ABAP Select data from SAP table UGBW_S_CR_STEPS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UGBW_S_CR_STEPS
*  INTO TABLE @DATA(IT_UGBW_S_CR_STEPS2).
*--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_UGBW_S_CR_STEPS INDEX 1 INTO DATA(WA_UGBW_S_CR_STEPS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UGBW_S_CR_STEPS>-INFOPROV = 1.
<UGBW_S_CR_STEPS>-OBJVERS = 1.
<UGBW_S_CR_STEPS>-STEP = 1.
<UGBW_S_CR_STEPS>-MTYPE = 1.
<UGBW_S_CR_STEPS>-DERIVE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UGBW_S_CR_STEPS-HIEOPT, sy-vline,
  WA_UGBW_S_CR_STEPS-HIENM, sy-vline,
  WA_UGBW_S_CR_STEPS-HIENM_OPT, sy-vline,
  WA_UGBW_S_CR_STEPS-HIENM_VARUID, sy-vline,
  WA_UGBW_S_CR_STEPS-HIEVER, sy-vline,
  WA_UGBW_S_CR_STEPS-HIEVER_OPT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UGBW_S_CR_STEPS 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_UGBW_S_CR_STEPS 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_UGBW_S_CR_STEPS INTO WA_UGBW_S_CR_STEPS.


*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_UGBW_S_CR_STEPS_STR, 
INFOPROV TYPE STRING,
OBJVERS TYPE STRING,
STEP TYPE STRING,
MTYPE TYPE STRING,
DERIVE TYPE STRING,
HIEOPT TYPE STRING,
HIENM TYPE STRING,
HIENM_OPT TYPE STRING,
HIENM_VARUID TYPE STRING,
HIEVER TYPE STRING,
HIEVER_OPT TYPE STRING,
HIEVER_VARUID TYPE STRING,
DATETO TYPE STRING,
DATETO_OPT TYPE STRING,
DATETO_VARUID TYPE STRING,
CHANM TYPE STRING,
EXITCLASS TYPE STRING,
COMBITAB TYPE STRING,
USED TYPE STRING,
TSTPNM TYPE STRING,
TIMESTMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UGBW_S_CR_STEPS_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_UGBW_S_CR_STEPS_STR-INFOPROV sy-vline 
WA_UGBW_S_CR_STEPS_STR-OBJVERS sy-vline 
WA_UGBW_S_CR_STEPS_STR-STEP sy-vline 
WA_UGBW_S_CR_STEPS_STR-MTYPE sy-vline 
WA_UGBW_S_CR_STEPS_STR-DERIVE sy-vline 
WA_UGBW_S_CR_STEPS_STR-HIEOPT sy-vline 
WA_UGBW_S_CR_STEPS_STR-HIENM sy-vline 
WA_UGBW_S_CR_STEPS_STR-HIENM_OPT sy-vline 
WA_UGBW_S_CR_STEPS_STR-HIENM_VARUID sy-vline 
WA_UGBW_S_CR_STEPS_STR-HIEVER sy-vline 
WA_UGBW_S_CR_STEPS_STR-HIEVER_OPT sy-vline 
WA_UGBW_S_CR_STEPS_STR-HIEVER_VARUID sy-vline 
WA_UGBW_S_CR_STEPS_STR-DATETO sy-vline 
WA_UGBW_S_CR_STEPS_STR-DATETO_OPT sy-vline 
WA_UGBW_S_CR_STEPS_STR-DATETO_VARUID sy-vline 
WA_UGBW_S_CR_STEPS_STR-CHANM sy-vline 
WA_UGBW_S_CR_STEPS_STR-EXITCLASS sy-vline 
WA_UGBW_S_CR_STEPS_STR-COMBITAB sy-vline 
WA_UGBW_S_CR_STEPS_STR-USED sy-vline 
WA_UGBW_S_CR_STEPS_STR-TSTPNM sy-vline 
WA_UGBW_S_CR_STEPS_STR-TIMESTMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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