ABAP Select data from SAP table TESTEQUITR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TESTEQUITR
*  INTO TABLE @DATA(IT_TESTEQUITR2).
*--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_TESTEQUITR INDEX 1 INTO DATA(WA_TESTEQUITR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TESTEQUITR>-PRUEFLOS = 1.
<TESTEQUITR>-VORNR = 1.
<TESTEQUITR>-MERKNR = 1.
<TESTEQUITR>-KURZTEXT = 1.
<TESTEQUITR>-MATNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TESTEQUITR-MAKTX, sy-vline,
  WA_TESTEQUITR-WERK, sy-vline,
  WA_TESTEQUITR-STAT02, sy-vline,
  WA_TESTEQUITR-STAT07, sy-vline,
  WA_TESTEQUITR-ART, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_TESTEQUITR 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_TESTEQUITR 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_TESTEQUITR INTO WA_TESTEQUITR.


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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_TESTEQUITR-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TESTEQUITR-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_TESTEQUITR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TESTEQUITR-MATNR.
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_TESTEQUITR_STR, 
PRUEFLOS TYPE STRING,
VORNR TYPE STRING,
MERKNR TYPE STRING,
KURZTEXT TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
WERK TYPE STRING,
STAT02 TYPE STRING,
STAT07 TYPE STRING,
ART TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TESTEQUITR_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_TESTEQUITR_STR-PRUEFLOS sy-vline 
WA_TESTEQUITR_STR-VORNR sy-vline 
WA_TESTEQUITR_STR-MERKNR sy-vline 
WA_TESTEQUITR_STR-KURZTEXT sy-vline 
WA_TESTEQUITR_STR-MATNR sy-vline 
WA_TESTEQUITR_STR-MAKTX sy-vline 
WA_TESTEQUITR_STR-WERK sy-vline 
WA_TESTEQUITR_STR-STAT02 sy-vline 
WA_TESTEQUITR_STR-STAT07 sy-vline 
WA_TESTEQUITR_STR-ART sy-vline      INTO ld_text SEPARATED BY SPACE.

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