ABAP Select data from SAP table PRU_RSV1_PART2 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_PART2 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_PART2. 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_PART2 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_PART2 TYPE STANDARD TABLE OF PRU_RSV1_PART2,
      WA_PRU_RSV1_PART2 TYPE PRU_RSV1_PART2,
      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_PART2> TYPE PRU_RSV1_PART2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRU_RSV1_PART2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRU_RSV1_PART2
  INTO TABLE IT_PRU_RSV1_PART2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRU_RSV1_PART2
*  INTO TABLE @DATA(IT_PRU_RSV1_PART22).
*--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_PART2 INDEX 1 INTO DATA(WA_PRU_RSV1_PART22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRU_RSV1_PART2 ASSIGNING <PRU_RSV1_PART2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRU_RSV1_PART2>-T2003 = 1.
<PRU_RSV1_PART2>-T2004 = 1.
<PRU_RSV1_PART2>-T2005 = 1.
<PRU_RSV1_PART2>-T2006 = 1.
<PRU_RSV1_PART2>-T2013 = 1.

ENDLOOP.

LOOP AT IT_PRU_RSV1_PART2 INTO WA_PRU_RSV1_PART2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRU_RSV1_PART2-T2014, sy-vline,
  WA_PRU_RSV1_PART2-T2015, sy-vline,
  WA_PRU_RSV1_PART2-T2016, sy-vline,
  WA_PRU_RSV1_PART2-T2023, sy-vline,
  WA_PRU_RSV1_PART2-T2024, sy-vline,
  WA_PRU_RSV1_PART2-T2025, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRU_RSV1_PART2 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_PART2 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_PART2 INTO WA_PRU_RSV1_PART2.


