ABAP Select data from SAP table PINS_TRS_POSITION_DISPLAY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PINS_TRS_POSITION_DISPLAY
*  INTO TABLE @DATA(IT_PINS_TRS_POSITION_DISPLAY2).
*--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_PINS_TRS_POSITION_DISPLAY INDEX 1 INTO DATA(WA_PINS_TRS_POSITION_DISPLAY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PINS_TRS_POSITION_DISPLAY>-ROW_NUMBER = 1.
<PINS_TRS_POSITION_DISPLAY>-COMPANY_CODE = 1.
<PINS_TRS_POSITION_DISPLAY>-COMPANY_CODE_SM = 1.
<PINS_TRS_POSITION_DISPLAY>-SECURITY_ACCOUNT = 1.
<PINS_TRS_POSITION_DISPLAY>-SECURITY_ACCOUNT_SM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PINS_TRS_POSITION_DISPLAY-SECURITY_ID, sy-vline,
  WA_PINS_TRS_POSITION_DISPLAY-SECURITY_ID_SM, sy-vline,
  WA_PINS_TRS_POSITION_DISPLAY-POS_CAT, sy-vline,
  WA_PINS_TRS_POSITION_DISPLAY-POS_CAT_SM, sy-vline,
  WA_PINS_TRS_POSITION_DISPLAY-OBJNR, sy-vline,
  WA_PINS_TRS_POSITION_DISPLAY-OBJNR_SM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PINS_TRS_POSITION_DISPLAY 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_PINS_TRS_POSITION_DISPLAY 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_PINS_TRS_POSITION_DISPLAY INTO WA_PINS_TRS_POSITION_DISPLAY.


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

*Conversion exit POSCT, internal->external for field POS_CAT
CALL FUNCTION 'CONVERSION_EXIT_POSCT_OUTPUT'
  EXPORTING
    input =                      WA_PINS_TRS_POSITION_DISPLAY-POS_CAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PINS_TRS_POSITION_DISPLAY-POS_CAT.
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_PINS_TRS_POSITION_DISPLAY_STR, 
ROW_NUMBER TYPE STRING,
COMPANY_CODE TYPE STRING,
COMPANY_CODE_SM TYPE STRING,
SECURITY_ACCOUNT TYPE STRING,
SECURITY_ACCOUNT_SM TYPE STRING,
SECURITY_ID TYPE STRING,
SECURITY_ID_SM TYPE STRING,
POS_CAT TYPE STRING,
POS_CAT_SM TYPE STRING,
OBJNR TYPE STRING,
OBJNR_SM TYPE STRING,
SMOVERW TYPE STRING,
SMOVERW_SM TYPE STRING,
DANDPFL TYPE STRING,
DANDPFL_SM TYPE STRING,
DANDRE TYPE STRING,
DANDRE_SM TYPE STRING,
SFIBG TYPE STRING,
SFIBG_SM TYPE STRING,
SBESANT TYPE STRING,
SBESANT_SM TYPE STRING,
JSPRI TYPE STRING,
JSPRI_SM TYPE STRING,
JBETEIL TYPE STRING,
JBETEIL_SM TYPE STRING,
SGLZB TYPE STRING,
BAV_SM TYPE STRING,
SGLZB_SM TYPE STRING,
RERF TYPE STRING,
RERF_SM TYPE STRING,
DERF TYPE STRING,
DERF_SM TYPE STRING,
TERF TYPE STRING,
TERF_SM TYPE STRING,
REHER TYPE STRING,
REHER_SM TYPE STRING,
RBEAR TYPE STRING,
RBEAR_SM TYPE STRING,
DBEAR TYPE STRING,
DBEAR_SM TYPE STRING,
TBEAR TYPE STRING,
TBEAR_SM TYPE STRING,
RBHER TYPE STRING,
RBHER_SM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PINS_TRS_POSITION_DISPLAY_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_PINS_TRS_POSITION_DISPLAY_STR-ROW_NUMBER sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-COMPANY_CODE sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-COMPANY_CODE_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SECURITY_ACCOUNT sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SECURITY_ACCOUNT_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SECURITY_ID sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SECURITY_ID_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-POS_CAT sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-POS_CAT_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-OBJNR sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-OBJNR_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SMOVERW sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SMOVERW_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-DANDPFL sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-DANDPFL_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-DANDRE sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-DANDRE_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SFIBG sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SFIBG_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SBESANT sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SBESANT_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-JSPRI sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-JSPRI_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-JBETEIL sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-JBETEIL_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SGLZB sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-BAV_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-SGLZB_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-RERF sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-RERF_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-DERF sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-DERF_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-TERF sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-TERF_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-REHER sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-REHER_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-RBEAR sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-RBEAR_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-DBEAR sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-DBEAR_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-TBEAR sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-TBEAR_SM sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-RBHER sy-vline 
WA_PINS_TRS_POSITION_DISPLAY_STR-RBHER_SM sy-vline      INTO ld_text SEPARATED BY SPACE.

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