ABAP Select data from SAP table ISJPINVHEADDSP_L into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISJPINVHEADDSP_L
*  INTO TABLE @DATA(IT_ISJPINVHEADDSP_L2).
*--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_ISJPINVHEADDSP_L INDEX 1 INTO DATA(WA_ISJPINVHEADDSP_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISJPINVHEADDSP_L>-MANDT = 1.
<ISJPINVHEADDSP_L>-BUKRS = 1.
<ISJPINVHEADDSP_L>-INVSUMNR = 1.
<ISJPINVHEADDSP_L>-INVSUMTYPE = 1.
<ISJPINVHEADDSP_L>-INVSUMPAYER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISJPINVHEADDSP_L-PIGRUNIT, sy-vline,
  WA_ISJPINVHEADDSP_L-WAERS, sy-vline,
  WA_ISJPINVHEADDSP_L-INVSUMRECIP, sy-vline,
  WA_ISJPINVHEADDSP_L-GRUNIT, sy-vline,
  WA_ISJPINVHEADDSP_L-CLOSDATE, sy-vline,
  WA_ISJPINVHEADDSP_L-NETDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISJPINVHEADDSP_L 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_ISJPINVHEADDSP_L 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_ISJPINVHEADDSP_L INTO WA_ISJPINVHEADDSP_L.


*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 INVSUMPAYER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISJPINVHEADDSP_L-INVSUMPAYER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPINVHEADDSP_L-INVSUMPAYER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AC152, internal->external for field NETAMNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ISJPINVHEADDSP_L-NETAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPINVHEADDSP_L-NETAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field TAXAMNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ISJPINVHEADDSP_L-TAXAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPINVHEADDSP_L-TAXAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PAIDAMNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ISJPINVHEADDSP_L-PAIDAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPINVHEADDSP_L-PAIDAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PREVINVAMNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ISJPINVHEADDSP_L-PREVINVAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPINVHEADDSP_L-PREVINVAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field CARFWDAMNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ISJPINVHEADDSP_L-CARFWDAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPINVHEADDSP_L-CARFWDAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field OPENAMNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ISJPINVHEADDSP_L-OPENAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPINVHEADDSP_L-OPENAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PSZAH
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ISJPINVHEADDSP_L-PSZAH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPINVHEADDSP_L-PSZAH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ISJPINVHEADDSP_L-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPINVHEADDSP_L-WRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field OPAMT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ISJPINVHEADDSP_L-OPAMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJPINVHEADDSP_L-OPAMT.
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_ISJPINVHEADDSP_L_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
INVSUMNR TYPE STRING,
INVSUMTYPE TYPE STRING,
INVSUMPAYER TYPE STRING,
PIGRUNIT TYPE STRING,
WAERS TYPE STRING,
INVSUMRECIP TYPE STRING,
GRUNIT TYPE STRING,
CLOSDATE TYPE STRING,
NETDT TYPE STRING,
PINR TYPE STRING,
NETAMNT TYPE STRING,
TAXAMNT TYPE STRING,
PAIDAMNT TYPE STRING,
PREVINVAMNT TYPE STRING,
CARFWDAMNT TYPE STRING,
PREVCLOSDATE TYPE STRING,
PREVNETDT TYPE STRING,
PREVINVSUMNR TYPE STRING,
NEXTINVSUMNR TYPE STRING,
OPENAMNT TYPE STRING,
CLEARDATE TYPE STRING,
CANCELLED TYPE STRING,
CREAUSER TYPE STRING,
CREADATE TYPE STRING,
CREATIME TYPE STRING,
CHANUSER TYPE STRING,
CHANDATE TYPE STRING,
CHANTIME TYPE STRING,
NROPENITEMS TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
VIRTACCTNR TYPE STRING,
PSZAH TYPE STRING,
WRBTR TYPE STRING,
OPAMT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISJPINVHEADDSP_L_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_ISJPINVHEADDSP_L_STR-MANDT sy-vline 
WA_ISJPINVHEADDSP_L_STR-BUKRS sy-vline 
WA_ISJPINVHEADDSP_L_STR-INVSUMNR sy-vline 
WA_ISJPINVHEADDSP_L_STR-INVSUMTYPE sy-vline 
WA_ISJPINVHEADDSP_L_STR-INVSUMPAYER sy-vline 
WA_ISJPINVHEADDSP_L_STR-PIGRUNIT sy-vline 
WA_ISJPINVHEADDSP_L_STR-WAERS sy-vline 
WA_ISJPINVHEADDSP_L_STR-INVSUMRECIP sy-vline 
WA_ISJPINVHEADDSP_L_STR-GRUNIT sy-vline 
WA_ISJPINVHEADDSP_L_STR-CLOSDATE sy-vline 
WA_ISJPINVHEADDSP_L_STR-NETDT sy-vline 
WA_ISJPINVHEADDSP_L_STR-PINR sy-vline 
WA_ISJPINVHEADDSP_L_STR-NETAMNT sy-vline 
WA_ISJPINVHEADDSP_L_STR-TAXAMNT sy-vline 
WA_ISJPINVHEADDSP_L_STR-PAIDAMNT sy-vline 
WA_ISJPINVHEADDSP_L_STR-PREVINVAMNT sy-vline 
WA_ISJPINVHEADDSP_L_STR-CARFWDAMNT sy-vline 
WA_ISJPINVHEADDSP_L_STR-PREVCLOSDATE sy-vline 
WA_ISJPINVHEADDSP_L_STR-PREVNETDT sy-vline 
WA_ISJPINVHEADDSP_L_STR-PREVINVSUMNR sy-vline 
WA_ISJPINVHEADDSP_L_STR-NEXTINVSUMNR sy-vline 
WA_ISJPINVHEADDSP_L_STR-OPENAMNT sy-vline 
WA_ISJPINVHEADDSP_L_STR-CLEARDATE sy-vline 
WA_ISJPINVHEADDSP_L_STR-CANCELLED sy-vline 
WA_ISJPINVHEADDSP_L_STR-CREAUSER sy-vline 
WA_ISJPINVHEADDSP_L_STR-CREADATE sy-vline 
WA_ISJPINVHEADDSP_L_STR-CREATIME sy-vline 
WA_ISJPINVHEADDSP_L_STR-CHANUSER sy-vline 
WA_ISJPINVHEADDSP_L_STR-CHANDATE sy-vline 
WA_ISJPINVHEADDSP_L_STR-CHANTIME sy-vline 
WA_ISJPINVHEADDSP_L_STR-NROPENITEMS sy-vline 
WA_ISJPINVHEADDSP_L_STR-BANKS sy-vline 
WA_ISJPINVHEADDSP_L_STR-BANKL sy-vline 
WA_ISJPINVHEADDSP_L_STR-VIRTACCTNR sy-vline 
WA_ISJPINVHEADDSP_L_STR-PSZAH sy-vline 
WA_ISJPINVHEADDSP_L_STR-WRBTR sy-vline 
WA_ISJPINVHEADDSP_L_STR-OPAMT sy-vline      INTO ld_text SEPARATED BY SPACE.

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