ABAP Select data from SAP table ROIUREP_CO_FORM7_DETAIL_OLD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUREP_CO_FORM7_DETAIL_OLD 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 ROIUREP_CO_FORM7_DETAIL_OLD. 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 ROIUREP_CO_FORM7_DETAIL_OLD 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_ROIUREP_CO_FORM7_DETAIL_OLD TYPE STANDARD TABLE OF ROIUREP_CO_FORM7_DETAIL_OLD,
      WA_ROIUREP_CO_FORM7_DETAIL_OLD TYPE ROIUREP_CO_FORM7_DETAIL_OLD,
      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: <ROIUREP_CO_FORM7_DETAIL_OLD> TYPE ROIUREP_CO_FORM7_DETAIL_OLD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUREP_CO_FORM7_DETAIL_OLD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUREP_CO_FORM7_DETAIL_OLD
  INTO TABLE IT_ROIUREP_CO_FORM7_DETAIL_OLD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUREP_CO_FORM7_DETAIL_OLD
*  INTO TABLE @DATA(IT_ROIUREP_CO_FORM7_DETAIL_OLD2).
*--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_ROIUREP_CO_FORM7_DETAIL_OLD INDEX 1 INTO DATA(WA_ROIUREP_CO_FORM7_DETAIL_OLD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUREP_CO_FORM7_DETAIL_OLD ASSIGNING <ROIUREP_CO_FORM7_DETAIL_OLD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUREP_CO_FORM7_DETAIL_OLD>-HEAD_SEQNR = 1.
<ROIUREP_CO_FORM7_DETAIL_OLD>-REC_TYPE = 1.
<ROIUREP_CO_FORM7_DETAIL_OLD>-FORM_NAME = 1.
<ROIUREP_CO_FORM7_DETAIL_OLD>-PROD_MONTH = 1.
<ROIUREP_CO_FORM7_DETAIL_OLD>-PROD_YEAR = 1.

ENDLOOP.

LOOP AT IT_ROIUREP_CO_FORM7_DETAIL_OLD INTO WA_ROIUREP_CO_FORM7_DETAIL_OLD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUREP_CO_FORM7_DETAIL_OLD-OPER_NBR, sy-vline,
  WA_ROIUREP_CO_FORM7_DETAIL_OLD-OPER_NBRB, sy-vline,
  WA_ROIUREP_CO_FORM7_DETAIL_OLD-OPERATOR_NAME, sy-vline,
  WA_ROIUREP_CO_FORM7_DETAIL_OLD-ADDRESS, sy-vline,
  WA_ROIUREP_CO_FORM7_DETAIL_OLD-CITY, sy-vline,
  WA_ROIUREP_CO_FORM7_DETAIL_OLD-STATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUREP_CO_FORM7_DETAIL_OLD 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_ROIUREP_CO_FORM7_DETAIL_OLD 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_ROIUREP_CO_FORM7_DETAIL_OLD INTO WA_ROIUREP_CO_FORM7_DETAIL_OLD.


*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 GJAHR, internal->external for field PROD_YEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ROIUREP_CO_FORM7_DETAIL_OLD-PROD_YEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUREP_CO_FORM7_DETAIL_OLD-PROD_YEAR.
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_ROIUREP_CO_FORM7_DETAIL_OLD_STR, 
HEAD_SEQNR TYPE STRING,
REC_TYPE TYPE STRING,
FORM_NAME TYPE STRING,
PROD_MONTH TYPE STRING,
PROD_YEAR TYPE STRING,
OPER_NBR TYPE STRING,
OPER_NBRB TYPE STRING,
OPERATOR_NAME TYPE STRING,
ADDRESS TYPE STRING,
CITY TYPE STRING,
STATE TYPE STRING,
ZIP TYPE STRING,
PHONEAC TYPE STRING,
PHONENBR TYPE STRING,
FAXAC TYPE STRING,
FAXNBR TYPE STRING,
REVISED TYPE STRING,
API_CTY TYPE STRING,
API_SEQ TYPE STRING,
API_SIDT TYPE STRING,
WL_NAME_NBR TYPE STRING,
FORM_CD TYPE STRING,
WELL_STAT TYPE STRING,
DAYS_PROD TYPE STRING,
QQ TYPE STRING,
SEC TYPE STRING,
TWP TYPE STRING,
RNG TYPE STRING,
BEG_INV TYPE STRING,
OIL_PROD TYPE STRING,
OIL_SOLD TYPE STRING,
OIL_ADJ TYPE STRING,
END_INV TYPE STRING,
GAS_PROD TYPE STRING,
GAS_FLARED TYPE STRING,
GAS_USED TYPE STRING,
GAS_SHRINK TYPE STRING,
GAS_SOLD TYPE STRING,
OIL_GRAV TYPE STRING,
GAS_BTU TYPE STRING,
WATER_PROD TYPE STRING,
WATER_DISP_CD TYPE STRING,
WATER_TBG_PRES TYPE STRING,
WATER_CSG_PRES TYPE STRING,
GAS_TBG_PRES TYPE STRING,
GAS_CSG_PRES TYPE STRING,
PRINT_NAME TYPE STRING,
SIGNED TYPE STRING,
TITLE TYPE STRING,
SIGNED_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUREP_CO_FORM7_DETAIL_OLD_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_ROIUREP_CO_FORM7_DETAIL_OLD_STR-HEAD_SEQNR sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-REC_TYPE sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-FORM_NAME sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-PROD_MONTH sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-PROD_YEAR sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-OPER_NBR sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-OPER_NBRB sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-OPERATOR_NAME sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-ADDRESS sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-CITY sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-STATE sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-ZIP sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-PHONEAC sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-PHONENBR sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-FAXAC sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-FAXNBR sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-REVISED sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-API_CTY sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-API_SEQ sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-API_SIDT sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-WL_NAME_NBR sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-FORM_CD sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-WELL_STAT sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-DAYS_PROD sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-QQ sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-SEC sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-TWP sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-RNG sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-BEG_INV sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-OIL_PROD sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-OIL_SOLD sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-OIL_ADJ sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-END_INV sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-GAS_PROD sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-GAS_FLARED sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-GAS_USED sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-GAS_SHRINK sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-GAS_SOLD sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-OIL_GRAV sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-GAS_BTU sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-WATER_PROD sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-WATER_DISP_CD sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-WATER_TBG_PRES sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-WATER_CSG_PRES sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-GAS_TBG_PRES sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-GAS_CSG_PRES sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-PRINT_NAME sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-SIGNED sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-TITLE sy-vline 
WA_ROIUREP_CO_FORM7_DETAIL_OLD_STR-SIGNED_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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