ABAP Select data from SAP table PMMSPNDCNTRT1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PMMSPNDCNTRT1 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 PMMSPNDCNTRT1. 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 PMMSPNDCNTRT1 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_PMMSPNDCNTRT1 TYPE STANDARD TABLE OF PMMSPNDCNTRT1,
      WA_PMMSPNDCNTRT1 TYPE PMMSPNDCNTRT1,
      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: <PMMSPNDCNTRT1> TYPE PMMSPNDCNTRT1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PMMSPNDCNTRT1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PMMSPNDCNTRT1
  INTO TABLE IT_PMMSPNDCNTRT1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMSPNDCNTRT1
*  INTO TABLE @DATA(IT_PMMSPNDCNTRT12).
*--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_PMMSPNDCNTRT1 INDEX 1 INTO DATA(WA_PMMSPNDCNTRT12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PMMSPNDCNTRT1 ASSIGNING <PMMSPNDCNTRT1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMMSPNDCNTRT1>-MANDT = 1.
<PMMSPNDCNTRT1>-PURCHASEORDER = 1.
<PMMSPNDCNTRT1>-PURCHASEORDERITEM = 1.
<PMMSPNDCNTRT1>-ACCOUNTASSIGNMENTNUMBER = 1.
<PMMSPNDCNTRT1>-MATERIALGROUP = 1.

ENDLOOP.

LOOP AT IT_PMMSPNDCNTRT1 INTO WA_PMMSPNDCNTRT1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMSPNDCNTRT1-PURCHASEORDERTYPE, sy-vline,
  WA_PMMSPNDCNTRT1-PURCHASINGORGANIZATION, sy-vline,
  WA_PMMSPNDCNTRT1-PURCHASINGGROUP, sy-vline,
  WA_PMMSPNDCNTRT1-PURCHASEOUTLINEAGREEMENT, sy-vline,
  WA_PMMSPNDCNTRT1-PURCHASEOUTLINEAGREEMENTITEM, sy-vline,
  WA_PMMSPNDCNTRT1-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMSPNDCNTRT1 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_PMMSPNDCNTRT1 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_PMMSPNDCNTRT1 INTO WA_PMMSPNDCNTRT1.


*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 PURCHASEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMSPNDCNTRT1-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMSPNDCNTRT1-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASEOUTLINEAGREEMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMSPNDCNTRT1-PURCHASEOUTLINEAGREEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMSPNDCNTRT1-PURCHASEOUTLINEAGREEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMSPNDCNTRT1-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMSPNDCNTRT1-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PMMSPNDCNTRT1-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMSPNDCNTRT1-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field WBSELEMENTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_PMMSPNDCNTRT1-WBSELEMENTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMSPNDCNTRT1-WBSELEMENTINTERNALID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMSPNDCNTRT1-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMSPNDCNTRT1-COSTCENTER.
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_PMMSPNDCNTRT1_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
ACCOUNTASSIGNMENTNUMBER TYPE STRING,
MATERIALGROUP TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASEOUTLINEAGREEMENT TYPE STRING,
PURCHASEOUTLINEAGREEMENTITEM TYPE STRING,
CURRENCY TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
SUPPLIER TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
COSTCENTER TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
PURCHASEORDERAMOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMSPNDCNTRT1_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_PMMSPNDCNTRT1_STR-MANDT sy-vline 
WA_PMMSPNDCNTRT1_STR-PURCHASEORDER sy-vline 
WA_PMMSPNDCNTRT1_STR-PURCHASEORDERITEM sy-vline 
WA_PMMSPNDCNTRT1_STR-ACCOUNTASSIGNMENTNUMBER sy-vline 
WA_PMMSPNDCNTRT1_STR-MATERIALGROUP sy-vline 
WA_PMMSPNDCNTRT1_STR-PURCHASEORDERTYPE sy-vline 
WA_PMMSPNDCNTRT1_STR-PURCHASINGORGANIZATION sy-vline 
WA_PMMSPNDCNTRT1_STR-PURCHASINGGROUP sy-vline 
WA_PMMSPNDCNTRT1_STR-PURCHASEOUTLINEAGREEMENT sy-vline 
WA_PMMSPNDCNTRT1_STR-PURCHASEOUTLINEAGREEMENTITEM sy-vline 
WA_PMMSPNDCNTRT1_STR-CURRENCY sy-vline 
WA_PMMSPNDCNTRT1_STR-COMPANYCODE sy-vline 
WA_PMMSPNDCNTRT1_STR-PURCHASEORDERDATE sy-vline 
WA_PMMSPNDCNTRT1_STR-CREATEDBYUSER sy-vline 
WA_PMMSPNDCNTRT1_STR-SUPPLIER sy-vline 
WA_PMMSPNDCNTRT1_STR-MATERIAL sy-vline 
WA_PMMSPNDCNTRT1_STR-PLANT sy-vline 
WA_PMMSPNDCNTRT1_STR-WBSELEMENTINTERNALID sy-vline 
WA_PMMSPNDCNTRT1_STR-COSTCENTER sy-vline 
WA_PMMSPNDCNTRT1_STR-DISPLAYCURRENCY sy-vline 
WA_PMMSPNDCNTRT1_STR-PURCHASEORDERAMOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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