ABAP Select data from SAP table RCF_S_QUERY_APPLICATION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCF_S_QUERY_APPLICATION
*  INTO TABLE @DATA(IT_RCF_S_QUERY_APPLICATION2).
*--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_RCF_S_QUERY_APPLICATION INDEX 1 INTO DATA(WA_RCF_S_QUERY_APPLICATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCF_S_QUERY_APPLICATION>-CAND_OBJID = 1.
<RCF_S_QUERY_APPLICATION>-APPL_OBJID = 1.
<RCF_S_QUERY_APPLICATION>-CDCY_OBJID = 1.
<RCF_S_QUERY_APPLICATION>-REQ_OBJID = 1.
<RCF_S_QUERY_APPLICATION>-P5133_OTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCF_S_QUERY_APPLICATION-P5133_STATUS, sy-vline,
  WA_RCF_S_QUERY_APPLICATION-APPL_ACT_OTYPE, sy-vline,
  WA_RCF_S_QUERY_APPLICATION-APPL_ACT_TYPE, sy-vline,
  WA_RCF_S_QUERY_APPLICATION-APPL_ACT_STATUS, sy-vline,
  WA_RCF_S_QUERY_APPLICATION-APPL_ACT_DUE_DATE, sy-vline,
  WA_RCF_S_QUERY_APPLICATION-APPL_ACT_FIRSTNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCF_S_QUERY_APPLICATION 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_RCF_S_QUERY_APPLICATION 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_RCF_S_QUERY_APPLICATION INTO WA_RCF_S_QUERY_APPLICATION.


*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 P5125_COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCF_S_QUERY_APPLICATION-P5125_COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCF_S_QUERY_APPLICATION-P5125_COSTCENTER.
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_RCF_S_QUERY_APPLICATION_STR, 
CAND_OBJID TYPE STRING,
APPL_OBJID TYPE STRING,
CDCY_OBJID TYPE STRING,
REQ_OBJID TYPE STRING,
P5133_OTYPE TYPE STRING,
P5133_STATUS TYPE STRING,
APPL_ACT_OTYPE TYPE STRING,
APPL_ACT_TYPE TYPE STRING,
APPL_ACT_STATUS TYPE STRING,
APPL_ACT_DUE_DATE TYPE STRING,
APPL_ACT_FIRSTNAME TYPE STRING,
APPL_ACT_LASTNAME TYPE STRING,
APPL_ACT_USERID TYPE STRING,
APPL_ACT_CAT TYPE STRING,
APPL_ACT_DATE_EXECUTED TYPE STRING,
APPL_ACT_EXECUTER_FIRSTNAME TYPE STRING,
APPL_ACT_EXECUTER_LASTNAME TYPE STRING,
APPL_ACT_EXECUTER TYPE STRING,
APPL_ACT_PROC TYPE STRING,
CDCY_ACT_OTYPE TYPE STRING,
CDCY_ACT_TYPE TYPE STRING,
CDCY_ACT_STATUS TYPE STRING,
CDCY_ACT_DUE_DATE TYPE STRING,
CDCY_ACT_FIRSTNAME TYPE STRING,
CDCY_ACT_LASTNAME TYPE STRING,
CDCY_ACT_USERID TYPE STRING,
CDCY_ACT_CAT TYPE STRING,
CDCY_ACT_DATE_EXECUTED TYPE STRING,
CDCY_ACT_EXECUTER_FIRSTNAME TYPE STRING,
CDCY_ACT_EXECUTER_LASTNAME TYPE STRING,
CDCY_ACT_EXECUTER TYPE STRING,
CDCY_ACT_PROC TYPE STRING,
P5102_OTYPE TYPE STRING,
P5102_STATUS TYPE STRING,
P5102_FIRSTNAME TYPE STRING,
P5102_LASTNAME TYPE STRING,
P5102_TGROUP TYPE STRING,
P5125_OTYPE TYPE STRING,
P5125_STATUS TYPE STRING,
P5125_HEADER TYPE STRING,
P5125_NO_JOBS TYPE STRING,
P5125_COSTCENTER TYPE STRING,
P5125_ALIAS TYPE STRING,
P5125_APPL_END TYPE STRING,
P5125_TGROUP TYPE STRING,
P5125_RELEASED TYPE STRING,
P5125_CLOSED TYPE STRING,
P5125_FIRST_RELEASED TYPE STRING,
APPL_P5131_OTYPE TYPE STRING,
APPL_P5131_ROLE TYPE STRING,
APPL_P5131_FIRSTNAME TYPE STRING,
APPL_P5131_LASTNAME TYPE STRING,
APPL_P5131_USERID TYPE STRING,
REQ_P5131_OTYPE TYPE STRING,
REQ_P5131_ROLE TYPE STRING,
REQ_P5131_FIRSTNAME TYPE STRING,
REQ_P5131_LASTNAME TYPE STRING,
REQ_P5131_USERID TYPE STRING,
P5132_OTYPE TYPE STRING,
P5132_APPL_STATUS TYPE STRING,
P5132_APPL_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCF_S_QUERY_APPLICATION_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_RCF_S_QUERY_APPLICATION_STR-CAND_OBJID sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_OBJID sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_OBJID sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-REQ_OBJID sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5133_OTYPE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5133_STATUS sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_OTYPE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_TYPE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_STATUS sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_DUE_DATE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_FIRSTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_LASTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_USERID sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_CAT sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_DATE_EXECUTED sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_EXECUTER_FIRSTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_EXECUTER_LASTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_EXECUTER sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_ACT_PROC sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_OTYPE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_TYPE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_STATUS sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_DUE_DATE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_FIRSTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_LASTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_USERID sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_CAT sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_DATE_EXECUTED sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_EXECUTER_FIRSTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_EXECUTER_LASTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_EXECUTER sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-CDCY_ACT_PROC sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5102_OTYPE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5102_STATUS sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5102_FIRSTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5102_LASTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5102_TGROUP sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_OTYPE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_STATUS sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_HEADER sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_NO_JOBS sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_COSTCENTER sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_ALIAS sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_APPL_END sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_TGROUP sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_RELEASED sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_CLOSED sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5125_FIRST_RELEASED sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_P5131_OTYPE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_P5131_ROLE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_P5131_FIRSTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_P5131_LASTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-APPL_P5131_USERID sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-REQ_P5131_OTYPE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-REQ_P5131_ROLE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-REQ_P5131_FIRSTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-REQ_P5131_LASTNAME sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-REQ_P5131_USERID sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5132_OTYPE sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5132_APPL_STATUS sy-vline 
WA_RCF_S_QUERY_APPLICATION_STR-P5132_APPL_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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