ABAP Select data from SAP table IREADJMNTTERM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IREADJMNTTERM
*  INTO TABLE @DATA(IT_IREADJMNTTERM2).
*--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_IREADJMNTTERM INDEX 1 INTO DATA(WA_IREADJMNTTERM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IREADJMNTTERM>-MANDT = 1.
<IREADJMNTTERM>-INTERNALREALESTATENUMBER = 1.
<IREADJMNTTERM>-RETERMNUMBER = 1.
<IREADJMNTTERM>-RETERMTYPE = 1.
<IREADJMNTTERM>-REALESTATEOBJECTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IREADJMNTTERM-RETERMNAME, sy-vline,
  WA_IREADJMNTTERM-REIDENTIFICATIONKEY, sy-vline,
  WA_IREADJMNTTERM-RESTATUSOBJECT, sy-vline,
  WA_IREADJMNTTERM-VALIDITYSTARTDATE, sy-vline,
  WA_IREADJMNTTERM-VALIDITYENDDATE, sy-vline,
  WA_IREADJMNTTERM-READJUSTMENTISINDIVGLOBPARAM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IREADJMNTTERM 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_IREADJMNTTERM 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_IREADJMNTTERM INTO WA_IREADJMNTTERM.


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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field READJUSTMENTINDEXBASEYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IREADJMNTTERM-READJUSTMENTINDEXBASEYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IREADJMNTTERM-READJUSTMENTINDEXBASEYEAR.
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_IREADJMNTTERM_STR, 
MANDT TYPE STRING,
INTERNALREALESTATENUMBER TYPE STRING,
RETERMNUMBER TYPE STRING,
RETERMTYPE TYPE STRING,
REALESTATEOBJECTTYPE TYPE STRING,
RETERMNAME TYPE STRING,
REIDENTIFICATIONKEY TYPE STRING,
RESTATUSOBJECT TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
READJUSTMENTISINDIVGLOBPARAM TYPE STRING,
READJUSTMENTISINDIVSPCFCPARAM TYPE STRING,
READJUSTMENTRULE TYPE STRING,
READJUSTMENTELEMENTARYRULE TYPE STRING,
READJUSTMENTMETHOD TYPE STRING,
READJUSTMENTRULEISCOMBINED TYPE STRING,
READJUSTMENTRULEISPARTLYCMBND TYPE STRING,
REISRULEAPPROVALREQUIRED TYPE STRING,
REISACTVTNWITHOUTAPPRVL TYPE STRING,
REISDUEDATECHANGEABLE TYPE STRING,
READJUSTMENTPERCENTPASSEDVALUE TYPE STRING,
REHASRENTALOBJECTINCREASE TYPE STRING,
READJUSTMENTDIRECTION TYPE STRING,
READJUSTMENTCHANGEDIRECTION TYPE STRING,
READJUSTMENTFREQUENCY TYPE STRING,
REFREQUENCYUNIT TYPE STRING,
REISINTERVALFROMFRQCYSTART TYPE STRING,
REISSIMULATIONRULE TYPE STRING,
RERULEHASNODOCUMENT TYPE STRING,
READJUSTMENTSUBSQNTCONDITION TYPE STRING,
READJUSTMENTISONNEXTNOTICE TYPE STRING,
READJUSTMENTBASE TYPE STRING,
READJUSTMENTISAUTODEFAULT TYPE STRING,
READJUSTMENTISNOTIFREQUIRED TYPE STRING,
READJUSTMENTISTIMEDEPENDENT TYPE STRING,
READJUSTMENTDUEDATEISMANDATORY TYPE STRING,
READJUSTMENTISNOTRETROACTIVE TYPE STRING,
READJUSTMENTBLOCKREASON TYPE STRING,
RECONDITIONTYPE TYPE STRING,
RERULESORTORDER TYPE STRING,
RECURRENCYTRANSLATIONRULE TYPE STRING,
READJUSTMENTINDEXSERIES TYPE STRING,
READJUSTMENTINDEXBASEYEAR TYPE STRING,
READJUSTMENTIDXISALWAYSBASEYR TYPE STRING,
READJUSTMENTIDXMINCHGPOINTSVAL TYPE STRING,
READJUSTMENTIDXMINCHGPERCENT TYPE STRING,
READJUSTMENTISIDXCHGPOINTSEXCD TYPE STRING,
READJUSTMENTISIDXCHGPCTEXCD TYPE STRING,
READJUSTMENTRHYTHMFLEXIBLE TYPE STRING,
READJUSTMENTDELAYINMONTHS TYPE STRING,
READJUSTMENTDELAYUNIT TYPE STRING,
READJUSTMENTINDEXBASIS TYPE STRING,
READJUSTMENTINDEXORSPREAD TYPE STRING,
READJUSTMENTINDEXORPERFORMANCE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IREADJMNTTERM_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_IREADJMNTTERM_STR-MANDT sy-vline 
