ABAP Select data from SAP table /ACCGO/CAK_S_MASS_PRC_EXP_AMDP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/CAK_S_MASS_PRC_EXP_AMDP 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 /ACCGO/CAK_S_MASS_PRC_EXP_AMDP. 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 /ACCGO/CAK_S_MASS_PRC_EXP_AMDP 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_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP TYPE STANDARD TABLE OF /ACCGO/CAK_S_MASS_PRC_EXP_AMDP,
      WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP TYPE /ACCGO/CAK_S_MASS_PRC_EXP_AMDP,
      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: </ACCGO/CAK_S_MASS_PRC_EXP_AMDP> TYPE /ACCGO/CAK_S_MASS_PRC_EXP_AMDP.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/CAK_S_MASS_PRC_EXP_AMDP
  INTO TABLE IT_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CAK_S_MASS_PRC_EXP_AMDP
*  INTO TABLE @DATA(IT_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP2).
*--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_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP INDEX 1 INTO DATA(WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP ASSIGNING </ACCGO/CAK_S_MASS_PRC_EXP_AMDP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CAK_S_MASS_PRC_EXP_AMDP>-CONTRACT_NO = 1.
</ACCGO/CAK_S_MASS_PRC_EXP_AMDP>-KNUMV_SD = 1.
</ACCGO/CAK_S_MASS_PRC_EXP_AMDP>-ITEM_NO = 1.
</ACCGO/CAK_S_MASS_PRC_EXP_AMDP>-ITEM_QUAN = 1.
</ACCGO/CAK_S_MASS_PRC_EXP_AMDP>-UOM = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP INTO WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-MATERAL, sy-vline,
  WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-KNUMV_MM, sy-vline,
  WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-PHYSICAL_COMM, sy-vline,
  WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-UNDERLYING_COMM, sy-vline,
  WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-TERM_NO, sy-vline,
  WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-PRICING_QUAN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP 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_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP 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_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP INTO WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP.


*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 CONTRACT_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-CONTRACT_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-CONTRACT_NO.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ACM01, internal->external for field CONDITION_STATUS
CALL FUNCTION 'CONVERSION_EXIT_ACM01_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-CONDITION_STATUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-CONDITION_STATUS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit EXCRS, internal->external for field PROV_FX
CALL FUNCTION 'CONVERSION_EXIT_EXCRS_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-PROV_FX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-PROV_FX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRS, internal->external for field FIXED_FX
CALL FUNCTION 'CONVERSION_EXIT_EXCRS_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-FIXED_FX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-FIXED_FX.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field DOCUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-DOCUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP-DOCUOM.
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_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR, 
CONTRACT_NO TYPE STRING,
KNUMV_SD TYPE STRING,
ITEM_NO TYPE STRING,
ITEM_QUAN TYPE STRING,
UOM TYPE STRING,
MATERAL TYPE STRING,
KNUMV_MM TYPE STRING,
PHYSICAL_COMM TYPE STRING,
UNDERLYING_COMM TYPE STRING,
TERM_NO TYPE STRING,
PRICING_QUAN TYPE STRING,
UOM_PQUAN TYPE STRING,
PRICE_FX_STAT TYPE STRING,
PRICE_METH_FUT TYPE STRING,
CONDITION_TYPE TYPE STRING,
CONDITION_TEXT TYPE STRING,
CONDITION_STATUS TYPE STRING,
AMOUNT TYPE STRING,
CONDITION_CURRENCY TYPE STRING,
PRICE_UNIT TYPE STRING,
UNIT TYPE STRING,
TRADE_CURRENCY TYPE STRING,
PROV_FX TYPE STRING,
FIXED_FX TYPE STRING,
DCS_ID TYPE STRING,
DCSID_TEXT TYPE STRING,
MIC TYPE STRING,
MIC_DESC TYPE STRING,
MATURITY_CODE TYPE STRING,
KEY_DATE TYPE STRING,
DOCUOM TYPE STRING,
REASON_CODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_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_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-CONTRACT_NO sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-KNUMV_SD sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-ITEM_NO sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-ITEM_QUAN sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-UOM sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-MATERAL sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-KNUMV_MM sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-PHYSICAL_COMM sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-UNDERLYING_COMM sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-TERM_NO sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-PRICING_QUAN sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-UOM_PQUAN sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-PRICE_FX_STAT sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-PRICE_METH_FUT sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-CONDITION_TYPE sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-CONDITION_TEXT sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-CONDITION_STATUS sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-AMOUNT sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-CONDITION_CURRENCY sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-PRICE_UNIT sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-UNIT sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-TRADE_CURRENCY sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-PROV_FX sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-FIXED_FX sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-DCS_ID sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-DCSID_TEXT sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-MIC sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-MIC_DESC sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-MATURITY_CODE sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-KEY_DATE sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-DOCUOM sy-vline 
WA_/ACCGO/CAK_S_MASS_PRC_EXP_AMDP_STR-REASON_CODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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