ABAP Select data from SAP table DMEE_AEI_DOC_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DMEE_AEI_DOC_DATA
*  INTO TABLE @DATA(IT_DMEE_AEI_DOC_DATA2).
*--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_DMEE_AEI_DOC_DATA INDEX 1 INTO DATA(WA_DMEE_AEI_DOC_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DMEE_AEI_DOC_DATA>-BILL_DOC_DET_HEADER = 1.
<DMEE_AEI_DOC_DATA>-DOC_NO = 1.
<DMEE_AEI_DOC_DATA>-UNIQUE_EXP_CODE = 1.
<DMEE_AEI_DOC_DATA>-J_1AOFTP_D = 1.
<DMEE_AEI_DOC_DATA>-J_1ABRNCH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DMEE_AEI_DOC_DATA-BILLCUIT, sy-vline,
  WA_DMEE_AEI_DOC_DATA-BILL_DATE, sy-vline,
  WA_DMEE_AEI_DOC_DATA-GJAHR, sy-vline,
  WA_DMEE_AEI_DOC_DATA-DOC_LANGU, sy-vline,
  WA_DMEE_AEI_DOC_DATA-EXPO_TYPE, sy-vline,
  WA_DMEE_AEI_DOC_DATA-AUTHORIZE_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DMEE_AEI_DOC_DATA 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_DMEE_AEI_DOC_DATA 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_DMEE_AEI_DOC_DATA INTO WA_DMEE_AEI_DOC_DATA.


