ABAP Select data from SAP table PRU_T54_T1D_LINE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRU_T54_T1D_LINE 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 PRU_T54_T1D_LINE. 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 PRU_T54_T1D_LINE 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_PRU_T54_T1D_LINE TYPE STANDARD TABLE OF PRU_T54_T1D_LINE,
      WA_PRU_T54_T1D_LINE TYPE PRU_T54_T1D_LINE,
      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: <PRU_T54_T1D_LINE> TYPE PRU_T54_T1D_LINE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRU_T54_T1D_LINE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRU_T54_T1D_LINE
  INTO TABLE IT_PRU_T54_T1D_LINE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRU_T54_T1D_LINE
*  INTO TABLE @DATA(IT_PRU_T54_T1D_LINE2).
*--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_PRU_T54_T1D_LINE INDEX 1 INTO DATA(WA_PRU_T54_T1D_LINE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRU_T54_T1D_LINE ASSIGNING <PRU_T54_T1D_LINE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRU_T54_T1D_LINE>-T101_DOCID = 1.
<PRU_T54_T1D_LINE>-T102_BEGDA = 1.
<PRU_T54_T1D_LINE>-T103_ENDDA = 1.
<PRU_T54_T1D_LINE>-T104_PERSCT = 1.
<PRU_T54_T1D_LINE>-T105_INNNR = 1.

ENDLOOP.

LOOP AT IT_PRU_T54_T1D_LINE INTO WA_PRU_T54_T1D_LINE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRU_T54_T1D_LINE-T106_PENSNR, sy-vline,
  WA_PRU_T54_T1D_LINE-T107_REGIO, sy-vline,
  WA_PRU_T54_T1D_LINE-T108_FTEXT, sy-vline,
  WA_PRU_T54_T1D_LINE-T109_ANZKD, sy-vline,
  WA_PRU_T54_T1D_LINE-T110_HIFIB, sy-vline,
  WA_PRU_T54_T1D_LINE-T111_HIFIE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRU_T54_T1D_LINE 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_PRU_T54_T1D_LINE 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_PRU_T54_T1D_LINE INTO WA_PRU_T54_T1D_LINE.


*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_PRU_T54_T1D_LINE_STR, 
T101_DOCID TYPE STRING,
T102_BEGDA TYPE STRING,
T103_ENDDA TYPE STRING,
T104_PERSCT TYPE STRING,
T105_INNNR TYPE STRING,
T106_PENSNR TYPE STRING,
T107_REGIO TYPE STRING,
T108_FTEXT TYPE STRING,
T109_ANZKD TYPE STRING,
T110_HIFIB TYPE STRING,
T111_HIFIE TYPE STRING,
T201_ORDDT TYPE STRING,
T202_ORDNU TYPE STRING,
T203_ORGEH TYPE STRING,
T204_STEXT TYPE STRING,
T205_STEXT TYPE STRING,
T206_BASPAY TYPE STRING,
T207_EXTPAY TYPE STRING,
T208_LGART TYPE STRING,
T301_VTYPE TYPE STRING,
T302_ORDNU TYPE STRING,
T303_BEGDA TYPE STRING,
T304_ORDDT TYPE STRING,
T305_ENDDA TYPE STRING,
T306_ABWTG TYPE STRING,
T307_VBEGDA TYPE STRING,
T308_VENDDA TYPE STRING,
T401_TAXDS TYPE STRING,
T501A_GCASE TYPE STRING,
T502A_BEGDA TYPE STRING,
T503A_ENDDA TYPE STRING,
T504A_DEDUC TYPE STRING,
T505A_BONUS TYPE STRING,
T501B_GCASE TYPE STRING,
T502B_BEGDA TYPE STRING,
T503B_ENDDA TYPE STRING,
T504B_DEDUC TYPE STRING,
T505B_BONUS TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRU_T54_T1D_LINE_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_PRU_T54_T1D_LINE_STR-T101_DOCID sy-vline 
WA_PRU_T54_T1D_LINE_STR-T102_BEGDA sy-vline 
WA_PRU_T54_T1D_LINE_STR-T103_ENDDA sy-vline 
WA_PRU_T54_T1D_LINE_STR-T104_PERSCT sy-vline 
WA_PRU_T54_T1D_LINE_STR-T105_INNNR sy-vline 
WA_PRU_T54_T1D_LINE_STR-T106_PENSNR sy-vline 
WA_PRU_T54_T1D_LINE_STR-T107_REGIO sy-vline 
WA_PRU_T54_T1D_LINE_STR-T108_FTEXT sy-vline 
WA_PRU_T54_T1D_LINE_STR-T109_ANZKD sy-vline 
WA_PRU_T54_T1D_LINE_STR-T110_HIFIB sy-vline 
WA_PRU_T54_T1D_LINE_STR-T111_HIFIE sy-vline 
WA_PRU_T54_T1D_LINE_STR-T201_ORDDT sy-vline 
WA_PRU_T54_T1D_LINE_STR-T202_ORDNU sy-vline 
WA_PRU_T54_T1D_LINE_STR-T203_ORGEH sy-vline 
WA_PRU_T54_T1D_LINE_STR-T204_STEXT sy-vline 
WA_PRU_T54_T1D_LINE_STR-T205_STEXT sy-vline 
WA_PRU_T54_T1D_LINE_STR-T206_BASPAY sy-vline 
WA_PRU_T54_T1D_LINE_STR-T207_EXTPAY sy-vline 
WA_PRU_T54_T1D_LINE_STR-T208_LGART sy-vline 
WA_PRU_T54_T1D_LINE_STR-T301_VTYPE sy-vline 
WA_PRU_T54_T1D_LINE_STR-T302_ORDNU sy-vline 
WA_PRU_T54_T1D_LINE_STR-T303_BEGDA sy-vline 
WA_PRU_T54_T1D_LINE_STR-T304_ORDDT sy-vline 
WA_PRU_T54_T1D_LINE_STR-T305_ENDDA sy-vline 
WA_PRU_T54_T1D_LINE_STR-T306_ABWTG sy-vline 
WA_PRU_T54_T1D_LINE_STR-T307_VBEGDA sy-vline 
WA_PRU_T54_T1D_LINE_STR-T308_VENDDA sy-vline 
WA_PRU_T54_T1D_LINE_STR-T401_TAXDS sy-vline 
WA_PRU_T54_T1D_LINE_STR-T501A_GCASE sy-vline 
WA_PRU_T54_T1D_LINE_STR-T502A_BEGDA sy-vline 
WA_PRU_T54_T1D_LINE_STR-T503A_ENDDA sy-vline 
WA_PRU_T54_T1D_LINE_STR-T504A_DEDUC sy-vline 
WA_PRU_T54_T1D_LINE_STR-T505A_BONUS sy-vline 
WA_PRU_T54_T1D_LINE_STR-T501B_GCASE sy-vline 
WA_PRU_T54_T1D_LINE_STR-T502B_BEGDA sy-vline 
WA_PRU_T54_T1D_LINE_STR-T503B_ENDDA sy-vline 
WA_PRU_T54_T1D_LINE_STR-T504B_DEDUC sy-vline 
WA_PRU_T54_T1D_LINE_STR-T505B_BONUS sy-vline 
WA_PRU_T54_T1D_LINE_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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