ABAP Select data from SAP table IDGRCSTORQTYHIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDGRCSTORQTYHIST
*  INTO TABLE @DATA(IT_IDGRCSTORQTYHIST2).
*--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_IDGRCSTORQTYHIST INDEX 1 INTO DATA(WA_IDGRCSTORQTYHIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDGRCSTORQTYHIST>-MANDT = 1.
<IDGRCSTORQTYHIST>-APPLICATIONDOCUMENT = 1.
<IDGRCSTORQTYHIST>-APPLICATIONDOCUMENTITEM = 1.
<IDGRCSTORQTYHIST>-QUANTITYHISTORYSEQUENCENUMBER = 1.
<IDGRCSTORQTYHIST>-QUANTITYHISTORYPARENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDGRCSTORQTYHIST-QTYHISTORYPARENTSEQUENCENUMBER, sy-vline,
  WA_IDGRCSTORQTYHIST-QUANTITYHISTORYCHILDITEM, sy-vline,
  WA_IDGRCSTORQTYHIST-MATERIAL, sy-vline,
  WA_IDGRCSTORQTYHIST-CREDITOR, sy-vline,
  WA_IDGRCSTORQTYHIST-STORAGEQUANTITYINBASEUOM, sy-vline,
  WA_IDGRCSTORQTYHIST-STORAGEQUANTITYBASEUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDGRCSTORQTYHIST 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_IDGRCSTORQTYHIST 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_IDGRCSTORQTYHIST INTO WA_IDGRCSTORQTYHIST.


*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 APPLICATIONDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDGRCSTORQTYHIST-APPLICATIONDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDGRCSTORQTYHIST-APPLICATIONDOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field STORAGEQUANTITYBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IDGRCSTORQTYHIST-STORAGEQUANTITYBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDGRCSTORQTYHIST-STORAGEQUANTITYBASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field STORAGEQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IDGRCSTORQTYHIST-STORAGEQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDGRCSTORQTYHIST-STORAGEQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field WAREHOUSERECEIPTEDQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IDGRCSTORQTYHIST-WAREHOUSERECEIPTEDQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDGRCSTORQTYHIST-WAREHOUSERECEIPTEDQUANTITYUNIT.
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_IDGRCSTORQTYHIST_STR, 
MANDT TYPE STRING,
APPLICATIONDOCUMENT TYPE STRING,
APPLICATIONDOCUMENTITEM TYPE STRING,
QUANTITYHISTORYSEQUENCENUMBER TYPE STRING,
QUANTITYHISTORYPARENTITEM TYPE STRING,
QTYHISTORYPARENTSEQUENCENUMBER TYPE STRING,
QUANTITYHISTORYCHILDITEM TYPE STRING,
MATERIAL TYPE STRING,
CREDITOR TYPE STRING,
STORAGEQUANTITYINBASEUOM TYPE STRING,
STORAGEQUANTITYBASEUNIT TYPE STRING,
DAILYGRAINRPTSTORAGEQUANTITY TYPE STRING,
STORAGEQUANTITYUNIT TYPE STRING,
CONVERSIONFACTORDNMNTRVALUE TYPE STRING,
CONVERSIONFACTORNMRTRVALUE TYPE STRING,
STORAGEAGREEMENT TYPE STRING,
STORAGEAGREEMENTITEM TYPE STRING,
QTYHISTORYVALIDITYSTARTDATE TYPE STRING,
QTYHISTORYVALIDITYENDDATE TYPE STRING,
TOTALNUMBEROFSTORAGEDAYS TYPE STRING,
WAREHOUSERECEIPTEDQUANTITY TYPE STRING,
WAREHOUSERECEIPTEDQUANTITYUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDGRCSTORQTYHIST_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_IDGRCSTORQTYHIST_STR-MANDT sy-vline 
WA_IDGRCSTORQTYHIST_STR-APPLICATIONDOCUMENT sy-vline 
WA_IDGRCSTORQTYHIST_STR-APPLICATIONDOCUMENTITEM sy-vline 
WA_IDGRCSTORQTYHIST_STR-QUANTITYHISTORYSEQUENCENUMBER sy-vline 
WA_IDGRCSTORQTYHIST_STR-QUANTITYHISTORYPARENTITEM sy-vline 
WA_IDGRCSTORQTYHIST_STR-QTYHISTORYPARENTSEQUENCENUMBER sy-vline 
WA_IDGRCSTORQTYHIST_STR-QUANTITYHISTORYCHILDITEM sy-vline 
WA_IDGRCSTORQTYHIST_STR-MATERIAL sy-vline 
WA_IDGRCSTORQTYHIST_STR-CREDITOR sy-vline 
WA_IDGRCSTORQTYHIST_STR-STORAGEQUANTITYINBASEUOM sy-vline 
WA_IDGRCSTORQTYHIST_STR-STORAGEQUANTITYBASEUNIT sy-vline 
WA_IDGRCSTORQTYHIST_STR-DAILYGRAINRPTSTORAGEQUANTITY sy-vline 
WA_IDGRCSTORQTYHIST_STR-STORAGEQUANTITYUNIT sy-vline 
WA_IDGRCSTORQTYHIST_STR-CONVERSIONFACTORDNMNTRVALUE sy-vline 
WA_IDGRCSTORQTYHIST_STR-CONVERSIONFACTORNMRTRVALUE sy-vline 
WA_IDGRCSTORQTYHIST_STR-STORAGEAGREEMENT sy-vline 
WA_IDGRCSTORQTYHIST_STR-STORAGEAGREEMENTITEM sy-vline 
WA_IDGRCSTORQTYHIST_STR-QTYHISTORYVALIDITYSTARTDATE sy-vline 
WA_IDGRCSTORQTYHIST_STR-QTYHISTORYVALIDITYENDDATE sy-vline 
WA_IDGRCSTORQTYHIST_STR-TOTALNUMBEROFSTORAGEDAYS sy-vline 
WA_IDGRCSTORQTYHIST_STR-WAREHOUSERECEIPTEDQUANTITY sy-vline 
WA_IDGRCSTORQTYHIST_STR-WAREHOUSERECEIPTEDQUANTITYUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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