091fe3b2b29114a3bb59bdbdb57765ef/src/zcl_alv_table_create_rttc.clas.abap#L392-L394:

        lp_struc_descr = cl_abap_structdescr=>create(
                          p_components = lt_comp
                          p_strict     = ' ' ).

As you can see, it's p_strict = ' ' so the class is ready for supporting names with a dash/hyphen.