ABAP Select data from SAP table REIS_SQ_CODATA_SKF_PER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REIS_SQ_CODATA_SKF_PER
*  INTO TABLE @DATA(IT_REIS_SQ_CODATA_SKF_PER2).
*--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_REIS_SQ_CODATA_SKF_PER INDEX 1 INTO DATA(WA_REIS_SQ_CODATA_SKF_PER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REIS_SQ_CODATA_SKF_PER>-OBJNR = 1.
<REIS_SQ_CODATA_SKF_PER>-IDENT = 1.
<REIS_SQ_CODATA_SKF_PER>-BUKRS = 1.
<REIS_SQ_CODATA_SKF_PER>-SWENR = 1.
<REIS_SQ_CODATA_SKF_PER>-SGRNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REIS_SQ_CODATA_SKF_PER-SGENR, sy-vline,
  WA_REIS_SQ_CODATA_SKF_PER-SMENR, sy-vline,
  WA_REIS_SQ_CODATA_SKF_PER-RECNNR, sy-vline,
  WA_REIS_SQ_CODATA_SKF_PER-SNKSL, sy-vline,
  WA_REIS_SQ_CODATA_SKF_PER-SEMPSL, sy-vline,
  WA_REIS_SQ_CODATA_SKF_PER-DABRBZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REIS_SQ_CODATA_SKF_PER 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_REIS_SQ_CODATA_SKF_PER 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_REIS_SQ_CODATA_SKF_PER INTO WA_REIS_SQ_CODATA_SKF_PER.


*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 SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-SWENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGRNR, internal->external for field SGRNR
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-SGRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-SGRNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGENR, internal->external for field SGENR
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-SGENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-SGENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SMENR, internal->external for field SMENR
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-SMENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-SMENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-RECNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-RECNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SNKSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-SNKSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-SNKSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEMPSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-SEMPSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-SEMPSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_REIS_SQ_CODATA_SKF_PER-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_SQ_CODATA_SKF_PER-UNIT.
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_REIS_SQ_CODATA_SKF_PER_STR, 
OBJNR TYPE STRING,
IDENT TYPE STRING,
BUKRS TYPE STRING,
SWENR TYPE STRING,
SGRNR TYPE STRING,
SGENR TYPE STRING,
SMENR TYPE STRING,
RECNNR TYPE STRING,
SNKSL TYPE STRING,
SEMPSL TYPE STRING,
DABRBZ TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
POSID TYPE STRING,
OBJTYPE TYPE STRING,
AOIDENT TYPE STRING,
OBJTEXT TYPE STRING,
ROTYPE TYPE STRING,
SNUNR TYPE STRING,
RECNTYPE TYPE STRING,
MIGOBJNR TYPE STRING,
STATKYF TYPE STRING,
QUAN001 TYPE STRING,
QUAN002 TYPE STRING,
QUAN003 TYPE STRING,
QUAN004 TYPE STRING,
QUAN005 TYPE STRING,
QUAN006 TYPE STRING,
QUAN007 TYPE STRING,
QUAN008 TYPE STRING,
QUAN009 TYPE STRING,
QUAN010 TYPE STRING,
QUAN011 TYPE STRING,
QUAN012 TYPE STRING,
QUAN013 TYPE STRING,
QUAN014 TYPE STRING,
QUAN015 TYPE STRING,
QUAN016 TYPE STRING,
UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REIS_SQ_CODATA_SKF_PER_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_REIS_SQ_CODATA_SKF_PER_STR-OBJNR sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-IDENT sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-BUKRS sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-SWENR sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-SGRNR sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-SGENR sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-SMENR sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-RECNNR sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-SNKSL sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-SEMPSL sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-DABRBZ sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-KOKRS sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-KOSTL sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-AUFNR sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-POSID sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-OBJTYPE sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-AOIDENT sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-OBJTEXT sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-ROTYPE sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-SNUNR sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-RECNTYPE sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-MIGOBJNR sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-STATKYF sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN001 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN002 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN003 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN004 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN005 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN006 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN007 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN008 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN009 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN010 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN011 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN012 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN013 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN014 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN015 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-QUAN016 sy-vline 
WA_REIS_SQ_CODATA_SKF_PER_STR-UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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