ABAP Select data from SAP table /SAPCE/IURU_ERDH into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPCE/IURU_ERDH 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 /SAPCE/IURU_ERDH. 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 /SAPCE/IURU_ERDH 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_/SAPCE/IURU_ERDH TYPE STANDARD TABLE OF /SAPCE/IURU_ERDH,
      WA_/SAPCE/IURU_ERDH TYPE /SAPCE/IURU_ERDH,
      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: </SAPCE/IURU_ERDH> TYPE /SAPCE/IURU_ERDH.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPCE/IURU_ERDH
*  INTO TABLE @DATA(IT_/SAPCE/IURU_ERDH2).
*--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_/SAPCE/IURU_ERDH INDEX 1 INTO DATA(WA_/SAPCE/IURU_ERDH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPCE/IURU_ERDH>-MANDT = 1.
</SAPCE/IURU_ERDH>-OPBEL = 1.
</SAPCE/IURU_ERDH>-INTOPBEL = 1.
</SAPCE/IURU_ERDH>-PARTNER = 1.
</SAPCE/IURU_ERDH>-VKONT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPCE/IURU_ERDH-FORMKEY, sy-vline,
  WA_/SAPCE/IURU_ERDH-PRINTDOC, sy-vline,
  WA_/SAPCE/IURU_ERDH-PRINTDOCLINE, sy-vline,
  WA_/SAPCE/IURU_ERDH-BELZART, sy-vline,
  WA_/SAPCE/IURU_ERDH-BUKRS, sy-vline,
  WA_/SAPCE/IURU_ERDH-SPARTE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPCE/IURU_ERDH 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_/SAPCE/IURU_ERDH 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_/SAPCE/IURU_ERDH INTO WA_/SAPCE/IURU_ERDH.


*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 OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/IURU_ERDH-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/IURU_ERDH-OPBEL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field VERTRAG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/IURU_ERDH-VERTRAG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/IURU_ERDH-VERTRAG.
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_/SAPCE/IURU_ERDH_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
INTOPBEL TYPE STRING,
PARTNER TYPE STRING,
VKONT TYPE STRING,
FORMKEY TYPE STRING,
PRINTDOC TYPE STRING,
PRINTDOCLINE TYPE STRING,
BELZART TYPE STRING,
BUKRS TYPE STRING,
SPARTE TYPE STRING,
VERTRAG TYPE STRING,
BETRW TYPE STRING,
SBASW TYPE STRING,
SBETW TYPE STRING,
BUDAT TYPE STRING,
FAEDN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPCE/IURU_ERDH_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_/SAPCE/IURU_ERDH_STR-MANDT sy-vline 
WA_/SAPCE/IURU_ERDH_STR-OPBEL sy-vline 
WA_/SAPCE/IURU_ERDH_STR-INTOPBEL sy-vline 
WA_/SAPCE/IURU_ERDH_STR-PARTNER sy-vline 
WA_/SAPCE/IURU_ERDH_STR-VKONT sy-vline 
WA_/SAPCE/IURU_ERDH_STR-FORMKEY sy-vline 
WA_/SAPCE/IURU_ERDH_STR-PRINTDOC sy-vline 
WA_/SAPCE/IURU_ERDH_STR-PRINTDOCLINE sy-vline 
WA_/SAPCE/IURU_ERDH_STR-BELZART sy-vline 
WA_/SAPCE/IURU_ERDH_STR-BUKRS sy-vline 
WA_/SAPCE/IURU_ERDH_STR-SPARTE sy-vline 
WA_/SAPCE/IURU_ERDH_STR-VERTRAG sy-vline 
WA_/SAPCE/IURU_ERDH_STR-BETRW sy-vline 
WA_/SAPCE/IURU_ERDH_STR-SBASW sy-vline 
WA_/SAPCE/IURU_ERDH_STR-SBETW sy-vline 
WA_/SAPCE/IURU_ERDH_STR-BUDAT sy-vline 
WA_/SAPCE/IURU_ERDH_STR-FAEDN sy-vline      INTO ld_text SEPARATED BY SPACE.

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