ABAP Select data from SAP table TYP_SEQS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TYP_SEQS
*  INTO TABLE @DATA(IT_TYP_SEQS2).
*--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_TYP_SEQS INDEX 1 INTO DATA(WA_TYP_SEQS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TYP_SEQS>-AUFPL = 1.
<TYP_SEQS>-APLZL = 1.
<TYP_SEQS>-SEQCAT = 1.
<TYP_SEQS>-PAR_SEQ = 1.
<TYP_SEQS>-SPL_APLZL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TYP_SEQS-SPL_OPR, sy-vline,
  WA_TYP_SEQS-SPL_OBJNR, sy-vline,
  WA_TYP_SEQS-FLGAT, sy-vline,
  WA_TYP_SEQS-PLNTY, sy-vline,
  WA_TYP_SEQS-PLNNR, sy-vline,
  WA_TYP_SEQS-PLNFL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TYP_SEQS 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_TYP_SEQS 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_TYP_SEQS INTO WA_TYP_SEQS.


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

*Conversion exit NUMCV, internal->external for field SPL_OPR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_TYP_SEQS-SPL_OPR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYP_SEQS-SPL_OPR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit NUMCV, internal->external for field VORNR1
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_TYP_SEQS-VORNR1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYP_SEQS-VORNR1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR2
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_TYP_SEQS-VORNR2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYP_SEQS-VORNR2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TYP_SEQS-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TYP_SEQS-AUFNR.
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_TYP_SEQS_STR, 
AUFPL TYPE STRING,
APLZL TYPE STRING,
SEQCAT TYPE STRING,
PAR_SEQ TYPE STRING,
SPL_APLZL TYPE STRING,
SPL_OPR TYPE STRING,
SPL_OBJNR TYPE STRING,
FLGAT TYPE STRING,
PLNTY TYPE STRING,
PLNNR TYPE STRING,
PLNFL TYPE STRING,
LTXA1 TYPE STRING,
OBJNR TYPE STRING,
BKNT1 TYPE STRING,
VORNR1 TYPE STRING,
VORNR2 TYPE STRING,
AUFNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TYP_SEQS_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_TYP_SEQS_STR-AUFPL sy-vline 
WA_TYP_SEQS_STR-APLZL sy-vline 
WA_TYP_SEQS_STR-SEQCAT sy-vline 
WA_TYP_SEQS_STR-PAR_SEQ sy-vline 
WA_TYP_SEQS_STR-SPL_APLZL sy-vline 
WA_TYP_SEQS_STR-SPL_OPR sy-vline 
WA_TYP_SEQS_STR-SPL_OBJNR sy-vline 
WA_TYP_SEQS_STR-FLGAT sy-vline 
WA_TYP_SEQS_STR-PLNTY sy-vline 
WA_TYP_SEQS_STR-PLNNR sy-vline 
WA_TYP_SEQS_STR-PLNFL sy-vline 
WA_TYP_SEQS_STR-LTXA1 sy-vline 
WA_TYP_SEQS_STR-OBJNR sy-vline 
WA_TYP_SEQS_STR-BKNT1 sy-vline 
WA_TYP_SEQS_STR-VORNR1 sy-vline 
WA_TYP_SEQS_STR-VORNR2 sy-vline 
WA_TYP_SEQS_STR-AUFNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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