ABAP Select data from SAP table AESCHOIRFC into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP AESCHOIRFC 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 AESCHOIRFC. 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 AESCHOIRFC 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_AESCHOIRFC TYPE STANDARD TABLE OF AESCHOIRFC,
      WA_AESCHOIRFC TYPE AESCHOIRFC,
      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: <AESCHOIRFC> TYPE AESCHOIRFC.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AESCHOIRFC
*  INTO TABLE @DATA(IT_AESCHOIRFC2).
*--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_AESCHOIRFC INDEX 1 INTO DATA(WA_AESCHOIRFC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AESCHOIRFC>-ID = 1.
<AESCHOIRFC>-RANKING = 1.
<AESCHOIRFC>-PERCENTAGE = 1.
<AESCHOIRFC>-ADDR_SHORT = 1.
<AESCHOIRFC>-ADDRESS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AESCHOIRFC-NAME_CO, sy-vline,
  WA_AESCHOIRFC-CITY1, sy-vline,
  WA_AESCHOIRFC-CITY2, sy-vline,
  WA_AESCHOIRFC-CITY_CODE, sy-vline,
  WA_AESCHOIRFC-CITYP_CODE, sy-vline,
  WA_AESCHOIRFC-HOME_CITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AESCHOIRFC 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_AESCHOIRFC 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_AESCHOIRFC INTO WA_AESCHOIRFC.


