ABAP Select data from SAP table ACAPRVDRCONTRH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACAPRVDRCONTRH
*  INTO TABLE @DATA(IT_ACAPRVDRCONTRH2).
*--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_ACAPRVDRCONTRH INDEX 1 INTO DATA(WA_ACAPRVDRCONTRH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACAPRVDRCONTRH>-MANDT = 1.
<ACAPRVDRCONTRH>-CAPROVIDERCONTRACT = 1.
<ACAPRVDRCONTRH>-BUSINESSPARTNER = 1.
<ACAPRVDRCONTRH>-CREATIONDATE = 1.
<ACAPRVDRCONTRH>-CREATIONTIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACAPRVDRCONTRH-CREATEDBYUSER, sy-vline,
  WA_ACAPRVDRCONTRH-ISMARKEDFORDELETION, sy-vline,
  WA_ACAPRVDRCONTRH-LASTCHANGEDATE, sy-vline,
  WA_ACAPRVDRCONTRH-LASTCHANGETIME, sy-vline,
  WA_ACAPRVDRCONTRH-LASTCHANGEDBYUSER, sy-vline,
  WA_ACAPRVDRCONTRH-CAPROVIDERCONTRACTNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACAPRVDRCONTRH 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_ACAPRVDRCONTRH 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_ACAPRVDRCONTRH INTO WA_ACAPRVDRCONTRH.


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

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

*Conversion exit ALPHA, internal->external for field CAPROVIDERCONTRACTEXTREFERENCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACAPRVDRCONTRH-CAPROVIDERCONTRACTEXTREFERENCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACAPRVDRCONTRH-CAPROVIDERCONTRACTEXTREFERENCE.
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_ACAPRVDRCONTRH_STR, 
MANDT TYPE STRING,
CAPROVIDERCONTRACT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CAPROVIDERCONTRACTNAME TYPE STRING,
CAPROVIDERCONTRACTEXTREFERENCE TYPE STRING,
CAPRVDRCONTRSTARTDATETIME TYPE STRING,
CAPRVDRCONTRENDDATETIME TYPE STRING,
CAAUTHORIZATIONGROUP TYPE STRING,
COMPANYCODE TYPE STRING,
TIMEZONEID TYPE STRING,
CAPROVIDERCONTRACTCATEGORY TYPE STRING,
CAPROVIDERCONTRACTMIGRTNSTATUS TYPE STRING,
CAPROVIDERCONTRACTTYPE TYPE STRING,
CAPROVIDERCONTRACTSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACAPRVDRCONTRH_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_ACAPRVDRCONTRH_STR-MANDT sy-vline 
WA_ACAPRVDRCONTRH_STR-CAPROVIDERCONTRACT sy-vline 
WA_ACAPRVDRCONTRH_STR-BUSINESSPARTNER sy-vline 
WA_ACAPRVDRCONTRH_STR-CREATIONDATE sy-vline 
WA_ACAPRVDRCONTRH_STR-CREATIONTIME sy-vline 
WA_ACAPRVDRCONTRH_STR-CREATEDBYUSER sy-vline 
WA_ACAPRVDRCONTRH_STR-ISMARKEDFORDELETION sy-vline 
WA_ACAPRVDRCONTRH_STR-LASTCHANGEDATE sy-vline 
WA_ACAPRVDRCONTRH_STR-LASTCHANGETIME sy-vline 
WA_ACAPRVDRCONTRH_STR-LASTCHANGEDBYUSER sy-vline 
WA_ACAPRVDRCONTRH_STR-CAPROVIDERCONTRACTNAME sy-vline 
WA_ACAPRVDRCONTRH_STR-CAPROVIDERCONTRACTEXTREFERENCE sy-vline 
WA_ACAPRVDRCONTRH_STR-CAPRVDRCONTRSTARTDATETIME sy-vline 
WA_ACAPRVDRCONTRH_STR-CAPRVDRCONTRENDDATETIME sy-vline 
WA_ACAPRVDRCONTRH_STR-CAAUTHORIZATIONGROUP sy-vline 
WA_ACAPRVDRCONTRH_STR-COMPANYCODE sy-vline 
WA_ACAPRVDRCONTRH_STR-TIMEZONEID sy-vline 
WA_ACAPRVDRCONTRH_STR-CAPROVIDERCONTRACTCATEGORY sy-vline 
WA_ACAPRVDRCONTRH_STR-CAPROVIDERCONTRACTMIGRTNSTATUS sy-vline 
WA_ACAPRVDRCONTRH_STR-CAPROVIDERCONTRACTTYPE sy-vline 
WA_ACAPRVDRCONTRH_STR-CAPROVIDERCONTRACTSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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