ABAP Select data from SAP table ICORDSTA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICORDSTA
*  INTO TABLE @DATA(IT_ICORDSTA2).
*--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_ICORDSTA INDEX 1 INTO DATA(WA_ICORDSTA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICORDSTA>-FISCVAR = 1.
<ICORDSTA>-FISCPER = 1.
<ICORDSTA>-KOKRS = 1.
<ICORDSTA>-AUFNR = 1.
<ICORDSTA>-AUTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICORDSTA-STAGR, sy-vline,
  WA_ICORDSTA-WRTTP, sy-vline,
  WA_ICORDSTA-VTYPE, sy-vline,
  WA_ICORDSTA-VTSTAT, sy-vline,
  WA_ICORDSTA-VERSN, sy-vline,
  WA_ICORDSTA-MEASTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICORDSTA 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_ICORDSTA 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_ICORDSTA INTO WA_ICORDSTA.


*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 PERI7, internal->external for field FISCPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_ICORDSTA-FISCPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICORDSTA-FISCPER.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ICORDSTA-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICORDSTA-MEINH.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PGRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICORDSTA-PGRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICORDSTA-PGRANT_NBR.
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_ICORDSTA_STR, 
FISCVAR TYPE STRING,
FISCPER TYPE STRING,
KOKRS TYPE STRING,
AUFNR TYPE STRING,
AUTYP TYPE STRING,
STAGR TYPE STRING,
WRTTP TYPE STRING,
VTYPE TYPE STRING,
VTSTAT TYPE STRING,
VERSN TYPE STRING,
MEASTYPE TYPE STRING,
SSME TYPE STRING,
SSMED TYPE STRING,
MEINH TYPE STRING,
OBJNR TYPE STRING,
GEBER TYPE STRING,
PGEBER TYPE STRING,
FKBER TYPE STRING,
PFKBER TYPE STRING,
GRANT_NBR TYPE STRING,
PGRANT_NBR TYPE STRING,
FIKRS TYPE STRING,
BUDGET_PD TYPE STRING,
PBUDGET_PD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICORDSTA_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_ICORDSTA_STR-FISCVAR sy-vline 
WA_ICORDSTA_STR-FISCPER sy-vline 
WA_ICORDSTA_STR-KOKRS sy-vline 
WA_ICORDSTA_STR-AUFNR sy-vline 
WA_ICORDSTA_STR-AUTYP sy-vline 
WA_ICORDSTA_STR-STAGR sy-vline 
WA_ICORDSTA_STR-WRTTP sy-vline 
WA_ICORDSTA_STR-VTYPE sy-vline 
WA_ICORDSTA_STR-VTSTAT sy-vline 
WA_ICORDSTA_STR-VERSN sy-vline 
WA_ICORDSTA_STR-MEASTYPE sy-vline 
WA_ICORDSTA_STR-SSME sy-vline 
WA_ICORDSTA_STR-SSMED sy-vline 
WA_ICORDSTA_STR-MEINH sy-vline 
WA_ICORDSTA_STR-OBJNR sy-vline 
WA_ICORDSTA_STR-GEBER sy-vline 
WA_ICORDSTA_STR-PGEBER sy-vline 
WA_ICORDSTA_STR-FKBER sy-vline 
WA_ICORDSTA_STR-PFKBER sy-vline 
WA_ICORDSTA_STR-GRANT_NBR sy-vline 
WA_ICORDSTA_STR-PGRANT_NBR sy-vline 
WA_ICORDSTA_STR-FIKRS sy-vline 
WA_ICORDSTA_STR-BUDGET_PD sy-vline 
WA_ICORDSTA_STR-PBUDGET_PD sy-vline      INTO ld_text SEPARATED BY SPACE.

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