ABAP Select data from SAP table IPASQNC_GRPTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPASQNC_GRPTP
*  INTO TABLE @DATA(IT_IPASQNC_GRPTP2).
*--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_IPASQNC_GRPTP INDEX 1 INTO DATA(WA_IPASQNC_GRPTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPASQNC_GRPTP>-MANDT = 1.
<IPASQNC_GRPTP>-PRODALLOCSEQUENCEGROUPUUID = 1.
<IPASQNC_GRPTP>-PRODUCTALLOCATIONSEQUENCEGROUP = 1.
<IPASQNC_GRPTP>-PRODUCTALLOCATIONSEQUENCE = 1.
<IPASQNC_GRPTP>-PRODUCTALLOCATIONSEQUENCEUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPASQNC_GRPTP-PRODALLOCSEQUENCEGROUPTYPE, sy-vline,
  WA_IPASQNC_GRPTP-PRODALLOCSQNCGRPPRIORITYVALUE, sy-vline,
  WA_IPASQNC_GRPTP-NUMBEROFBACKWARDCNSMPNPERIODS, sy-vline,
  WA_IPASQNC_GRPTP-NUMBEROFFORWARDCNSMPNPERIODS, sy-vline,
  WA_IPASQNC_GRPTP-HORIZONTALCONSUMPTIONDIRECTION, sy-vline,
  WA_IPASQNC_GRPTP-PASTPERIODISALLOWED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPASQNC_GRPTP 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_IPASQNC_GRPTP 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_IPASQNC_GRPTP INTO WA_IPASQNC_GRPTP.


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

*Conversion exit ALPHA, internal->external for field PRODUCTALLOCATIONSEQUENCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPASQNC_GRPTP-PRODUCTALLOCATIONSEQUENCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPASQNC_GRPTP-PRODUCTALLOCATIONSEQUENCE.
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_IPASQNC_GRPTP_STR, 
MANDT TYPE STRING,
PRODALLOCSEQUENCEGROUPUUID TYPE STRING,
PRODUCTALLOCATIONSEQUENCEGROUP TYPE STRING,
PRODUCTALLOCATIONSEQUENCE TYPE STRING,
PRODUCTALLOCATIONSEQUENCEUUID TYPE STRING,
PRODALLOCSEQUENCEGROUPTYPE TYPE STRING,
PRODALLOCSQNCGRPPRIORITYVALUE TYPE STRING,
NUMBEROFBACKWARDCNSMPNPERIODS TYPE STRING,
NUMBEROFFORWARDCNSMPNPERIODS TYPE STRING,
HORIZONTALCONSUMPTIONDIRECTION TYPE STRING,
PASTPERIODISALLOWED TYPE STRING,
ONLYOVERLAPPINGQTYISCONSUMED TYPE STRING,
ISDELETED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPASQNC_GRPTP_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_IPASQNC_GRPTP_STR-MANDT sy-vline 
WA_IPASQNC_GRPTP_STR-PRODALLOCSEQUENCEGROUPUUID sy-vline 
WA_IPASQNC_GRPTP_STR-PRODUCTALLOCATIONSEQUENCEGROUP sy-vline 
WA_IPASQNC_GRPTP_STR-PRODUCTALLOCATIONSEQUENCE sy-vline 
WA_IPASQNC_GRPTP_STR-PRODUCTALLOCATIONSEQUENCEUUID sy-vline 
WA_IPASQNC_GRPTP_STR-PRODALLOCSEQUENCEGROUPTYPE sy-vline 
WA_IPASQNC_GRPTP_STR-PRODALLOCSQNCGRPPRIORITYVALUE sy-vline 
WA_IPASQNC_GRPTP_STR-NUMBEROFBACKWARDCNSMPNPERIODS sy-vline 
WA_IPASQNC_GRPTP_STR-NUMBEROFFORWARDCNSMPNPERIODS sy-vline 
WA_IPASQNC_GRPTP_STR-HORIZONTALCONSUMPTIONDIRECTION sy-vline 
WA_IPASQNC_GRPTP_STR-PASTPERIODISALLOWED sy-vline 
WA_IPASQNC_GRPTP_STR-ONLYOVERLAPPINGQTYISCONSUMED sy-vline 
WA_IPASQNC_GRPTP_STR-ISDELETED sy-vline      INTO ld_text SEPARATED BY SPACE.

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