ABAP Select data from SAP table /ACCGO/CMGL_S_QNTY_HSTY_UPD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/CMGL_S_QNTY_HSTY_UPD 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 /ACCGO/CMGL_S_QNTY_HSTY_UPD. 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 /ACCGO/CMGL_S_QNTY_HSTY_UPD 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_/ACCGO/CMGL_S_QNTY_HSTY_UPD TYPE STANDARD TABLE OF /ACCGO/CMGL_S_QNTY_HSTY_UPD,
      WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD TYPE /ACCGO/CMGL_S_QNTY_HSTY_UPD,
      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: </ACCGO/CMGL_S_QNTY_HSTY_UPD> TYPE /ACCGO/CMGL_S_QNTY_HSTY_UPD.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/CMGL_S_QNTY_HSTY_UPD
  INTO TABLE IT_/ACCGO/CMGL_S_QNTY_HSTY_UPD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CMGL_S_QNTY_HSTY_UPD
*  INTO TABLE @DATA(IT_/ACCGO/CMGL_S_QNTY_HSTY_UPD2).
*--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_/ACCGO/CMGL_S_QNTY_HSTY_UPD INDEX 1 INTO DATA(WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/CMGL_S_QNTY_HSTY_UPD ASSIGNING </ACCGO/CMGL_S_QNTY_HSTY_UPD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CMGL_S_QNTY_HSTY_UPD>-APPLDOC = 1.
</ACCGO/CMGL_S_QNTY_HSTY_UPD>-ITEM = 1.
</ACCGO/CMGL_S_QNTY_HSTY_UPD>-SEQUENCE_NUMBER = 1.
</ACCGO/CMGL_S_QNTY_HSTY_UPD>-PARENT_ITEM = 1.
</ACCGO/CMGL_S_QNTY_HSTY_UPD>-PARENT_SEQUENCE = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/CMGL_S_QNTY_HSTY_UPD INTO WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-CHILD_ITEM, sy-vline,
  WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-ACTION, sy-vline,
  WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-ACT_TYPE, sy-vline,
  WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-STATUS, sy-vline,
  WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-MATNR, sy-vline,
  WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-LIFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD 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_/ACCGO/CMGL_S_QNTY_HSTY_UPD 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_/ACCGO/CMGL_S_QNTY_HSTY_UPD INTO WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD.


*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 APPLDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-APPLDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-APPLDOC.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit TSTLC, internal->external for field CREATED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-CREATED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-CREATED_ON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD-CHANGED_ON.
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_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR, 
APPLDOC TYPE STRING,
ITEM TYPE STRING,
SEQUENCE_NUMBER TYPE STRING,
PARENT_ITEM TYPE STRING,
PARENT_SEQUENCE TYPE STRING,
CHILD_ITEM TYPE STRING,
ACTION TYPE STRING,
ACT_TYPE TYPE STRING,
STATUS TYPE STRING,
MATNR TYPE STRING,
LIFNR TYPE STRING,
BASE_STG_QTY TYPE STRING,
BASE_UOM TYPE STRING,
STORAGE_QTY TYPE STRING,
UOM TYPE STRING,
DEN_CONV TYPE STRING,
NUM_CONV TYPE STRING,
STORAGE_TYPE TYPE STRING,
STRG_AGREEMENT TYPE STRING,
STRG_AGREEMENT_ITEM TYPE STRING,
VAL_START_DATE TYPE STRING,
VAL_END_DAT TYPE STRING,
NO_OF_DAYS TYPE STRING,
WHR_QTY TYPE STRING,
WHR_UOM TYPE STRING,
WHR_START_DATE TYPE STRING,
WHR_END_DATE TYPE STRING,
ADJUSTED_QTY TYPE STRING,
ADJUSTED_UOM TYPE STRING,
ASGN_NR TYPE STRING,
ASGN_DR TYPE STRING,
ASGN_QTY TYPE STRING,
ASGN_UOM TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
UPD_IND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_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_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-APPLDOC sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-ITEM sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-SEQUENCE_NUMBER sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-PARENT_ITEM sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-PARENT_SEQUENCE sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-CHILD_ITEM sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-ACTION sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-ACT_TYPE sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-STATUS sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-MATNR sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-LIFNR sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-BASE_STG_QTY sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-BASE_UOM sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-STORAGE_QTY sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-UOM sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-DEN_CONV sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-NUM_CONV sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-STORAGE_TYPE sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-STRG_AGREEMENT sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-STRG_AGREEMENT_ITEM sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-VAL_START_DATE sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-VAL_END_DAT sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-NO_OF_DAYS sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-WHR_QTY sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-WHR_UOM sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-WHR_START_DATE sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-WHR_END_DATE sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-ADJUSTED_QTY sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-ADJUSTED_UOM sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-ASGN_NR sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-ASGN_DR sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-ASGN_QTY sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-ASGN_UOM sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-CREATED_BY sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-CREATED_ON sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-CHANGED_BY sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-CHANGED_ON sy-vline 
WA_/ACCGO/CMGL_S_QNTY_HSTY_UPD_STR-UPD_IND sy-vline      INTO ld_text SEPARATED BY SPACE.

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