ABAP Select data from SAP table /MRSS/T_SQE_RANK_MATCH_ROC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /MRSS/T_SQE_RANK_MATCH_ROC 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 /MRSS/T_SQE_RANK_MATCH_ROC. 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 /MRSS/T_SQE_RANK_MATCH_ROC 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_/MRSS/T_SQE_RANK_MATCH_ROC TYPE STANDARD TABLE OF /MRSS/T_SQE_RANK_MATCH_ROC,
      WA_/MRSS/T_SQE_RANK_MATCH_ROC TYPE /MRSS/T_SQE_RANK_MATCH_ROC,
      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: </MRSS/T_SQE_RANK_MATCH_ROC> TYPE /MRSS/T_SQE_RANK_MATCH_ROC.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /MRSS/T_SQE_RANK_MATCH_ROC
  INTO TABLE IT_/MRSS/T_SQE_RANK_MATCH_ROC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MRSS/T_SQE_RANK_MATCH_ROC
*  INTO TABLE @DATA(IT_/MRSS/T_SQE_RANK_MATCH_ROC2).
*--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_/MRSS/T_SQE_RANK_MATCH_ROC INDEX 1 INTO DATA(WA_/MRSS/T_SQE_RANK_MATCH_ROC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/MRSS/T_SQE_RANK_MATCH_ROC ASSIGNING </MRSS/T_SQE_RANK_MATCH_ROC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MRSS/T_SQE_RANK_MATCH_ROC>-RESKEY = 1.
</MRSS/T_SQE_RANK_MATCH_ROC>-RES_NAME = 1.
</MRSS/T_SQE_RANK_MATCH_ROC>-MATCH_TOTAL = 1.
</MRSS/T_SQE_RANK_MATCH_ROC>-ORG_STRUCTURE = 1.
</MRSS/T_SQE_RANK_MATCH_ROC>-STRUCT_QUALIF = 1.

ENDLOOP.

LOOP AT IT_/MRSS/T_SQE_RANK_MATCH_ROC INTO WA_/MRSS/T_SQE_RANK_MATCH_ROC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MRSS/T_SQE_RANK_MATCH_ROC-UNSTRUCT_01, sy-vline,
  WA_/MRSS/T_SQE_RANK_MATCH_ROC-UNSTRUCT_02, sy-vline,
  WA_/MRSS/T_SQE_RANK_MATCH_ROC-UNSTRUCT_03, sy-vline,
  WA_/MRSS/T_SQE_RANK_MATCH_ROC-UNSTRUCT_04, sy-vline,
  WA_/MRSS/T_SQE_RANK_MATCH_ROC-UNSTRUCT_05, sy-vline,
  WA_/MRSS/T_SQE_RANK_MATCH_ROC-UNSTRUCT_06, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MRSS/T_SQE_RANK_MATCH_ROC 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_/MRSS/T_SQE_RANK_MATCH_ROC 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_/MRSS/T_SQE_RANK_MATCH_ROC INTO WA_/MRSS/T_SQE_RANK_MATCH_ROC.


*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_/MRSS/T_SQE_RANK_MATCH_ROC_STR, 
RESKEY TYPE STRING,
RES_NAME TYPE STRING,
MATCH_TOTAL TYPE STRING,
ORG_STRUCTURE TYPE STRING,
STRUCT_QUALIF TYPE STRING,
UNSTRUCT_01 TYPE STRING,
UNSTRUCT_02 TYPE STRING,
UNSTRUCT_03 TYPE STRING,
UNSTRUCT_04 TYPE STRING,
UNSTRUCT_05 TYPE STRING,
UNSTRUCT_06 TYPE STRING,
UNSTRUCT_07 TYPE STRING,
UNSTRUCT_08 TYPE STRING,
UNSTRUCT_09 TYPE STRING,
UNSTRUCT_10 TYPE STRING,
OBL_QUALIF TYPE STRING,
AVAILABILITY TYPE STRING,
ON_CALL_TYPES TYPE STRING,
ON_CALL_FOUND TYPE STRING,
UNSTRUC_FOREIGN_LANG TYPE STRING,
DUMMY1 TYPE STRING,
DUMMY_CI_REQ TYPE STRING,
COMP_PROFILE_ID TYPE STRING,
SOL_PROFILE_ID TYPE STRING,
IND_FOCUS_ID TYPE STRING,
JOB_TEXT_ID TYPE STRING,
PLATINUM_CONS TYPE STRING,
POSSIBLE_LANG TYPE STRING,
CMP_PR_TOBE_ID TYPE STRING,
JOB_TEXT_IND TYPE STRING,
SOL_PROF_GRP TYPE STRING,
COMP_PROF_GRP TYPE STRING,
COMP_PROF_ND_ID TYPE STRING,
SOL_PROF_ND_ID TYPE STRING,
SOL_NODE_TYPE TYPE STRING,
COMP_NODE_TYPE TYPE STRING,
RESMGR_NAME TYPE STRING,
HR_ASS_OTYPE TYPE STRING,
HR_ASS_OBJID TYPE STRING,
HR_ASS_DESCR TYPE STRING,
PREF_SORT TYPE STRING,
CELLCOLOR TYPE STRING,
PERNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MRSS/T_SQE_RANK_MATCH_ROC_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_/MRSS/T_SQE_RANK_MATCH_ROC_STR-RESKEY sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-RES_NAME sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-MATCH_TOTAL sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-ORG_STRUCTURE sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-STRUCT_QUALIF sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUCT_01 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUCT_02 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUCT_03 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUCT_04 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUCT_05 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUCT_06 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUCT_07 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUCT_08 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUCT_09 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUCT_10 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-OBL_QUALIF sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-AVAILABILITY sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-ON_CALL_TYPES sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-ON_CALL_FOUND sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-UNSTRUC_FOREIGN_LANG sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-DUMMY1 sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-DUMMY_CI_REQ sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-COMP_PROFILE_ID sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-SOL_PROFILE_ID sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-IND_FOCUS_ID sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-JOB_TEXT_ID sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-PLATINUM_CONS sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-POSSIBLE_LANG sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-CMP_PR_TOBE_ID sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-JOB_TEXT_IND sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-SOL_PROF_GRP sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-COMP_PROF_GRP sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-COMP_PROF_ND_ID sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-SOL_PROF_ND_ID sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-SOL_NODE_TYPE sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-COMP_NODE_TYPE sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-RESMGR_NAME sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-HR_ASS_OTYPE sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-HR_ASS_OBJID sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-HR_ASS_DESCR sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-PREF_SORT sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-CELLCOLOR sy-vline 
WA_/MRSS/T_SQE_RANK_MATCH_ROC_STR-PERNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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