ABAP Select data from SAP table PMMPOGRSCHEDDET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMPOGRSCHEDDET
*  INTO TABLE @DATA(IT_PMMPOGRSCHEDDET2).
*--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_PMMPOGRSCHEDDET INDEX 1 INTO DATA(WA_PMMPOGRSCHEDDET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMMPOGRSCHEDDET>-MANDT = 1.
<PMMPOGRSCHEDDET>-PURCHASEORDER = 1.
<PMMPOGRSCHEDDET>-PURCHASEORDERITEM = 1.
<PMMPOGRSCHEDDET>-SCHEDULELINE = 1.
<PMMPOGRSCHEDDET>-MATERIALDOCUMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMPOGRSCHEDDET-MATERIALDOCUMENTITEM, sy-vline,
  WA_PMMPOGRSCHEDDET-PURCHASINGDOCUMENTCATEGORY, sy-vline,
  WA_PMMPOGRSCHEDDET-PURCHASEORDERDATE, sy-vline,
  WA_PMMPOGRSCHEDDET-SCHEDLINESTSCDELIVERYDATE, sy-vline,
  WA_PMMPOGRSCHEDDET-SCHEDULELINEDELIVERYDATE, sy-vline,
  WA_PMMPOGRSCHEDDET-POSTINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMPOGRSCHEDDET 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_PMMPOGRSCHEDDET 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_PMMPOGRSCHEDDET INTO WA_PMMPOGRSCHEDDET.


*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_PMMPOGRSCHEDDET-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPOGRSCHEDDET-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field PURCHASINGCATEGORY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMPOGRSCHEDDET-PURCHASINGCATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPOGRSCHEDDET-PURCHASINGCATEGORY.
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_PMMPOGRSCHEDDET_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
SCHEDULELINE TYPE STRING,
MATERIALDOCUMENT TYPE STRING,
MATERIALDOCUMENTITEM TYPE STRING,
PURCHASINGDOCUMENTCATEGORY TYPE STRING,
PURCHASEORDERDATE TYPE STRING,
SCHEDLINESTSCDELIVERYDATE TYPE STRING,
SCHEDULELINEDELIVERYDATE TYPE STRING,
POSTINGDATE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
COMPANYCODE TYPE STRING,
SUPPLIER TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
PURCHASINGCATEGORY TYPE STRING,
PURGCATNAME TYPE STRING,
SCHEDULELINEORDERQUANTITY TYPE STRING,
QUANTITY TYPE STRING,
PURORDITMFIRSTGRPOSTINGDATE TYPE STRING,
PURORDITMFINALGRPOSTINGDATE TYPE STRING,
TIMEVARIANCE TYPE STRING,
TIMEVARIANCEBYDELIEVERYDATE TYPE STRING,
TIMEVARIANCEINPCTWITHSIGN TYPE STRING,
TIMEVARCINPCTWITHSIGNBYDD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMPOGRSCHEDDET_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_PMMPOGRSCHEDDET_STR-MANDT sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURCHASEORDER sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURCHASEORDERITEM sy-vline 
WA_PMMPOGRSCHEDDET_STR-SCHEDULELINE sy-vline 
WA_PMMPOGRSCHEDDET_STR-MATERIALDOCUMENT sy-vline 
WA_PMMPOGRSCHEDDET_STR-MATERIALDOCUMENTITEM sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURCHASINGDOCUMENTCATEGORY sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURCHASEORDERDATE sy-vline 
WA_PMMPOGRSCHEDDET_STR-SCHEDLINESTSCDELIVERYDATE sy-vline 
WA_PMMPOGRSCHEDDET_STR-SCHEDULELINEDELIVERYDATE sy-vline 
WA_PMMPOGRSCHEDDET_STR-POSTINGDATE sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURCHASINGORGANIZATION sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURCHASINGGROUP sy-vline 
WA_PMMPOGRSCHEDDET_STR-COMPANYCODE sy-vline 
WA_PMMPOGRSCHEDDET_STR-SUPPLIER sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_PMMPOGRSCHEDDET_STR-MATERIAL sy-vline 
WA_PMMPOGRSCHEDDET_STR-MATERIALGROUP sy-vline 
WA_PMMPOGRSCHEDDET_STR-PLANT sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURCHASINGCATEGORY sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURGCATNAME sy-vline 
WA_PMMPOGRSCHEDDET_STR-SCHEDULELINEORDERQUANTITY sy-vline 
WA_PMMPOGRSCHEDDET_STR-QUANTITY sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURORDITMFIRSTGRPOSTINGDATE sy-vline 
WA_PMMPOGRSCHEDDET_STR-PURORDITMFINALGRPOSTINGDATE sy-vline 
WA_PMMPOGRSCHEDDET_STR-TIMEVARIANCE sy-vline 
WA_PMMPOGRSCHEDDET_STR-TIMEVARIANCEBYDELIEVERYDATE sy-vline 
WA_PMMPOGRSCHEDDET_STR-TIMEVARIANCEINPCTWITHSIGN sy-vline 
WA_PMMPOGRSCHEDDET_STR-TIMEVARCINPCTWITHSIGNBYDD sy-vline      INTO ld_text SEPARATED BY SPACE.

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