ABAP Select data from SAP table MMPUR_S_MAINT_SOS 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_MAINT_SOS 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_MAINT_SOS. 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_MAINT_SOS 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_MAINT_SOS TYPE STANDARD TABLE OF MMPUR_S_MAINT_SOS,
      WA_MMPUR_S_MAINT_SOS TYPE MMPUR_S_MAINT_SOS,
      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_MAINT_SOS> TYPE MMPUR_S_MAINT_SOS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_S_MAINT_SOS
*  INTO TABLE @DATA(IT_MMPUR_S_MAINT_SOS2).
*--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_MAINT_SOS INDEX 1 INTO DATA(WA_MMPUR_S_MAINT_SOS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_S_MAINT_SOS>-FIXEDSOURCEOFSUPPLY = 1.
<MMPUR_S_MAINT_SOS>-CITYNAME = 1.
<MMPUR_S_MAINT_SOS>-COUNTRY = 1.
<MMPUR_S_MAINT_SOS>-FIRSTNAME = 1.
<MMPUR_S_MAINT_SOS>-LASTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_S_MAINT_SOS-ORGANIZATIONBPNAME1, sy-vline,
  WA_MMPUR_S_MAINT_SOS-ORGANIZATIONBPNAME2, sy-vline,
  WA_MMPUR_S_MAINT_SOS-ORGANIZATIONBPNAME3, sy-vline,
  WA_MMPUR_S_MAINT_SOS-ORGANIZATIONBPNAME4, sy-vline,
  WA_MMPUR_S_MAINT_SOS-POSTALCODE, sy-vline,
  WA_MMPUR_S_MAINT_SOS-PURCHASINGORGANIZATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_S_MAINT_SOS 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_MAINT_SOS 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_MAINT_SOS INTO WA_MMPUR_S_MAINT_SOS.


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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PUR_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMPUR_S_MAINT_SOS-PUR_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMPUR_S_MAINT_SOS-PUR_DOC.
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_MAINT_SOS_STR, 
FIXEDSOURCEOFSUPPLY TYPE STRING,
CITYNAME TYPE STRING,
COUNTRY TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
ORGANIZATIONBPNAME1 TYPE STRING,
ORGANIZATIONBPNAME2 TYPE STRING,
ORGANIZATIONBPNAME3 TYPE STRING,
ORGANIZATIONBPNAME4 TYPE STRING,
POSTALCODE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
REGION TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
BLOCKITEM TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
ISPURREQNBLOCKED TYPE STRING,
PURREQNITEMBLOCKINGREASON TYPE STRING,
USERID TYPE STRING,
ITEMBLOCKINDICATOR TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
STATUS TYPE STRING,
ASSIGN_SOURCEOFSUPPLY TYPE STRING,
PUR_DOC TYPE STRING,
PUR_ITM TYPE STRING,
PURCHASEOUTLINEAGREEMENT TYPE STRING,
PURCHASEOUTLINEAGREEMENTITEM TYPE STRING,
FIXEDVENDOR TYPE STRING,
PURCHASINGINFORMATIONRECORD TYPE STRING,
DESIREDVENDOR TYPE STRING,
PURORDSUPPLIERMATERIALNUMBER TYPE STRING,
PURORD_UOM TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
SUPPLIERISFIXED TYPE STRING,
USERID TYPE STRING,
ISPURREQNBLOCKED TYPE STRING,
PURREQNITEMBLOCKINGREASON TYPE STRING,
SOURCEOFSUPPLY TYPE STRING,
PUR_DOC TYPE STRING,
PUR_ITM TYPE STRING,
ORD_TYPE TYPE STRING,
ITM_CAT TYPE STRING,
PUR_DOC_CAT TYPE STRING,
PLANT TYPE STRING,
MATL_NMBR TYPE STRING,
MATL_GRP TYPE STRING,
QUANTITY TYPE STRING,
BASE_UNIT TYPE STRING,
SOS_DOC_CAT TYPE STRING,
RELEASE_DATE TYPE STRING,
DELIVERY_DATE TYPE STRING,
VALID_TO TYPE STRING,
VALID_FROM TYPE STRING,
ACCT_CAT TYPE STRING,
ACCT_SUPLR_NMBR TYPE STRING,
PRICE TYPE STRING,
SOS_DOC_TYPE TYPE STRING,
VENDORNAME TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
CONSUMPTIONPOSTING TYPE STRING,
CURRENCY TYPE STRING,
SERVICEPACKAGE TYPE STRING,
SOURCEOFSUPPLYSTATUS TYPE STRING,
PUR_DOC TYPE STRING,
PUR_ITM TYPE STRING,
ITM_CAT TYPE STRING,
STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_S_MAINT_SOS_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_MAINT_SOS_STR-FIXEDSOURCEOFSUPPLY sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-CITYNAME sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-COUNTRY sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-FIRSTNAME sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-LASTNAME sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ORGANIZATIONBPNAME1 sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ORGANIZATIONBPNAME2 sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ORGANIZATIONBPNAME3 sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ORGANIZATIONBPNAME4 sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-POSTALCODE sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-REGION sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-SUPPLIER sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-SUPPLIERNAME sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-BLOCKITEM sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURCHASINGDOCUMENT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ISPURREQNBLOCKED sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURREQNITEMBLOCKINGREASON sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-USERID sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ITEMBLOCKINDICATOR sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURCHASINGDOCUMENT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-STATUS sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ASSIGN_SOURCEOFSUPPLY sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PUR_DOC sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PUR_ITM sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURCHASEOUTLINEAGREEMENT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURCHASEOUTLINEAGREEMENTITEM sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-FIXEDVENDOR sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURCHASINGINFORMATIONRECORD sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-DESIREDVENDOR sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURORDSUPPLIERMATERIALNUMBER sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURORD_UOM sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-SUPPLYINGPLANT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-SUPPLIERISFIXED sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-USERID sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ISPURREQNBLOCKED sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURREQNITEMBLOCKINGREASON sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-SOURCEOFSUPPLY sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PUR_DOC sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PUR_ITM sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ORD_TYPE sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ITM_CAT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PUR_DOC_CAT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PLANT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-MATL_NMBR sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-MATL_GRP sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-QUANTITY sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-BASE_UNIT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-SOS_DOC_CAT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-RELEASE_DATE sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-DELIVERY_DATE sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-VALID_TO sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-VALID_FROM sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ACCT_CAT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ACCT_SUPLR_NMBR sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PRICE sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-SOS_DOC_TYPE sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-VENDORNAME sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-CONSUMPTIONPOSTING sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-CURRENCY sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-SERVICEPACKAGE sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-SOURCEOFSUPPLYSTATUS sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PUR_DOC sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-PUR_ITM sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-ITM_CAT sy-vline 
WA_MMPUR_S_MAINT_SOS_STR-STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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