ABAP Select data from SAP table PROJ_UPD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PROJ_UPD
*  INTO TABLE @DATA(IT_PROJ_UPD2).
*--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_PROJ_UPD INDEX 1 INTO DATA(WA_PROJ_UPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PROJ_UPD>-POST1 = 1.
<PROJ_UPD>-KIMSK = 1.
<PROJ_UPD>-STSPR = 1.
<PROJ_UPD>-VERNR = 1.
<PROJ_UPD>-ASTNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PROJ_UPD-VBUKR, sy-vline,
  WA_PROJ_UPD-VGSBR, sy-vline,
  WA_PROJ_UPD-PRCTR, sy-vline,
  WA_PROJ_UPD-PWHIE, sy-vline,
  WA_PROJ_UPD-PLFAZ, sy-vline,
  WA_PROJ_UPD-PLSEZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PROJ_UPD 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_PROJ_UPD 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_PROJ_UPD INTO WA_PROJ_UPD.


*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_PROJ_UPD_STR, 
POST1 TYPE STRING,
KIMSK TYPE STRING,
STSPR TYPE STRING,
VERNR TYPE STRING,
ASTNR TYPE STRING,
VBUKR TYPE STRING,
VGSBR TYPE STRING,
PRCTR TYPE STRING,
PWHIE TYPE STRING,
PLFAZ TYPE STRING,
PLSEZ TYPE STRING,
WERKS TYPE STRING,
KALID TYPE STRING,
VGPLF TYPE STRING,
EWPLF TYPE STRING,
ZTEHT TYPE STRING,
VPROF TYPE STRING,
BPROF TYPE STRING,
BESTA TYPE STRING,
SCOPE TYPE STRING,
XSTAT TYPE STRING,
TXJCD TYPE STRING,
ZSCHM TYPE STRING,
SCPRF TYPE STRING,
IMPRF TYPE STRING,
ABGSL TYPE STRING,
PPROF TYPE STRING,
PLINT TYPE STRING,
KZBWS TYPE STRING,
SMPRF TYPE STRING,
GRTOP TYPE STRING,
STORT TYPE STRING,
PARGR TYPE STRING,
VNAME TYPE STRING,
RECID TYPE STRING,
ETYPE TYPE STRING,
OTYPE TYPE STRING,
JIBCL TYPE STRING,
JIBSA TYPE STRING,
SCHTYP TYPE STRING,
SPROG TYPE STRING,
EPROG TYPE STRING,
FUNC_AREA TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
DPPPROF TYPE STRING,
SLWID TYPE STRING,
USR00 TYPE STRING,
USR01 TYPE STRING,
USR02 TYPE STRING,
USR03 TYPE STRING,
USR04 TYPE STRING,
USE04 TYPE STRING,
USR05 TYPE STRING,
USE05 TYPE STRING,
USR06 TYPE STRING,
USE06 TYPE STRING,
USR07 TYPE STRING,
USE07 TYPE STRING,
USR08 TYPE STRING,
USR09 TYPE STRING,
USR10 TYPE STRING,
USR11 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PROJ_UPD_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_PROJ_UPD_STR-POST1 sy-vline 
WA_PROJ_UPD_STR-KIMSK sy-vline 
WA_PROJ_UPD_STR-STSPR sy-vline 
WA_PROJ_UPD_STR-VERNR sy-vline 
WA_PROJ_UPD_STR-ASTNR sy-vline 
WA_PROJ_UPD_STR-VBUKR sy-vline 
WA_PROJ_UPD_STR-VGSBR sy-vline 
WA_PROJ_UPD_STR-PRCTR sy-vline 
WA_PROJ_UPD_STR-PWHIE sy-vline 
WA_PROJ_UPD_STR-PLFAZ sy-vline 
WA_PROJ_UPD_STR-PLSEZ sy-vline 
WA_PROJ_UPD_STR-WERKS sy-vline 
WA_PROJ_UPD_STR-KALID sy-vline 
WA_PROJ_UPD_STR-VGPLF sy-vline 
WA_PROJ_UPD_STR-EWPLF sy-vline 
WA_PROJ_UPD_STR-ZTEHT sy-vline 
WA_PROJ_UPD_STR-VPROF sy-vline 
WA_PROJ_UPD_STR-BPROF sy-vline 
WA_PROJ_UPD_STR-BESTA sy-vline 
WA_PROJ_UPD_STR-SCOPE sy-vline 
WA_PROJ_UPD_STR-XSTAT sy-vline 
WA_PROJ_UPD_STR-TXJCD sy-vline 
WA_PROJ_UPD_STR-ZSCHM sy-vline 
WA_PROJ_UPD_STR-SCPRF sy-vline 
WA_PROJ_UPD_STR-IMPRF sy-vline 
WA_PROJ_UPD_STR-ABGSL sy-vline 
WA_PROJ_UPD_STR-PPROF sy-vline 
WA_PROJ_UPD_STR-PLINT sy-vline 
WA_PROJ_UPD_STR-KZBWS sy-vline 
WA_PROJ_UPD_STR-SMPRF sy-vline 
WA_PROJ_UPD_STR-GRTOP sy-vline 
WA_PROJ_UPD_STR-STORT sy-vline 
WA_PROJ_UPD_STR-PARGR sy-vline 
WA_PROJ_UPD_STR-VNAME sy-vline 
WA_PROJ_UPD_STR-RECID sy-vline 
WA_PROJ_UPD_STR-ETYPE sy-vline 
WA_PROJ_UPD_STR-OTYPE sy-vline 
WA_PROJ_UPD_STR-JIBCL sy-vline 
WA_PROJ_UPD_STR-JIBSA sy-vline 
WA_PROJ_UPD_STR-SCHTYP sy-vline 
WA_PROJ_UPD_STR-SPROG sy-vline 
WA_PROJ_UPD_STR-EPROG sy-vline 
WA_PROJ_UPD_STR-FUNC_AREA sy-vline 
WA_PROJ_UPD_STR-VKORG sy-vline 
WA_PROJ_UPD_STR-VTWEG sy-vline 
WA_PROJ_UPD_STR-SPART sy-vline 
WA_PROJ_UPD_STR-DPPPROF sy-vline 
WA_PROJ_UPD_STR-SLWID sy-vline 
WA_PROJ_UPD_STR-USR00 sy-vline 
WA_PROJ_UPD_STR-USR01 sy-vline 
WA_PROJ_UPD_STR-USR02 sy-vline 
WA_PROJ_UPD_STR-USR03 sy-vline 
WA_PROJ_UPD_STR-USR04 sy-vline 
WA_PROJ_UPD_STR-USE04 sy-vline 
WA_PROJ_UPD_STR-USR05 sy-vline 
WA_PROJ_UPD_STR-USE05 sy-vline 
WA_PROJ_UPD_STR-USR06 sy-vline 
WA_PROJ_UPD_STR-USE06 sy-vline 
WA_PROJ_UPD_STR-USR07 sy-vline 
WA_PROJ_UPD_STR-USE07 sy-vline 
WA_PROJ_UPD_STR-USR08 sy-vline 
WA_PROJ_UPD_STR-USR09 sy-vline 
WA_PROJ_UPD_STR-USR10 sy-vline 
WA_PROJ_UPD_STR-USR11 sy-vline      INTO ld_text SEPARATED BY SPACE.

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