ABAP Select data from SAP table E2EIE_TC_STEPS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP E2EIE_TC_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 E2EIE_TC_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 E2EIE_TC_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_E2EIE_TC_STEPS TYPE STANDARD TABLE OF E2EIE_TC_STEPS,
      WA_E2EIE_TC_STEPS TYPE E2EIE_TC_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: <E2EIE_TC_STEPS> TYPE E2EIE_TC_STEPS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_E2EIE_TC_STEPS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM E2EIE_TC_STEPS
  INTO TABLE IT_E2EIE_TC_STEPS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM E2EIE_TC_STEPS
*  INTO TABLE @DATA(IT_E2EIE_TC_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_E2EIE_TC_STEPS INDEX 1 INTO DATA(WA_E2EIE_TC_STEPS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_E2EIE_TC_STEPS ASSIGNING <E2EIE_TC_STEPS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<E2EIE_TC_STEPS>-STEPID = 1.
<E2EIE_TC_STEPS>-VERSION = 1.
<E2EIE_TC_STEPS>-NAME = 1.
<E2EIE_TC_STEPS>-DESCRIPTION = 1.
<E2EIE_TC_STEPS>-URL = 1.

ENDLOOP.

LOOP AT IT_E2EIE_TC_STEPS INTO WA_E2EIE_TC_STEPS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_E2EIE_TC_STEPS-APPTYPE, sy-vline,
  WA_E2EIE_TC_STEPS-CHANGES, sy-vline,
  WA_E2EIE_TC_STEPS-PRESTEP, sy-vline,
  WA_E2EIE_TC_STEPS-FOLSTEP, sy-vline,
  WA_E2EIE_TC_STEPS-BPDID, sy-vline,
  WA_E2EIE_TC_STEPS-TEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_E2EIE_TC_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_E2EIE_TC_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_E2EIE_TC_STEPS INTO WA_E2EIE_TC_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_E2EIE_TC_STEPS_STR, 
STEPID TYPE STRING,
VERSION TYPE STRING,
NAME TYPE STRING,
DESCRIPTION TYPE STRING,
URL TYPE STRING,
APPTYPE TYPE STRING,
CHANGES TYPE STRING,
PRESTEP TYPE STRING,
FOLSTEP TYPE STRING,
BPDID TYPE STRING,
TEXT TYPE STRING,
CHANGED TYPE STRING,
FLAG TYPE STRING,
FIELD1 TYPE STRING,
FIELD2 TYPE STRING,
FIELD3 TYPE STRING,
FIELD4 TYPE STRING,
FIELD5 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_E2EIE_TC_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_E2EIE_TC_STEPS_STR-STEPID sy-vline 
WA_E2EIE_TC_STEPS_STR-VERSION sy-vline 
WA_E2EIE_TC_STEPS_STR-NAME sy-vline 
WA_E2EIE_TC_STEPS_STR-DESCRIPTION sy-vline 
WA_E2EIE_TC_STEPS_STR-URL sy-vline 
WA_E2EIE_TC_STEPS_STR-APPTYPE sy-vline 
WA_E2EIE_TC_STEPS_STR-CHANGES sy-vline 
WA_E2EIE_TC_STEPS_STR-PRESTEP sy-vline 
WA_E2EIE_TC_STEPS_STR-FOLSTEP sy-vline 
WA_E2EIE_TC_STEPS_STR-BPDID sy-vline 
WA_E2EIE_TC_STEPS_STR-TEXT sy-vline 
WA_E2EIE_TC_STEPS_STR-CHANGED sy-vline 
WA_E2EIE_TC_STEPS_STR-FLAG sy-vline 
WA_E2EIE_TC_STEPS_STR-FIELD1 sy-vline 
WA_E2EIE_TC_STEPS_STR-FIELD2 sy-vline 
WA_E2EIE_TC_STEPS_STR-FIELD3 sy-vline 
WA_E2EIE_TC_STEPS_STR-FIELD4 sy-vline 
WA_E2EIE_TC_STEPS_STR-FIELD5 sy-vline      INTO ld_text SEPARATED BY SPACE.

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