ABAP Select data from SAP table P1205 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P1205 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 P1205. 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 P1205 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_P1205 TYPE STANDARD TABLE OF P1205,
      WA_P1205 TYPE P1205,
      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: <P1205> TYPE P1205.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P1205.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P1205
  INTO TABLE IT_P1205.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P1205
*  INTO TABLE @DATA(IT_P12052).
*--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_P1205 INDEX 1 INTO DATA(WA_P12052).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P1205 ASSIGNING <P1205>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P1205>-MANDT = 1.
<P1205>-PLVAR = 1.
<P1205>-OTYPE = 1.
<P1205>-OBJID = 1.
<P1205>-INFTY = 1.

ENDLOOP.

LOOP AT IT_P1205 INTO WA_P1205.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P1205-SUBTY, sy-vline,
  WA_P1205-ISTAT, sy-vline,
  WA_P1205-PRIOX, sy-vline,
  WA_P1205-BEGDA, sy-vline,
  WA_P1205-ENDDA, sy-vline,
  WA_P1205-VARYF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P1205 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_P1205 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_P1205 INTO WA_P1205.


*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_P1205_STR, 
MANDT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
ISTAT TYPE STRING,
PRIOX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
VARYF TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
REASN TYPE STRING,
HISTO TYPE STRING,
ITXNR TYPE STRING,
WFD_ID TYPE STRING,
VERSION TYPE STRING,
ACTIVE TYPE STRING,
ACTIV_DATE TYPE STRING,
ACTIV_TIME TYPE STRING,
SAPRL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P1205_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_P1205_STR-MANDT sy-vline 
WA_P1205_STR-PLVAR sy-vline 
WA_P1205_STR-OTYPE sy-vline 
WA_P1205_STR-OBJID sy-vline 
WA_P1205_STR-INFTY sy-vline 
WA_P1205_STR-SUBTY sy-vline 
WA_P1205_STR-ISTAT sy-vline 
WA_P1205_STR-PRIOX sy-vline 
WA_P1205_STR-BEGDA sy-vline 
WA_P1205_STR-ENDDA sy-vline 
WA_P1205_STR-VARYF sy-vline 
WA_P1205_STR-SEQNR sy-vline 
WA_P1205_STR-AEDTM sy-vline 
WA_P1205_STR-UNAME sy-vline 
WA_P1205_STR-REASN sy-vline 
WA_P1205_STR-HISTO sy-vline 
WA_P1205_STR-ITXNR sy-vline 
WA_P1205_STR-WFD_ID sy-vline 
WA_P1205_STR-VERSION sy-vline 
WA_P1205_STR-ACTIVE sy-vline 
WA_P1205_STR-ACTIV_DATE sy-vline 
WA_P1205_STR-ACTIV_TIME sy-vline 
WA_P1205_STR-SAPRL sy-vline      INTO ld_text SEPARATED BY SPACE.

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