ABAP Select data from SAP table PAOCF_EMPL_ERPINFO_WRK_AGRMT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAOCF_EMPL_ERPINFO_WRK_AGRMT
*  INTO TABLE @DATA(IT_PAOCF_EMPL_ERPINFO_WRK_AGRMT2).
*--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_PAOCF_EMPL_ERPINFO_WRK_AGRMT INDEX 1 INTO DATA(WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAOCF_EMPL_ERPINFO_WRK_AGRMT>-CONTROLLER = 1.
<PAOCF_EMPL_ERPINFO_WRK_AGRMT>-ID = 1.
<PAOCF_EMPL_ERPINFO_WRK_AGRMT>-TYPE_CODE = 1.
<PAOCF_EMPL_ERPINFO_WRK_AGRMT>-TYPE_NAME = 1.
<PAOCF_EMPL_ERPINFO_WRK_AGRMT>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT-LANGUAGE_CODE, sy-vline,
  WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT-CONTENT, sy-vline,
  WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT-ADMINISTRATIVE_CATEGORY_CODE, sy-vline,
  WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT-ADMINISTRATIVE_CATEGORY_NAME, sy-vline,
  WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT-CONTROLLER, sy-vline,
  WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT-LANGUAGE_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT 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_PAOCF_EMPL_ERPINFO_WRK_AGRMT 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_PAOCF_EMPL_ERPINFO_WRK_AGRMT INTO WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR, 
CONTROLLER TYPE STRING,
ID TYPE STRING,
TYPE_CODE TYPE STRING,
TYPE_NAME TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,
ADMINISTRATIVE_CATEGORY_CODE TYPE STRING,
ADMINISTRATIVE_CATEGORY_NAME TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,
CAPACITY_UTILISATION_LEVEL TYPE STRING,
ORGANISATIONAL_ASSIGNMENT TYPE STRING,
CONTROLLER TYPE STRING,
VALIDITY_PERIOD TYPE STRING,
CONTROLLER TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
ORGANISATIONAL_ASSIGNMENT_POSI TYPE STRING,
ADDRESS_ASSIGNMENT TYPE STRING,
COMMUNICATION_DATA_ASSIGNMENT TYPE STRING,
RANK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_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_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-CONTROLLER sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-ID sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-TYPE_CODE sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-TYPE_NAME sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-CONTROLLER sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-LANGUAGE_CODE sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-CONTENT sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-ADMINISTRATIVE_CATEGORY_CODE sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-ADMINISTRATIVE_CATEGORY_NAME sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-CONTROLLER sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-LANGUAGE_CODE sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-CONTENT sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-CAPACITY_UTILISATION_LEVEL sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-ORGANISATIONAL_ASSIGNMENT sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-CONTROLLER sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-VALIDITY_PERIOD sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-CONTROLLER sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-START_DATE sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-END_DATE sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-ORGANISATIONAL_ASSIGNMENT_POSI sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-ADDRESS_ASSIGNMENT sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-COMMUNICATION_DATA_ASSIGNMENT sy-vline 
WA_PAOCF_EMPL_ERPINFO_WRK_AGRMT_STR-RANK sy-vline      INTO ld_text SEPARATED BY SPACE.

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