ABAP Select data from SAP table CATSXT_TIMES_QTY_ALV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CATSXT_TIMES_QTY_ALV
*  INTO TABLE @DATA(IT_CATSXT_TIMES_QTY_ALV2).
*--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_CATSXT_TIMES_QTY_ALV INDEX 1 INTO DATA(WA_CATSXT_TIMES_QTY_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CATSXT_TIMES_QTY_ALV>-QUANTITY01 = 1.
<CATSXT_TIMES_QTY_ALV>-UNIT01 = 1.
<CATSXT_TIMES_QTY_ALV>-QUANTITY02 = 1.
<CATSXT_TIMES_QTY_ALV>-UNIT02 = 1.
<CATSXT_TIMES_QTY_ALV>-QUANTITY03 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CATSXT_TIMES_QTY_ALV-UNIT03, sy-vline,
  WA_CATSXT_TIMES_QTY_ALV-QUANTITY04, sy-vline,
  WA_CATSXT_TIMES_QTY_ALV-UNIT04, sy-vline,
  WA_CATSXT_TIMES_QTY_ALV-QUANTITY05, sy-vline,
  WA_CATSXT_TIMES_QTY_ALV-UNIT05, sy-vline,
  WA_CATSXT_TIMES_QTY_ALV-QUANTITY06, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CATSXT_TIMES_QTY_ALV 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_CATSXT_TIMES_QTY_ALV 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_CATSXT_TIMES_QTY_ALV INTO WA_CATSXT_TIMES_QTY_ALV.


*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 CUNIT, internal->external for field UNIT01
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_TIMES_QTY_ALV-UNIT01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_TIMES_QTY_ALV-UNIT01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT02
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_TIMES_QTY_ALV-UNIT02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_TIMES_QTY_ALV-UNIT02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT03
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_TIMES_QTY_ALV-UNIT03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_TIMES_QTY_ALV-UNIT03.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT04
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_TIMES_QTY_ALV-UNIT04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_TIMES_QTY_ALV-UNIT04.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT05
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_TIMES_QTY_ALV-UNIT05
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_TIMES_QTY_ALV-UNIT05.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT06
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_TIMES_QTY_ALV-UNIT06
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_TIMES_QTY_ALV-UNIT06.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT07
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_TIMES_QTY_ALV-UNIT07
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_TIMES_QTY_ALV-UNIT07.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT08
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_TIMES_QTY_ALV-UNIT08
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_TIMES_QTY_ALV-UNIT08.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT09
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_TIMES_QTY_ALV-UNIT09
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_TIMES_QTY_ALV-UNIT09.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT10
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CATSXT_TIMES_QTY_ALV-UNIT10
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATSXT_TIMES_QTY_ALV-UNIT10.
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_CATSXT_TIMES_QTY_ALV_STR, 
QUANTITY01 TYPE STRING,
UNIT01 TYPE STRING,
QUANTITY02 TYPE STRING,
UNIT02 TYPE STRING,
QUANTITY03 TYPE STRING,
UNIT03 TYPE STRING,
QUANTITY04 TYPE STRING,
UNIT04 TYPE STRING,
QUANTITY05 TYPE STRING,
UNIT05 TYPE STRING,
QUANTITY06 TYPE STRING,
UNIT06 TYPE STRING,
QUANTITY07 TYPE STRING,
UNIT07 TYPE STRING,
QUANTITY08 TYPE STRING,
UNIT08 TYPE STRING,
QUANTITY09 TYPE STRING,
UNIT09 TYPE STRING,
QUANTITY10 TYPE STRING,
UNIT10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CATSXT_TIMES_QTY_ALV_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_CATSXT_TIMES_QTY_ALV_STR-QUANTITY01 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-UNIT01 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-QUANTITY02 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-UNIT02 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-QUANTITY03 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-UNIT03 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-QUANTITY04 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-UNIT04 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-QUANTITY05 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-UNIT05 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-QUANTITY06 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-UNIT06 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-QUANTITY07 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-UNIT07 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-QUANTITY08 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-UNIT08 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-QUANTITY09 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-UNIT09 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-QUANTITY10 sy-vline 
WA_CATSXT_TIMES_QTY_ALV_STR-UNIT10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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