ABAP Select data from SAP table EHPRCS_ESTCAT_SUBLTR 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_SUBLTR 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_SUBLTR. 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_SUBLTR 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_SUBLTR TYPE STANDARD TABLE OF EHPRCS_ESTCAT_SUBLTR,
      WA_EHPRCS_ESTCAT_SUBLTR TYPE EHPRCS_ESTCAT_SUBLTR,
      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_SUBLTR> TYPE EHPRCS_ESTCAT_SUBLTR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCS_ESTCAT_SUBLTR
*  INTO TABLE @DATA(IT_EHPRCS_ESTCAT_SUBLTR2).
*--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_SUBLTR INDEX 1 INTO DATA(WA_EHPRCS_ESTCAT_SUBLTR2).


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

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

ENDLOOP.

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

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


*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_SUBLTR-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SUBLTR-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_SUBLTR-ACTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SUBLTR-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_SUBLTR-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SUBLTR-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_SUBLTR-OWNID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SUBLTR-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_SUBLTR-RECNROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SUBLTR-RECNROOT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BUPID, internal->external for field PROP_SUBLTR_PERS
CALL FUNCTION 'CONVERSION_EXIT_BUPID_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_ESTCAT_SUBLTR-PROP_SUBLTR_PERS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SUBLTR-PROP_SUBLTR_PERS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_ESTCAT_SUBLTR-DOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ESTCAT_SUBLTR-DOCUMENTNUMBER.
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_SUBLTR_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_SUBLTR_AREATYPE TYPE STRING,
PROP_SUBLTR_DATE TYPE STRING,
PROP_SUBLTR_DMSLINK TYPE STRING,
PROP_SUBLTR_PERS TYPE STRING,
PROP_SUBLTR_REMARK TYPE STRING,
PROP_SUBLTR_RESULT TYPE STRING,
DMS_LINK_EXIST_IND TYPE STRING,
DOCUMENTTYPE TYPE STRING,
DOCUMENTNUMBER TYPE STRING,
DOCUMENTVERSION TYPE STRING,
DOCUMENTPART TYPE STRING,
PROP_SUBLTR_PERS_NAME TYPE STRING,
PROP_SUBLTR_AREATYPE_DESC TYPE STRING,
PROP_SUBLTR_DMSLINK_TOOLTIP TYPE STRING,
REF_INH_CODE TYPE STRING,
EEW_EHPRC_SUBLTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCS_ESTCAT_SUBLTR_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_SUBLTR_STR-ERRORMODE sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-ERRORINFO sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-ERRORCLASS sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-ERRORPARAM sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-LOGLOCKMOD sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-EXTINFO sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-LINEMOD sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-MANDT sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-RECN sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-ACTN sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-VALFR sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-VALTO sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-AENNR sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-DELFLG sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-PARKFLG sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-CRDAT sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-CRNAM sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-UPDDAT sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-UPDNAM sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-SRSID sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-OWNID sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-RECNROOT sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-CREATED_BY sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-CHANGED_BY sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-CHANGE_NR_DESC sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-PROP_SUBLTR_AREATYPE sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-PROP_SUBLTR_DATE sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-PROP_SUBLTR_DMSLINK sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-PROP_SUBLTR_PERS sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-PROP_SUBLTR_REMARK sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-PROP_SUBLTR_RESULT sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-DMS_LINK_EXIST_IND sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-DOCUMENTTYPE sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-DOCUMENTNUMBER sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-DOCUMENTVERSION sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-DOCUMENTPART sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-PROP_SUBLTR_PERS_NAME sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-PROP_SUBLTR_AREATYPE_DESC sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-PROP_SUBLTR_DMSLINK_TOOLTIP sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-REF_INH_CODE sy-vline 
WA_EHPRCS_ESTCAT_SUBLTR_STR-EEW_EHPRC_SUBLTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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