ABAP Select data from SAP table IPRVDRCONTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPRVDRCONTR
*  INTO TABLE @DATA(IT_IPRVDRCONTR2).
*--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_IPRVDRCONTR INDEX 1 INTO DATA(WA_IPRVDRCONTR2).


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

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

ENDLOOP.

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

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


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

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

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

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