ABAP Select data from SAP table ATP_ABC_SUBSTIT_PER_REQ_SL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ATP_ABC_SUBSTIT_PER_REQ_SL
*  INTO TABLE @DATA(IT_ATP_ABC_SUBSTIT_PER_REQ_SL2).
*--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_ATP_ABC_SUBSTIT_PER_REQ_SL INDEX 1 INTO DATA(WA_ATP_ABC_SUBSTIT_PER_REQ_SL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ATP_ABC_SUBSTIT_PER_REQ_SL>-MANDT = 1.
<ATP_ABC_SUBSTIT_PER_REQ_SL>-MATNR = 1.
<ATP_ABC_SUBSTIT_PER_REQ_SL>-WERKS = 1.
<ATP_ABC_SUBSTIT_PER_REQ_SL>-LGORT = 1.
<ATP_ABC_SUBSTIT_PER_REQ_SL>-BERID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ATP_ABC_SUBSTIT_PER_REQ_SL-SOBKZ, sy-vline,
  WA_ATP_ABC_SUBSTIT_PER_REQ_SL-SSKEY, sy-vline,
  WA_ATP_ABC_SUBSTIT_PER_REQ_SL-SSKEY_EXT, sy-vline,
  WA_ATP_ABC_SUBSTIT_PER_REQ_SL-CHARG, sy-vline,
  WA_ATP_ABC_SUBSTIT_PER_REQ_SL-SGT_CATV, sy-vline,
  WA_ATP_ABC_SUBSTIT_PER_REQ_SL-LIFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ATP_ABC_SUBSTIT_PER_REQ_SL 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_ATP_ABC_SUBSTIT_PER_REQ_SL 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_ATP_ABC_SUBSTIT_PER_REQ_SL INTO WA_ATP_ABC_SUBSTIT_PER_REQ_SL.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ATP_ABC_SUBSTIT_PER_REQ_SL-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ATP_ABC_SUBSTIT_PER_REQ_SL-MATNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field BASE_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ATP_ABC_SUBSTIT_PER_REQ_SL-BASE_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ATP_ABC_SUBSTIT_PER_REQ_SL-BASE_UOM.
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_ATP_ABC_SUBSTIT_PER_REQ_SL_STR, 
MANDT TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
BERID TYPE STRING,
SOBKZ TYPE STRING,
SSKEY TYPE STRING,
SSKEY_EXT TYPE STRING,
CHARG TYPE STRING,
SGT_CATV TYPE STRING,
LIFNR TYPE STRING,
MTVFP TYPE STRING,
PRREG TYPE STRING,
RESMD TYPE STRING,
TRTYP TYPE STRING,
XLINE TYPE STRING,
YLINE TYPE STRING,
SORT_ORD TYPE STRING,
REL_DBSTATE_ORDER TYPE STRING,
STRUCIND TYPE STRING,
REQUIREMENT_POSTING_STATUS TYPE STRING,
FIXMG TYPE STRING,
ATPCAT TYPE STRING,
DELNR TYPE STRING,
DELPS TYPE STRING,
SUBITEM TYPE STRING,
DELET TYPE STRING,
REQDATE TYPE STRING,
REQQTY TYPE STRING,
ATOMIC_QTY_SIZE TYPE STRING,
REQQTY_IN_COMMON_BASE_UNIT TYPE STRING,
ENMNG TYPE STRING,
BASE_UOM TYPE STRING,
TLINE TYPE STRING,
ALLOCATED_QTY TYPE STRING,
SUBSTN_NUMERATOR TYPE STRING,
SUBSTN_DENOMINATOR TYPE STRING,
SUBSTN_LEAST_COMMON_MULTIPLE TYPE STRING,
ERROR TYPE STRING,
PAC_RELEVANT TYPE STRING,
PAL_RELEVANT TYPE STRING,
ARUN_RELEVANT TYPE STRING,
SUPPLY_PROTECTION_RELEVANT TYPE STRING,
DLV_WERKS TYPE STRING,
ABC_STATUS TYPE STRING,
ORIGINAL_PLANT TYPE STRING,
CONSIDER_ALTERNATIVES TYPE STRING,
SUBSTN_SEQUENCE_NUMBER TYPE STRING,
DEACTIVATE_ABC TYPE STRING,
FORBID_INLINE_SUBSTITUTION TYPE STRING,
FORBID_SUBITEM_GENERATION TYPE STRING,
ENFORCE_SUBITEM_GENERATION TYPE STRING,
SCHED_RESULT TYPE STRING,
XLINE TYPE STRING,
TLINE TYPE STRING,
MAT_AVAIL_DATE TYPE STRING,
MAT_AVAIL_TIME TYPE STRING,
TRANS_DISPO_DATE TYPE STRING,
TRANS_DISPO_TIME TYPE STRING,
LOADING_DATE TYPE STRING,
LOADING_TIME TYPE STRING,
GOODS_ISSUE_DATE TYPE STRING,
GOODS_ISSUE_TIME TYPE STRING,
DELIVERY_DATE TYPE STRING,
DELIVERY_TIME TYPE STRING,
UNLOADING_DATE TYPE STRING,
UNLOADING_TIME TYPE STRING,
MAT_AVAIL_TIMEZONE TYPE STRING,
TRANS_DISPO_TIMEZONE TYPE STRING,
LOADING_TIMEZONE TYPE STRING,
GOODS_ISSUE_TIMEZONE TYPE STRING,
DELIVERY_TIMEZONE TYPE STRING,
UNLOADING_TIMEZONE TYPE STRING,
ROUTE_SCHEDULE TYPE STRING,
SUBSTITUTES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ATP_ABC_SUBSTIT_PER_REQ_SL_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_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-MANDT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-MATNR sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-WERKS sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-LGORT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-BERID sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SOBKZ sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SSKEY sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SSKEY_EXT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-CHARG sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SGT_CATV sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-LIFNR sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-MTVFP sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-PRREG sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-RESMD sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-TRTYP sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-XLINE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-YLINE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SORT_ORD sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-REL_DBSTATE_ORDER sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-STRUCIND sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-REQUIREMENT_POSTING_STATUS sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-FIXMG sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-ATPCAT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-DELNR sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-DELPS sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SUBITEM sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-DELET sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-REQDATE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-REQQTY sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-ATOMIC_QTY_SIZE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-REQQTY_IN_COMMON_BASE_UNIT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-ENMNG sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-BASE_UOM sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-TLINE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-ALLOCATED_QTY sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SUBSTN_NUMERATOR sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SUBSTN_DENOMINATOR sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SUBSTN_LEAST_COMMON_MULTIPLE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-ERROR sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-PAC_RELEVANT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-PAL_RELEVANT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-ARUN_RELEVANT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SUPPLY_PROTECTION_RELEVANT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-DLV_WERKS sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-ABC_STATUS sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-ORIGINAL_PLANT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-CONSIDER_ALTERNATIVES sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SUBSTN_SEQUENCE_NUMBER sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-DEACTIVATE_ABC sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-FORBID_INLINE_SUBSTITUTION sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-FORBID_SUBITEM_GENERATION sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-ENFORCE_SUBITEM_GENERATION sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SCHED_RESULT sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-XLINE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-TLINE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-MAT_AVAIL_DATE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-MAT_AVAIL_TIME sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-TRANS_DISPO_DATE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-TRANS_DISPO_TIME sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-LOADING_DATE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-LOADING_TIME sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-GOODS_ISSUE_DATE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-GOODS_ISSUE_TIME sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-DELIVERY_DATE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-DELIVERY_TIME sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-UNLOADING_DATE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-UNLOADING_TIME sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-MAT_AVAIL_TIMEZONE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-TRANS_DISPO_TIMEZONE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-LOADING_TIMEZONE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-GOODS_ISSUE_TIMEZONE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-DELIVERY_TIMEZONE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-UNLOADING_TIMEZONE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-ROUTE_SCHEDULE sy-vline 
WA_ATP_ABC_SUBSTIT_PER_REQ_SL_STR-SUBSTITUTES sy-vline      INTO ld_text SEPARATED BY SPACE.

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