ABAP Select data from SAP table ROIUY1_TX_UT1_H into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUY1_TX_UT1_H 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 ROIUY1_TX_UT1_H. 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 ROIUY1_TX_UT1_H 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_ROIUY1_TX_UT1_H TYPE STANDARD TABLE OF ROIUY1_TX_UT1_H,
      WA_ROIUY1_TX_UT1_H TYPE ROIUY1_TX_UT1_H,
      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: <ROIUY1_TX_UT1_H> TYPE ROIUY1_TX_UT1_H.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUY1_TX_UT1_H.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUY1_TX_UT1_H
  INTO TABLE IT_ROIUY1_TX_UT1_H.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUY1_TX_UT1_H
*  INTO TABLE @DATA(IT_ROIUY1_TX_UT1_H2).
*--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_ROIUY1_TX_UT1_H INDEX 1 INTO DATA(WA_ROIUY1_TX_UT1_H2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUY1_TX_UT1_H ASSIGNING <ROIUY1_TX_UT1_H>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUY1_TX_UT1_H>-ST_LEASE = 1.
<ROIUY1_TX_UT1_H>-PROD_YYYYMM = 1.
<ROIUY1_TX_UT1_H>-OPERATOR_NO = 1.
<ROIUY1_TX_UT1_H>-OPERATOR_NAME = 1.
<ROIUY1_TX_UT1_H>-ADDRESS = 1.

ENDLOOP.

LOOP AT IT_ROIUY1_TX_UT1_H INTO WA_ROIUY1_TX_UT1_H.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUY1_TX_UT1_H-RRC_LEASE_NO, sy-vline,
  WA_ROIUY1_TX_UT1_H-RRC_DIST_CD, sy-vline,
  WA_ROIUY1_TX_UT1_H-OIL_GAS, sy-vline,
  WA_ROIUY1_TX_UT1_H-ROYAL_PD_BY, sy-vline,
  WA_ROIUY1_TX_UT1_H-FIELD_NM, sy-vline,
  WA_ROIUY1_TX_UT1_H-LEASE_NM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUY1_TX_UT1_H 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_ROIUY1_TX_UT1_H 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_ROIUY1_TX_UT1_H INTO WA_ROIUY1_TX_UT1_H.


*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 PROPERTY_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUY1_TX_UT1_H-PROPERTY_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUY1_TX_UT1_H-PROPERTY_NO.
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_ROIUY1_TX_UT1_H_STR, 
ST_LEASE TYPE STRING,
PROD_YYYYMM TYPE STRING,
OPERATOR_NO TYPE STRING,
OPERATOR_NAME TYPE STRING,
ADDRESS TYPE STRING,
RRC_LEASE_NO TYPE STRING,
RRC_DIST_CD TYPE STRING,
OIL_GAS TYPE STRING,
ROYAL_PD_BY TYPE STRING,
FIELD_NM TYPE STRING,
LEASE_NM TYPE STRING,
PURCHASER TYPE STRING,
PURCHASER2 TYPE STRING,
PURCHASER3 TYPE STRING,
PURCHASER4 TYPE STRING,
AFFILIATED TYPE STRING,
AFFILIATED2 TYPE STRING,
AFFILIATED3 TYPE STRING,
AFFILIATED4 TYPE STRING,
SW_SWEET_FL TYPE STRING,
UNIT_TRACT TYPE STRING,
PROPERTY_NO TYPE STRING,
REC_TYPE TYPE STRING,
RRC_TYPE TYPE STRING,
REC_COUNT TYPE STRING,
SALES_DATE TYPE STRING,
PUR_ID TYPE STRING,
TRACT_NO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUY1_TX_UT1_H_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_ROIUY1_TX_UT1_H_STR-ST_LEASE sy-vline 
WA_ROIUY1_TX_UT1_H_STR-PROD_YYYYMM sy-vline 
WA_ROIUY1_TX_UT1_H_STR-OPERATOR_NO sy-vline 
WA_ROIUY1_TX_UT1_H_STR-OPERATOR_NAME sy-vline 
WA_ROIUY1_TX_UT1_H_STR-ADDRESS sy-vline 
WA_ROIUY1_TX_UT1_H_STR-RRC_LEASE_NO sy-vline 
WA_ROIUY1_TX_UT1_H_STR-RRC_DIST_CD sy-vline 
WA_ROIUY1_TX_UT1_H_STR-OIL_GAS sy-vline 
WA_ROIUY1_TX_UT1_H_STR-ROYAL_PD_BY sy-vline 
WA_ROIUY1_TX_UT1_H_STR-FIELD_NM sy-vline 
WA_ROIUY1_TX_UT1_H_STR-LEASE_NM sy-vline 
WA_ROIUY1_TX_UT1_H_STR-PURCHASER sy-vline 
WA_ROIUY1_TX_UT1_H_STR-PURCHASER2 sy-vline 
WA_ROIUY1_TX_UT1_H_STR-PURCHASER3 sy-vline 
WA_ROIUY1_TX_UT1_H_STR-PURCHASER4 sy-vline 
WA_ROIUY1_TX_UT1_H_STR-AFFILIATED sy-vline 
WA_ROIUY1_TX_UT1_H_STR-AFFILIATED2 sy-vline 
WA_ROIUY1_TX_UT1_H_STR-AFFILIATED3 sy-vline 
WA_ROIUY1_TX_UT1_H_STR-AFFILIATED4 sy-vline 
WA_ROIUY1_TX_UT1_H_STR-SW_SWEET_FL sy-vline 
WA_ROIUY1_TX_UT1_H_STR-UNIT_TRACT sy-vline 
WA_ROIUY1_TX_UT1_H_STR-PROPERTY_NO sy-vline 
WA_ROIUY1_TX_UT1_H_STR-REC_TYPE sy-vline 
WA_ROIUY1_TX_UT1_H_STR-RRC_TYPE sy-vline 
WA_ROIUY1_TX_UT1_H_STR-REC_COUNT sy-vline 
WA_ROIUY1_TX_UT1_H_STR-SALES_DATE sy-vline 
WA_ROIUY1_TX_UT1_H_STR-PUR_ID sy-vline 
WA_ROIUY1_TX_UT1_H_STR-TRACT_NO sy-vline      INTO ld_text SEPARATED BY SPACE.

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