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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/APFACOV
*  INTO TABLE @DATA(IT_/PM0/APFACOV2).
*--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/APFACOV INDEX 1 INTO DATA(WA_/PM0/APFACOV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/APFACOV>-/PM0/APDACOV_OID = 1.
</PM0/APFACOV>-INSAMOUNT_AM = 1.
</PM0/APFACOV>-INSAMTP_CD = 1.
</PM0/APFACOV>-INSAMOUNT_VL = 1.
</PM0/APFACOV>-ANNUITYTP_CD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/APFACOV-PROBATNPRD_VL, sy-vline,
  WA_/PM0/APFACOV-PROGRESSTYPE_CD, sy-vline,
  WA_/PM0/APFACOV-CALCTYPE_CD, sy-vline,
  WA_/PM0/APFACOV-INSAMNTSQUARE_AM, sy-vline,
  WA_/PM0/APFACOV-SCHEDCOMP_CD, sy-vline,
  WA_/PM0/APFACOV-BASEAMOUNCALC_FG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/APFACOV 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/APFACOV 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/APFACOV INTO WA_/PM0/APFACOV.


*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_/PM0/APFACOV_STR, 
/PM0/APDACOV_OID TYPE STRING,
INSAMOUNT_AM TYPE STRING,
INSAMTP_CD TYPE STRING,
INSAMOUNT_VL TYPE STRING,
ANNUITYTP_CD TYPE STRING,
PROBATNPRD_VL TYPE STRING,
PROGRESSTYPE_CD TYPE STRING,
CALCTYPE_CD TYPE STRING,
INSAMNTSQUARE_AM TYPE STRING,
SCHEDCOMP_CD TYPE STRING,
BASEAMOUNCALC_FG TYPE STRING,
BASEAMOUNT_AM TYPE STRING,
BASEYEAR_DT TYPE STRING,
PREMIUMEXEMPT_FG TYPE STRING,
COVVARIANT_CD TYPE STRING,
BLANKETCOV_FG TYPE STRING,
HAZARDTYP_CD TYPE STRING,
CURR_ID TYPE STRING,
FRACINSAMOUNT_CD TYPE STRING,
FRACINSAMOUNT_AM TYPE STRING,
PML_AM TYPE STRING,
PML_VL TYPE STRING,
RICHECK_FG TYPE STRING,
PML_TT TYPE STRING,
CUSTOMER_PP_CI TYPE STRING,
COVINSURANC_TP TYPE STRING,
COVVARIANT_TT TYPE STRING,
HAZARDTYP_TT TYPE STRING,
INSAMTP_TT TYPE STRING,
PPBSTYP_TT TYPE STRING,
PROGRESSTYPE_TT TYPE STRING,
SCHEDCOMP_TT TYPE STRING,
CUSTOMER_TP_CI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/APFACOV_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/APFACOV_STR-/PM0/APDACOV_OID sy-vline 
WA_/PM0/APFACOV_STR-INSAMOUNT_AM sy-vline 
WA_/PM0/APFACOV_STR-INSAMTP_CD sy-vline 
WA_/PM0/APFACOV_STR-INSAMOUNT_VL sy-vline 
WA_/PM0/APFACOV_STR-ANNUITYTP_CD sy-vline 
WA_/PM0/APFACOV_STR-PROBATNPRD_VL sy-vline 
WA_/PM0/APFACOV_STR-PROGRESSTYPE_CD sy-vline 
WA_/PM0/APFACOV_STR-CALCTYPE_CD sy-vline 
WA_/PM0/APFACOV_STR-INSAMNTSQUARE_AM sy-vline 
WA_/PM0/APFACOV_STR-SCHEDCOMP_CD sy-vline 
WA_/PM0/APFACOV_STR-BASEAMOUNCALC_FG sy-vline 
WA_/PM0/APFACOV_STR-BASEAMOUNT_AM sy-vline 
WA_/PM0/APFACOV_STR-BASEYEAR_DT sy-vline 
WA_/PM0/APFACOV_STR-PREMIUMEXEMPT_FG sy-vline 
WA_/PM0/APFACOV_STR-COVVARIANT_CD sy-vline 
WA_/PM0/APFACOV_STR-BLANKETCOV_FG sy-vline 
WA_/PM0/APFACOV_STR-HAZARDTYP_CD sy-vline 
WA_/PM0/APFACOV_STR-CURR_ID sy-vline 
WA_/PM0/APFACOV_STR-FRACINSAMOUNT_CD sy-vline 
WA_/PM0/APFACOV_STR-FRACINSAMOUNT_AM sy-vline 
WA_/PM0/APFACOV_STR-PML_AM sy-vline 
WA_/PM0/APFACOV_STR-PML_VL sy-vline 
WA_/PM0/APFACOV_STR-RICHECK_FG sy-vline 
WA_/PM0/APFACOV_STR-PML_TT sy-vline 
WA_/PM0/APFACOV_STR-CUSTOMER_PP_CI sy-vline 
WA_/PM0/APFACOV_STR-COVINSURANC_TP sy-vline 
WA_/PM0/APFACOV_STR-COVVARIANT_TT sy-vline 
WA_/PM0/APFACOV_STR-HAZARDTYP_TT sy-vline 
WA_/PM0/APFACOV_STR-INSAMTP_TT sy-vline 
WA_/PM0/APFACOV_STR-PPBSTYP_TT sy-vline 
WA_/PM0/APFACOV_STR-PROGRESSTYPE_TT sy-vline 
WA_/PM0/APFACOV_STR-SCHEDCOMP_TT sy-vline 
WA_/PM0/APFACOV_STR-CUSTOMER_TP_CI sy-vline      INTO ld_text SEPARATED BY SPACE.

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