WA_IREADJMNTTERM_STR-INTERNALREALESTATENUMBER sy-vline 
WA_IREADJMNTTERM_STR-RETERMNUMBER sy-vline 
WA_IREADJMNTTERM_STR-RETERMTYPE sy-vline 
WA_IREADJMNTTERM_STR-REALESTATEOBJECTTYPE sy-vline 
WA_IREADJMNTTERM_STR-RETERMNAME sy-vline 
WA_IREADJMNTTERM_STR-REIDENTIFICATIONKEY sy-vline 
WA_IREADJMNTTERM_STR-RESTATUSOBJECT sy-vline 
WA_IREADJMNTTERM_STR-VALIDITYSTARTDATE sy-vline 
WA_IREADJMNTTERM_STR-VALIDITYENDDATE sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTISINDIVGLOBPARAM sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTISINDIVSPCFCPARAM sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTRULE sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTELEMENTARYRULE sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTMETHOD sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTRULEISCOMBINED sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTRULEISPARTLYCMBND sy-vline 
WA_IREADJMNTTERM_STR-REISRULEAPPROVALREQUIRED sy-vline 
WA_IREADJMNTTERM_STR-REISACTVTNWITHOUTAPPRVL sy-vline 
WA_IREADJMNTTERM_STR-REISDUEDATECHANGEABLE sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTPERCENTPASSEDVALUE sy-vline 
WA_IREADJMNTTERM_STR-REHASRENTALOBJECTINCREASE sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTDIRECTION sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTCHANGEDIRECTION sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTFREQUENCY sy-vline 
WA_IREADJMNTTERM_STR-REFREQUENCYUNIT sy-vline 
WA_IREADJMNTTERM_STR-REISINTERVALFROMFRQCYSTART sy-vline 
WA_IREADJMNTTERM_STR-REISSIMULATIONRULE sy-vline 
WA_IREADJMNTTERM_STR-RERULEHASNODOCUMENT sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTSUBSQNTCONDITION sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTISONNEXTNOTICE sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTBASE sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTISAUTODEFAULT sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTISNOTIFREQUIRED sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTISTIMEDEPENDENT sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTDUEDATEISMANDATORY sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTISNOTRETROACTIVE sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTBLOCKREASON sy-vline 
WA_IREADJMNTTERM_STR-RECONDITIONTYPE sy-vline 
WA_IREADJMNTTERM_STR-RERULESORTORDER sy-vline 
WA_IREADJMNTTERM_STR-RECURRENCYTRANSLATIONRULE sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTINDEXSERIES sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTINDEXBASEYEAR sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTIDXISALWAYSBASEYR sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTIDXMINCHGPOINTSVAL sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTIDXMINCHGPERCENT sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTISIDXCHGPOINTSEXCD sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTISIDXCHGPCTEXCD sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTRHYTHMFLEXIBLE sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTDELAYINMONTHS sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTDELAYUNIT sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTINDEXBASIS sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTINDEXORSPREAD sy-vline 
WA_IREADJMNTTERM_STR-READJUSTMENTINDEXORPERFORMANCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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