ABAP Select data from SAP table ROIUREP_TX_H10_DETAIL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUREP_TX_H10_DETAIL 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_TX_H10_DETAIL. 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_TX_H10_DETAIL 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_TX_H10_DETAIL TYPE STANDARD TABLE OF ROIUREP_TX_H10_DETAIL,
      WA_ROIUREP_TX_H10_DETAIL TYPE ROIUREP_TX_H10_DETAIL,
      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_TX_H10_DETAIL> TYPE ROIUREP_TX_H10_DETAIL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUREP_TX_H10_DETAIL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUREP_TX_H10_DETAIL
  INTO TABLE IT_ROIUREP_TX_H10_DETAIL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUREP_TX_H10_DETAIL
*  INTO TABLE @DATA(IT_ROIUREP_TX_H10_DETAIL2).
*--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_TX_H10_DETAIL INDEX 1 INTO DATA(WA_ROIUREP_TX_H10_DETAIL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUREP_TX_H10_DETAIL ASSIGNING <ROIUREP_TX_H10_DETAIL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUREP_TX_H10_DETAIL>-HEAD_SEQNR = 1.
<ROIUREP_TX_H10_DETAIL>-REC_TYPE = 1.
<ROIUREP_TX_H10_DETAIL>-OPER_NBR = 1.
<ROIUREP_TX_H10_DETAIL>-REPORT_TYPE = 1.
<ROIUREP_TX_H10_DETAIL>-DISTRICT = 1.

ENDLOOP.

LOOP AT IT_ROIUREP_TX_H10_DETAIL INTO WA_ROIUREP_TX_H10_DETAIL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUREP_TX_H10_DETAIL-RECORD_TYPE, sy-vline,
  WA_ROIUREP_TX_H10_DETAIL-UIC_CONTROL_NO, sy-vline,
  WA_ROIUREP_TX_H10_DETAIL-FILLER1, sy-vline,
  WA_ROIUREP_TX_H10_DETAIL-CYCLE_YEAR, sy-vline,
  WA_ROIUREP_TX_H10_DETAIL-CYCLE_MONTH, sy-vline,
  WA_ROIUREP_TX_H10_DETAIL-AVG_INJ_PSIG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUREP_TX_H10_DETAIL 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_TX_H10_DETAIL 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_TX_H10_DETAIL INTO WA_ROIUREP_TX_H10_DETAIL.


*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 LEASE_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUREP_TX_H10_DETAIL-LEASE_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUREP_TX_H10_DETAIL-LEASE_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GASID_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUREP_TX_H10_DETAIL-GASID_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUREP_TX_H10_DETAIL-GASID_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_ROIUREP_TX_H10_DETAIL_STR, 
HEAD_SEQNR TYPE STRING,
REC_TYPE TYPE STRING,
OPER_NBR TYPE STRING,
REPORT_TYPE TYPE STRING,
DISTRICT TYPE STRING,
RECORD_TYPE TYPE STRING,
UIC_CONTROL_NO TYPE STRING,
FILLER1 TYPE STRING,
CYCLE_YEAR TYPE STRING,
CYCLE_MONTH TYPE STRING,
AVG_INJ_PSIG TYPE STRING,
MAX_INJ_PSIG TYPE STRING,
VOL_INJ_BBLS TYPE STRING,
VOL_INJ_MCF TYPE STRING,
ANN_COUNT TYPE STRING,
ANN_MIN_PSIG TYPE STRING,
ANN_MAX_PSIG TYPE STRING,
FILLER2 TYPE STRING,
DUE_YEAR TYPE STRING,
DUE_MONTH TYPE STRING,
FILLER3 TYPE STRING,
LEASE_NO TYPE STRING,
GASID_NO TYPE STRING,
WELL_NO TYPE STRING,
FIELD_NO TYPE STRING,
FILED_NAME TYPE STRING,
LEASE_NAME TYPE STRING,
COUNTY_NAME TYPE STRING,
FILLER4 TYPE STRING,
TOP_INJ_INTERVAL TYPE STRING,
BOT_INJ_INTERVAL TYPE STRING,
INJ_THRU TYPE STRING,
DEPTH_PACKER TYPE STRING,
SALTWATER_INJ TYPE STRING,
FRESHWATER_INJ TYPE STRING,
BRACKISHWATER_INJ TYPE STRING,
AIR_INJ TYPE STRING,
GAS_INJ TYPE STRING,
POLYMER_INJ TYPE STRING,
CO2_INJ TYPE STRING,
OTHER_INJ TYPE STRING,
FLUID_COMMENT TYPE STRING,
NORM_INJ TYPE STRING,
FLUID_SOURCE TYPE STRING,
FILLER5 TYPE STRING,
API_COUNTY TYPE STRING,
API_SUFFIX TYPE STRING,
FILLER6 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUREP_TX_H10_DETAIL_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_TX_H10_DETAIL_STR-HEAD_SEQNR sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-REC_TYPE sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-OPER_NBR sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-REPORT_TYPE sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-DISTRICT sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-RECORD_TYPE sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-UIC_CONTROL_NO sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FILLER1 sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-CYCLE_YEAR sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-CYCLE_MONTH sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-AVG_INJ_PSIG sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-MAX_INJ_PSIG sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-VOL_INJ_BBLS sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-VOL_INJ_MCF sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-ANN_COUNT sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-ANN_MIN_PSIG sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-ANN_MAX_PSIG sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FILLER2 sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-DUE_YEAR sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-DUE_MONTH sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FILLER3 sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-LEASE_NO sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-GASID_NO sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-WELL_NO sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FIELD_NO sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FILED_NAME sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-LEASE_NAME sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-COUNTY_NAME sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FILLER4 sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-TOP_INJ_INTERVAL sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-BOT_INJ_INTERVAL sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-INJ_THRU sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-DEPTH_PACKER sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-SALTWATER_INJ sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FRESHWATER_INJ sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-BRACKISHWATER_INJ sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-AIR_INJ sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-GAS_INJ sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-POLYMER_INJ sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-CO2_INJ sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-OTHER_INJ sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FLUID_COMMENT sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-NORM_INJ sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FLUID_SOURCE sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FILLER5 sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-API_COUNTY sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-API_SUFFIX sy-vline 
WA_ROIUREP_TX_H10_DETAIL_STR-FILLER6 sy-vline      INTO ld_text SEPARATED BY SPACE.

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