ABAP Select data from SAP table P2RI_CIG_ARCH into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P2RI_CIG_ARCH 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 P2RI_CIG_ARCH. 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 P2RI_CIG_ARCH 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_P2RI_CIG_ARCH TYPE STANDARD TABLE OF P2RI_CIG_ARCH,
      WA_P2RI_CIG_ARCH TYPE P2RI_CIG_ARCH,
      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: <P2RI_CIG_ARCH> TYPE P2RI_CIG_ARCH.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P2RI_CIG_ARCH.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P2RI_CIG_ARCH
  INTO TABLE IT_P2RI_CIG_ARCH.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P2RI_CIG_ARCH
*  INTO TABLE @DATA(IT_P2RI_CIG_ARCH2).
*--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_P2RI_CIG_ARCH INDEX 1 INTO DATA(WA_P2RI_CIG_ARCH2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P2RI_CIG_ARCH ASSIGNING <P2RI_CIG_ARCH>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P2RI_CIG_ARCH>-MANDT = 1.
<P2RI_CIG_ARCH>-DCT_PERNR = 1.
<P2RI_CIG_ARCH>-DCT_SEQNR = 1.
<P2RI_CIG_ARCH>-DCT_ROWID = 1.
<P2RI_CIG_ARCH>-MOCIG = 1.

ENDLOOP.

LOOP AT IT_P2RI_CIG_ARCH INTO WA_P2RI_CIG_ARCH.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P2RI_CIG_ARCH-CDCIG, sy-vline,
  WA_P2RI_CIG_ARCH-PROVN, sy-vline,
  WA_P2RI_CIG_ARCH-SETTA, sy-vline,
  WA_P2RI_CIG_ARCH-TOTDA, sy-vline,
  WA_P2RI_CIG_ARCH-TOTAU, sy-vline,
  WA_P2RI_CIG_ARCH-TOTNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P2RI_CIG_ARCH 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_P2RI_CIG_ARCH 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_P2RI_CIG_ARCH INTO WA_P2RI_CIG_ARCH.


*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_P2RI_CIG_ARCH_STR, 
MANDT TYPE STRING,
DCT_PERNR TYPE STRING,
DCT_SEQNR TYPE STRING,
DCT_ROWID TYPE STRING,
MOCIG TYPE STRING,
CDCIG TYPE STRING,
PROVN TYPE STRING,
SETTA TYPE STRING,
TOTDA TYPE STRING,
TOTAU TYPE STRING,
TOTNO TYPE STRING,
AUCIG TYPE STRING,
QUOTA TYPE STRING,
HHTEO TYPE STRING,
HHCIG TYPE STRING,
ORTEO TYPE STRING,
OREFF TYPE STRING,
GGPRO TYPE STRING,
HSET1 TYPE STRING,
HSET2 TYPE STRING,
HSET3 TYPE STRING,
HSET4 TYPE STRING,
HSET5 TYPE STRING,
HSEA1 TYPE STRING,
HSEA2 TYPE STRING,
HSEA3 TYPE STRING,
HSEA4 TYPE STRING,
HSEA5 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P2RI_CIG_ARCH_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_P2RI_CIG_ARCH_STR-MANDT sy-vline 
WA_P2RI_CIG_ARCH_STR-DCT_PERNR sy-vline 
WA_P2RI_CIG_ARCH_STR-DCT_SEQNR sy-vline 
WA_P2RI_CIG_ARCH_STR-DCT_ROWID sy-vline 
WA_P2RI_CIG_ARCH_STR-MOCIG sy-vline 
WA_P2RI_CIG_ARCH_STR-CDCIG sy-vline 
WA_P2RI_CIG_ARCH_STR-PROVN sy-vline 
WA_P2RI_CIG_ARCH_STR-SETTA sy-vline 
WA_P2RI_CIG_ARCH_STR-TOTDA sy-vline 
WA_P2RI_CIG_ARCH_STR-TOTAU sy-vline 
WA_P2RI_CIG_ARCH_STR-TOTNO sy-vline 
WA_P2RI_CIG_ARCH_STR-AUCIG sy-vline 
WA_P2RI_CIG_ARCH_STR-QUOTA sy-vline 
WA_P2RI_CIG_ARCH_STR-HHTEO sy-vline 
WA_P2RI_CIG_ARCH_STR-HHCIG sy-vline 
WA_P2RI_CIG_ARCH_STR-ORTEO sy-vline 
WA_P2RI_CIG_ARCH_STR-OREFF sy-vline 
WA_P2RI_CIG_ARCH_STR-GGPRO sy-vline 
WA_P2RI_CIG_ARCH_STR-HSET1 sy-vline 
WA_P2RI_CIG_ARCH_STR-HSET2 sy-vline 
WA_P2RI_CIG_ARCH_STR-HSET3 sy-vline 
WA_P2RI_CIG_ARCH_STR-HSET4 sy-vline 
WA_P2RI_CIG_ARCH_STR-HSET5 sy-vline 
WA_P2RI_CIG_ARCH_STR-HSEA1 sy-vline 
WA_P2RI_CIG_ARCH_STR-HSEA2 sy-vline 
WA_P2RI_CIG_ARCH_STR-HSEA3 sy-vline 
WA_P2RI_CIG_ARCH_STR-HSEA4 sy-vline 
WA_P2RI_CIG_ARCH_STR-HSEA5 sy-vline      INTO ld_text SEPARATED BY SPACE.

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