ABAP Select data from SAP table /SAPAPO/CIF_DELTA3_COMP_PO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/CIF_DELTA3_COMP_PO 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 /SAPAPO/CIF_DELTA3_COMP_PO. 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 /SAPAPO/CIF_DELTA3_COMP_PO 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_/SAPAPO/CIF_DELTA3_COMP_PO TYPE STANDARD TABLE OF /SAPAPO/CIF_DELTA3_COMP_PO,
      WA_/SAPAPO/CIF_DELTA3_COMP_PO TYPE /SAPAPO/CIF_DELTA3_COMP_PO,
      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: </SAPAPO/CIF_DELTA3_COMP_PO> TYPE /SAPAPO/CIF_DELTA3_COMP_PO.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPAPO/CIF_DELTA3_COMP_PO.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/CIF_DELTA3_COMP_PO
  INTO TABLE IT_/SAPAPO/CIF_DELTA3_COMP_PO.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/CIF_DELTA3_COMP_PO
*  INTO TABLE @DATA(IT_/SAPAPO/CIF_DELTA3_COMP_PO2).
*--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_/SAPAPO/CIF_DELTA3_COMP_PO INDEX 1 INTO DATA(WA_/SAPAPO/CIF_DELTA3_COMP_PO2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/CIF_DELTA3_COMP_PO ASSIGNING </SAPAPO/CIF_DELTA3_COMP_PO>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CIF_DELTA3_COMP_PO>-OBJECTTYPE = 1.
</SAPAPO/CIF_DELTA3_COMP_PO>-DOC = 1.
</SAPAPO/CIF_DELTA3_COMP_PO>-ITEM = 1.
</SAPAPO/CIF_DELTA3_COMP_PO>-SCHED = 1.
</SAPAPO/CIF_DELTA3_COMP_PO>-ORDID = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/CIF_DELTA3_COMP_PO INTO WA_/SAPAPO/CIF_DELTA3_COMP_PO.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/CIF_DELTA3_COMP_PO-SCHEDID, sy-vline,
  WA_/SAPAPO/CIF_DELTA3_COMP_PO-MATERIAL, sy-vline,
  WA_/SAPAPO/CIF_DELTA3_COMP_PO-PLANT, sy-vline,
  WA_/SAPAPO/CIF_DELTA3_COMP_PO-PROC_TYPE, sy-vline,
  WA_/SAPAPO/CIF_DELTA3_COMP_PO-SUBCO, sy-vline,
  WA_/SAPAPO/CIF_DELTA3_COMP_PO-CONSI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/CIF_DELTA3_COMP_PO 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_/SAPAPO/CIF_DELTA3_COMP_PO 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_/SAPAPO/CIF_DELTA3_COMP_PO INTO WA_/SAPAPO/CIF_DELTA3_COMP_PO.


*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.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CIF_DELTA3_COMP_PO-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CIF_DELTA3_COMP_PO-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITOFMEAS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CIF_DELTA3_COMP_PO-UNITOFMEAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CIF_DELTA3_COMP_PO-UNITOFMEAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field DELIVERY_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CIF_DELTA3_COMP_PO-DELIVERY_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CIF_DELTA3_COMP_PO-DELIVERY_DATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CIF_DELTA3_COMP_PO-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CIF_DELTA3_COMP_PO-LOGSYS.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_/SAPAPO/CIF_DELTA3_COMP_PO_STR, 
OBJECTTYPE TYPE STRING,
DOC TYPE STRING,
ITEM TYPE STRING,
SCHED TYPE STRING,
ORDID TYPE STRING,
SCHEDID TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
PROC_TYPE TYPE STRING,
SUBCO TYPE STRING,
CONSI TYPE STRING,
UNITOFMEAS TYPE STRING,
QUANTITY_IN TYPE STRING,
QUANTITY_OUT TYPE STRING,
DELIVERY_DATE TYPE STRING,
LOGSYS TYPE STRING,
RETURNFLAG TYPE STRING,
STORAGELOC_OUT TYPE STRING,
SUPPLIED_VENDOR TYPE STRING,
CUOBJ_ID TYPE STRING,
HAS_CHARACTS TYPE STRING,
CONF_QUANTITY_I TYPE STRING,
ADVCODE TYPE STRING,
PRIO_REQ TYPE STRING,
FIXMG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/CIF_DELTA3_COMP_PO_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_/SAPAPO/CIF_DELTA3_COMP_PO_STR-OBJECTTYPE sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-DOC sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-ITEM sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-SCHED sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-ORDID sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-SCHEDID sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-MATERIAL sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-PLANT sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-PROC_TYPE sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-SUBCO sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-CONSI sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-UNITOFMEAS sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-QUANTITY_IN sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-QUANTITY_OUT sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-DELIVERY_DATE sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-LOGSYS sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-RETURNFLAG sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-STORAGELOC_OUT sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-SUPPLIED_VENDOR sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-CUOBJ_ID sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-HAS_CHARACTS sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-CONF_QUANTITY_I sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-ADVCODE sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-PRIO_REQ sy-vline 
WA_/SAPAPO/CIF_DELTA3_COMP_PO_STR-FIXMG sy-vline      INTO ld_text SEPARATED BY SPACE.

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