ABAP Select data from SAP table EWASSDCONTRACTPOSSTATE_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EWASSDCONTRACTPOSSTATE_DATA
*  INTO TABLE @DATA(IT_EWASSDCONTRACTPOSSTATE_DATA2).
*--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_EWASSDCONTRACTPOSSTATE_DATA INDEX 1 INTO DATA(WA_EWASSDCONTRACTPOSSTATE_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EWASSDCONTRACTPOSSTATE_DATA>-RFSTA = 1.
<EWASSDCONTRACTPOSSTATE_DATA>-WBSTA = 1.
<EWASSDCONTRACTPOSSTATE_DATA>-FKSTA = 1.
<EWASSDCONTRACTPOSSTATE_DATA>-RFGSA = 1.
<EWASSDCONTRACTPOSSTATE_DATA>-BESTA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EWASSDCONTRACTPOSSTATE_DATA-KOSTA, sy-vline,
  WA_EWASSDCONTRACTPOSSTATE_DATA-FKIVP, sy-vline,
  WA_EWASSDCONTRACTPOSSTATE_DATA-LFSTA, sy-vline,
  WA_EWASSDCONTRACTPOSSTATE_DATA-LFGSA, sy-vline,
  WA_EWASSDCONTRACTPOSSTATE_DATA-LVSTA, sy-vline,
  WA_EWASSDCONTRACTPOSSTATE_DATA-PKSTA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EWASSDCONTRACTPOSSTATE_DATA 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_EWASSDCONTRACTPOSSTATE_DATA 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_EWASSDCONTRACTPOSSTATE_DATA INTO WA_EWASSDCONTRACTPOSSTATE_DATA.


*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_EWASSDCONTRACTPOSSTATE_DATA_STR, 
RFSTA TYPE STRING,
WBSTA TYPE STRING,
FKSTA TYPE STRING,
RFGSA TYPE STRING,
BESTA TYPE STRING,
KOSTA TYPE STRING,
FKIVP TYPE STRING,
LFSTA TYPE STRING,
LFGSA TYPE STRING,
LVSTA TYPE STRING,
PKSTA TYPE STRING,
WBSTA TYPE STRING,
FKSTA TYPE STRING,
KOQUA TYPE STRING,
FKSAA TYPE STRING,
UVPIK TYPE STRING,
ABSTA TYPE STRING,
UVPAK TYPE STRING,
GBSTA TYPE STRING,
UVWAK TYPE STRING,
KOSTA TYPE STRING,
RRSTA TYPE STRING,
LVSTA TYPE STRING,
VLSTP TYPE STRING,
PDSTA TYPE STRING,
UVALL TYPE STRING,
HDALL TYPE STRING,
UVVLK TYPE STRING,
UVFAK TYPE STRING,
UVPRS TYPE STRING,
FKIVP TYPE STRING,
UVP01 TYPE STRING,
UVP02 TYPE STRING,
UVP03 TYPE STRING,
UVP04 TYPE STRING,
UVP05 TYPE STRING,
PKSTA TYPE STRING,
KOQUA TYPE STRING,
COSTA TYPE STRING,
CMPPI TYPE STRING,
CMPPJ TYPE STRING,
UVPIK TYPE STRING,
UVPAK TYPE STRING,
UVWAK TYPE STRING,
DCSTA TYPE STRING,
RRSTA TYPE STRING,
VLSTP TYPE STRING,
FSSTA TYPE STRING,
LSSTA TYPE STRING,
PDSTA TYPE STRING,
MANEK TYPE STRING,
HDALL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EWASSDCONTRACTPOSSTATE_DATA_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_EWASSDCONTRACTPOSSTATE_DATA_STR-RFSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-WBSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-FKSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-RFGSA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-BESTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-KOSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-FKIVP sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-LFSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-LFGSA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-LVSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-PKSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-WBSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-FKSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-KOQUA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-FKSAA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVPIK sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-ABSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVPAK sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-GBSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVWAK sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-KOSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-RRSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-LVSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-VLSTP sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-PDSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVALL sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-HDALL sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVVLK sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVFAK sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVPRS sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-FKIVP sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVP01 sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVP02 sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVP03 sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVP04 sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVP05 sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-PKSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-KOQUA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-COSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-CMPPI sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-CMPPJ sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVPIK sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVPAK sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-UVWAK sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-DCSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-RRSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-VLSTP sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-FSSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-LSSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-PDSTA sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-MANEK sy-vline 
WA_EWASSDCONTRACTPOSSTATE_DATA_STR-HDALL sy-vline      INTO ld_text SEPARATED BY SPACE.

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