ABAP Select data from SAP table /PRA/S_INPUT_CONTRACT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PRA/S_INPUT_CONTRACT
*  INTO TABLE @DATA(IT_/PRA/S_INPUT_CONTRACT2).
*--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_/PRA/S_INPUT_CONTRACT INDEX 1 INTO DATA(WA_/PRA/S_INPUT_CONTRACT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PRA/S_INPUT_CONTRACT>-SENDER_TECHNICAL_ID = 1.
</PRA/S_INPUT_CONTRACT>-VBELN = 1.
</PRA/S_INPUT_CONTRACT>-AUDAT = 1.
</PRA/S_INPUT_CONTRACT>-WAERK = 1.
</PRA/S_INPUT_CONTRACT>-VKORG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PRA/S_INPUT_CONTRACT-VTWEG, sy-vline,
  WA_/PRA/S_INPUT_CONTRACT-SPART, sy-vline,
  WA_/PRA/S_INPUT_CONTRACT-GUEBG, sy-vline,
  WA_/PRA/S_INPUT_CONTRACT-GUEEN, sy-vline,
  WA_/PRA/S_INPUT_CONTRACT-KTEXT, sy-vline,
  WA_/PRA/S_INPUT_CONTRACT-BSTNK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PRA/S_INPUT_CONTRACT 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_/PRA/S_INPUT_CONTRACT 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_/PRA/S_INPUT_CONTRACT INTO WA_/PRA/S_INPUT_CONTRACT.


*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 VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PRA/S_INPUT_CONTRACT-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PRA/S_INPUT_CONTRACT-VBELN.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field OIU_GPLT_DOI_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PRA/S_INPUT_CONTRACT-OIU_GPLT_DOI_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PRA/S_INPUT_CONTRACT-OIU_GPLT_DOI_NO.
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_/PRA/S_INPUT_CONTRACT_STR, 
SENDER_TECHNICAL_ID TYPE STRING,
VBELN TYPE STRING,
AUDAT TYPE STRING,
WAERK TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
GUEBG TYPE STRING,
GUEEN TYPE STRING,
KTEXT TYPE STRING,
BSTNK TYPE STRING,
BSTDK TYPE STRING,
OIU_APPR_DT TYPE STRING,
KUNNR TYPE STRING,
BUKRS_VF TYPE STRING,
PRSDT TYPE STRING,
OIU_CT_TYPE_CD TYPE STRING,
OIU_APPR_FL TYPE STRING,
OIU_AFFIL_FL TYPE STRING,
OIU_STD_CT_FL TYPE STRING,
OIU_PREV_CT_NO TYPE STRING,
OIU_EXEC_DT TYPE STRING,
OIU_MK_REP_NO TYPE STRING,
OIU_CUST_VEND_CD TYPE STRING,
OIU_MK_REP_ISQ TYPE STRING,
OIU_GPLT_COMPANY TYPE STRING,
OIU_GPLT_VNAME TYPE STRING,
OIU_GPLT_DOI_NO TYPE STRING,
OIU_SPOT_TERM_CD TYPE STRING,
OIU_DEST_SALE_CD TYPE STRING,
OIU_INTRA_INTER TYPE STRING,
OIU_EXRES_SPLT TYPE STRING,
OIU_PYMT_METH_CD TYPE STRING,
OIU_STNDEDQ_CD TYPE STRING,
OIU_MMS_TYPE_CD TYPE STRING,
OIU_MMS_ETPAY_FL TYPE STRING,
OIU_IOTR_FL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PRA/S_INPUT_CONTRACT_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_/PRA/S_INPUT_CONTRACT_STR-SENDER_TECHNICAL_ID sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-VBELN sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-AUDAT sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-WAERK sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-VKORG sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-VTWEG sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-SPART sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-GUEBG sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-GUEEN sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-KTEXT sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-BSTNK sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-BSTDK sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_APPR_DT sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-KUNNR sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-BUKRS_VF sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-PRSDT sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_CT_TYPE_CD sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_APPR_FL sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_AFFIL_FL sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_STD_CT_FL sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_PREV_CT_NO sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_EXEC_DT sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_MK_REP_NO sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_CUST_VEND_CD sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_MK_REP_ISQ sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_GPLT_COMPANY sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_GPLT_VNAME sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_GPLT_DOI_NO sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_SPOT_TERM_CD sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_DEST_SALE_CD sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_INTRA_INTER sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_EXRES_SPLT sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_PYMT_METH_CD sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_STNDEDQ_CD sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_MMS_TYPE_CD sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_MMS_ETPAY_FL sy-vline 
WA_/PRA/S_INPUT_CONTRACT_STR-OIU_IOTR_FL sy-vline      INTO ld_text SEPARATED BY SPACE.

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