ABAP Select data from SAP table JITACT_DYNP1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP JITACT_DYNP1 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 JITACT_DYNP1. 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 JITACT_DYNP1 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_JITACT_DYNP1 TYPE STANDARD TABLE OF JITACT_DYNP1,
      WA_JITACT_DYNP1 TYPE JITACT_DYNP1,
      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: <JITACT_DYNP1> TYPE JITACT_DYNP1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_JITACT_DYNP1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM JITACT_DYNP1
  INTO TABLE IT_JITACT_DYNP1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JITACT_DYNP1
*  INTO TABLE @DATA(IT_JITACT_DYNP12).
*--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_JITACT_DYNP1 INDEX 1 INTO DATA(WA_JITACT_DYNP12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_JITACT_DYNP1 ASSIGNING <JITACT_DYNP1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JITACT_DYNP1>-AKTION = 1.
<JITACT_DYNP1>-AKTIONT = 1.
<JITACT_DYNP1>-KUNNR = 1.
<JITACT_DYNP1>-KNREF = 1.
<JITACT_DYNP1>-CUSTO = 1.

ENDLOOP.

LOOP AT IT_JITACT_DYNP1 INTO WA_JITACT_DYNP1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JITACT_DYNP1-POSTF, sy-vline,
  WA_JITACT_DYNP1-JQUAL, sy-vline,
  WA_JITACT_DYNP1-JOBJK, sy-vline,
  WA_JITACT_DYNP1-MDV01, sy-vline,
  WA_JITACT_DYNP1-INTST, sy-vline,
  WA_JITACT_DYNP1-SORTV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JITACT_DYNP1 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_JITACT_DYNP1 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_JITACT_DYNP1 INTO WA_JITACT_DYNP1.


*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 ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JITACT_DYNP1-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JITACT_DYNP1-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field LIUMF
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_JITACT_DYNP1-LIUMF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JITACT_DYNP1-LIUMF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field LIUMF_SEL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_JITACT_DYNP1-LIUMF_SEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JITACT_DYNP1-LIUMF_SEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR_DD
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_JITACT_DYNP1-MATNR_DD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JITACT_DYNP1-MATNR_DD.
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_JITACT_DYNP1_STR, 
AKTION TYPE STRING,
AKTIONT TYPE STRING,
KUNNR TYPE STRING,
KNREF TYPE STRING,
CUSTO TYPE STRING,
POSTF TYPE STRING,
JQUAL TYPE STRING,
JOBJK TYPE STRING,
MDV01 TYPE STRING,
INTST TYPE STRING,
SORTV TYPE STRING,
SELOB TYPE STRING,
NJINUM TYPE STRING,
NPRODN TYPE STRING,
NSEQNR TYPE STRING,
NPOSID TYPE STRING,
NGRPIN TYPE STRING,
ANLIE TYPE STRING,
LIUMF TYPE STRING,
LIUMF_SEL TYPE STRING,
MATNR_DD TYPE STRING,
DEVID_DD TYPE STRING,
OPT_DD TYPE STRING,
OLD_DD TYPE STRING,
JINUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JITACT_DYNP1_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_JITACT_DYNP1_STR-AKTION sy-vline 
WA_JITACT_DYNP1_STR-AKTIONT sy-vline 
WA_JITACT_DYNP1_STR-KUNNR sy-vline 
WA_JITACT_DYNP1_STR-KNREF sy-vline 
WA_JITACT_DYNP1_STR-CUSTO sy-vline 
WA_JITACT_DYNP1_STR-POSTF sy-vline 
WA_JITACT_DYNP1_STR-JQUAL sy-vline 
WA_JITACT_DYNP1_STR-JOBJK sy-vline 
WA_JITACT_DYNP1_STR-MDV01 sy-vline 
WA_JITACT_DYNP1_STR-INTST sy-vline 
WA_JITACT_DYNP1_STR-SORTV sy-vline 
WA_JITACT_DYNP1_STR-SELOB sy-vline 
WA_JITACT_DYNP1_STR-NJINUM sy-vline 
WA_JITACT_DYNP1_STR-NPRODN sy-vline 
WA_JITACT_DYNP1_STR-NSEQNR sy-vline 
WA_JITACT_DYNP1_STR-NPOSID sy-vline 
WA_JITACT_DYNP1_STR-NGRPIN sy-vline 
WA_JITACT_DYNP1_STR-ANLIE sy-vline 
WA_JITACT_DYNP1_STR-LIUMF sy-vline 
WA_JITACT_DYNP1_STR-LIUMF_SEL sy-vline 
WA_JITACT_DYNP1_STR-MATNR_DD sy-vline 
WA_JITACT_DYNP1_STR-DEVID_DD sy-vline 
WA_JITACT_DYNP1_STR-OPT_DD sy-vline 
WA_JITACT_DYNP1_STR-OLD_DD sy-vline 
WA_JITACT_DYNP1_STR-JINUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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