ABAP Select data from SAP table EHPRCS_ESTCAT_SVTPUR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCS_ESTCAT_SVTPUR
*  INTO TABLE @DATA(IT_EHPRCS_ESTCAT_SVTPUR2).
*--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_EHPRCS_ESTCAT_SVTPUR INDEX 1 INTO DATA(WA_EHPRCS_ESTCAT_SVTPUR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCS_ESTCAT_SVTPUR>-ERRORMODE = 1.
<EHPRCS_ESTCAT_SVTPUR>-ERRORINFO = 1.
<EHPRCS_ESTCAT_SVTPUR>-ERRORCLASS = 1.
<EHPRCS_ESTCAT_SVTPUR>-ERRORPARAM = 1.
<EHPRCS_ESTCAT_SVTPUR>-LOGLOCKMOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCS_ESTCAT_SVTPUR-EXTINFO, sy-vline,
  WA_EHPRCS_ESTCAT_SVTPUR-LINEMOD, sy-vline,
  WA_EHPRCS_ESTCAT_SVTPUR-MANDT, sy-vline,
  WA_EHPRCS_ESTCAT_SVTPUR-RECN, sy-vline,
  WA_EHPRCS_ESTCAT_SVTPUR-ACTN, sy-vline,
  WA_EHPRCS_ESTCAT_SVTPUR-VALFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCS_ESTCAT_SVTPUR 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_EHPRCS_ESTCAT_SVTPUR 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_EHPRCS_ESTCAT_SVTPUR INTO WA_EHPRCS_ESTCAT_SVTPUR.


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

*Conversion exit ALPHA, internal->external for field ACTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_ESTCAT_SVTPUR-ACTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SVTPUR-ACTN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_ESTCAT_SVTPUR-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SVTPUR-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OWNID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_ESTCAT_SVTPUR-OWNID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SVTPUR-OWNID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNROOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_ESTCAT_SVTPUR-RECNROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SVTPUR-RECNROOT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT_OF_MASS_MEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_ESTCAT_SVTPUR-UNIT_OF_MASS_MEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SVTPUR-UNIT_OF_MASS_MEASURE.
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_EHPRCS_ESTCAT_SVTPUR_STR, 
ERRORMODE TYPE STRING,
ERRORINFO TYPE STRING,
ERRORCLASS TYPE STRING,
ERRORPARAM TYPE STRING,
LOGLOCKMOD TYPE STRING,
EXTINFO TYPE STRING,
LINEMOD TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGE_NR_DESC TYPE STRING,
PROP_SVT_ORD TYPE STRING,
PROP_SVTPUR_LEGENT TYPE STRING,
PROP_SVTPUR_PLANT TYPE STRING,
PROP_SVTPUR_YEAR TYPE STRING,
PROP_SVTPUR_QUANTITY TYPE STRING,
PROP_SVTPUR_IMPORT TYPE STRING,
PROP_SVTPUR_REMARK TYPE STRING,
PROP_SVTPUR_CNTRYORIG TYPE STRING,
PROP_SVTPUR_CNTRYREC TYPE STRING,
PROP_SVTPUR_BASE TYPE STRING,
LGENT_DESC TYPE STRING,
PLANT_DESC TYPE STRING,
QUANTITY TYPE STRING,
UNIT_OF_MASS_MEASURE TYPE STRING,
UNIT_OF_MASS TYPE STRING,
REGUL_LIST_DESC TYPE STRING,
COUNTRY_ORIG_DESC TYPE STRING,
COUNTRY_REC_DESC TYPE STRING,
LV_REG_STATUS TYPE STRING,
REF_INH_CODE TYPE STRING,
EEW_EHPRC_SVTPUR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCS_ESTCAT_SVTPUR_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_EHPRCS_ESTCAT_SVTPUR_STR-ERRORMODE sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-ERRORINFO sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-ERRORCLASS sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-ERRORPARAM sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-LOGLOCKMOD sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-EXTINFO sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-LINEMOD sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-MANDT sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-RECN sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-ACTN sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-VALFR sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-VALTO sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-AENNR sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-DELFLG sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PARKFLG sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-CRDAT sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-CRNAM sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-UPDDAT sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-UPDNAM sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-SRSID sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-OWNID sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-RECNROOT sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-CREATED_BY sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-CHANGED_BY sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-CHANGE_NR_DESC sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PROP_SVT_ORD sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PROP_SVTPUR_LEGENT sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PROP_SVTPUR_PLANT sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PROP_SVTPUR_YEAR sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PROP_SVTPUR_QUANTITY sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PROP_SVTPUR_IMPORT sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PROP_SVTPUR_REMARK sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PROP_SVTPUR_CNTRYORIG sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PROP_SVTPUR_CNTRYREC sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PROP_SVTPUR_BASE sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-LGENT_DESC sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-PLANT_DESC sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-QUANTITY sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-UNIT_OF_MASS_MEASURE sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-UNIT_OF_MASS sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-REGUL_LIST_DESC sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-COUNTRY_ORIG_DESC sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-COUNTRY_REC_DESC sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-LV_REG_STATUS sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-REF_INH_CODE sy-vline 
WA_EHPRCS_ESTCAT_SVTPUR_STR-EEW_EHPRC_SVTPUR sy-vline      INTO ld_text SEPARATED BY SPACE.

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