ABAP Select data from SAP table PRU_RSV1_T5 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRU_RSV1_T5 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 PRU_RSV1_T5. 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 PRU_RSV1_T5 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_PRU_RSV1_T5 TYPE STANDARD TABLE OF PRU_RSV1_T5,
      WA_PRU_RSV1_T5 TYPE PRU_RSV1_T5,
      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: <PRU_RSV1_T5> TYPE PRU_RSV1_T5.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRU_RSV1_T5.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRU_RSV1_T5
  INTO TABLE IT_PRU_RSV1_T5.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRU_RSV1_T5
*  INTO TABLE @DATA(IT_PRU_RSV1_T52).
*--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_PRU_RSV1_T5 INDEX 1 INTO DATA(WA_PRU_RSV1_T52).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRU_RSV1_T5 ASSIGNING <PRU_RSV1_T5>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRU_RSV1_T5>-T5NPP = 1.
<PRU_RSV1_T5>-T5NAM = 1.
<PRU_RSV1_T5>-T5SVN = 1.
<PRU_RSV1_T5>-T5SVD = 1.
<PRU_RSV1_T5>-T5TOT = 1.

ENDLOOP.

LOOP AT IT_PRU_RSV1_T5 INTO WA_PRU_RSV1_T5.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRU_RSV1_T5-T5SM1, sy-vline,
  WA_PRU_RSV1_T5-T5SM2, sy-vline,
  WA_PRU_RSV1_T5-T5SM3, sy-vline,
  WA_PRU_RSV1_T5-VFAM, sy-vline,
  WA_PRU_RSV1_T5-VNAM, sy-vline,
  WA_PRU_RSV1_T5-VOTC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRU_RSV1_T5 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_PRU_RSV1_T5 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_PRU_RSV1_T5 INTO WA_PRU_RSV1_T5.


*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_PRU_RSV1_T5_STR, 
T5NPP TYPE STRING,
T5NAM TYPE STRING,
T5SVN TYPE STRING,
T5SVD TYPE STRING,
T5TOT TYPE STRING,
T5SM1 TYPE STRING,
T5SM2 TYPE STRING,
T5SM3 TYPE STRING,
VFAM TYPE STRING,
VNAM TYPE STRING,
VOTC TYPE STRING,
T5VN3 TYPE STRING,
T5VD3 TYPE STRING,
T5VN4 TYPE STRING,
T5VD4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRU_RSV1_T5_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_PRU_RSV1_T5_STR-T5NPP sy-vline 
WA_PRU_RSV1_T5_STR-T5NAM sy-vline 
WA_PRU_RSV1_T5_STR-T5SVN sy-vline 
WA_PRU_RSV1_T5_STR-T5SVD sy-vline 
WA_PRU_RSV1_T5_STR-T5TOT sy-vline 
WA_PRU_RSV1_T5_STR-T5SM1 sy-vline 
WA_PRU_RSV1_T5_STR-T5SM2 sy-vline 
WA_PRU_RSV1_T5_STR-T5SM3 sy-vline 
WA_PRU_RSV1_T5_STR-VFAM sy-vline 
WA_PRU_RSV1_T5_STR-VNAM sy-vline 
WA_PRU_RSV1_T5_STR-VOTC sy-vline 
WA_PRU_RSV1_T5_STR-T5VN3 sy-vline 
WA_PRU_RSV1_T5_STR-T5VD3 sy-vline 
WA_PRU_RSV1_T5_STR-T5VN4 sy-vline 
WA_PRU_RSV1_T5_STR-T5VD4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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