ABAP Select data from SAP table ISJP_S_INVCSMMRYHEAD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISJP_S_INVCSMMRYHEAD
*  INTO TABLE @DATA(IT_ISJP_S_INVCSMMRYHEAD2).
*--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_ISJP_S_INVCSMMRYHEAD INDEX 1 INTO DATA(WA_ISJP_S_INVCSMMRYHEAD2).


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

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

ENDLOOP.

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

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


*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_ISJP_S_INVCSMMRYHEAD-INVSUMPAYER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_INVCSMMRYHEAD-INVSUMPAYER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

*Conversion exit AC152, internal->external for field INVCSMMRYPAIDAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ISJP_S_INVCSMMRYHEAD-INVCSMMRYPAIDAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISJP_S_INVCSMMRYHEAD-INVCSMMRYPAIDAMOUNT.
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_ISJP_S_INVCSMMRYHEAD_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,
CREASTAT TYPE STRING,
CANCSTAT TYPE STRING,
UPDSTAT TYPE STRING,
TOTALBILLEDAMNT TYPE STRING,
EXCLUDED_PAYER TYPE STRING,
INVCSMMRYPAYERNAME TYPE STRING,
COMPANYCODENAME TYPE STRING,
INVCSMMRYRECIPIENTNAME TYPE STRING,
INVCSMMRYGROSSAMOUNT TYPE STRING,
INVCSMMRYPYRINVCSTATUS TYPE STRING,
INVCSMMRYPYRINVCSTATUSTX TYPE STRING,
INVCSMMRYPAIDAMOUNT TYPE STRING,
INVCSMMRYMONTHLYINVC TYPE STRING,
INVCSMMRYPINRNR TYPE STRING,
INVCSMMRYMINRNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISJP_S_INVCSMMRYHEAD_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_ISJP_S_INVCSMMRYHEAD_STR-MANDT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-BUKRS sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVSUMNR sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVSUMTYPE sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVSUMPAYER sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-PIGRUNIT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-WAERS sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVSUMRECIP sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-GRUNIT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CLOSDATE sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-NETDT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-PINR sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-NETAMNT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-TAXAMNT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-PAIDAMNT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-PREVINVAMNT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CARFWDAMNT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-PREVCLOSDATE sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-PREVNETDT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-PREVINVSUMNR sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-NEXTINVSUMNR sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-OPENAMNT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CLEARDATE sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CANCELLED sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CREAUSER sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CREADATE sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CREATIME sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CHANUSER sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CHANDATE sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CHANTIME sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-NROPENITEMS sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-BANKS sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-BANKL sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-VIRTACCTNR sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CREASTAT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-CANCSTAT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-UPDSTAT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-TOTALBILLEDAMNT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-EXCLUDED_PAYER sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVCSMMRYPAYERNAME sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-COMPANYCODENAME sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVCSMMRYRECIPIENTNAME sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVCSMMRYGROSSAMOUNT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVCSMMRYPYRINVCSTATUS sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVCSMMRYPYRINVCSTATUSTX sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVCSMMRYPAIDAMOUNT sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVCSMMRYMONTHLYINVC sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVCSMMRYPINRNR sy-vline 
WA_ISJP_S_INVCSMMRYHEAD_STR-INVCSMMRYMINRNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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