ABAP Select data from SAP table /SAPSRM/S_CTR_HD_OVERVIEW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSRM/S_CTR_HD_OVERVIEW
*  INTO TABLE @DATA(IT_/SAPSRM/S_CTR_HD_OVERVIEW2).
*--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_/SAPSRM/S_CTR_HD_OVERVIEW INDEX 1 INTO DATA(WA_/SAPSRM/S_CTR_HD_OVERVIEW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSRM/S_CTR_HD_OVERVIEW>-VENDOR_FCT = 1.
</SAPSRM/S_CTR_HD_OVERVIEW>-RESPONSIBLE_FCT = 1.
</SAPSRM/S_CTR_HD_OVERVIEW>-AUTH_PURCH_ORG_FCT = 1.
</SAPSRM/S_CTR_HD_OVERVIEW>-OBJECT_ID = 1.
</SAPSRM/S_CTR_HD_OVERVIEW>-DESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSRM/S_CTR_HD_OVERVIEW-CURRENCY, sy-vline,
  WA_/SAPSRM/S_CTR_HD_OVERVIEW-PROCESS_TYPE, sy-vline,
  WA_/SAPSRM/S_CTR_HD_OVERVIEW-CREATED_BY, sy-vline,
  WA_/SAPSRM/S_CTR_HD_OVERVIEW-CREATED_AT, sy-vline,
  WA_/SAPSRM/S_CTR_HD_OVERVIEW-VPER_START, sy-vline,
  WA_/SAPSRM/S_CTR_HD_OVERVIEW-VPER_END, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSRM/S_CTR_HD_OVERVIEW 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_/SAPSRM/S_CTR_HD_OVERVIEW 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_/SAPSRM/S_CTR_HD_OVERVIEW INTO WA_/SAPSRM/S_CTR_HD_OVERVIEW.


*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 ALPHA, internal->external for field OBJECT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_CTR_HD_OVERVIEW-OBJECT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_CTR_HD_OVERVIEW-OBJECT_ID.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field AUTH_PURCH_ORG_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_CTR_HD_OVERVIEW-AUTH_PURCH_ORG_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_CTR_HD_OVERVIEW-AUTH_PURCH_ORG_ID.
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_/SAPSRM/S_CTR_HD_OVERVIEW_STR, 
VENDOR_FCT TYPE STRING,
RESPONSIBLE_FCT TYPE STRING,
AUTH_PURCH_ORG_FCT TYPE STRING,
OBJECT_ID TYPE STRING,
DESCRIPTION TYPE STRING,
CURRENCY TYPE STRING,
PROCESS_TYPE TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
VPER_START TYPE STRING,
VPER_END TYPE STRING,
EXPIRY_DAYS TYPE STRING,
TOTAL_VALUE TYPE STRING,
VAL_PO_E TYPE STRING,
TAR_HVAL TYPE STRING,
NO_ITEMS_ALLOWED TYPE STRING,
VAL_PO_E_AGG TYPE STRING,
PURCH_ORG TYPE STRING,
PURCH_GROUP TYPE STRING,
SENSITIVE TYPE STRING,
CATALOG_IND TYPE STRING,
INCOTERM_KEY TYPE STRING,
INCOTERM_LOC TYPE STRING,
PERCENT_HIGH TYPE STRING,
PERCENT_LOW TYPE STRING,
UNLIMITED TYPE STRING,
PURCH_ORG_DESC TYPE STRING,
PURCH_GROUP_DESC TYPE STRING,
PMNTTRMS TYPE STRING,
DELIV_DAYS TYPE STRING,
PMNTTRMS_TXT TYPE STRING,
PROCESS_TYPE_DESC TYPE STRING,
CURRENCY_DATE TYPE STRING,
VENDOR_ID TYPE STRING,
VENDOR_NAME TYPE STRING,
RESPONSIBLE_ID TYPE STRING,
RESPONSIBLE_NAME TYPE STRING,
AUTH_PURCH_ORG_ID TYPE STRING,
AUTH_PURCH_ORG_NAME TYPE STRING,
TOLERANCE TYPE STRING,
TOL_KEY TYPE STRING,
PERCENT_LOW TYPE STRING,
PERCENT_HIGH TYPE STRING,
UNLIMITED TYPE STRING,
DEL_IND TYPE STRING,
CREATED_ON TYPE STRING,
VENDOR_MODEL TYPE STRING,
RESPONSIBLE_MODEL TYPE STRING,
AUTH_PURCH_ORG_MODEL TYPE STRING,
GUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSRM/S_CTR_HD_OVERVIEW_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_/SAPSRM/S_CTR_HD_OVERVIEW_STR-VENDOR_FCT sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-RESPONSIBLE_FCT sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-AUTH_PURCH_ORG_FCT sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-OBJECT_ID sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-DESCRIPTION sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-CURRENCY sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PROCESS_TYPE sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-CREATED_BY sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-CREATED_AT sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-VPER_START sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-VPER_END sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-EXPIRY_DAYS sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-TOTAL_VALUE sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-VAL_PO_E sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-TAR_HVAL sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-NO_ITEMS_ALLOWED sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-VAL_PO_E_AGG sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PURCH_ORG sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PURCH_GROUP sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-SENSITIVE sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-CATALOG_IND sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-INCOTERM_KEY sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-INCOTERM_LOC sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PERCENT_HIGH sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PERCENT_LOW sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-UNLIMITED sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PURCH_ORG_DESC sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PURCH_GROUP_DESC sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PMNTTRMS sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-DELIV_DAYS sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PMNTTRMS_TXT sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PROCESS_TYPE_DESC sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-CURRENCY_DATE sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-VENDOR_ID sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-VENDOR_NAME sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-RESPONSIBLE_ID sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-RESPONSIBLE_NAME sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-AUTH_PURCH_ORG_ID sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-AUTH_PURCH_ORG_NAME sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-TOLERANCE sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-TOL_KEY sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PERCENT_LOW sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-PERCENT_HIGH sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-UNLIMITED sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-DEL_IND sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-CREATED_ON sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-VENDOR_MODEL sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-RESPONSIBLE_MODEL sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-AUTH_PURCH_ORG_MODEL sy-vline 
WA_/SAPSRM/S_CTR_HD_OVERVIEW_STR-GUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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