ABAP Select data from SAP table OIB_TANKDIP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIB_TANKDIP
*  INTO TABLE @DATA(IT_OIB_TANKDIP2).
*--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_OIB_TANKDIP INDEX 1 INTO DATA(WA_OIB_TANKDIP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIB_TANKDIP>-MANDT = 1.
<OIB_TANKDIP>-SOCNR = 1.
<OIB_TANKDIP>-ETMSTM = 1.
<OIB_TANKDIP>-SOCEV = 1.
<OIB_TANKDIP>-RELSTOCK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIB_TANKDIP-SLVNR, sy-vline,
  WA_OIB_TANKDIP-SLVIND, sy-vline,
  WA_OIB_TANKDIP-TOTALHEIGHT, sy-vline,
  WA_OIB_TANKDIP-TOTHUOM, sy-vline,
  WA_OIB_TANKDIP-WATERHEIGHT, sy-vline,
  WA_OIB_TANKDIP-WATHUOM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIB_TANKDIP 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_OIB_TANKDIP 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_OIB_TANKDIP INTO WA_OIB_TANKDIP.


*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 CUNIT, internal->external for field TOTHUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_TANKDIP-TOTHUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_TANKDIP-TOTHUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WATHUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_TANKDIP-WATHUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_TANKDIP-WATHUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_TANKDIP-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_TANKDIP-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VOLUN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OIB_TANKDIP-VOLUN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_TANKDIP-VOLUN.
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_OIB_TANKDIP_STR, 
MANDT TYPE STRING,
SOCNR TYPE STRING,
ETMSTM TYPE STRING,
SOCEV TYPE STRING,
RELSTOCK TYPE STRING,
SLVNR TYPE STRING,
SLVIND TYPE STRING,
TOTALHEIGHT TYPE STRING,
TOTHUOM TYPE STRING,
WATERHEIGHT TYPE STRING,
WATHUOM TYPE STRING,
QUAN_SKU TYPE STRING,
MEINS TYPE STRING,
QUAN_LVC TYPE STRING,
WATR_LVC TYPE STRING,
UL_IN_IND TYPE STRING,
VOLUN TYPE STRING,
DIP_GUID TYPE STRING,
ERDAT TYPE STRING,
ERZEIT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AEZEIT TYPE STRING,
AENAM TYPE STRING,
BLOIND TYPE STRING,
DELIND TYPE STRING,
TOTALHEIGHT_FLTP TYPE STRING,
WATERHEIGHT_FLTP TYPE STRING,
STATUS_A TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIB_TANKDIP_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_OIB_TANKDIP_STR-MANDT sy-vline 
WA_OIB_TANKDIP_STR-SOCNR sy-vline 
WA_OIB_TANKDIP_STR-ETMSTM sy-vline 
WA_OIB_TANKDIP_STR-SOCEV sy-vline 
WA_OIB_TANKDIP_STR-RELSTOCK sy-vline 
WA_OIB_TANKDIP_STR-SLVNR sy-vline 
WA_OIB_TANKDIP_STR-SLVIND sy-vline 
WA_OIB_TANKDIP_STR-TOTALHEIGHT sy-vline 
WA_OIB_TANKDIP_STR-TOTHUOM sy-vline 
WA_OIB_TANKDIP_STR-WATERHEIGHT sy-vline 
WA_OIB_TANKDIP_STR-WATHUOM sy-vline 
WA_OIB_TANKDIP_STR-QUAN_SKU sy-vline 
WA_OIB_TANKDIP_STR-MEINS sy-vline 
WA_OIB_TANKDIP_STR-QUAN_LVC sy-vline 
WA_OIB_TANKDIP_STR-WATR_LVC sy-vline 
WA_OIB_TANKDIP_STR-UL_IN_IND sy-vline 
WA_OIB_TANKDIP_STR-VOLUN sy-vline 
WA_OIB_TANKDIP_STR-DIP_GUID sy-vline 
WA_OIB_TANKDIP_STR-ERDAT sy-vline 
WA_OIB_TANKDIP_STR-ERZEIT sy-vline 
WA_OIB_TANKDIP_STR-ERNAM sy-vline 
WA_OIB_TANKDIP_STR-AEDAT sy-vline 
WA_OIB_TANKDIP_STR-AEZEIT sy-vline 
WA_OIB_TANKDIP_STR-AENAM sy-vline 
WA_OIB_TANKDIP_STR-BLOIND sy-vline 
WA_OIB_TANKDIP_STR-DELIND sy-vline 
WA_OIB_TANKDIP_STR-TOTALHEIGHT_FLTP sy-vline 
WA_OIB_TANKDIP_STR-WATERHEIGHT_FLTP sy-vline 
WA_OIB_TANKDIP_STR-STATUS_A sy-vline      INTO ld_text SEPARATED BY SPACE.

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