ABAP Select data from SAP table OI0_HYDCARB_QTY_CON_RESP_MSG_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OI0_HYDCARB_QTY_CON_RESP_MSG_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 OI0_HYDCARB_QTY_CON_RESP_MSG_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 OI0_HYDCARB_QTY_CON_RESP_MSG_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_OI0_HYDCARB_QTY_CON_RESP_MSG_S TYPE STANDARD TABLE OF OI0_HYDCARB_QTY_CON_RESP_MSG_S,
      WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S TYPE OI0_HYDCARB_QTY_CON_RESP_MSG_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: <OI0_HYDCARB_QTY_CON_RESP_MSG_S> TYPE OI0_HYDCARB_QTY_CON_RESP_MSG_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OI0_HYDCARB_QTY_CON_RESP_MSG_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OI0_HYDCARB_QTY_CON_RESP_MSG_S
  INTO TABLE IT_OI0_HYDCARB_QTY_CON_RESP_MSG_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OI0_HYDCARB_QTY_CON_RESP_MSG_S
*  INTO TABLE @DATA(IT_OI0_HYDCARB_QTY_CON_RESP_MSG_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_OI0_HYDCARB_QTY_CON_RESP_MSG_S INDEX 1 INTO DATA(WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OI0_HYDCARB_QTY_CON_RESP_MSG_S ASSIGNING <OI0_HYDCARB_QTY_CON_RESP_MSG_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OI0_HYDCARB_QTY_CON_RESP_MSG_S>-CONTROLLER = 1.
<OI0_HYDCARB_QTY_CON_RESP_MSG_S>-OI0_HYDCARB_QTY_CONV = 1.
<OI0_HYDCARB_QTY_CON_RESP_MSG_S>-CONTROLLER = 1.
<OI0_HYDCARB_QTY_CON_RESP_MSG_S>-MATERIAL_INTERNAL_ID = 1.
<OI0_HYDCARB_QTY_CON_RESP_MSG_S>-CONTROLLER = 1.

ENDLOOP.

LOOP AT IT_OI0_HYDCARB_QTY_CON_RESP_MSG_S INTO WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S-SCHEME_ID, sy-vline,
  WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S-SCHEME_AGENCY_ID, sy-vline,
  WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S-CONTENT, sy-vline,
  WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S-BATCH_ID, sy-vline,
  WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S-CONTROLLER, sy-vline,
  WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S-SCHEME_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OI0_HYDCARB_QTY_CON_RESP_MSG_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_OI0_HYDCARB_QTY_CON_RESP_MSG_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_OI0_HYDCARB_QTY_CON_RESP_MSG_S INTO WA_OI0_HYDCARB_QTY_CON_RESP_MSG_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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR, 
CONTROLLER TYPE STRING,
OI0_HYDCARB_QTY_CONV TYPE STRING,
CONTROLLER TYPE STRING,
MATERIAL_INTERNAL_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
BATCH_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_VERSION_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
PLANT_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
INVENTORY_MANAGED_LOC_INT_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
ENTRY_QUANTITY TYPE STRING,
CONTROLLER TYPE STRING,
UNIT_CODE TYPE STRING,
CONTENT TYPE STRING,
DATE_TIME TYPE STRING,
CONTROLLER TYPE STRING,
TIME_ZONE_CODE TYPE STRING,
DAYLIGHT_SAVING_TIME_INDICATOR TYPE STRING,
CONTENT TYPE STRING,
MRSG_DVCE_CORR_FACTOR_VAL TYPE STRING,
AIR_BUOYANCY_REQUIRED_IND TYPE STRING,
HYDROMETER_CORR_REQUIRED_IND TYPE STRING,
BOTTOM_SEDIMENT_AND_WATER_PERC TYPE STRING,
GAS_ANALYSIS TYPE STRING,
PARAMETER TYPE STRING,
QUANTITY TYPE STRING,
OI0_BUS_TRANSAC_DOC_REF TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
ITEM_ID TYPE STRING,
TYPE_CODE TYPE STRING,
TYPE_NAME TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,
LOG TYPE STRING,
CONTROLLER TYPE STRING,
BUSINESS_DOCUMENT_PROCESSING TYPE STRING,
MAXIMUM_LOG_ITEM_SEVERITY_CODE TYPE STRING,
ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OI0_HYDCARB_QTY_CON_RESP_MSG_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_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-OI0_HYDCARB_QTY_CONV sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-MATERIAL_INTERNAL_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_AGENCY_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTENT sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-BATCH_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_VERSION_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_AGENCY_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_AGENCY_SCHEME_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTENT sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-PLANT_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_AGENCY_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTENT sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-INVENTORY_MANAGED_LOC_INT_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_AGENCY_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTENT sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-ENTRY_QUANTITY sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-UNIT_CODE sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTENT sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-DATE_TIME sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-TIME_ZONE_CODE sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-DAYLIGHT_SAVING_TIME_INDICATOR sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTENT sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-MRSG_DVCE_CORR_FACTOR_VAL sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-AIR_BUOYANCY_REQUIRED_IND sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-HYDROMETER_CORR_REQUIRED_IND sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-BOTTOM_SEDIMENT_AND_WATER_PERC sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-GAS_ANALYSIS sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-PARAMETER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-QUANTITY sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-OI0_BUS_TRANSAC_DOC_REF sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_AGENCY_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTENT sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-ITEM_ID sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-TYPE_CODE sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-TYPE_NAME sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-LANGUAGE_CODE sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTENT sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-LOG sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-CONTROLLER sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-BUSINESS_DOCUMENT_PROCESSING sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-MAXIMUM_LOG_ITEM_SEVERITY_CODE sy-vline 
WA_OI0_HYDCARB_QTY_CON_RESP_MSG_S_STR-ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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