ABAP Select data from SAP table MMPURUI_CONTRACTS_SOURCE_STY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPURUI_CONTRACTS_SOURCE_STY
*  INTO TABLE @DATA(IT_MMPURUI_CONTRACTS_SOURCE_STY2).
*--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_MMPURUI_CONTRACTS_SOURCE_STY INDEX 1 INTO DATA(WA_MMPURUI_CONTRACTS_SOURCE_STY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPURUI_CONTRACTS_SOURCE_STY>-MATNR = 1.
<MMPURUI_CONTRACTS_SOURCE_STY>-TXZ01 = 1.
<MMPURUI_CONTRACTS_SOURCE_STY>-EMATN = 1.
<MMPURUI_CONTRACTS_SOURCE_STY>-LIFNR = 1.
<MMPURUI_CONTRACTS_SOURCE_STY>-NAME1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPURUI_CONTRACTS_SOURCE_STY-SRVPOS, sy-vline,
  WA_MMPURUI_CONTRACTS_SOURCE_STY-EBELN, sy-vline,
  WA_MMPURUI_CONTRACTS_SOURCE_STY-EBELP, sy-vline,
  WA_MMPURUI_CONTRACTS_SOURCE_STY-KDATB, sy-vline,
  WA_MMPURUI_CONTRACTS_SOURCE_STY-KDATE, sy-vline,
  WA_MMPURUI_CONTRACTS_SOURCE_STY-BSART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPURUI_CONTRACTS_SOURCE_STY 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_MMPURUI_CONTRACTS_SOURCE_STY 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_MMPURUI_CONTRACTS_SOURCE_STY INTO WA_MMPURUI_CONTRACTS_SOURCE_STY.


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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field LMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMPURUI_CONTRACTS_SOURCE_STY-LMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPURUI_CONTRACTS_SOURCE_STY-LMEIN.
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_MMPURUI_CONTRACTS_SOURCE_STY_STR, 
MATNR TYPE STRING,
TXZ01 TYPE STRING,
EMATN TYPE STRING,
LIFNR TYPE STRING,
NAME1 TYPE STRING,
SRVPOS TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
KDATB TYPE STRING,
KDATE TYPE STRING,
BSART TYPE STRING,
BATXT TYPE STRING,
BSTYP TYPE STRING,
EKORG TYPE STRING,
EKOTX TYPE STRING,
EKGRP TYPE STRING,
EKNAM TYPE STRING,
WERKS TYPE STRING,
WERTX TYPE STRING,
PEINH TYPE STRING,
MEINS TYPE STRING,
NETPR TYPE STRING,
WAERS TYPE STRING,
LOEKZ TYPE STRING,
FRGKE TYPE STRING,
RELEASE_STATUS TYPE STRING,
PLIFZ TYPE STRING,
MATKL TYPE STRING,
WGBEZ TYPE STRING,
EPSTP TYPE STRING,
PTEXT TYPE STRING,
KNTTP TYPE STRING,
KTMNG TYPE STRING,
KTWRT TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
LMEIN TYPE STRING,
BEDAT TYPE STRING,
MEMORYTYPE TYPE STRING,
MEMORYTYPE_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPURUI_CONTRACTS_SOURCE_STY_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_MMPURUI_CONTRACTS_SOURCE_STY_STR-MATNR sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-TXZ01 sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-EMATN sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-LIFNR sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-NAME1 sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-SRVPOS sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-EBELN sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-EBELP sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-KDATB sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-KDATE sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-BSART sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-BATXT sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-BSTYP sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-EKORG sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-EKOTX sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-EKGRP sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-EKNAM sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-WERKS sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-WERTX sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-PEINH sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-MEINS sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-NETPR sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-WAERS sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-LOEKZ sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-FRGKE sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-RELEASE_STATUS sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-PLIFZ sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-MATKL sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-WGBEZ sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-EPSTP sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-PTEXT sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-KNTTP sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-KTMNG sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-KTWRT sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-UMREZ sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-UMREN sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-LMEIN sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-BEDAT sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-MEMORYTYPE sy-vline 
WA_MMPURUI_CONTRACTS_SOURCE_STY_STR-MEMORYTYPE_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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