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

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

*Conversion exit EXCRT, internal->external for field EXCHANGE_RATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_DMEE_AEI_DOC_DATA-EXCHANGE_RATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DMEE_AEI_DOC_DATA-EXCHANGE_RATE.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AC152, internal->external for field USERFIELDNUM1
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_DMEE_AEI_DOC_DATA-USERFIELDNUM1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DMEE_AEI_DOC_DATA-USERFIELDNUM1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field USERFIELDNUM2
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_DMEE_AEI_DOC_DATA-USERFIELDNUM2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DMEE_AEI_DOC_DATA-USERFIELDNUM2.
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_DMEE_AEI_DOC_DATA_STR, 
BILL_DOC_DET_HEADER TYPE STRING,
DOC_NO TYPE STRING,
UNIQUE_EXP_CODE TYPE STRING,
J_1AOFTP_D TYPE STRING,
J_1ABRNCH TYPE STRING,
BILLCUIT TYPE STRING,
BILL_DATE TYPE STRING,
GJAHR TYPE STRING,
DOC_LANGU TYPE STRING,
EXPO_TYPE TYPE STRING,
AUTHORIZE_CODE TYPE STRING,
CURR_ID TYPE STRING,
EXCHANGE_RATE TYPE STRING,
DEST_CTY TYPE STRING,
REC_DOC_CLS TYPE STRING,
BUYER_CUIT TYPE STRING,
BUYER_TAX_ID TYPE STRING,
BUYER_NAME TYPE STRING,
BUYER_ADDR TYPE STRING,
DOC_TOT_AMT TYPE STRING,
PAY_MEAN_CODE TYPE STRING,
PAY_MEAN_DESC TYPE STRING,
INCOTERM TYPE STRING,
COMM_COMMENT TYPE STRING,
SHIP_CODE TYPE STRING,
DESTINATION TYPE STRING,
REF_DOC_TYPE TYPE STRING,
BRANCH TYPE STRING,
REF_DOC_NUM TYPE STRING,
OTHER_GEN_DATA TYPE STRING,
EXTRA_DATE1 TYPE STRING,
TEXT_FIELD10 TYPE STRING,
TEXT_FIELD25 TYPE STRING,
TEXT_FIELD_250 TYPE STRING,
DECIMAL_FIELD1 TYPE STRING,
CURR_FIELD TYPE STRING,
CTY_CODE TYPE STRING,
SHIP_CODE1 TYPE STRING,
SHIP_CODE2 TYPE STRING,
SHIP_CODE3 TYPE STRING,
SHIP_CODE4 TYPE STRING,
SHIP_CODE5 TYPE STRING,
SHIP_CODE6 TYPE STRING,
DEST1 TYPE STRING,
DEST2 TYPE STRING,
DEST3 TYPE STRING,
DEST4 TYPE STRING,
DEST5 TYPE STRING,
DEST6 TYPE STRING,
CURR_CODE TYPE STRING,
BILL_DOC_DET_ITEM TYPE STRING,
BURKS TYPE STRING,
J_1ABRNCH TYPE STRING,
BILL_DOC_NO TYPE STRING,
POSNR TYPE STRING,
MATNR_CODE TYPE STRING,
MATNR_DESC TYPE STRING,
UOM TYPE STRING,
QUANTITY TYPE STRING,
UNIT_PRICE TYPE STRING,
CURR_ID TYPE STRING,
ITEM_TOT_AMT TYPE STRING,
OTHER_DATA TYPE STRING,
QUAN_FIELD TYPE STRING,
DATE_FIELD TYPE STRING,
COUNT_FIELD TYPE STRING,
NUM_FIELD2 TYPE STRING,
TEXT_FIELD_250 TYPE STRING,
USER_FIELD_1 TYPE STRING,
USER_FIELD_2 TYPE STRING,
USER_FIELD_3 TYPE STRING,
USER_FIELD_4 TYPE STRING,
USER_FIELD_A TYPE STRING,
USER_FIELD_B TYPE STRING,
USERFIELDNUM1 TYPE STRING,
USERFIELDNUM2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DMEE_AEI_DOC_DATA_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_DMEE_AEI_DOC_DATA_STR-BILL_DOC_DET_HEADER sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DOC_NO sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-UNIQUE_EXP_CODE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-J_1AOFTP_D sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-J_1ABRNCH sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-BILLCUIT sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-BILL_DATE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-GJAHR sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DOC_LANGU sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-EXPO_TYPE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-AUTHORIZE_CODE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-CURR_ID sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-EXCHANGE_RATE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DEST_CTY sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-REC_DOC_CLS sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-BUYER_CUIT sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-BUYER_TAX_ID sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-BUYER_NAME sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-BUYER_ADDR sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DOC_TOT_AMT sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-PAY_MEAN_CODE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-PAY_MEAN_DESC sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-INCOTERM sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-COMM_COMMENT sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-SHIP_CODE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DESTINATION sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-REF_DOC_TYPE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-BRANCH sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-REF_DOC_NUM sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-OTHER_GEN_DATA sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-EXTRA_DATE1 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-TEXT_FIELD10 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-TEXT_FIELD25 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-TEXT_FIELD_250 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DECIMAL_FIELD1 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-CURR_FIELD sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-CTY_CODE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-SHIP_CODE1 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-SHIP_CODE2 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-SHIP_CODE3 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-SHIP_CODE4 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-SHIP_CODE5 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-SHIP_CODE6 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DEST1 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DEST2 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DEST3 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DEST4 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DEST5 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DEST6 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-CURR_CODE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-BILL_DOC_DET_ITEM sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-BURKS sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-J_1ABRNCH sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-BILL_DOC_NO sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-POSNR sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-MATNR_CODE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-MATNR_DESC sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-UOM sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-QUANTITY sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-UNIT_PRICE sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-CURR_ID sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-ITEM_TOT_AMT sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-OTHER_DATA sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-QUAN_FIELD sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-DATE_FIELD sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-COUNT_FIELD sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-NUM_FIELD2 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-TEXT_FIELD_250 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-USER_FIELD_1 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-USER_FIELD_2 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-USER_FIELD_3 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-USER_FIELD_4 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-USER_FIELD_A sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-USER_FIELD_B sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-USERFIELDNUM1 sy-vline 
WA_DMEE_AEI_DOC_DATA_STR-USERFIELDNUM2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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