ABAP Select data from SAP table CSISU_CSMLDOCID_BR_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CSISU_CSMLDOCID_BR_D 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 CSISU_CSMLDOCID_BR_D. 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 CSISU_CSMLDOCID_BR_D 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_CSISU_CSMLDOCID_BR_D TYPE STANDARD TABLE OF CSISU_CSMLDOCID_BR_D,
      WA_CSISU_CSMLDOCID_BR_D TYPE CSISU_CSMLDOCID_BR_D,
      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: <CSISU_CSMLDOCID_BR_D> TYPE CSISU_CSMLDOCID_BR_D.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CSISU_CSMLDOCID_BR_D
  INTO TABLE IT_CSISU_CSMLDOCID_BR_D.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSISU_CSMLDOCID_BR_D
*  INTO TABLE @DATA(IT_CSISU_CSMLDOCID_BR_D2).
*--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_CSISU_CSMLDOCID_BR_D INDEX 1 INTO DATA(WA_CSISU_CSMLDOCID_BR_D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CSISU_CSMLDOCID_BR_D ASSIGNING <CSISU_CSMLDOCID_BR_D>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSISU_CSMLDOCID_BR_D>-SCENARIOID = 1.
<CSISU_CSMLDOCID_BR_D>-UTILITIESBILLINGDOCUMENT = 1.
<CSISU_CSMLDOCID_BR_D>-ISU_BR_BILLINGORIGLPRINTDOC = 1.
<CSISU_CSMLDOCID_BR_D>-ISU_BR_BILLINGSIMULATEDPRNTDOC = 1.
<CSISU_CSMLDOCID_BR_D>-ISU_BR_SEQUENTIALITEMNUMBER = 1.

ENDLOOP.

LOOP AT IT_CSISU_CSMLDOCID_BR_D INTO WA_CSISU_CSMLDOCID_BR_D.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSISU_CSMLDOCID_BR_D-POSTINGDATE, sy-vline,
  WA_CSISU_CSMLDOCID_BR_D-UTILITIESINSTALLATION, sy-vline,
  WA_CSISU_CSMLDOCID_BR_D-UTILITIESCONTRACT, sy-vline,
  WA_CSISU_CSMLDOCID_BR_D-BUSINESSPARTNER, sy-vline,
  WA_CSISU_CSMLDOCID_BR_D-ISU_BR_BILLGPERIODSTARTDATE, sy-vline,
  WA_CSISU_CSMLDOCID_BR_D-ISU_BR_BILLINGPERIODENDDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSISU_CSMLDOCID_BR_D 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_CSISU_CSMLDOCID_BR_D 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_CSISU_CSMLDOCID_BR_D INTO WA_CSISU_CSMLDOCID_BR_D.


*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 SCENARIOID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSISU_CSMLDOCID_BR_D-SCENARIOID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSISU_CSMLDOCID_BR_D-SCENARIOID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CAPOSTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSISU_CSMLDOCID_BR_D-CAPOSTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSISU_CSMLDOCID_BR_D-CAPOSTINGDOCUMENT.
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_CSISU_CSMLDOCID_BR_D_STR, 
SCENARIOID TYPE STRING,
UTILITIESBILLINGDOCUMENT TYPE STRING,
ISU_BR_BILLINGORIGLPRINTDOC TYPE STRING,
ISU_BR_BILLINGSIMULATEDPRNTDOC TYPE STRING,
ISU_BR_SEQUENTIALITEMNUMBER TYPE STRING,
POSTINGDATE TYPE STRING,
UTILITIESINSTALLATION TYPE STRING,
UTILITIESCONTRACT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
ISU_BR_BILLGPERIODSTARTDATE TYPE STRING,
ISU_BR_BILLINGPERIODENDDAT TYPE STRING,
ISU_BR_BILLINGLINEFROM TYPE STRING,
ISU_BR_BILLGDOCLINEITMTYPEFROM TYPE STRING,
ISU_BR_TRANSACTIONKEYFROM TYPE STRING,
ISU_BR_BILLINGORIGLNETAMT TYPE STRING,
ISU_BR_BILLINGLINETO TYPE STRING,
ISU_BR_BILLGDOCLINEITMTYPETO TYPE STRING,
ISU_BR_TRANSACTIONKEYTO TYPE STRING,
ISU_BR_BILLINGSIMULATEDNETAMT TYPE STRING,
ISU_BR_BILLINGDIFFNETAMOUNT TYPE STRING,
STATUS TYPE STRING,
CAPOSTINGDOCUMENT TYPE STRING,
ISU_BR_CONTRACTACCTPOSTGSTATUS TYPE STRING,
ISU_BR_BILLINGPERIODENDDATE TYPE STRING,
ISU_BR_REJECTSTATUSDESCRIPTION TYPE STRING,
ISU_BR_COLOURSTATUS TYPE STRING,
ISU_BR_POSTSTATUSDESCRIPTION TYPE STRING,
PRESORTBILLINGLINEFROM TYPE STRING,
PRESORTBILLINGLINETO TYPE STRING,
ISU_BR_MAINTRANSACIONFROM TYPE STRING,
ISU_BR_MAINTRANSACIONTO TYPE STRING,
ISU_BR_SUBTRANSACTIONFROM TYPE STRING,
ISU_BR_SUBTRANSACTIONTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSISU_CSMLDOCID_BR_D_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_CSISU_CSMLDOCID_BR_D_STR-SCENARIOID sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-UTILITIESBILLINGDOCUMENT sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLINGORIGLPRINTDOC sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLINGSIMULATEDPRNTDOC sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_SEQUENTIALITEMNUMBER sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-POSTINGDATE sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-UTILITIESINSTALLATION sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-UTILITIESCONTRACT sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-BUSINESSPARTNER sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLGPERIODSTARTDATE sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLINGPERIODENDDAT sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLINGLINEFROM sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLGDOCLINEITMTYPEFROM sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_TRANSACTIONKEYFROM sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLINGORIGLNETAMT sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLINGLINETO sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLGDOCLINEITMTYPETO sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_TRANSACTIONKEYTO sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLINGSIMULATEDNETAMT sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLINGDIFFNETAMOUNT sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-STATUS sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-CAPOSTINGDOCUMENT sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_CONTRACTACCTPOSTGSTATUS sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_BILLINGPERIODENDDATE sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_REJECTSTATUSDESCRIPTION sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_COLOURSTATUS sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_POSTSTATUSDESCRIPTION sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-PRESORTBILLINGLINEFROM sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-PRESORTBILLINGLINETO sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_MAINTRANSACIONFROM sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_MAINTRANSACIONTO sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_SUBTRANSACTIONFROM sy-vline 
WA_CSISU_CSMLDOCID_BR_D_STR-ISU_BR_SUBTRANSACTIONTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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