ABAP Select data from SAP table MMPUR_S_SSP_PR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_SSP_PR
*  INTO TABLE @DATA(IT_MMPUR_S_SSP_PR2).
*--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_MMPUR_S_SSP_PR INDEX 1 INTO DATA(WA_MMPUR_S_SSP_PR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_SSP_PR>-HEADER = 1.
<MMPUR_S_SSP_PR>-PURCHASEREQUISITION = 1.
<MMPUR_S_SSP_PR>-PURCHASEREQUISITIONTYPE = 1.
<MMPUR_S_SSP_PR>-PURREQNSSPREQUESTOR = 1.
<MMPUR_S_SSP_PR>-PURREQNSSPAUTHOR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_SSP_PR-CREATIONDATE, sy-vline,
  WA_MMPUR_S_SSP_PR-LASTCHANGEDATETIME, sy-vline,
  WA_MMPUR_S_SSP_PR-ISONBEHALFCART, sy-vline,
  WA_MMPUR_S_SSP_PR-BUSINESSUSER, sy-vline,
  WA_MMPUR_S_SSP_PR-PURREQNDESCRIPTION, sy-vline,
  WA_MMPUR_S_SSP_PR-EMPLOYEEFULLNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_SSP_PR 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_MMPUR_S_SSP_PR 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_MMPUR_S_SSP_PR INTO WA_MMPUR_S_SSP_PR.


