ABAP Select data from SAP table ITOBAPI_CREATE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ITOBAPI_CREATE
*  INTO TABLE @DATA(IT_ITOBAPI_CREATE2).
*--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_ITOBAPI_CREATE INDEX 1 INTO DATA(WA_ITOBAPI_CREATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ITOBAPI_CREATE>-KZLTX = 1.
<ITOBAPI_CREATE>-TXASP = 1.
<ITOBAPI_CREATE>-BEGRU = 1.
<ITOBAPI_CREATE>-EQART = 1.
<ITOBAPI_CREATE>-INVNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ITOBAPI_CREATE-GROES, sy-vline,
  WA_ITOBAPI_CREATE-BRGEW, sy-vline,
  WA_ITOBAPI_CREATE-GEWEI, sy-vline,
  WA_ITOBAPI_CREATE-ANSDT, sy-vline,
  WA_ITOBAPI_CREATE-ANSWT, sy-vline,
  WA_ITOBAPI_CREATE-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ITOBAPI_CREATE 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_ITOBAPI_CREATE 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_ITOBAPI_CREATE INTO WA_ITOBAPI_CREATE.


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

*Conversion exit GJAHR, internal->external for field BAUJJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ITOBAPI_CREATE-BAUJJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBAPI_CREATE-BAUJJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SUBMT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ITOBAPI_CREATE-SUBMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBAPI_CREATE-SUBMT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABPSP, internal->external for field PROID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_ITOBAPI_CREATE-PROID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBAPI_CREATE-PROID.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ITOBAPI_CREATE-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITOBAPI_CREATE-AUFNR.
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_ITOBAPI_CREATE_STR, 
KZLTX TYPE STRING,
TXASP TYPE STRING,
BEGRU TYPE STRING,
EQART TYPE STRING,
INVNR TYPE STRING,
GROES TYPE STRING,
BRGEW TYPE STRING,
GEWEI TYPE STRING,
ANSDT TYPE STRING,
ANSWT TYPE STRING,
WAERS TYPE STRING,
HERST TYPE STRING,
HERLD TYPE STRING,
SERGE TYPE STRING,
TYPBZ TYPE STRING,
BAUJJ TYPE STRING,
BAUMM TYPE STRING,
INBDT TYPE STRING,
IWERK TYPE STRING,
SUBMT TYPE STRING,
MAPAR TYPE STRING,
INGRP TYPE STRING,
RBNR TYPE STRING,
WKCTR TYPE STRING,
SHTXT TYPE STRING,
ABCKZ TYPE STRING,
EQFNR TYPE STRING,
SWERK TYPE STRING,
STORT TYPE STRING,
MSGRP TYPE STRING,
BEBER TYPE STRING,
PPSID TYPE STRING,
GSBER TYPE STRING,
KOSTL TYPE STRING,
PROID TYPE STRING,
BUKRS TYPE STRING,
ANLNR TYPE STRING,
ANLUN TYPE STRING,
DAUFN TYPE STRING,
AUFNR TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VKBUR TYPE STRING,
VKGRP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ITOBAPI_CREATE_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_ITOBAPI_CREATE_STR-KZLTX sy-vline 
WA_ITOBAPI_CREATE_STR-TXASP sy-vline 
WA_ITOBAPI_CREATE_STR-BEGRU sy-vline 
WA_ITOBAPI_CREATE_STR-EQART sy-vline 
WA_ITOBAPI_CREATE_STR-INVNR sy-vline 
WA_ITOBAPI_CREATE_STR-GROES sy-vline 
WA_ITOBAPI_CREATE_STR-BRGEW sy-vline 
WA_ITOBAPI_CREATE_STR-GEWEI sy-vline 
WA_ITOBAPI_CREATE_STR-ANSDT sy-vline 
WA_ITOBAPI_CREATE_STR-ANSWT sy-vline 
WA_ITOBAPI_CREATE_STR-WAERS sy-vline 
WA_ITOBAPI_CREATE_STR-HERST sy-vline 
WA_ITOBAPI_CREATE_STR-HERLD sy-vline 
WA_ITOBAPI_CREATE_STR-SERGE sy-vline 
WA_ITOBAPI_CREATE_STR-TYPBZ sy-vline 
WA_ITOBAPI_CREATE_STR-BAUJJ sy-vline 
WA_ITOBAPI_CREATE_STR-BAUMM sy-vline 
WA_ITOBAPI_CREATE_STR-INBDT sy-vline 
WA_ITOBAPI_CREATE_STR-IWERK sy-vline 
WA_ITOBAPI_CREATE_STR-SUBMT sy-vline 
WA_ITOBAPI_CREATE_STR-MAPAR sy-vline 
WA_ITOBAPI_CREATE_STR-INGRP sy-vline 
WA_ITOBAPI_CREATE_STR-RBNR sy-vline 
WA_ITOBAPI_CREATE_STR-WKCTR sy-vline 
WA_ITOBAPI_CREATE_STR-SHTXT sy-vline 
WA_ITOBAPI_CREATE_STR-ABCKZ sy-vline 
WA_ITOBAPI_CREATE_STR-EQFNR sy-vline 
WA_ITOBAPI_CREATE_STR-SWERK sy-vline 
WA_ITOBAPI_CREATE_STR-STORT sy-vline 
WA_ITOBAPI_CREATE_STR-MSGRP sy-vline 
WA_ITOBAPI_CREATE_STR-BEBER sy-vline 
WA_ITOBAPI_CREATE_STR-PPSID sy-vline 
WA_ITOBAPI_CREATE_STR-GSBER sy-vline 
WA_ITOBAPI_CREATE_STR-KOSTL sy-vline 
WA_ITOBAPI_CREATE_STR-PROID sy-vline 
WA_ITOBAPI_CREATE_STR-BUKRS sy-vline 
WA_ITOBAPI_CREATE_STR-ANLNR sy-vline 
WA_ITOBAPI_CREATE_STR-ANLUN sy-vline 
WA_ITOBAPI_CREATE_STR-DAUFN sy-vline 
WA_ITOBAPI_CREATE_STR-AUFNR sy-vline 
WA_ITOBAPI_CREATE_STR-VKORG sy-vline 
WA_ITOBAPI_CREATE_STR-VTWEG sy-vline 
WA_ITOBAPI_CREATE_STR-SPART sy-vline 
WA_ITOBAPI_CREATE_STR-VKBUR sy-vline 
WA_ITOBAPI_CREATE_STR-VKGRP sy-vline      INTO ld_text SEPARATED BY SPACE.

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