ABAP Select data from SAP table PIQSI2S_MBADMIN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PIQSI2S_MBADMIN 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 PIQSI2S_MBADMIN. 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 PIQSI2S_MBADMIN 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_PIQSI2S_MBADMIN TYPE STANDARD TABLE OF PIQSI2S_MBADMIN,
      WA_PIQSI2S_MBADMIN TYPE PIQSI2S_MBADMIN,
      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: <PIQSI2S_MBADMIN> TYPE PIQSI2S_MBADMIN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PIQSI2S_MBADMIN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PIQSI2S_MBADMIN
  INTO TABLE IT_PIQSI2S_MBADMIN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQSI2S_MBADMIN
*  INTO TABLE @DATA(IT_PIQSI2S_MBADMIN2).
*--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_PIQSI2S_MBADMIN INDEX 1 INTO DATA(WA_PIQSI2S_MBADMIN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PIQSI2S_MBADMIN ASSIGNING <PIQSI2S_MBADMIN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQSI2S_MBADMIN>-ID = 1.
<PIQSI2S_MBADMIN>-PACKNUMBER = 1.
<PIQSI2S_MBADMIN>-TRANSFERFLAG = 1.
<PIQSI2S_MBADMIN>-ANNULMENT = 1.
<PIQSI2S_MBADMIN>-BEGDA = 1.

ENDLOOP.

LOOP AT IT_PIQSI2S_MBADMIN INTO WA_PIQSI2S_MBADMIN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQSI2S_MBADMIN-ENDDA, sy-vline,
  WA_PIQSI2S_MBADMIN-PERID, sy-vline,
  WA_PIQSI2S_MBADMIN-PERYR, sy-vline,
  WA_PIQSI2S_MBADMIN-BOOKDATE, sy-vline,
  WA_PIQSI2S_MBADMIN-SMRATING, sy-vline,
  WA_PIQSI2S_MBADMIN-STORREASON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQSI2S_MBADMIN 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_PIQSI2S_MBADMIN 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_PIQSI2S_MBADMIN INTO WA_PIQSI2S_MBADMIN.


*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_PIQSI2S_MBADMIN_STR, 
ID TYPE STRING,
PACKNUMBER TYPE STRING,
TRANSFERFLAG TYPE STRING,
ANNULMENT TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
PERID TYPE STRING,
PERYR TYPE STRING,
BOOKDATE TYPE STRING,
SMRATING TYPE STRING,
STORREASON TYPE STRING,
STORDATE TYPE STRING,
COBOK TYPE STRING,
SMSTATUS TYPE STRING,
BOOKREASON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQSI2S_MBADMIN_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_PIQSI2S_MBADMIN_STR-ID sy-vline 
WA_PIQSI2S_MBADMIN_STR-PACKNUMBER sy-vline 
WA_PIQSI2S_MBADMIN_STR-TRANSFERFLAG sy-vline 
WA_PIQSI2S_MBADMIN_STR-ANNULMENT sy-vline 
WA_PIQSI2S_MBADMIN_STR-BEGDA sy-vline 
WA_PIQSI2S_MBADMIN_STR-ENDDA sy-vline 
WA_PIQSI2S_MBADMIN_STR-PERID sy-vline 
WA_PIQSI2S_MBADMIN_STR-PERYR sy-vline 
WA_PIQSI2S_MBADMIN_STR-BOOKDATE sy-vline 
WA_PIQSI2S_MBADMIN_STR-SMRATING sy-vline 
WA_PIQSI2S_MBADMIN_STR-STORREASON sy-vline 
WA_PIQSI2S_MBADMIN_STR-STORDATE sy-vline 
WA_PIQSI2S_MBADMIN_STR-COBOK sy-vline 
WA_PIQSI2S_MBADMIN_STR-SMSTATUS sy-vline 
WA_PIQSI2S_MBADMIN_STR-BOOKREASON sy-vline      INTO ld_text SEPARATED BY SPACE.

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