ABAP Select data from SAP table EISU_IL_MD_SERVPROV_AGREE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EISU_IL_MD_SERVPROV_AGREE
*  INTO TABLE @DATA(IT_EISU_IL_MD_SERVPROV_AGREE2).
*--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_EISU_IL_MD_SERVPROV_AGREE INDEX 1 INTO DATA(WA_EISU_IL_MD_SERVPROV_AGREE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EISU_IL_MD_SERVPROV_AGREE>-DEREGSPAGREE = 1.
<EISU_IL_MD_SERVPROV_AGREE>-DEREGSPAGREETYPE = 1.
<EISU_IL_MD_SERVPROV_AGREE>-DEREGSPAGREETYPETXT = 1.
<EISU_IL_MD_SERVPROV_AGREE>-DATEFROM = 1.
<EISU_IL_MD_SERVPROV_AGREE>-TIMEFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EISU_IL_MD_SERVPROV_AGREE-DATETO, sy-vline,
  WA_EISU_IL_MD_SERVPROV_AGREE-TIMETO, sy-vline,
  WA_EISU_IL_MD_SERVPROV_AGREE-DEREGSCENARIO, sy-vline,
  WA_EISU_IL_MD_SERVPROV_AGREE-DEREGSCENARIOTXT, sy-vline,
  WA_EISU_IL_MD_SERVPROV_AGREE-DEREGPROC, sy-vline,
  WA_EISU_IL_MD_SERVPROV_AGREE-DEREGSPINIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EISU_IL_MD_SERVPROV_AGREE 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_EISU_IL_MD_SERVPROV_AGREE 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_EISU_IL_MD_SERVPROV_AGREE INTO WA_EISU_IL_MD_SERVPROV_AGREE.


*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_EISU_IL_MD_SERVPROV_AGREE_STR, 
DEREGSPAGREE TYPE STRING,
DEREGSPAGREETYPE TYPE STRING,
DEREGSPAGREETYPETXT TYPE STRING,
DATEFROM TYPE STRING,
TIMEFROM TYPE STRING,
DATETO TYPE STRING,
TIMETO TYPE STRING,
DEREGSCENARIO TYPE STRING,
DEREGSCENARIOTXT TYPE STRING,
DEREGPROC TYPE STRING,
DEREGSPINIT TYPE STRING,
DEREGSPPART TYPE STRING,
DEREGSPPARTTXT TYPE STRING,
DEREGSPPARTSERVTXT TYPE STRING,
DEREGPODGROUP TYPE STRING,
DEREGPODGROUPTXT TYPE STRING,
DEREGPARACONF TYPE STRING,
DEREGCONTRACTID TYPE STRING,
DEREGPARACONFTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EISU_IL_MD_SERVPROV_AGREE_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_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGSPAGREE sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGSPAGREETYPE sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGSPAGREETYPETXT sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DATEFROM sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-TIMEFROM sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DATETO sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-TIMETO sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGSCENARIO sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGSCENARIOTXT sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGPROC sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGSPINIT sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGSPPART sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGSPPARTTXT sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGSPPARTSERVTXT sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGPODGROUP sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGPODGROUPTXT sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGPARACONF sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGCONTRACTID sy-vline 
WA_EISU_IL_MD_SERVPROV_AGREE_STR-DEREGPARACONFTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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