ABAP Select data from SAP table CSUPINVITMACBLRS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSUPINVITMACBLRS
*  INTO TABLE @DATA(IT_CSUPINVITMACBLRS2).
*--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_CSUPINVITMACBLRS INDEX 1 INTO DATA(WA_CSUPINVITMACBLRS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSUPINVITMACBLRS>-MANDT = 1.
<CSUPINVITMACBLRS>-SUPPLIERINVOICE = 1.
<CSUPINVITMACBLRS>-FISCALYEAR = 1.
<CSUPINVITMACBLRS>-SUPPLIERINVOICEITEM = 1.
<CSUPINVITMACBLRS>-SUPLRINVCITMBLOCKINGREASON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSUPINVITMACBLRS-SUPLRINVCITMBLOCKINGREASONDESC, sy-vline,
  WA_CSUPINVITMACBLRS-CLEARINGDATE, sy-vline,
  WA_CSUPINVITMACBLRS-PAYMENTBLOCKINGREASON, sy-vline,
  WA_CSUPINVITMACBLRS-SUPLRINVCITEMHASPRICEVARIANCE, sy-vline,
  WA_CSUPINVITMACBLRS-SUPLRINVCITEMHASQTYVARIANCE, sy-vline,
  WA_CSUPINVITMACBLRS-SUPLRINVCITEMHASDATEVARIANCE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSUPINVITMACBLRS 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_CSUPINVITMACBLRS 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_CSUPINVITMACBLRS INTO WA_CSUPINVITMACBLRS.


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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CSUPINVITMACBLRS-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSUPINVITMACBLRS-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSUPINVITMACBLRS-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSUPINVITMACBLRS-SUPPLIER.
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_CSUPINVITMACBLRS_STR, 
MANDT TYPE STRING,
SUPPLIERINVOICE TYPE STRING,
FISCALYEAR TYPE STRING,
SUPPLIERINVOICEITEM TYPE STRING,
SUPLRINVCITMBLOCKINGREASON TYPE STRING,
SUPLRINVCITMBLOCKINGREASONDESC TYPE STRING,
CLEARINGDATE TYPE STRING,
PAYMENTBLOCKINGREASON TYPE STRING,
SUPLRINVCITEMHASPRICEVARIANCE TYPE STRING,
SUPLRINVCITEMHASQTYVARIANCE TYPE STRING,
SUPLRINVCITEMHASDATEVARIANCE TYPE STRING,
SUPLRINVCITEMHASORDPRCQTYVARC TYPE STRING,
SUPLRINVCITEMHASOTHERVARIANCE TYPE STRING,
SUPLRINVCITEMHASAMOUNTOUTSDTOL TYPE STRING,
SUPLRINVCITMHASQUALITYVARIANCE TYPE STRING,
PLANT TYPE STRING,
ISENDOFPURPOSEBLOCKED TYPE STRING,
SUPPLIER TYPE STRING,
COMPANYCODE TYPE STRING,
NUMBEROFLINES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSUPINVITMACBLRS_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_CSUPINVITMACBLRS_STR-MANDT sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPPLIERINVOICE sy-vline 
WA_CSUPINVITMACBLRS_STR-FISCALYEAR sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPPLIERINVOICEITEM sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPLRINVCITMBLOCKINGREASON sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPLRINVCITMBLOCKINGREASONDESC sy-vline 
WA_CSUPINVITMACBLRS_STR-CLEARINGDATE sy-vline 
WA_CSUPINVITMACBLRS_STR-PAYMENTBLOCKINGREASON sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPLRINVCITEMHASPRICEVARIANCE sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPLRINVCITEMHASQTYVARIANCE sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPLRINVCITEMHASDATEVARIANCE sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPLRINVCITEMHASORDPRCQTYVARC sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPLRINVCITEMHASOTHERVARIANCE sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPLRINVCITEMHASAMOUNTOUTSDTOL sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPLRINVCITMHASQUALITYVARIANCE sy-vline 
WA_CSUPINVITMACBLRS_STR-PLANT sy-vline 
WA_CSUPINVITMACBLRS_STR-ISENDOFPURPOSEBLOCKED sy-vline 
WA_CSUPINVITMACBLRS_STR-SUPPLIER sy-vline 
WA_CSUPINVITMACBLRS_STR-COMPANYCODE sy-vline 
WA_CSUPINVITMACBLRS_STR-NUMBEROFLINES sy-vline      INTO ld_text SEPARATED BY SPACE.

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