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

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

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

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

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

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

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

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

*Conversion exit NUMCV, internal->external for field REVLV
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_SSP_PR-REVLV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_SSP_PR-REVLV.
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_MMPUR_S_SSP_PR_STR, 
HEADER TYPE STRING,
PURCHASEREQUISITION TYPE STRING,
PURCHASEREQUISITIONTYPE TYPE STRING,
PURREQNSSPREQUESTOR TYPE STRING,
PURREQNSSPAUTHOR TYPE STRING,
CREATIONDATE TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
ISONBEHALFCART TYPE STRING,
BUSINESSUSER TYPE STRING,
PURREQNDESCRIPTION TYPE STRING,
EMPLOYEEFULLNAME TYPE STRING,
PURREQNORIGIN TYPE STRING,
ISSRCHENABLED TYPE STRING,
PURREQNLIFECYCLESTATUS TYPE STRING,
PURREQNLIFECYCLESTATUSNAME TYPE STRING,
ISEXTPURGSCENARIO TYPE STRING,
PURREQNISCOPYDRAFT TYPE STRING,
NUMBEROFITEMS TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
CURRENCY TYPE STRING,
PURREQNISCREATEDINEXPERTMODE TYPE STRING,
ITEM TYPE STRING,
ACCOUNTING TYPE STRING,
DELIVERYADRRESS TYPE STRING,
ITEMTEXT TYPE STRING,
ACTIVEDOCUMENTKEY TYPE STRING,
VALUE_HELP_CONTROL_INPUT TYPE STRING,
FILTER_PARAMETERS TYPE STRING,
FILTER_STRING_ODATA TYPE STRING,
FILTER_OPTIONS_SCREEN TYPE STRING,
SERVICE_NAME TYPE STRING,
COMMUNICATION_SCENARIO_ID TYPE STRING,
BE_SRC_SYS TYPE STRING,
ENTITY_NAME TYPE STRING,
MATERIAL_PRICE_INPUT TYPE STRING,
FILTER_PARAMETERS TYPE STRING,
FILTER_STRING_ODATA TYPE STRING,
BE_SRC_SYS TYPE STRING,
ENTITY_NAME TYPE STRING,
BACKEND_VALIDATION_INPUT TYPE STRING,
FILTER_PARAMETERS TYPE STRING,
PARAMETERS TYPE STRING,
PLANT TYPE STRING,
COMPANYCODE TYPE STRING,
PORG TYPE STRING,
COSTCENTER TYPE STRING,
GLACCOUNT TYPE STRING,
DOCUMENTTYPE TYPE STRING,
SERVICE_NAME TYPE STRING,
COMMUNICATION_SCENARIO_ID TYPE STRING,
BE_SRC_SYS TYPE STRING,
ENTITY_NAME TYPE STRING,
DETERMINE_DEFAULTS_INPUT TYPE STRING,
FILTER_PARAMETERS TYPE STRING,
FILTER_STRING_ODATA TYPE STRING,
BE_SRC_SYS TYPE STRING,
ENTITY_NAME TYPE STRING,
SERVICE_NAME TYPE STRING,
EOP_HANDLING_INPUTS TYPE STRING,
FILTER_PARAMETERS TYPE STRING,
FILTER_STRING_ODATA TYPE STRING,
URL_PARAMETERS TYPE STRING,
BE_SRC_SYS TYPE STRING,
ENTITY_NAME TYPE STRING,
SERVICE_NAME TYPE STRING,
LASTFETCHED_TIMESTAMP TYPE STRING,
ISDOCUMENTRELEASED TYPE STRING,
ITEM_PRICE_INPUT TYPE STRING,
PARAMETERS TYPE STRING,
BESWK TYPE STRING,
BQPRA TYPE STRING,
EBZOM TYPE STRING,
FCALL TYPE STRING,
INFNR TYPE STRING,
KONNR TYPE STRING,
KTPNR TYPE STRING,
LIFNR TYPE STRING,
MATNR TYPE STRING,
NEDAT TYPE STRING,
PSTYP TYPE STRING,
REVLV TYPE STRING,
SCENARIO TYPE STRING,
VORGA TYPE STRING,
WAERS TYPE STRING,
WERKS TYPE STRING,
KNTTP TYPE STRING,
SERVICE_NAME TYPE STRING,
COMMUNICATION_SCENARIO_ID TYPE STRING,
BE_SRC_SYS TYPE STRING,
ENTITY_NAME TYPE STRING,
ATTACHMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_SSP_PR_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_MMPUR_S_SSP_PR_STR-HEADER sy-vline 
WA_MMPUR_S_SSP_PR_STR-PURCHASEREQUISITION sy-vline 
WA_MMPUR_S_SSP_PR_STR-PURCHASEREQUISITIONTYPE sy-vline 
WA_MMPUR_S_SSP_PR_STR-PURREQNSSPREQUESTOR sy-vline 
WA_MMPUR_S_SSP_PR_STR-PURREQNSSPAUTHOR sy-vline 
WA_MMPUR_S_SSP_PR_STR-CREATIONDATE sy-vline 
WA_MMPUR_S_SSP_PR_STR-LASTCHANGEDATETIME sy-vline 
WA_MMPUR_S_SSP_PR_STR-ISONBEHALFCART sy-vline 
WA_MMPUR_S_SSP_PR_STR-BUSINESSUSER sy-vline 
WA_MMPUR_S_SSP_PR_STR-PURREQNDESCRIPTION sy-vline 
WA_MMPUR_S_SSP_PR_STR-EMPLOYEEFULLNAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-PURREQNORIGIN sy-vline 
