ABAP Select data from SAP table /PM0/ABY_APL1N2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PM0/ABY_APL1N2 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 /PM0/ABY_APL1N2. 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 /PM0/ABY_APL1N2 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_/PM0/ABY_APL1N2 TYPE STANDARD TABLE OF /PM0/ABY_APL1N2,
      WA_/PM0/ABY_APL1N2 TYPE /PM0/ABY_APL1N2,
      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: </PM0/ABY_APL1N2> TYPE /PM0/ABY_APL1N2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PM0/ABY_APL1N2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PM0/ABY_APL1N2
  INTO TABLE IT_/PM0/ABY_APL1N2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ABY_APL1N2
*  INTO TABLE @DATA(IT_/PM0/ABY_APL1N22).
*--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_/PM0/ABY_APL1N2 INDEX 1 INTO DATA(WA_/PM0/ABY_APL1N22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PM0/ABY_APL1N2 ASSIGNING </PM0/ABY_APL1N2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ABY_APL1N2>-APPLICATION_ID = 1.
</PM0/ABY_APL1N2>-POLICYPRODUCT_ID = 1.
</PM0/ABY_APL1N2>-POLICY_ID = 1.
</PM0/ABY_APL1N2>-BIZPRCNO_ID = 1.
</PM0/ABY_APL1N2>-EFFECTIVE_DT = 1.

ENDLOOP.

LOOP AT IT_/PM0/ABY_APL1N2 INTO WA_/PM0/ABY_APL1N2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ABY_APL1N2-PPRUNNO_ID, sy-vline,
  WA_/PM0/ABY_APL1N2-JOURNALNO_ID, sy-vline,
  WA_/PM0/ABY_APL1N2-ACTIONNO_ID, sy-vline,
  WA_/PM0/ABY_APL1N2-MOD_TS, sy-vline,
  WA_/PM0/ABY_APL1N2-MODNAME_TT, sy-vline,
  WA_/PM0/ABY_APL1N2-RELEASE_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ABY_APL1N2 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_/PM0/ABY_APL1N2 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_/PM0/ABY_APL1N2 INTO WA_/PM0/ABY_APL1N2.


*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 DATE_CD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABY_APL1N2-DATE_CD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABY_APL1N2-DATE_CD.
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_/PM0/ABY_APL1N2_STR, 
APPLICATION_ID TYPE STRING,
POLICYPRODUCT_ID TYPE STRING,
POLICY_ID TYPE STRING,
BIZPRCNO_ID TYPE STRING,
EFFECTIVE_DT TYPE STRING,
PPRUNNO_ID TYPE STRING,
JOURNALNO_ID TYPE STRING,
ACTIONNO_ID TYPE STRING,
MOD_TS TYPE STRING,
MODNAME_TT TYPE STRING,
RELEASE_ID TYPE STRING,
POLPRPM_ID TYPE STRING,
LOB_CD TYPE STRING,
PROC_ID TYPE STRING,
DATE_CD TYPE STRING,
POL_EDIT_FG TYPE STRING,
PIANO_ID TYPE STRING,
REL_PPD_ID TYPE STRING,
REL_JNO_ID TYPE STRING,
JOURNALBO_ID TYPE STRING,
VALID_FROM_DT TYPE STRING,
INTBEGIN_DT TYPE STRING,
INTEND_DT TYPE STRING,
UPDATETYPE_ID TYPE STRING,
FINECTRL_ID TYPE STRING,
ORDERNO_ID TYPE STRING,
MARKCANCEL_FG TYPE STRING,
PROCESSING_TT TYPE STRING,
PROCCAT_CD TYPE STRING,
PROCCAT_TT TYPE STRING,
NOTEREQ_FG TYPE STRING,
ISCSRELEVANT_FG TYPE STRING,
ISRIRELEVANT_FG TYPE STRING,
ISBZORELEVANT_FG TYPE STRING,
BALEFFECTIVE_DT TYPE STRING,
CANCEFFECTIVE_DT TYPE STRING,
ARCHIVED_FG TYPE STRING,
REDO_FG TYPE STRING,
ISBIRELEVANT_FG TYPE STRING,
ENTRYPRIO_ID TYPE STRING,
DERIRULEDUEDT_ID TYPE STRING,
ONLYDISPLAY_FG TYPE STRING,
MIGSTATUS_TT TYPE STRING,
BO_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ABY_APL1N2_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_/PM0/ABY_APL1N2_STR-APPLICATION_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-POLICYPRODUCT_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-POLICY_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-BIZPRCNO_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-EFFECTIVE_DT sy-vline 
WA_/PM0/ABY_APL1N2_STR-PPRUNNO_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-JOURNALNO_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-ACTIONNO_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-MOD_TS sy-vline 
WA_/PM0/ABY_APL1N2_STR-MODNAME_TT sy-vline 
WA_/PM0/ABY_APL1N2_STR-RELEASE_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-POLPRPM_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-LOB_CD sy-vline 
WA_/PM0/ABY_APL1N2_STR-PROC_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-DATE_CD sy-vline 
WA_/PM0/ABY_APL1N2_STR-POL_EDIT_FG sy-vline 
WA_/PM0/ABY_APL1N2_STR-PIANO_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-REL_PPD_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-REL_JNO_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-JOURNALBO_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-VALID_FROM_DT sy-vline 
WA_/PM0/ABY_APL1N2_STR-INTBEGIN_DT sy-vline 
WA_/PM0/ABY_APL1N2_STR-INTEND_DT sy-vline 
WA_/PM0/ABY_APL1N2_STR-UPDATETYPE_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-FINECTRL_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-ORDERNO_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-MARKCANCEL_FG sy-vline 
WA_/PM0/ABY_APL1N2_STR-PROCESSING_TT sy-vline 
WA_/PM0/ABY_APL1N2_STR-PROCCAT_CD sy-vline 
WA_/PM0/ABY_APL1N2_STR-PROCCAT_TT sy-vline 
WA_/PM0/ABY_APL1N2_STR-NOTEREQ_FG sy-vline 
WA_/PM0/ABY_APL1N2_STR-ISCSRELEVANT_FG sy-vline 
WA_/PM0/ABY_APL1N2_STR-ISRIRELEVANT_FG sy-vline 
WA_/PM0/ABY_APL1N2_STR-ISBZORELEVANT_FG sy-vline 
WA_/PM0/ABY_APL1N2_STR-BALEFFECTIVE_DT sy-vline 
WA_/PM0/ABY_APL1N2_STR-CANCEFFECTIVE_DT sy-vline 
WA_/PM0/ABY_APL1N2_STR-ARCHIVED_FG sy-vline 
WA_/PM0/ABY_APL1N2_STR-REDO_FG sy-vline 
WA_/PM0/ABY_APL1N2_STR-ISBIRELEVANT_FG sy-vline 
WA_/PM0/ABY_APL1N2_STR-ENTRYPRIO_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-DERIRULEDUEDT_ID sy-vline 
WA_/PM0/ABY_APL1N2_STR-ONLYDISPLAY_FG sy-vline 
WA_/PM0/ABY_APL1N2_STR-MIGSTATUS_TT sy-vline 
WA_/PM0/ABY_APL1N2_STR-BO_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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