*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_PART2_STR, 
T2003 TYPE STRING,
T2004 TYPE STRING,
T2005 TYPE STRING,
T2006 TYPE STRING,
T2013 TYPE STRING,
T2014 TYPE STRING,
T2015 TYPE STRING,
T2016 TYPE STRING,
T2023 TYPE STRING,
T2024 TYPE STRING,
T2025 TYPE STRING,
T2026 TYPE STRING,
T2103 TYPE STRING,
T2104 TYPE STRING,
T2105 TYPE STRING,
T2106 TYPE STRING,
T2113 TYPE STRING,
T2114 TYPE STRING,
T2115 TYPE STRING,
T2116 TYPE STRING,
T2123 TYPE STRING,
T2124 TYPE STRING,
T2125 TYPE STRING,
T2126 TYPE STRING,
T2143 TYPE STRING,
T2144 TYPE STRING,
T2145 TYPE STRING,
T2146 TYPE STRING,
T2153 TYPE STRING,
T2154 TYPE STRING,
T2155 TYPE STRING,
T2156 TYPE STRING,
T2163 TYPE STRING,
T2164 TYPE STRING,
T2165 TYPE STRING,
T2166 TYPE STRING,
T2173 TYPE STRING,
T2174 TYPE STRING,
T2175 TYPE STRING,
T2176 TYPE STRING,
T2183 TYPE STRING,
T2184 TYPE STRING,
T2185 TYPE STRING,
T2186 TYPE STRING,
T2203 TYPE STRING,
T2204 TYPE STRING,
T2205 TYPE STRING,
T2206 TYPE STRING,
T2213 TYPE STRING,
T2214 TYPE STRING,
T2215 TYPE STRING,
T2216 TYPE STRING,
T2303 TYPE STRING,
T2304 TYPE STRING,
T2305 TYPE STRING,
T2306 TYPE STRING,
T2413 TYPE STRING,
T2414 TYPE STRING,
T2415 TYPE STRING,
T2416 TYPE STRING,
T2423 TYPE STRING,
T2424 TYPE STRING,
T2425 TYPE STRING,
T2426 TYPE STRING,
T2433 TYPE STRING,
T2434 TYPE STRING,
T2435 TYPE STRING,
T2436 TYPE STRING,
T2443 TYPE STRING,
T2444 TYPE STRING,
T2445 TYPE STRING,
T2446 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRU_RSV1_PART2_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_PART2_STR-T2003 sy-vline 
WA_PRU_RSV1_PART2_STR-T2004 sy-vline 
WA_PRU_RSV1_PART2_STR-T2005 sy-vline 
WA_PRU_RSV1_PART2_STR-T2006 sy-vline 
WA_PRU_RSV1_PART2_STR-T2013 sy-vline 
WA_PRU_RSV1_PART2_STR-T2014 sy-vline 
WA_PRU_RSV1_PART2_STR-T2015 sy-vline 
WA_PRU_RSV1_PART2_STR-T2016 sy-vline 
WA_PRU_RSV1_PART2_STR-T2023 sy-vline 
WA_PRU_RSV1_PART2_STR-T2024 sy-vline 
WA_PRU_RSV1_PART2_STR-T2025 sy-vline 
WA_PRU_RSV1_PART2_STR-T2026 sy-vline 
WA_PRU_RSV1_PART2_STR-T2103 sy-vline 
WA_PRU_RSV1_PART2_STR-T2104 sy-vline 
WA_PRU_RSV1_PART2_STR-T2105 sy-vline 
WA_PRU_RSV1_PART2_STR-T2106 sy-vline 
WA_PRU_RSV1_PART2_STR-T2113 sy-vline 
WA_PRU_RSV1_PART2_STR-T2114 sy-vline 
WA_PRU_RSV1_PART2_STR-T2115 sy-vline 
WA_PRU_RSV1_PART2_STR-T2116 sy-vline 
WA_PRU_RSV1_PART2_STR-T2123 sy-vline 
WA_PRU_RSV1_PART2_STR-T2124 sy-vline 
WA_PRU_RSV1_PART2_STR-T2125 sy-vline 
WA_PRU_RSV1_PART2_STR-T2126 sy-vline 
WA_PRU_RSV1_PART2_STR-T2143 sy-vline 
WA_PRU_RSV1_PART2_STR-T2144 sy-vline 
WA_PRU_RSV1_PART2_STR-T2145 sy-vline 
WA_PRU_RSV1_PART2_STR-T2146 sy-vline 
WA_PRU_RSV1_PART2_STR-T2153 sy-vline 
WA_PRU_RSV1_PART2_STR-T2154 sy-vline 
WA_PRU_RSV1_PART2_STR-T2155 sy-vline 
WA_PRU_RSV1_PART2_STR-T2156 sy-vline 
WA_PRU_RSV1_PART2_STR-T2163 sy-vline 
WA_PRU_RSV1_PART2_STR-T2164 sy-vline 
WA_PRU_RSV1_PART2_STR-T2165 sy-vline 
WA_PRU_RSV1_PART2_STR-T2166 sy-vline 
WA_PRU_RSV1_PART2_STR-T2173 sy-vline 
WA_PRU_RSV1_PART2_STR-T2174 sy-vline 
WA_PRU_RSV1_PART2_STR-T2175 sy-vline 
WA_PRU_RSV1_PART2_STR-T2176 sy-vline 
WA_PRU_RSV1_PART2_STR-T2183 sy-vline 
WA_PRU_RSV1_PART2_STR-T2184 sy-vline 
WA_PRU_RSV1_PART2_STR-T2185 sy-vline 
WA_PRU_RSV1_PART2_STR-T2186 sy-vline 
WA_PRU_RSV1_PART2_STR-T2203 sy-vline 
WA_PRU_RSV1_PART2_STR-T2204 sy-vline 
WA_PRU_RSV1_PART2_STR-T2205 sy-vline 
WA_PRU_RSV1_PART2_STR-T2206 sy-vline 
WA_PRU_RSV1_PART2_STR-T2213 sy-vline 
WA_PRU_RSV1_PART2_STR-T2214 sy-vline 
WA_PRU_RSV1_PART2_STR-T2215 sy-vline 
WA_PRU_RSV1_PART2_STR-T2216 sy-vline 
WA_PRU_RSV1_PART2_STR-T2303 sy-vline 
WA_PRU_RSV1_PART2_STR-T2304 sy-vline 
WA_PRU_RSV1_PART2_STR-T2305 sy-vline 
WA_PRU_RSV1_PART2_STR-T2306 sy-vline 
WA_PRU_RSV1_PART2_STR-T2413 sy-vline 
WA_PRU_RSV1_PART2_STR-T2414 sy-vline 
WA_PRU_RSV1_PART2_STR-T2415 sy-vline 
WA_PRU_RSV1_PART2_STR-T2416 sy-vline 
WA_PRU_RSV1_PART2_STR-T2423 sy-vline 
WA_PRU_RSV1_PART2_STR-T2424 sy-vline 
WA_PRU_RSV1_PART2_STR-T2425 sy-vline 
WA_PRU_RSV1_PART2_STR-T2426 sy-vline 
WA_PRU_RSV1_PART2_STR-T2433 sy-vline 
WA_PRU_RSV1_PART2_STR-T2434 sy-vline 
WA_PRU_RSV1_PART2_STR-T2435 sy-vline 
WA_PRU_RSV1_PART2_STR-T2436 sy-vline 
WA_PRU_RSV1_PART2_STR-T2443 sy-vline 
WA_PRU_RSV1_PART2_STR-T2444 sy-vline 
WA_PRU_RSV1_PART2_STR-T2445 sy-vline 
WA_PRU_RSV1_PART2_STR-T2446 sy-vline      INTO ld_text SEPARATED BY SPACE.

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