ABAP Select data from SAP table CPES_TIER_INTFX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPES_TIER_INTFX
*  INTO TABLE @DATA(IT_CPES_TIER_INTFX2).
*--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_CPES_TIER_INTFX INDEX 1 INTO DATA(WA_CPES_TIER_INTFX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPES_TIER_INTFX>-KNUMV = 1.
<CPES_TIER_INTFX>-KPOSN = 1.
<CPES_TIER_INTFX>-COND_TYPE = 1.
<CPES_TIER_INTFX>-TERM_SEQNO = 1.
<CPES_TIER_INTFX>-TERMNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPES_TIER_INTFX-TIER_SEQNO, sy-vline,
  WA_CPES_TIER_INTFX-TIERNO, sy-vline,
  WA_CPES_TIER_INTFX-TERMID, sy-vline,
  WA_CPES_TIER_INTFX-DATE_FROM, sy-vline,
  WA_CPES_TIER_INTFX-DATE_TO, sy-vline,
  WA_CPES_TIER_INTFX-QTY_TO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPES_TIER_INTFX 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_CPES_TIER_INTFX 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_CPES_TIER_INTFX INTO WA_CPES_TIER_INTFX.


*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_CPES_TIER_INTFX_STR, 
KNUMV TYPE STRING,
KPOSN TYPE STRING,
COND_TYPE TYPE STRING,
TERM_SEQNO TYPE STRING,
TERMNO TYPE STRING,
TIER_SEQNO TYPE STRING,
TIERNO TYPE STRING,
TERMID TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
QTY_TO TYPE STRING,
UOM TYPE STRING,
TERMCOMMQUAN TYPE STRING,
UPDATEFLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPES_TIER_INTFX_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_CPES_TIER_INTFX_STR-KNUMV sy-vline 
WA_CPES_TIER_INTFX_STR-KPOSN sy-vline 
WA_CPES_TIER_INTFX_STR-COND_TYPE sy-vline 
WA_CPES_TIER_INTFX_STR-TERM_SEQNO sy-vline 
WA_CPES_TIER_INTFX_STR-TERMNO sy-vline 
WA_CPES_TIER_INTFX_STR-TIER_SEQNO sy-vline 
WA_CPES_TIER_INTFX_STR-TIERNO sy-vline 
WA_CPES_TIER_INTFX_STR-TERMID sy-vline 
WA_CPES_TIER_INTFX_STR-DATE_FROM sy-vline 
WA_CPES_TIER_INTFX_STR-DATE_TO sy-vline 
WA_CPES_TIER_INTFX_STR-QTY_TO sy-vline 
WA_CPES_TIER_INTFX_STR-UOM sy-vline 
WA_CPES_TIER_INTFX_STR-TERMCOMMQUAN sy-vline 
WA_CPES_TIER_INTFX_STR-UPDATEFLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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