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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/PWS_COV_SUBJCT_INFRD
*  INTO TABLE @DATA(IT_/PM0/PWS_COV_SUBJCT_INFRD2).
*--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/PWS_COV_SUBJCT_INFRD INDEX 1 INTO DATA(WA_/PM0/PWS_COV_SUBJCT_INFRD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/PWS_COV_SUBJCT_INFRD>-CONTROLLER = 1.
</PM0/PWS_COV_SUBJCT_INFRD>-ADJSTATUS_CD = 1.
</PM0/PWS_COV_SUBJCT_INFRD>-BASICD_CD = 1.
</PM0/PWS_COV_SUBJCT_INFRD>-CURRIDXPOS_ID = 1.
</PM0/PWS_COV_SUBJCT_INFRD>-DELIVERIDXTAB_FG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/PWS_COV_SUBJCT_INFRD-DYNAMICEXEC_FG, sy-vline,
  WA_/PM0/PWS_COV_SUBJCT_INFRD-FIRSTIDXPOS_ID, sy-vline,
  WA_/PM0/PWS_COV_SUBJCT_INFRD-FIRSTPREM_AM, sy-vline,
  WA_/PM0/PWS_COV_SUBJCT_INFRD-FROMIDXCOMP_FG, sy-vline,
  WA_/PM0/PWS_COV_SUBJCT_INFRD-IDXGROUP_CD, sy-vline,
  WA_/PM0/PWS_COV_SUBJCT_INFRD-INCINFRDBEG_DT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/PWS_COV_SUBJCT_INFRD 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/PWS_COV_SUBJCT_INFRD 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/PWS_COV_SUBJCT_INFRD INTO WA_/PM0/PWS_COV_SUBJCT_INFRD.


*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/PWS_COV_SUBJCT_INFRD_STR, 
CONTROLLER TYPE STRING,
ADJSTATUS_CD TYPE STRING,
BASICD_CD TYPE STRING,
CURRIDXPOS_ID TYPE STRING,
DELIVERIDXTAB_FG TYPE STRING,
DYNAMICEXEC_FG TYPE STRING,
FIRSTIDXPOS_ID TYPE STRING,
FIRSTPREM_AM TYPE STRING,
FROMIDXCOMP_FG TYPE STRING,
IDXGROUP_CD TYPE STRING,
INCINFRDBEG_DT TYPE STRING,
INCINFRDEND_DT TYPE STRING,
INCREASEVAR_AM TYPE STRING,
INCREASEVAR_CD TYPE STRING,
INCREASEVAR_VL TYPE STRING,
INDADJTYE_VL TYPE STRING,
INDEXLNKINDEX_VL TYPE STRING,
INFRCT_CD TYPE STRING,
INFRD_CD TYPE STRING,
LAINDSTAGE_DT TYPE STRING,
LASTIDXPOS_ID TYPE STRING,
LASTIDXVAL_ID TYPE STRING,
LSTMOD_DT TYPE STRING,
MAXADJUSTMENT_AM TYPE STRING,
MAXADJUSTMENT_VL TYPE STRING,
MINADJUSTMENT_AM TYPE STRING,
MINADJUSTMENT_VL TYPE STRING,
MODIF_FG TYPE STRING,
OUTGIDX_ID TYPE STRING,
PERVL_CD TYPE STRING,
PREVYIND_ID TYPE STRING,
SRUIBI_CD TYPE STRING,
SRVIBI_CD TYPE STRING,
SUSPENDREASON_CD TYPE STRING,
THRESHOLD_VL TYPE STRING,
THRMANUAL_FG TYPE STRING,
VSPOLBEG_AM TYPE STRING,
PRODUCT_BASE_ID TYPE STRING,
RUNTIME_OBJECT_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/PWS_COV_SUBJCT_INFRD_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/PWS_COV_SUBJCT_INFRD_STR-CONTROLLER sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-ADJSTATUS_CD sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-BASICD_CD sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-CURRIDXPOS_ID sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-DELIVERIDXTAB_FG sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-DYNAMICEXEC_FG sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-FIRSTIDXPOS_ID sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-FIRSTPREM_AM sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-FROMIDXCOMP_FG sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-IDXGROUP_CD sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-INCINFRDBEG_DT sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-INCINFRDEND_DT sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-INCREASEVAR_AM sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-INCREASEVAR_CD sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-INCREASEVAR_VL sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-INDADJTYE_VL sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-INDEXLNKINDEX_VL sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-INFRCT_CD sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-INFRD_CD sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-LAINDSTAGE_DT sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-LASTIDXPOS_ID sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-LASTIDXVAL_ID sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-LSTMOD_DT sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-MAXADJUSTMENT_AM sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-MAXADJUSTMENT_VL sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-MINADJUSTMENT_AM sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-MINADJUSTMENT_VL sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-MODIF_FG sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-OUTGIDX_ID sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-PERVL_CD sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-PREVYIND_ID sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-SRUIBI_CD sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-SRVIBI_CD sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-SUSPENDREASON_CD sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-THRESHOLD_VL sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-THRMANUAL_FG sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-VSPOLBEG_AM sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-PRODUCT_BASE_ID sy-vline 
WA_/PM0/PWS_COV_SUBJCT_INFRD_STR-RUNTIME_OBJECT_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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