ABAP Select data from SAP table T71C5 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T71C5 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 T71C5. 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 T71C5 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_T71C5 TYPE STANDARD TABLE OF T71C5,
      WA_T71C5 TYPE T71C5,
      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: <T71C5> TYPE T71C5.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T71C5.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T71C5
  INTO TABLE IT_T71C5.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T71C5
*  INTO TABLE @DATA(IT_T71C52).
*--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_T71C5 INDEX 1 INTO DATA(WA_T71C52).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T71C5 ASSIGNING <T71C5>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T71C5>-MANDT = 1.
<T71C5>-ELIGR = 1.
<T71C5>-ELIGP = 1.
<T71C5>-ENDDA = 1.
<T71C5>-BEGDA = 1.

ENDLOOP.

LOOP AT IT_T71C5 INTO WA_T71C5.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T71C5-SRVIN, sy-vline,
  WA_T71C5-SRVNO, sy-vline,
  WA_T71C5-SRVPD, sy-vline,
  WA_T71C5-SRVMO, sy-vline,
  WA_T71C5-SRVDY, sy-vline,
  WA_T71C5-DATYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T71C5 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_T71C5 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_T71C5 INTO WA_T71C5.


*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_T71C5_STR, 
MANDT TYPE STRING,
ELIGR TYPE STRING,
ELIGP TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SRVIN TYPE STRING,
SRVNO TYPE STRING,
SRVPD TYPE STRING,
SRVMO TYPE STRING,
SRVDY TYPE STRING,
DATYP TYPE STRING,
WRKHR TYPE STRING,
WRKPD TYPE STRING,
GRDIN TYPE STRING,
GRDRL TYPE STRING,
TRFIN TYPE STRING,
TRFRL TYPE STRING,
JOBIN TYPE STRING,
JOBRL TYPE STRING,
SALIN TYPE STRING,
SALRL TYPE STRING,
PRFIN TYPE STRING,
PRFRL TYPE STRING,
VARIN TYPE STRING,
VARRL TYPE STRING,
QUGRP TYPE STRING,
QUERY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T71C5_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_T71C5_STR-MANDT sy-vline 
WA_T71C5_STR-ELIGR sy-vline 
WA_T71C5_STR-ELIGP sy-vline 
WA_T71C5_STR-ENDDA sy-vline 
WA_T71C5_STR-BEGDA sy-vline 
WA_T71C5_STR-SRVIN sy-vline 
WA_T71C5_STR-SRVNO sy-vline 
WA_T71C5_STR-SRVPD sy-vline 
WA_T71C5_STR-SRVMO sy-vline 
WA_T71C5_STR-SRVDY sy-vline 
WA_T71C5_STR-DATYP sy-vline 
WA_T71C5_STR-WRKHR sy-vline 
WA_T71C5_STR-WRKPD sy-vline 
WA_T71C5_STR-GRDIN sy-vline 
WA_T71C5_STR-GRDRL sy-vline 
WA_T71C5_STR-TRFIN sy-vline 
WA_T71C5_STR-TRFRL sy-vline 
WA_T71C5_STR-JOBIN sy-vline 
WA_T71C5_STR-JOBRL sy-vline 
WA_T71C5_STR-SALIN sy-vline 
WA_T71C5_STR-SALRL sy-vline 
WA_T71C5_STR-PRFIN sy-vline 
WA_T71C5_STR-PRFRL sy-vline 
WA_T71C5_STR-VARIN sy-vline 
WA_T71C5_STR-VARRL sy-vline 
WA_T71C5_STR-QUGRP sy-vline 
WA_T71C5_STR-QUERY sy-vline      INTO ld_text SEPARATED BY SPACE.

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