ABAP Select data from SAP table CRMT_GENIL_POSITIONSINGLE_ATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_GENIL_POSITIONSINGLE_ATTR
*  INTO TABLE @DATA(IT_CRMT_GENIL_POSITIONSINGLE_ATTR2).
*--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_CRMT_GENIL_POSITIONSINGLE_ATTR INDEX 1 INTO DATA(WA_CRMT_GENIL_POSITIONSINGLE_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_GENIL_POSITIONSINGLE_ATTR>-PLVAR = 1.
<CRMT_GENIL_POSITIONSINGLE_ATTR>-OTYPE = 1.
<CRMT_GENIL_POSITIONSINGLE_ATTR>-OBJID = 1.
<CRMT_GENIL_POSITIONSINGLE_ATTR>-INFTY = 1.
<CRMT_GENIL_POSITIONSINGLE_ATTR>-SUBTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_GENIL_POSITIONSINGLE_ATTR-ISTAT, sy-vline,
  WA_CRMT_GENIL_POSITIONSINGLE_ATTR-PRIOX, sy-vline,
  WA_CRMT_GENIL_POSITIONSINGLE_ATTR-BEGDA, sy-vline,
  WA_CRMT_GENIL_POSITIONSINGLE_ATTR-ENDDA, sy-vline,
  WA_CRMT_GENIL_POSITIONSINGLE_ATTR-VARYF, sy-vline,
  WA_CRMT_GENIL_POSITIONSINGLE_ATTR-SEQNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_GENIL_POSITIONSINGLE_ATTR 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_CRMT_GENIL_POSITIONSINGLE_ATTR 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_CRMT_GENIL_POSITIONSINGLE_ATTR INTO WA_CRMT_GENIL_POSITIONSINGLE_ATTR.


*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 ADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_GENIL_POSITIONSINGLE_ATTR-ADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_GENIL_POSITIONSINGLE_ATTR-ADRNR.
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_CRMT_GENIL_POSITIONSINGLE_ATTR_STR, 
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
ISTAT TYPE STRING,
PRIOX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
VARYF TYPE STRING,
SEQNR TYPE STRING,
SHORT TYPE STRING,
STEXT TYPE STRING,
REALO TYPE STRING,
POSITEXT TYPE STRING,
BPTEXT TYPE STRING,
ASSIGNED_AS_OF TYPE STRING,
ASSIGNED_UNTIL TYPE STRING,
OMLEADER TYPE STRING,
TEXT_SUBTY TYPE STRING,
HROMBEGDAT TYPE STRING,
HROMENDDAT TYPE STRING,
SEARCHOT TYPE STRING,
STARTOBJ TYPE STRING,
SELDATE TYPE STRING,
SELEND TYPE STRING,
PERSONMOVE TYPE STRING,
JOB TYPE STRING,
SEARCH TYPE STRING,
SHOW_DATE TYPE STRING,
PRVSTATE TYPE STRING,
CNAME TYPE STRING,
STRAS TYPE STRING,
ORT01 TYPE STRING,
PSTLZ TYPE STRING,
LAND1 TYPE STRING,
TELNR TYPE STRING,
FAXNR TYPE STRING,
ENTKM TYPE STRING,
BUILD TYPE STRING,
ROOM1 TYPE STRING,
ADRNR TYPE STRING,
REGIO TYPE STRING,
STRS2 TYPE STRING,
HAUSN TYPE STRING,
GDATE TYPE STRING,
MC_SHORT TYPE STRING,
MC_STEXT TYPE STRING,
MC_SEARK TYPE STRING,
ORGUNIT_ID TYPE STRING,
ORGUNIT_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_GENIL_POSITIONSINGLE_ATTR_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_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-PLVAR sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-OTYPE sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-OBJID sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-INFTY sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-SUBTY sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-ISTAT sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-PRIOX sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-BEGDA sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-ENDDA sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-VARYF sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-SEQNR sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-SHORT sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-STEXT sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-REALO sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-POSITEXT sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-BPTEXT sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-ASSIGNED_AS_OF sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-ASSIGNED_UNTIL sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-OMLEADER sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-TEXT_SUBTY sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-HROMBEGDAT sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-HROMENDDAT sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-SEARCHOT sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-STARTOBJ sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-SELDATE sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-SELEND sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-PERSONMOVE sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-JOB sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-SEARCH sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-SHOW_DATE sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-PRVSTATE sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-CNAME sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-STRAS sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-ORT01 sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-PSTLZ sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-LAND1 sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-TELNR sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-FAXNR sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-ENTKM sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-BUILD sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-ROOM1 sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-ADRNR sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-REGIO sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-STRS2 sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-HAUSN sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-GDATE sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-MC_SHORT sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-MC_STEXT sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-MC_SEARK sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-ORGUNIT_ID sy-vline 
WA_CRMT_GENIL_POSITIONSINGLE_ATTR_STR-ORGUNIT_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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