ABAP Select data from SAP table BIZC_TEMPLATE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BIZC_TEMPLATE
*  INTO TABLE @DATA(IT_BIZC_TEMPLATE2).
*--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_BIZC_TEMPLATE INDEX 1 INTO DATA(WA_BIZC_TEMPLATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BIZC_TEMPLATE>-CLIENT = 1.
<BIZC_TEMPLATE>-TEMPLNAME = 1.
<BIZC_TEMPLATE>-TEMPL_DOCID = 1.
<BIZC_TEMPLATE>-PROVIDER = 1.
<BIZC_TEMPLATE>-CREAT_AT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BIZC_TEMPLATE-CREAT_BY, sy-vline,
  WA_BIZC_TEMPLATE-CHANG_AT, sy-vline,
  WA_BIZC_TEMPLATE-CHANG_BY, sy-vline,
  WA_BIZC_TEMPLATE-TRAFO_NAME, sy-vline,
  WA_BIZC_TEMPLATE-TRAFO_DOCID, sy-vline,
  WA_BIZC_TEMPLATE-DEF_TEMPL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BIZC_TEMPLATE 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_BIZC_TEMPLATE 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_BIZC_TEMPLATE INTO WA_BIZC_TEMPLATE.


*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_BIZC_TEMPLATE_STR, 
CLIENT TYPE STRING,
TEMPLNAME TYPE STRING,
TEMPL_DOCID TYPE STRING,
PROVIDER TYPE STRING,
CREAT_AT TYPE STRING,
CREAT_BY TYPE STRING,
CHANG_AT TYPE STRING,
CHANG_BY TYPE STRING,
TRAFO_NAME TYPE STRING,
TRAFO_DOCID TYPE STRING,
DEF_TEMPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BIZC_TEMPLATE_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_BIZC_TEMPLATE_STR-CLIENT sy-vline 
WA_BIZC_TEMPLATE_STR-TEMPLNAME sy-vline 
WA_BIZC_TEMPLATE_STR-TEMPL_DOCID sy-vline 
WA_BIZC_TEMPLATE_STR-PROVIDER sy-vline 
WA_BIZC_TEMPLATE_STR-CREAT_AT sy-vline 
WA_BIZC_TEMPLATE_STR-CREAT_BY sy-vline 
WA_BIZC_TEMPLATE_STR-CHANG_AT sy-vline 
WA_BIZC_TEMPLATE_STR-CHANG_BY sy-vline 
WA_BIZC_TEMPLATE_STR-TRAFO_NAME sy-vline 
WA_BIZC_TEMPLATE_STR-TRAFO_DOCID sy-vline 
WA_BIZC_TEMPLATE_STR-DEF_TEMPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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