ABAP Select data from SAP table MMPUR_OUTLINE_AGMT_CONDITION into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MMPUR_OUTLINE_AGMT_CONDITION 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_OUTLINE_AGMT_CONDITION. 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_OUTLINE_AGMT_CONDITION 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_OUTLINE_AGMT_CONDITION TYPE STANDARD TABLE OF MMPUR_OUTLINE_AGMT_CONDITION,
      WA_MMPUR_OUTLINE_AGMT_CONDITION TYPE MMPUR_OUTLINE_AGMT_CONDITION,
      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_OUTLINE_AGMT_CONDITION> TYPE MMPUR_OUTLINE_AGMT_CONDITION.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_OUTLINE_AGMT_CONDITION
*  INTO TABLE @DATA(IT_MMPUR_OUTLINE_AGMT_CONDITION2).
*--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_OUTLINE_AGMT_CONDITION INDEX 1 INTO DATA(WA_MMPUR_OUTLINE_AGMT_CONDITION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_OUTLINE_AGMT_CONDITION>-PURCHASINGDOCUMENTITEM = 1.
<MMPUR_OUTLINE_AGMT_CONDITION>-CONDITIONRECORD = 1.
<MMPUR_OUTLINE_AGMT_CONDITION>-CONDITIONSEQUENTIALNUMBER = 1.
<MMPUR_OUTLINE_AGMT_CONDITION>-CONDITIONISDELETED = 1.
<MMPUR_OUTLINE_AGMT_CONDITION>-CONDITIONTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_OUTLINE_AGMT_CONDITION-PRICINGSCALETYPE, sy-vline,
  WA_MMPUR_OUTLINE_AGMT_CONDITION-PRICINGSCALEBASISSHORT, sy-vline,
  WA_MMPUR_OUTLINE_AGMT_CONDITION-CONDITIONSCALEBASISUNIT, sy-vline,
  WA_MMPUR_OUTLINE_AGMT_CONDITION-CONDITIONRATEVALUEUNIT, sy-vline,
  WA_MMPUR_OUTLINE_AGMT_CONDITION-CONDITIONCALCULATIONTYPE, sy-vline,
  WA_MMPUR_OUTLINE_AGMT_CONDITION-CONDITIONVALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_OUTLINE_AGMT_CONDITION 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_OUTLINE_AGMT_CONDITION 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_OUTLINE_AGMT_CONDITION INTO WA_MMPUR_OUTLINE_AGMT_CONDITION.


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

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

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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_OUTLINE_AGMT_CONDITION-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_OUTLINE_AGMT_CONDITION-SUPPLIER.
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_OUTLINE_AGMT_CONDITION_STR, 
PURCHASINGDOCUMENTITEM TYPE STRING,
CONDITIONRECORD TYPE STRING,
CONDITIONSEQUENTIALNUMBER TYPE STRING,
CONDITIONISDELETED TYPE STRING,
CONDITIONTYPE TYPE STRING,
PRICINGSCALETYPE TYPE STRING,
PRICINGSCALEBASISSHORT TYPE STRING,
CONDITIONSCALEBASISUNIT TYPE STRING,
CONDITIONRATEVALUEUNIT TYPE STRING,
CONDITIONCALCULATIONTYPE TYPE STRING,
CONDITIONVALUE TYPE STRING,
CURRENCY TYPE STRING,
CONDITIONQUANTITY TYPE STRING,
CONDITIONQUANTITYUNIT TYPE STRING,
CONDITIONTOBASEQTYNMRTR TYPE STRING,
CONDITIONTOBASEQTYDNMNTR TYPE STRING,
PURGOUTLINEAGRMTBASEUNIT TYPE STRING,
CONDITIONLOWERLIMIT TYPE STRING,
CONDITIONUPPERLIMIT TYPE STRING,
SUPPLIER TYPE STRING,
CHANGEDOCUMENTCHANGETYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_OUTLINE_AGMT_CONDITION_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_OUTLINE_AGMT_CONDITION_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONRECORD sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONSEQUENTIALNUMBER sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONISDELETED sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONTYPE sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-PRICINGSCALETYPE sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-PRICINGSCALEBASISSHORT sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONSCALEBASISUNIT sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONRATEVALUEUNIT sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONCALCULATIONTYPE sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONVALUE sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CURRENCY sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONQUANTITY sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONQUANTITYUNIT sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONTOBASEQTYNMRTR sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONTOBASEQTYDNMNTR sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-PURGOUTLINEAGRMTBASEUNIT sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONLOWERLIMIT sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CONDITIONUPPERLIMIT sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-SUPPLIER sy-vline 
WA_MMPUR_OUTLINE_AGMT_CONDITION_STR-CHANGEDOCUMENTCHANGETYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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