ABAP Select data from SAP table COTAR_ADD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COTAR_ADD
*  INTO TABLE @DATA(IT_COTAR_ADD2).
*--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_COTAR_ADD INDEX 1 INTO DATA(WA_COTAR_ADD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COTAR_ADD>-PERNR = 1.
<COTAR_ADD>-SRV_COST_LEVEL = 1.
<COTAR_ADD>-WORK_ITEM_ID = 1.
<COTAR_ADD>-WRTTP = 1.
<COTAR_ADD>-PRICING_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COTAR_ADD-ICO_RATE, sy-vline,
  WA_COTAR_ADD-OVERTIMECAT, sy-vline,
  WA_COTAR_ADD-OBJNR_REC, sy-vline,
  WA_COTAR_ADD-COMPANY_SEND, sy-vline,
  WA_COTAR_ADD-COMPANY_REC, sy-vline,
  WA_COTAR_ADD-MEINH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COTAR_ADD 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_COTAR_ADD 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_COTAR_ADD INTO WA_COTAR_ADD.


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

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

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

*Conversion exit AC112, internal->external for field TTF
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_COTAR_ADD-TTF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COTAR_ADD-TTF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC112, internal->external for field TTG
CALL FUNCTION 'CONVERSION_EXIT_AC112_OUTPUT'
  EXPORTING
    input =                      WA_COTAR_ADD-TTG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COTAR_ADD-TTG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TTE_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_COTAR_ADD-TTE_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COTAR_ADD-TTE_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_COTAR_ADD_STR, 
PERNR TYPE STRING,
SRV_COST_LEVEL TYPE STRING,
WORK_ITEM_ID TYPE STRING,
WRTTP TYPE STRING,
PRICING_DATE TYPE STRING,
ICO_RATE TYPE STRING,
OVERTIMECAT TYPE STRING,
OBJNR_REC TYPE STRING,
COMPANY_SEND TYPE STRING,
COMPANY_REC TYPE STRING,
MEINH TYPE STRING,
WSDAT TYPE STRING,
TWAER TYPE STRING,
TTF TYPE STRING,
TTG TYPE STRING,
TTE TYPE STRING,
TTE_UOM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COTAR_ADD_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_COTAR_ADD_STR-PERNR sy-vline 
WA_COTAR_ADD_STR-SRV_COST_LEVEL sy-vline 
WA_COTAR_ADD_STR-WORK_ITEM_ID sy-vline 
WA_COTAR_ADD_STR-WRTTP sy-vline 
WA_COTAR_ADD_STR-PRICING_DATE sy-vline 
WA_COTAR_ADD_STR-ICO_RATE sy-vline 
WA_COTAR_ADD_STR-OVERTIMECAT sy-vline 
WA_COTAR_ADD_STR-OBJNR_REC sy-vline 
WA_COTAR_ADD_STR-COMPANY_SEND sy-vline 
WA_COTAR_ADD_STR-COMPANY_REC sy-vline 
WA_COTAR_ADD_STR-MEINH sy-vline 
WA_COTAR_ADD_STR-WSDAT sy-vline 
WA_COTAR_ADD_STR-TWAER sy-vline 
WA_COTAR_ADD_STR-TTF sy-vline 
WA_COTAR_ADD_STR-TTG sy-vline 
WA_COTAR_ADD_STR-TTE sy-vline 
WA_COTAR_ADD_STR-TTE_UOM sy-vline      INTO ld_text SEPARATED BY SPACE.

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