ABAP Select data from SAP table COD_UTILITIES_CONTRACTS_OVW_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COD_UTILITIES_CONTRACTS_OVW_S
*  INTO TABLE @DATA(IT_COD_UTILITIES_CONTRACTS_OVW_S2).
*--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_COD_UTILITIES_CONTRACTS_OVW_S INDEX 1 INTO DATA(WA_COD_UTILITIES_CONTRACTS_OVW_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COD_UTILITIES_CONTRACTS_OVW_S>-CUSTOMER = 1.
<COD_UTILITIES_CONTRACTS_OVW_S>-CUSTOMER_NAME1 = 1.
<COD_UTILITIES_CONTRACTS_OVW_S>-CUSTOMER_NAME2 = 1.
<COD_UTILITIES_CONTRACTS_OVW_S>-CONTRACT = 1.
<COD_UTILITIES_CONTRACTS_OVW_S>-CONTRACT_TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COD_UTILITIES_CONTRACTS_OVW_S-INSTALLATION, sy-vline,
  WA_COD_UTILITIES_CONTRACTS_OVW_S-INST_ADDR, sy-vline,
  WA_COD_UTILITIES_CONTRACTS_OVW_S-CONT_ACCT, sy-vline,
  WA_COD_UTILITIES_CONTRACTS_OVW_S-CONT_ACCT_NAME, sy-vline,
  WA_COD_UTILITIES_CONTRACTS_OVW_S-COMP_CODE, sy-vline,
  WA_COD_UTILITIES_CONTRACTS_OVW_S-DIVISION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COD_UTILITIES_CONTRACTS_OVW_S 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_COD_UTILITIES_CONTRACTS_OVW_S 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_COD_UTILITIES_CONTRACTS_OVW_S INTO WA_COD_UTILITIES_CONTRACTS_OVW_S.


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

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

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

*Conversion exit TPLNR, internal->external for field CONNECTION_OBJ
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_COD_UTILITIES_CONTRACTS_OVW_S-CONNECTION_OBJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COD_UTILITIES_CONTRACTS_OVW_S-CONNECTION_OBJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PREMISE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_COD_UTILITIES_CONTRACTS_OVW_S-PREMISE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COD_UTILITIES_CONTRACTS_OVW_S-PREMISE.
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_COD_UTILITIES_CONTRACTS_OVW_S_STR, 
CUSTOMER TYPE STRING,
CUSTOMER_NAME1 TYPE STRING,
CUSTOMER_NAME2 TYPE STRING,
CONTRACT TYPE STRING,
CONTRACT_TEXT TYPE STRING,
INSTALLATION TYPE STRING,
INST_ADDR TYPE STRING,
CONT_ACCT TYPE STRING,
CONT_ACCT_NAME TYPE STRING,
COMP_CODE TYPE STRING,
DIVISION TYPE STRING,
DIVISION_TEXT TYPE STRING,
ACTDETERID TYPE STRING,
JOINT_INVOICE TYPE STRING,
REQ_AMOUNT TYPE STRING,
REQ_REASON TYPE STRING,
CURRENCY TYPE STRING,
CURRENCY_ISO TYPE STRING,
START_DATE TYPE STRING,
RETURN_DATE TYPE STRING,
SECURITYNUMBER TYPE STRING,
STATUS TYPE STRING,
TARIFTYP TYPE STRING,
CONNECTION_OBJ TYPE STRING,
CON_OBJ_ADDR TYPE STRING,
PREMISE TYPE STRING,
PREMISE_ADDR TYPE STRING,
POD TYPE STRING,
METER_READ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COD_UTILITIES_CONTRACTS_OVW_S_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_COD_UTILITIES_CONTRACTS_OVW_S_STR-CUSTOMER sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-CUSTOMER_NAME1 sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-CUSTOMER_NAME2 sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-CONTRACT sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-CONTRACT_TEXT sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-INSTALLATION sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-INST_ADDR sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-CONT_ACCT sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-CONT_ACCT_NAME sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-COMP_CODE sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-DIVISION sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-DIVISION_TEXT sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-ACTDETERID sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-JOINT_INVOICE sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-REQ_AMOUNT sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-REQ_REASON sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-CURRENCY sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-CURRENCY_ISO sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-START_DATE sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-RETURN_DATE sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-SECURITYNUMBER sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-STATUS sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-TARIFTYP sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-CONNECTION_OBJ sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-CON_OBJ_ADDR sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-PREMISE sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-PREMISE_ADDR sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-POD sy-vline 
WA_COD_UTILITIES_CONTRACTS_OVW_S_STR-METER_READ sy-vline      INTO ld_text SEPARATED BY SPACE.

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