ABAP Select data from SAP table /TMF/S_DETAIL_CNPJ into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /TMF/S_DETAIL_CNPJ table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to /TMF/S_DETAIL_CNPJ. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the /TMF/S_DETAIL_CNPJ table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_/TMF/S_DETAIL_CNPJ TYPE STANDARD TABLE OF /TMF/S_DETAIL_CNPJ,
      WA_/TMF/S_DETAIL_CNPJ TYPE /TMF/S_DETAIL_CNPJ,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: </TMF/S_DETAIL_CNPJ> TYPE /TMF/S_DETAIL_CNPJ.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/TMF/S_DETAIL_CNPJ.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /TMF/S_DETAIL_CNPJ
  INTO TABLE IT_/TMF/S_DETAIL_CNPJ.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /TMF/S_DETAIL_CNPJ
*  INTO TABLE @DATA(IT_/TMF/S_DETAIL_CNPJ2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_/TMF/S_DETAIL_CNPJ INDEX 1 INTO DATA(WA_/TMF/S_DETAIL_CNPJ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/TMF/S_DETAIL_CNPJ ASSIGNING </TMF/S_DETAIL_CNPJ>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</TMF/S_DETAIL_CNPJ>-MANDT = 1.
</TMF/S_DETAIL_CNPJ>-CNPJ = 1.
</TMF/S_DETAIL_CNPJ>-VIG_DE = 1.
</TMF/S_DETAIL_CNPJ>-VIG_ATE = 1.
</TMF/S_DETAIL_CNPJ>-DATA_CNPJ = 1.

ENDLOOP.

LOOP AT IT_/TMF/S_DETAIL_CNPJ INTO WA_/TMF/S_DETAIL_CNPJ.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/TMF/S_DETAIL_CNPJ-UF, sy-vline,
  WA_/TMF/S_DETAIL_CNPJ-COD_MUN, sy-vline,
  WA_/TMF/S_DETAIL_CNPJ-NOME, sy-vline,
  WA_/TMF/S_DETAIL_CNPJ-FANTASIA, sy-vline,
  WA_/TMF/S_DETAIL_CNPJ-CEP, sy-vline,
  WA_/TMF/S_DETAIL_CNPJ-ENDERECO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/TMF/S_DETAIL_CNPJ you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_/TMF/S_DETAIL_CNPJ TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_/TMF/S_DETAIL_CNPJ INTO WA_/TMF/S_DETAIL_CNPJ.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/TMF/S_DETAIL_CNPJ_STR, 
MANDT TYPE STRING,
CNPJ TYPE STRING,
VIG_DE TYPE STRING,
VIG_ATE TYPE STRING,
DATA_CNPJ TYPE STRING,
UF TYPE STRING,
COD_MUN TYPE STRING,
NOME TYPE STRING,
FANTASIA TYPE STRING,
CEP TYPE STRING,
ENDERECO TYPE STRING,
NUM TYPE STRING,
COMPL TYPE STRING,
BAIRRO TYPE STRING,
FONE TYPE STRING,
FAX TYPE STRING,
EMAIL TYPE STRING,
SIT_CAD TYPE STRING,
DATA_SIT_CAD TYPE STRING,
MOT_SIT_CAD TYPE STRING,
SIT_ESP TYPE STRING,
DATA_SIT_ESP TYPE STRING,
TIPO_CONTR TYPE STRING,
CNAE TYPE STRING,
NAT_JUR TYPE STRING,
OPERACAO TYPE STRING,
FILTERS TYPE STRING,
NIRE TYPE STRING,
NIRE_DAT TYPE STRING,
CNO TYPE STRING,
DESC_MUNICIPIO TYPE STRING,
COD_PAIS TYPE STRING,
IND_NAT_RET TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/TMF/S_DETAIL_CNPJ_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_/TMF/S_DETAIL_CNPJ_STR-MANDT sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-CNPJ sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-VIG_DE sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-VIG_ATE sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-DATA_CNPJ sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-UF sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-COD_MUN sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-NOME sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-FANTASIA sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-CEP sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-ENDERECO sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-NUM sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-COMPL sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-BAIRRO sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-FONE sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-FAX sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-EMAIL sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-SIT_CAD sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-DATA_SIT_CAD sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-MOT_SIT_CAD sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-SIT_ESP sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-DATA_SIT_ESP sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-TIPO_CONTR sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-CNAE sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-NAT_JUR sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-OPERACAO sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-FILTERS sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-NIRE sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-NIRE_DAT sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-CNO sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-DESC_MUNICIPIO sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-COD_PAIS sy-vline 
WA_/TMF/S_DETAIL_CNPJ_STR-IND_NAT_RET sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.