WA_MMPUR_S_SSP_PR_STR-ISSRCHENABLED sy-vline 
WA_MMPUR_S_SSP_PR_STR-PURREQNLIFECYCLESTATUS sy-vline 
WA_MMPUR_S_SSP_PR_STR-PURREQNLIFECYCLESTATUSNAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-ISEXTPURGSCENARIO sy-vline 
WA_MMPUR_S_SSP_PR_STR-PURREQNISCOPYDRAFT sy-vline 
WA_MMPUR_S_SSP_PR_STR-NUMBEROFITEMS sy-vline 
WA_MMPUR_S_SSP_PR_STR-TOTALNETAMOUNT sy-vline 
WA_MMPUR_S_SSP_PR_STR-CURRENCY sy-vline 
WA_MMPUR_S_SSP_PR_STR-PURREQNISCREATEDINEXPERTMODE sy-vline 
WA_MMPUR_S_SSP_PR_STR-ITEM sy-vline 
WA_MMPUR_S_SSP_PR_STR-ACCOUNTING sy-vline 
WA_MMPUR_S_SSP_PR_STR-DELIVERYADRRESS sy-vline 
WA_MMPUR_S_SSP_PR_STR-ITEMTEXT sy-vline 
WA_MMPUR_S_SSP_PR_STR-ACTIVEDOCUMENTKEY sy-vline 
WA_MMPUR_S_SSP_PR_STR-VALUE_HELP_CONTROL_INPUT sy-vline 
WA_MMPUR_S_SSP_PR_STR-FILTER_PARAMETERS sy-vline 
WA_MMPUR_S_SSP_PR_STR-FILTER_STRING_ODATA sy-vline 
WA_MMPUR_S_SSP_PR_STR-FILTER_OPTIONS_SCREEN sy-vline 
WA_MMPUR_S_SSP_PR_STR-SERVICE_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-COMMUNICATION_SCENARIO_ID sy-vline 
WA_MMPUR_S_SSP_PR_STR-BE_SRC_SYS sy-vline 
WA_MMPUR_S_SSP_PR_STR-ENTITY_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-MATERIAL_PRICE_INPUT sy-vline 
WA_MMPUR_S_SSP_PR_STR-FILTER_PARAMETERS sy-vline 
WA_MMPUR_S_SSP_PR_STR-FILTER_STRING_ODATA sy-vline 
WA_MMPUR_S_SSP_PR_STR-BE_SRC_SYS sy-vline 
WA_MMPUR_S_SSP_PR_STR-ENTITY_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-BACKEND_VALIDATION_INPUT sy-vline 
WA_MMPUR_S_SSP_PR_STR-FILTER_PARAMETERS sy-vline 
WA_MMPUR_S_SSP_PR_STR-PARAMETERS sy-vline 
WA_MMPUR_S_SSP_PR_STR-PLANT sy-vline 
WA_MMPUR_S_SSP_PR_STR-COMPANYCODE sy-vline 
WA_MMPUR_S_SSP_PR_STR-PORG sy-vline 
WA_MMPUR_S_SSP_PR_STR-COSTCENTER sy-vline 
WA_MMPUR_S_SSP_PR_STR-GLACCOUNT sy-vline 
WA_MMPUR_S_SSP_PR_STR-DOCUMENTTYPE sy-vline 
WA_MMPUR_S_SSP_PR_STR-SERVICE_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-COMMUNICATION_SCENARIO_ID sy-vline 
WA_MMPUR_S_SSP_PR_STR-BE_SRC_SYS sy-vline 
WA_MMPUR_S_SSP_PR_STR-ENTITY_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-DETERMINE_DEFAULTS_INPUT sy-vline 
WA_MMPUR_S_SSP_PR_STR-FILTER_PARAMETERS sy-vline 
WA_MMPUR_S_SSP_PR_STR-FILTER_STRING_ODATA sy-vline 
WA_MMPUR_S_SSP_PR_STR-BE_SRC_SYS sy-vline 
WA_MMPUR_S_SSP_PR_STR-ENTITY_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-SERVICE_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-EOP_HANDLING_INPUTS sy-vline 
WA_MMPUR_S_SSP_PR_STR-FILTER_PARAMETERS sy-vline 
WA_MMPUR_S_SSP_PR_STR-FILTER_STRING_ODATA sy-vline 
WA_MMPUR_S_SSP_PR_STR-URL_PARAMETERS sy-vline 
WA_MMPUR_S_SSP_PR_STR-BE_SRC_SYS sy-vline 
WA_MMPUR_S_SSP_PR_STR-ENTITY_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-SERVICE_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-LASTFETCHED_TIMESTAMP sy-vline 
WA_MMPUR_S_SSP_PR_STR-ISDOCUMENTRELEASED sy-vline 
WA_MMPUR_S_SSP_PR_STR-ITEM_PRICE_INPUT sy-vline 
WA_MMPUR_S_SSP_PR_STR-PARAMETERS sy-vline 
WA_MMPUR_S_SSP_PR_STR-BESWK sy-vline 
WA_MMPUR_S_SSP_PR_STR-BQPRA sy-vline 
WA_MMPUR_S_SSP_PR_STR-EBZOM sy-vline 
WA_MMPUR_S_SSP_PR_STR-FCALL sy-vline 
WA_MMPUR_S_SSP_PR_STR-INFNR sy-vline 
WA_MMPUR_S_SSP_PR_STR-KONNR sy-vline 
WA_MMPUR_S_SSP_PR_STR-KTPNR sy-vline 
WA_MMPUR_S_SSP_PR_STR-LIFNR sy-vline 
WA_MMPUR_S_SSP_PR_STR-MATNR sy-vline 
WA_MMPUR_S_SSP_PR_STR-NEDAT sy-vline 
WA_MMPUR_S_SSP_PR_STR-PSTYP sy-vline 
WA_MMPUR_S_SSP_PR_STR-REVLV sy-vline 
WA_MMPUR_S_SSP_PR_STR-SCENARIO sy-vline 
WA_MMPUR_S_SSP_PR_STR-VORGA sy-vline 
WA_MMPUR_S_SSP_PR_STR-WAERS sy-vline 
WA_MMPUR_S_SSP_PR_STR-WERKS sy-vline 
WA_MMPUR_S_SSP_PR_STR-KNTTP sy-vline 
WA_MMPUR_S_SSP_PR_STR-SERVICE_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-COMMUNICATION_SCENARIO_ID sy-vline 
WA_MMPUR_S_SSP_PR_STR-BE_SRC_SYS sy-vline 
WA_MMPUR_S_SSP_PR_STR-ENTITY_NAME sy-vline 
WA_MMPUR_S_SSP_PR_STR-ATTACHMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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