ABAP Select data from SAP table CEFDAPPROVAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CEFDAPPROVAL
*  INTO TABLE @DATA(IT_CEFDAPPROVAL2).
*--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_CEFDAPPROVAL INDEX 1 INTO DATA(WA_CEFDAPPROVAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CEFDAPPROVAL>-MANDT = 1.
<CEFDAPPROVAL>-EARMARKEDFUNDSDOCUMENT = 1.
<CEFDAPPROVAL>-COMPANYCODE = 1.
<CEFDAPPROVAL>-COMPANYCODENAME = 1.
<CEFDAPPROVAL>-FINANCIALMANAGEMENTAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CEFDAPPROVAL-CONTROLLINGAREA, sy-vline,
  WA_CEFDAPPROVAL-TRANSACTIONCURRENCY, sy-vline,
  WA_CEFDAPPROVAL-COMPANYCODECURRENCY, sy-vline,
  WA_CEFDAPPROVAL-EARMARKEDFUNDSDOCUMENTTYPE, sy-vline,
  WA_CEFDAPPROVAL-POSTINGDATE, sy-vline,
  WA_CEFDAPPROVAL-DOCUMENTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CEFDAPPROVAL 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_CEFDAPPROVAL 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_CEFDAPPROVAL INTO WA_CEFDAPPROVAL.


*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 EARMARKEDFUNDSDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEFDAPPROVAL-EARMARKEDFUNDSDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEFDAPPROVAL-EARMARKEDFUNDSDOCUMENT.
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_CEFDAPPROVAL_STR, 
MANDT TYPE STRING,
EARMARKEDFUNDSDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
FINANCIALMANAGEMENTAREA TYPE STRING,
CONTROLLINGAREA TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
EARMARKEDFUNDSDOCUMENTTYPE TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
EARMARKEDFUNDSDOCUMENTCATEGORY TYPE STRING,
EARMARKEDFUNDSDOCREFERENCE TYPE STRING,
EARMARKEDFUNDSHEADERTEXT TYPE STRING,
EARMARKEDFUNDSHASLONGTEXT TYPE STRING,
EMRKDFNDSTOTALINTRANSCRCY TYPE STRING,
EMRKDFNDSRELTOTALINTRANSCRCY TYPE STRING,
EMRKDFNDSOPENTOTALINTRANSCRCY TYPE STRING,
EMRKDFNDSCHGDTOTALINTRANSCRCY TYPE STRING,
EMRKDFNDSTOTALINCCCRCY TYPE STRING,
EMRKDFNDSRELTOTALINCCCRCY TYPE STRING,
EMRKDFNDSOPENTOTALINCCCRCY TYPE STRING,
EMRKDFNDSCHGDTOTALINCCCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CEFDAPPROVAL_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_CEFDAPPROVAL_STR-MANDT sy-vline 
WA_CEFDAPPROVAL_STR-EARMARKEDFUNDSDOCUMENT sy-vline 
WA_CEFDAPPROVAL_STR-COMPANYCODE sy-vline 
WA_CEFDAPPROVAL_STR-COMPANYCODENAME sy-vline 
WA_CEFDAPPROVAL_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_CEFDAPPROVAL_STR-CONTROLLINGAREA sy-vline 
WA_CEFDAPPROVAL_STR-TRANSACTIONCURRENCY sy-vline 
WA_CEFDAPPROVAL_STR-COMPANYCODECURRENCY sy-vline 
WA_CEFDAPPROVAL_STR-EARMARKEDFUNDSDOCUMENTTYPE sy-vline 
WA_CEFDAPPROVAL_STR-POSTINGDATE sy-vline 
WA_CEFDAPPROVAL_STR-DOCUMENTDATE sy-vline 
WA_CEFDAPPROVAL_STR-EARMARKEDFUNDSDOCUMENTCATEGORY sy-vline 
WA_CEFDAPPROVAL_STR-EARMARKEDFUNDSDOCREFERENCE sy-vline 
WA_CEFDAPPROVAL_STR-EARMARKEDFUNDSHEADERTEXT sy-vline 
WA_CEFDAPPROVAL_STR-EARMARKEDFUNDSHASLONGTEXT sy-vline 
WA_CEFDAPPROVAL_STR-EMRKDFNDSTOTALINTRANSCRCY sy-vline 
WA_CEFDAPPROVAL_STR-EMRKDFNDSRELTOTALINTRANSCRCY sy-vline 
WA_CEFDAPPROVAL_STR-EMRKDFNDSOPENTOTALINTRANSCRCY sy-vline 
WA_CEFDAPPROVAL_STR-EMRKDFNDSCHGDTOTALINTRANSCRCY sy-vline 
WA_CEFDAPPROVAL_STR-EMRKDFNDSTOTALINCCCRCY sy-vline 
WA_CEFDAPPROVAL_STR-EMRKDFNDSRELTOTALINCCCRCY sy-vline 
WA_CEFDAPPROVAL_STR-EMRKDFNDSOPENTOTALINCCCRCY sy-vline 
WA_CEFDAPPROVAL_STR-EMRKDFNDSCHGDTOTALINCCCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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