ABAP Select data from SAP table CRMST_CONDH_I_ERPIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMST_CONDH_I_ERPIL
*  INTO TABLE @DATA(IT_CRMST_CONDH_I_ERPIL2).
*--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_CRMST_CONDH_I_ERPIL INDEX 1 INTO DATA(WA_CRMST_CONDH_I_ERPIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMST_CONDH_I_ERPIL>-HANDLE_ITEM = 1.
<CRMST_CONDH_I_ERPIL>-HANDLE = 1.
<CRMST_CONDH_I_ERPIL>-SELKZ = 1.
<CRMST_CONDH_I_ERPIL>-KSCHL = 1.
<CRMST_CONDH_I_ERPIL>-KSCHL_T = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMST_CONDH_I_ERPIL-KBETR, sy-vline,
  WA_CRMST_CONDH_I_ERPIL-KOEIN, sy-vline,
  WA_CRMST_CONDH_I_ERPIL-KPEIN, sy-vline,
  WA_CRMST_CONDH_I_ERPIL-KMEIN, sy-vline,
  WA_CRMST_CONDH_I_ERPIL-KWERT, sy-vline,
  WA_CRMST_CONDH_I_ERPIL-WAERK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMST_CONDH_I_ERPIL 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_CRMST_CONDH_I_ERPIL 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_CRMST_CONDH_I_ERPIL INTO WA_CRMST_CONDH_I_ERPIL.


*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_CRMST_CONDH_I_ERPIL_STR, 
HANDLE_ITEM TYPE STRING,
HANDLE TYPE STRING,
SELKZ TYPE STRING,
KSCHL TYPE STRING,
KSCHL_T TYPE STRING,
KBETR TYPE STRING,
KOEIN TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,
KWERT TYPE STRING,
WAERK TYPE STRING,
MEINS TYPE STRING,
KUMZA TYPE STRING,
KUMNE TYPE STRING,
KMEI1 TYPE STRING,
KWERT_K TYPE STRING,
KWAEH TYPE STRING,
KSTAT TYPE STRING,
KINAK TYPE STRING,
KINAK_T TYPE STRING,
KOEI1 TYPE STRING,
KAWRT TYPE STRING,
AWEI1 TYPE STRING,
AWEIN TYPE STRING,
KOAID TYPE STRING,
KOAID_T TYPE STRING,
KRECH TYPE STRING,
KRECH_T TYPE STRING,
KNTYP TYPE STRING,
KNTYP_T TYPE STRING,
KSTEU TYPE STRING,
KSTEU_T TYPE STRING,
KHERK TYPE STRING,
KHERK_T TYPE STRING,
KMPRS TYPE STRING,
KZBZG TYPE STRING,
KZBZG_T TYPE STRING,
KNUMA_BO TYPE STRING,
KDATU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMST_CONDH_I_ERPIL_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_CRMST_CONDH_I_ERPIL_STR-HANDLE_ITEM sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-HANDLE sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-SELKZ sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KSCHL sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KSCHL_T sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KBETR sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KOEIN sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KPEIN sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KMEIN sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KWERT sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-WAERK sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-MEINS sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KUMZA sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KUMNE sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KMEI1 sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KWERT_K sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KWAEH sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KSTAT sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KINAK sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KINAK_T sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KOEI1 sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KAWRT sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-AWEI1 sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-AWEIN sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KOAID sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KOAID_T sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KRECH sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KRECH_T sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KNTYP sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KNTYP_T sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KSTEU sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KSTEU_T sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KHERK sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KHERK_T sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KMPRS sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KZBZG sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KZBZG_T sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KNUMA_BO sy-vline 
WA_CRMST_CONDH_I_ERPIL_STR-KDATU sy-vline      INTO ld_text SEPARATED BY SPACE.

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