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

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

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

*Conversion exit ALPHA, internal->external for field CITY_CODE2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_AESCHOIRFC-CITY_CODE2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AESCHOIRFC-CITY_CODE2.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_AESCHOIRFC-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AESCHOIRFC-LANGU.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field LANGU_CREA
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_AESCHOIRFC-LANGU_CREA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AESCHOIRFC-LANGU_CREA.
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_AESCHOIRFC_STR, 
ID TYPE STRING,
RANKING TYPE STRING,
PERCENTAGE TYPE STRING,
ADDR_SHORT TYPE STRING,
ADDRESS TYPE STRING,
NAME_CO TYPE STRING,
CITY1 TYPE STRING,
CITY2 TYPE STRING,
CITY_CODE TYPE STRING,
CITYP_CODE TYPE STRING,
HOME_CITY TYPE STRING,
CITYH_CODE TYPE STRING,
REGIOGROUP TYPE STRING,
POST_CODE1 TYPE STRING,
POST_CODE2 TYPE STRING,
POST_CODE3 TYPE STRING,
PCODE1_EXT TYPE STRING,
PCODE2_EXT TYPE STRING,
PCODE3_EXT TYPE STRING,
PO_BOX TYPE STRING,
PO_BOX_NUM TYPE STRING,
PO_BOX_LOC TYPE STRING,
CITY_CODE2 TYPE STRING,
PO_BOX_REG TYPE STRING,
PO_BOX_CTY TYPE STRING,
POSTALAREA TYPE STRING,
TRANSPZONE TYPE STRING,
STREET TYPE STRING,
STREETCODE TYPE STRING,
STREETABBR TYPE STRING,
HOUSE_NUM1 TYPE STRING,
HOUSE_NUM2 TYPE STRING,
HOUSE_NUM3 TYPE STRING,
STR_SUPPL1 TYPE STRING,
STR_SUPPL2 TYPE STRING,
STR_SUPPL3 TYPE STRING,
LOCATION TYPE STRING,
BUILDING TYPE STRING,
FLOOR TYPE STRING,
ROOMNUMBER TYPE STRING,
COUNTRY TYPE STRING,
LANGU TYPE STRING,
REGION TYPE STRING,
SORT1 TYPE STRING,
SORT2 TYPE STRING,
SORT_PHN TYPE STRING,
ADDRORIGIN TYPE STRING,
EXTENSION1 TYPE STRING,
EXTENSION2 TYPE STRING,
TIME_ZONE TYPE STRING,
TAXJURCODE TYPE STRING,
ADDRESS_ID TYPE STRING,
REMARK TYPE STRING,
LANGU_CREA TYPE STRING,
COUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AESCHOIRFC_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_AESCHOIRFC_STR-ID sy-vline 
WA_AESCHOIRFC_STR-RANKING sy-vline 
WA_AESCHOIRFC_STR-PERCENTAGE sy-vline 
WA_AESCHOIRFC_STR-ADDR_SHORT sy-vline 
WA_AESCHOIRFC_STR-ADDRESS sy-vline 
WA_AESCHOIRFC_STR-NAME_CO sy-vline 
WA_AESCHOIRFC_STR-CITY1 sy-vline 
WA_AESCHOIRFC_STR-CITY2 sy-vline 
WA_AESCHOIRFC_STR-CITY_CODE sy-vline 
WA_AESCHOIRFC_STR-CITYP_CODE sy-vline 
WA_AESCHOIRFC_STR-HOME_CITY sy-vline 
WA_AESCHOIRFC_STR-CITYH_CODE sy-vline 
WA_AESCHOIRFC_STR-REGIOGROUP sy-vline 
WA_AESCHOIRFC_STR-POST_CODE1 sy-vline 
WA_AESCHOIRFC_STR-POST_CODE2 sy-vline 
WA_AESCHOIRFC_STR-POST_CODE3 sy-vline 
WA_AESCHOIRFC_STR-PCODE1_EXT sy-vline 
WA_AESCHOIRFC_STR-PCODE2_EXT sy-vline 
WA_AESCHOIRFC_STR-PCODE3_EXT sy-vline 
WA_AESCHOIRFC_STR-PO_BOX sy-vline 
WA_AESCHOIRFC_STR-PO_BOX_NUM sy-vline 
WA_AESCHOIRFC_STR-PO_BOX_LOC sy-vline 
WA_AESCHOIRFC_STR-CITY_CODE2 sy-vline 
WA_AESCHOIRFC_STR-PO_BOX_REG sy-vline 
WA_AESCHOIRFC_STR-PO_BOX_CTY sy-vline 
WA_AESCHOIRFC_STR-POSTALAREA sy-vline 
WA_AESCHOIRFC_STR-TRANSPZONE sy-vline 
WA_AESCHOIRFC_STR-STREET sy-vline 
WA_AESCHOIRFC_STR-STREETCODE sy-vline 
WA_AESCHOIRFC_STR-STREETABBR sy-vline 
WA_AESCHOIRFC_STR-HOUSE_NUM1 sy-vline 
WA_AESCHOIRFC_STR-HOUSE_NUM2 sy-vline 
WA_AESCHOIRFC_STR-HOUSE_NUM3 sy-vline 
WA_AESCHOIRFC_STR-STR_SUPPL1 sy-vline 
WA_AESCHOIRFC_STR-STR_SUPPL2 sy-vline 
WA_AESCHOIRFC_STR-STR_SUPPL3 sy-vline 
WA_AESCHOIRFC_STR-LOCATION sy-vline 
WA_AESCHOIRFC_STR-BUILDING sy-vline 
WA_AESCHOIRFC_STR-FLOOR sy-vline 
WA_AESCHOIRFC_STR-ROOMNUMBER sy-vline 
WA_AESCHOIRFC_STR-COUNTRY sy-vline 
WA_AESCHOIRFC_STR-LANGU sy-vline 
WA_AESCHOIRFC_STR-REGION sy-vline 
WA_AESCHOIRFC_STR-SORT1 sy-vline 
WA_AESCHOIRFC_STR-SORT2 sy-vline 
WA_AESCHOIRFC_STR-SORT_PHN sy-vline 
WA_AESCHOIRFC_STR-ADDRORIGIN sy-vline 
WA_AESCHOIRFC_STR-EXTENSION1 sy-vline 
WA_AESCHOIRFC_STR-EXTENSION2 sy-vline 
WA_AESCHOIRFC_STR-TIME_ZONE sy-vline 
WA_AESCHOIRFC_STR-TAXJURCODE sy-vline 
WA_AESCHOIRFC_STR-ADDRESS_ID sy-vline 
WA_AESCHOIRFC_STR-REMARK sy-vline 
WA_AESCHOIRFC_STR-LANGU_CREA sy-vline 
WA_AESCHOIRFC_STR-COUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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