ABAP Select data from SAP table T7UNPF_MI_PRTCI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T7UNPF_MI_PRTCI 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 T7UNPF_MI_PRTCI. 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 T7UNPF_MI_PRTCI 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_T7UNPF_MI_PRTCI TYPE STANDARD TABLE OF T7UNPF_MI_PRTCI,
      WA_T7UNPF_MI_PRTCI TYPE T7UNPF_MI_PRTCI,
      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: <T7UNPF_MI_PRTCI> TYPE T7UNPF_MI_PRTCI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T7UNPF_MI_PRTCI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T7UNPF_MI_PRTCI
  INTO TABLE IT_T7UNPF_MI_PRTCI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T7UNPF_MI_PRTCI
*  INTO TABLE @DATA(IT_T7UNPF_MI_PRTCI2).
*--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_T7UNPF_MI_PRTCI INDEX 1 INTO DATA(WA_T7UNPF_MI_PRTCI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T7UNPF_MI_PRTCI ASSIGNING <T7UNPF_MI_PRTCI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T7UNPF_MI_PRTCI>-MANDT = 1.
<T7UNPF_MI_PRTCI>-PENSION_NO = 1.
<T7UNPF_MI_PRTCI>-DATA_KEY = 1.
<T7UNPF_MI_PRTCI>-DATA_KEY_2 = 1.
<T7UNPF_MI_PRTCI>-LAST_NM = 1.

ENDLOOP.

LOOP AT IT_T7UNPF_MI_PRTCI INTO WA_T7UNPF_MI_PRTCI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T7UNPF_MI_PRTCI-FIRST_NM, sy-vline,
  WA_T7UNPF_MI_PRTCI-ORG_CD, sy-vline,
  WA_T7UNPF_MI_PRTCI-FORMER_NO, sy-vline,
  WA_T7UNPF_MI_PRTCI-BIRTH_DT, sy-vline,
  WA_T7UNPF_MI_PRTCI-DOB_VER, sy-vline,
  WA_T7UNPF_MI_PRTCI-BEG_CS_DT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T7UNPF_MI_PRTCI 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_T7UNPF_MI_PRTCI 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_T7UNPF_MI_PRTCI INTO WA_T7UNPF_MI_PRTCI.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_T7UNPF_MI_PRTCI_STR, 
MANDT TYPE STRING,
PENSION_NO TYPE STRING,
DATA_KEY TYPE STRING,
DATA_KEY_2 TYPE STRING,
LAST_NM TYPE STRING,
FIRST_NM TYPE STRING,
ORG_CD TYPE STRING,
FORMER_NO TYPE STRING,
BIRTH_DT TYPE STRING,
DOB_VER TYPE STRING,
BEG_CS_DT TYPE STRING,
BCS_VER TYPE STRING,
LOCAL_ID TYPE STRING,
DUTY_STATION_CD TYPE STRING,
NATIONALITY_CD TYPE STRING,
GENDER_CD TYPE STRING,
LANGUAGE_CD TYPE STRING,
LOCATION_CD TYPE STRING,
CATEGORY_CD TYPE STRING,
MARITAL_STAT_CD TYPE STRING,
MAR_STAT_VER TYPE STRING,
ERROR_FLAG TYPE STRING,
CRNAM TYPE STRING,
CRDAT TYPE STRING,
CRTIM TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
AETIM TYPE STRING,
DELETE_FLAG TYPE STRING,
UPDT_TIMESTAMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T7UNPF_MI_PRTCI_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_T7UNPF_MI_PRTCI_STR-MANDT sy-vline 
WA_T7UNPF_MI_PRTCI_STR-PENSION_NO sy-vline 
WA_T7UNPF_MI_PRTCI_STR-DATA_KEY sy-vline 
WA_T7UNPF_MI_PRTCI_STR-DATA_KEY_2 sy-vline 
WA_T7UNPF_MI_PRTCI_STR-LAST_NM sy-vline 
WA_T7UNPF_MI_PRTCI_STR-FIRST_NM sy-vline 
WA_T7UNPF_MI_PRTCI_STR-ORG_CD sy-vline 
WA_T7UNPF_MI_PRTCI_STR-FORMER_NO sy-vline 
WA_T7UNPF_MI_PRTCI_STR-BIRTH_DT sy-vline 
WA_T7UNPF_MI_PRTCI_STR-DOB_VER sy-vline 
WA_T7UNPF_MI_PRTCI_STR-BEG_CS_DT sy-vline 
WA_T7UNPF_MI_PRTCI_STR-BCS_VER sy-vline 
WA_T7UNPF_MI_PRTCI_STR-LOCAL_ID sy-vline 
WA_T7UNPF_MI_PRTCI_STR-DUTY_STATION_CD sy-vline 
WA_T7UNPF_MI_PRTCI_STR-NATIONALITY_CD sy-vline 
WA_T7UNPF_MI_PRTCI_STR-GENDER_CD sy-vline 
WA_T7UNPF_MI_PRTCI_STR-LANGUAGE_CD sy-vline 
WA_T7UNPF_MI_PRTCI_STR-LOCATION_CD sy-vline 
WA_T7UNPF_MI_PRTCI_STR-CATEGORY_CD sy-vline 
WA_T7UNPF_MI_PRTCI_STR-MARITAL_STAT_CD sy-vline 
WA_T7UNPF_MI_PRTCI_STR-MAR_STAT_VER sy-vline 
WA_T7UNPF_MI_PRTCI_STR-ERROR_FLAG sy-vline 
WA_T7UNPF_MI_PRTCI_STR-CRNAM sy-vline 
WA_T7UNPF_MI_PRTCI_STR-CRDAT sy-vline 
WA_T7UNPF_MI_PRTCI_STR-CRTIM sy-vline 
WA_T7UNPF_MI_PRTCI_STR-AENAM sy-vline 
WA_T7UNPF_MI_PRTCI_STR-AEDAT sy-vline 
WA_T7UNPF_MI_PRTCI_STR-AETIM sy-vline 
WA_T7UNPF_MI_PRTCI_STR-DELETE_FLAG sy-vline 
WA_T7UNPF_MI_PRTCI_STR-UPDT_TIMESTAMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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