ABAP Select data from SAP table /SAPAPO/CIF_RES_HEADX 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_RES_HEADX 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_RES_HEADX. 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_RES_HEADX 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_RES_HEADX TYPE STANDARD TABLE OF /SAPAPO/CIF_RES_HEADX,
      WA_/SAPAPO/CIF_RES_HEADX TYPE /SAPAPO/CIF_RES_HEADX,
      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_RES_HEADX> TYPE /SAPAPO/CIF_RES_HEADX.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/CIF_RES_HEADX
*  INTO TABLE @DATA(IT_/SAPAPO/CIF_RES_HEADX2).
*--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_RES_HEADX INDEX 1 INTO DATA(WA_/SAPAPO/CIF_RES_HEADX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CIF_RES_HEADX>-METHOD = 1.
</SAPAPO/CIF_RES_HEADX>-NAME = 1.
</SAPAPO/CIF_RES_HEADX>-UNIT = 1.
</SAPAPO/CIF_RES_HEADX>-RESTYPE = 1.
</SAPAPO/CIF_RES_HEADX>-EXT_LOCNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/CIF_RES_HEADX-LOCTYPE, sy-vline,
  WA_/SAPAPO/CIF_RES_HEADX-CALENDAR, sy-vline,
  WA_/SAPAPO/CIF_RES_HEADX-TYPE, sy-vline,
  WA_/SAPAPO/CIF_RES_HEADX-BEGTI, sy-vline,
  WA_/SAPAPO/CIF_RES_HEADX-ENDTI, sy-vline,
  WA_/SAPAPO/CIF_RES_HEADX-BREAKTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/CIF_RES_HEADX 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_RES_HEADX 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_RES_HEADX INTO WA_/SAPAPO/CIF_RES_HEADX.


*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_/SAPAPO/CIF_RES_HEADX_STR, 
METHOD TYPE STRING,
NAME TYPE STRING,
UNIT TYPE STRING,
RESTYPE TYPE STRING,
EXT_LOCNO TYPE STRING,
LOCTYPE TYPE STRING,
CALENDAR TYPE STRING,
TYPE TYPE STRING,
BEGTI TYPE STRING,
ENDTI TYPE STRING,
BREAKTIME TYPE STRING,
BUFFERTIME TYPE STRING,
BUFFERTIME_UNIT TYPE STRING,
NOINDIVRES TYPE STRING,
NOINDIVRES_UNIT TYPE STRING,
UTILIZATION TYPE STRING,
DIMENSION TYPE STRING,
CAPACITY_A TYPE STRING,
CAPACITY_A_UNIT TYPE STRING,
NUM_OF_PERIODS TYPE STRING,
PERIOD TYPE STRING,
PLANNER TYPE STRING,
VERSION_ACTIVE TYPE STRING,
FINITE_PLANNING TYPE STRING,
IS_BOTTLENECK TYPE STRING,
MIN_GAPS TYPE STRING,
OVERLOAD TYPE STRING,
OVERLAP_BUCKETS TYPE STRING,
START_ON_GRID TYPE STRING,
MIN_OVERLAP TYPE STRING,
MIN_OVERLAP_UNIT TYPE STRING,
MATRIX_NAME TYPE STRING,
REF_RESOURCE TYPE STRING,
R3ARBID TYPE STRING,
R3KAPID TYPE STRING,
R3REFID TYPE STRING,
R3REFARBID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/CIF_RES_HEADX_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_RES_HEADX_STR-METHOD sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-NAME sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-UNIT sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-RESTYPE sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-EXT_LOCNO sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-LOCTYPE sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-CALENDAR sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-TYPE sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-BEGTI sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-ENDTI sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-BREAKTIME sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-BUFFERTIME sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-BUFFERTIME_UNIT sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-NOINDIVRES sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-NOINDIVRES_UNIT sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-UTILIZATION sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-DIMENSION sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-CAPACITY_A sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-CAPACITY_A_UNIT sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-NUM_OF_PERIODS sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-PERIOD sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-PLANNER sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-VERSION_ACTIVE sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-FINITE_PLANNING sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-IS_BOTTLENECK sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-MIN_GAPS sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-OVERLOAD sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-OVERLAP_BUCKETS sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-START_ON_GRID sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-MIN_OVERLAP sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-MIN_OVERLAP_UNIT sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-MATRIX_NAME sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-REF_RESOURCE sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-R3ARBID sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-R3KAPID sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-R3REFID sy-vline 
WA_/SAPAPO/CIF_RES_HEADX_STR-R3REFARBID sy-vline      INTO ld_text SEPARATED BY SPACE.

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