ABAP Select data from SAP table IPERSWKAGRMTSHP1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IPERSWKAGRMTSHP1 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 IPERSWKAGRMTSHP1. 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 IPERSWKAGRMTSHP1 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_IPERSWKAGRMTSHP1 TYPE STANDARD TABLE OF IPERSWKAGRMTSHP1,
      WA_IPERSWKAGRMTSHP1 TYPE IPERSWKAGRMTSHP1,
      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: <IPERSWKAGRMTSHP1> TYPE IPERSWKAGRMTSHP1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IPERSWKAGRMTSHP1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IPERSWKAGRMTSHP1
  INTO TABLE IT_IPERSWKAGRMTSHP1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPERSWKAGRMTSHP1
*  INTO TABLE @DATA(IT_IPERSWKAGRMTSHP12).
*--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_IPERSWKAGRMTSHP1 INDEX 1 INTO DATA(WA_IPERSWKAGRMTSHP12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IPERSWKAGRMTSHP1 ASSIGNING <IPERSWKAGRMTSHP1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPERSWKAGRMTSHP1>-MANDT = 1.
<IPERSWKAGRMTSHP1>-PERSONWORKAGREEMENT = 1.
<IPERSWKAGRMTSHP1>-PERSON = 1.
<IPERSWKAGRMTSHP1>-LASTNAME = 1.
<IPERSWKAGRMTSHP1>-FAMILYNAME = 1.

ENDLOOP.

LOOP AT IT_IPERSWKAGRMTSHP1 INTO WA_IPERSWKAGRMTSHP1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPERSWKAGRMTSHP1-FIRSTNAME, sy-vline,
  WA_IPERSWKAGRMTSHP1-GIVENNAME, sy-vline,
  WA_IPERSWKAGRMTSHP1-PERSONEXTERNALID, sy-vline,
  WA_IPERSWKAGRMTSHP1-USERID, sy-vline,
  WA_IPERSWKAGRMTSHP1-PERSONFULLNAME, sy-vline,
  WA_IPERSWKAGRMTSHP1-COMPANYCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPERSWKAGRMTSHP1 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_IPERSWKAGRMTSHP1 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_IPERSWKAGRMTSHP1 INTO WA_IPERSWKAGRMTSHP1.


*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 PERSON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPERSWKAGRMTSHP1-PERSON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPERSWKAGRMTSHP1-PERSON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPERSWKAGRMTSHP1-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPERSWKAGRMTSHP1-COSTCENTER.
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_IPERSWKAGRMTSHP1_STR, 
MANDT TYPE STRING,
PERSONWORKAGREEMENT TYPE STRING,
PERSON TYPE STRING,
LASTNAME TYPE STRING,
FAMILYNAME TYPE STRING,
FIRSTNAME TYPE STRING,
GIVENNAME TYPE STRING,
PERSONEXTERNALID TYPE STRING,
USERID TYPE STRING,
PERSONFULLNAME TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
COSTCENTER TYPE STRING,
COSTCENTERNAME TYPE STRING,
JOB TYPE STRING,
JOBNAME TYPE STRING,
ORGANIZATIONALUNITNAME TYPE STRING,
PERSONWORKAGRMTAUTHZNGRPG TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPERSWKAGRMTSHP1_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_IPERSWKAGRMTSHP1_STR-MANDT sy-vline 
WA_IPERSWKAGRMTSHP1_STR-PERSONWORKAGREEMENT sy-vline 
WA_IPERSWKAGRMTSHP1_STR-PERSON sy-vline 
WA_IPERSWKAGRMTSHP1_STR-LASTNAME sy-vline 
WA_IPERSWKAGRMTSHP1_STR-FAMILYNAME sy-vline 
WA_IPERSWKAGRMTSHP1_STR-FIRSTNAME sy-vline 
WA_IPERSWKAGRMTSHP1_STR-GIVENNAME sy-vline 
WA_IPERSWKAGRMTSHP1_STR-PERSONEXTERNALID sy-vline 
WA_IPERSWKAGRMTSHP1_STR-USERID sy-vline 
WA_IPERSWKAGRMTSHP1_STR-PERSONFULLNAME sy-vline 
WA_IPERSWKAGRMTSHP1_STR-COMPANYCODE sy-vline 
WA_IPERSWKAGRMTSHP1_STR-COMPANYCODENAME sy-vline 
WA_IPERSWKAGRMTSHP1_STR-COSTCENTER sy-vline 
WA_IPERSWKAGRMTSHP1_STR-COSTCENTERNAME sy-vline 
WA_IPERSWKAGRMTSHP1_STR-JOB sy-vline 
WA_IPERSWKAGRMTSHP1_STR-JOBNAME sy-vline 
WA_IPERSWKAGRMTSHP1_STR-ORGANIZATIONALUNITNAME sy-vline 
WA_IPERSWKAGRMTSHP1_STR-PERSONWORKAGRMTAUTHZNGRPG sy-vline 
WA_IPERSWKAGRMTSHP1_STR-AUTHORIZATIONGROUP sy-vline 
WA_IPERSWKAGRMTSHP1_STR-ISBUSINESSPURPOSECOMPLETED sy-vline      INTO ld_text SEPARATED BY SPACE.

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