ABAP Select data from SAP table RMAN_PRSP_MD_TOOL_ST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RMAN_PRSP_MD_TOOL_ST
*  INTO TABLE @DATA(IT_RMAN_PRSP_MD_TOOL_ST2).
*--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_RMAN_PRSP_MD_TOOL_ST INDEX 1 INTO DATA(WA_RMAN_PRSP_MD_TOOL_ST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RMAN_PRSP_MD_TOOL_ST>-AVAILABLE = 1.
<RMAN_PRSP_MD_TOOL_ST>-PLANT = 1.
<RMAN_PRSP_MD_TOOL_ST>-APLZL = 1.
<RMAN_PRSP_MD_TOOL_ST>-AUFPL = 1.
<RMAN_PRSP_MD_TOOL_ST>-OPERATION_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RMAN_PRSP_MD_TOOL_ST-PRT_NUMBER, sy-vline,
  WA_RMAN_PRSP_MD_TOOL_ST-PRT_DESC, sy-vline,
  WA_RMAN_PRSP_MD_TOOL_ST-ACT_ST_DATE, sy-vline,
  WA_RMAN_PRSP_MD_TOOL_ST-ACT_FIN_DATE, sy-vline,
  WA_RMAN_PRSP_MD_TOOL_ST-SYSTEM_STATUS, sy-vline,
  WA_RMAN_PRSP_MD_TOOL_ST-U_STATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RMAN_PRSP_MD_TOOL_ST 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_RMAN_PRSP_MD_TOOL_ST 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_RMAN_PRSP_MD_TOOL_ST INTO WA_RMAN_PRSP_MD_TOOL_ST.


*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 NUMCV, internal->external for field OPERATION_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RMAN_PRSP_MD_TOOL_ST-OPERATION_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMAN_PRSP_MD_TOOL_ST-OPERATION_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MAINT_ORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RMAN_PRSP_MD_TOOL_ST-MAINT_ORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMAN_PRSP_MD_TOOL_ST-MAINT_ORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TOT_QTY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMAN_PRSP_MD_TOOL_ST-TOT_QTY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMAN_PRSP_MD_TOOL_ST-TOT_QTY_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MSMT_POINT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RMAN_PRSP_MD_TOOL_ST-MSMT_POINT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMAN_PRSP_MD_TOOL_ST-MSMT_POINT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field HEADER_MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RMAN_PRSP_MD_TOOL_ST-HEADER_MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMAN_PRSP_MD_TOOL_ST-HEADER_MATERIAL.
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_RMAN_PRSP_MD_TOOL_ST_STR, 
AVAILABLE TYPE STRING,
PLANT TYPE STRING,
APLZL TYPE STRING,
AUFPL TYPE STRING,
OPERATION_NUMBER TYPE STRING,
PRT_NUMBER TYPE STRING,
PRT_DESC TYPE STRING,
ACT_ST_DATE TYPE STRING,
ACT_FIN_DATE TYPE STRING,
SYSTEM_STATUS TYPE STRING,
U_STATUS TYPE STRING,
MAINT_ORDER TYPE STRING,
MAINT_ORDER_TYPE TYPE STRING,
MTORD_ST_DAT TYPE STRING,
MTORD_FIN_DAT TYPE STRING,
TOT_QTY TYPE STRING,
TOT_QTY_UNIT TYPE STRING,
MSMT_POINT TYPE STRING,
MSMT_POINT_DESC TYPE STRING,
RMNG_QTY TYPE STRING,
MAINT_PLANG_PLNT TYPE STRING,
LOCATION TYPE STRING,
ROOM TYPE STRING,
PLNT_SECTION TYPE STRING,
SORT_FIELD TYPE STRING,
TOTCTR_READING TYPE STRING,
WORK_CENTER TYPE STRING,
WORK_CENTER_DESC TYPE STRING,
TIME_GRP TYPE STRING,
HEADER_MATERIAL TYPE STRING,
HEADER_MAT_DESC TYPE STRING,
GP_NUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RMAN_PRSP_MD_TOOL_ST_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_RMAN_PRSP_MD_TOOL_ST_STR-AVAILABLE sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-PLANT sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-APLZL sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-AUFPL sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-OPERATION_NUMBER sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-PRT_NUMBER sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-PRT_DESC sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-ACT_ST_DATE sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-ACT_FIN_DATE sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-SYSTEM_STATUS sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-U_STATUS sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-MAINT_ORDER sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-MAINT_ORDER_TYPE sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-MTORD_ST_DAT sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-MTORD_FIN_DAT sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-TOT_QTY sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-TOT_QTY_UNIT sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-MSMT_POINT sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-MSMT_POINT_DESC sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-RMNG_QTY sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-MAINT_PLANG_PLNT sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-LOCATION sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-ROOM sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-PLNT_SECTION sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-SORT_FIELD sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-TOTCTR_READING sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-WORK_CENTER sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-WORK_CENTER_DESC sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-TIME_GRP sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-HEADER_MATERIAL sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-HEADER_MAT_DESC sy-vline 
WA_RMAN_PRSP_MD_TOOL_ST_STR-GP_NUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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