ABAP Select data from SAP table PIE_ASC45 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PIE_ASC45 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 PIE_ASC45. 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 PIE_ASC45 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_PIE_ASC45 TYPE STANDARD TABLE OF PIE_ASC45,
      WA_PIE_ASC45 TYPE PIE_ASC45,
      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: <PIE_ASC45> TYPE PIE_ASC45.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PIE_ASC45.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PIE_ASC45
  INTO TABLE IT_PIE_ASC45.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIE_ASC45
*  INTO TABLE @DATA(IT_PIE_ASC452).
*--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_PIE_ASC45 INDEX 1 INTO DATA(WA_PIE_ASC452).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PIE_ASC45 ASSIGNING <PIE_ASC45>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIE_ASC45>-PERNR = 1.
<PIE_ASC45>-PPSNO = 1.
<PIE_ASC45>-VORNA = 1.
<PIE_ASC45>-NACHN = 1.
<PIE_ASC45>-ASCTY = 1.

ENDLOOP.

LOOP AT IT_PIE_ASC45 INTO WA_PIE_ASC45.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIE_ASC45-EE_CARE_OF, sy-vline,
  WA_PIE_ASC45-EE_ADR1, sy-vline,
  WA_PIE_ASC45-EE_ADR2, sy-vline,
  WA_PIE_ASC45-EE_ADR3, sy-vline,
  WA_PIE_ASC45-HIRE, sy-vline,
  WA_PIE_ASC45-FIRE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIE_ASC45 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_PIE_ASC45 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_PIE_ASC45 INTO WA_PIE_ASC45.


*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 GJAHR, internal->external for field PYEAR1
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PIE_ASC45-PYEAR1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIE_ASC45-PYEAR1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field PYEAR2
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PIE_ASC45-PYEAR2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIE_ASC45-PYEAR2.
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_PIE_ASC45_STR, 
PERNR TYPE STRING,
PPSNO TYPE STRING,
VORNA TYPE STRING,
NACHN TYPE STRING,
ASCTY TYPE STRING,
EE_CARE_OF TYPE STRING,
EE_ADR1 TYPE STRING,
EE_ADR2 TYPE STRING,
EE_ADR3 TYPE STRING,
HIRE TYPE STRING,
FIRE TYPE STRING,
ER_NAME TYPE STRING,
ER_ADR1 TYPE STRING,
ER_ADR2 TYPE STRING,
ER_ADR3 TYPE STRING,
ERNIE TYPE STRING,
PHONE TYPE STRING,
EMAIL TYPE STRING,
A45ID TYPE STRING,
A45SNR TYPE STRING,
ASCGR TYPE STRING,
ASCDE TYPE STRING,
ASCPG TYPE STRING,
ASCPD TYPE STRING,
PYEAR1 TYPE STRING,
PASC1 TYPE STRING,
PYEAR2 TYPE STRING,
PASC2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIE_ASC45_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_PIE_ASC45_STR-PERNR sy-vline 
WA_PIE_ASC45_STR-PPSNO sy-vline 
WA_PIE_ASC45_STR-VORNA sy-vline 
WA_PIE_ASC45_STR-NACHN sy-vline 
WA_PIE_ASC45_STR-ASCTY sy-vline 
WA_PIE_ASC45_STR-EE_CARE_OF sy-vline 
WA_PIE_ASC45_STR-EE_ADR1 sy-vline 
WA_PIE_ASC45_STR-EE_ADR2 sy-vline 
WA_PIE_ASC45_STR-EE_ADR3 sy-vline 
WA_PIE_ASC45_STR-HIRE sy-vline 
WA_PIE_ASC45_STR-FIRE sy-vline 
WA_PIE_ASC45_STR-ER_NAME sy-vline 
WA_PIE_ASC45_STR-ER_ADR1 sy-vline 
WA_PIE_ASC45_STR-ER_ADR2 sy-vline 
WA_PIE_ASC45_STR-ER_ADR3 sy-vline 
WA_PIE_ASC45_STR-ERNIE sy-vline 
WA_PIE_ASC45_STR-PHONE sy-vline 
WA_PIE_ASC45_STR-EMAIL sy-vline 
WA_PIE_ASC45_STR-A45ID sy-vline 
WA_PIE_ASC45_STR-A45SNR sy-vline 
WA_PIE_ASC45_STR-ASCGR sy-vline 
WA_PIE_ASC45_STR-ASCDE sy-vline 
WA_PIE_ASC45_STR-ASCPG sy-vline 
WA_PIE_ASC45_STR-ASCPD sy-vline 
WA_PIE_ASC45_STR-PYEAR1 sy-vline 
WA_PIE_ASC45_STR-PASC1 sy-vline 
WA_PIE_ASC45_STR-PYEAR2 sy-vline 
WA_PIE_ASC45_STR-PASC2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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