ABAP Select data from SAP table /SAPSRM/S_RFQ_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_RFQ_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_RFQ_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_RFQ_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_RFQ_HD_OVERVIEW TYPE STANDARD TABLE OF /SAPSRM/S_RFQ_HD_OVERVIEW,
      WA_/SAPSRM/S_RFQ_HD_OVERVIEW TYPE /SAPSRM/S_RFQ_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_RFQ_HD_OVERVIEW> TYPE /SAPSRM/S_RFQ_HD_OVERVIEW.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSRM/S_RFQ_HD_OVERVIEW
*  INTO TABLE @DATA(IT_/SAPSRM/S_RFQ_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_RFQ_HD_OVERVIEW INDEX 1 INTO DATA(WA_/SAPSRM/S_RFQ_HD_OVERVIEW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSRM/S_RFQ_HD_OVERVIEW>-GUID = 1.
</SAPSRM/S_RFQ_HD_OVERVIEW>-VERSION_TYPE = 1.
</SAPSRM/S_RFQ_HD_OVERVIEW>-ACTIVE_HEADER = 1.
</SAPSRM/S_RFQ_HD_OVERVIEW>-CHANGE_LOCK = 1.
</SAPSRM/S_RFQ_HD_OVERVIEW>-VERSION_NO = 1.

ENDLOOP.

LOOP AT IT_/SAPSRM/S_RFQ_HD_OVERVIEW INTO WA_/SAPSRM/S_RFQ_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_RFQ_HD_OVERVIEW-OBJECT_ID, sy-vline,
  WA_/SAPSRM/S_RFQ_HD_OVERVIEW-DESCRIPTION, sy-vline,
  WA_/SAPSRM/S_RFQ_HD_OVERVIEW-PROCESS_TYPE, sy-vline,
  WA_/SAPSRM/S_RFQ_HD_OVERVIEW-CATEGORY_ID, sy-vline,
  WA_/SAPSRM/S_RFQ_HD_OVERVIEW-BID_TYPE, sy-vline,
  WA_/SAPSRM/S_RFQ_HD_OVERVIEW-PROC_ORG_DESC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSRM/S_RFQ_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_RFQ_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_RFQ_HD_OVERVIEW INTO WA_/SAPSRM/S_RFQ_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_RFQ_HD_OVERVIEW-OBJECT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_RFQ_HD_OVERVIEW-OBJECT_ID.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field SH_LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_RFQ_HD_OVERVIEW-SH_LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_RFQ_HD_OVERVIEW-SH_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_/SAPSRM/S_RFQ_HD_OVERVIEW_STR, 
GUID TYPE STRING,
VERSION_TYPE TYPE STRING,
ACTIVE_HEADER TYPE STRING,
CHANGE_LOCK TYPE STRING,
VERSION_NO TYPE STRING,
OBJECT_ID TYPE STRING,
DESCRIPTION TYPE STRING,
PROCESS_TYPE TYPE STRING,
CATEGORY_ID TYPE STRING,
BID_TYPE TYPE STRING,
PROC_ORG_DESC TYPE STRING,
PROC_GROUP_DESC TYPE STRING,
START_TIME_DATE TYPE STRING,
START_TIME_TIME TYPE STRING,
QUOT_DEAD TYPE STRING,
QUOT_DEAD_TIME TYPE STRING,
OPEN_TIME_DATE TYPE STRING,
OPEN_TIME_TIME TYPE STRING,
BINDG_PER TYPE STRING,
VPER_START TYPE STRING,
VPER_END TYPE STRING,
TZONE TYPE STRING,
CURRENCY TYPE STRING,
USE_CONDITIONS TYPE STRING,
FOLLOW_ON_DOC_KEY TYPE STRING,
ITEM_CURR_IND TYPE STRING,
BID_CHG_ALLOWED TYPE STRING,
COMP_MULTI_BID TYPE STRING,
SHOW_WEIGH_IND TYPE STRING,
TOTAL_VALUE TYPE STRING,
ADD_ITEMS_IND TYPE STRING,
BID_ALL_ITMS_IND TYPE STRING,
EXPSV_ITEM_IND TYPE STRING,
FULL_QTY_IND TYPE STRING,
CO_CODE TYPE STRING,
LOGSYS_FI TYPE STRING,
EXT_DEM_LOGSYS TYPE STRING,
SH_LOGSYS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSRM/S_RFQ_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_RFQ_HD_OVERVIEW_STR-GUID sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-VERSION_TYPE sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-ACTIVE_HEADER sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-CHANGE_LOCK sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-VERSION_NO sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-OBJECT_ID sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-DESCRIPTION sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-PROCESS_TYPE sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-CATEGORY_ID sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-BID_TYPE sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-PROC_ORG_DESC sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-PROC_GROUP_DESC sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-START_TIME_DATE sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-START_TIME_TIME sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-QUOT_DEAD sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-QUOT_DEAD_TIME sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-OPEN_TIME_DATE sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-OPEN_TIME_TIME sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-BINDG_PER sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-VPER_START sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-VPER_END sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-TZONE sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-CURRENCY sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-USE_CONDITIONS sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-FOLLOW_ON_DOC_KEY sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-ITEM_CURR_IND sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-BID_CHG_ALLOWED sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-COMP_MULTI_BID sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-SHOW_WEIGH_IND sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-TOTAL_VALUE sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-ADD_ITEMS_IND sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-BID_ALL_ITMS_IND sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-EXPSV_ITEM_IND sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-FULL_QTY_IND sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-CO_CODE sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-LOGSYS_FI sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-EXT_DEM_LOGSYS sy-vline 
WA_/SAPSRM/S_RFQ_HD_OVERVIEW_STR-SH_LOGSYS sy-vline      INTO ld_text SEPARATED BY SPACE.

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