ABAP Select data from SAP table OILACDOCA into internal table

Get Example source ABAP code based on a different SAP table
  

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OILACDOCA
*  INTO TABLE @DATA(IT_OILACDOCA2).
*--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_OILACDOCA INDEX 1 INTO DATA(WA_OILACDOCA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OILACDOCA ASSIGNING <OILACDOCA>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<OILACDOCA>-OIHANTYP = 1.
<OILACDOCA>-OITAXGRP = 1.
<OILACDOCA>-OIEXGNUM = 1.
<OILACDOCA>-OIEXGTYP = 1.
<OILACDOCA>-OITAXQT = 1.
ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OILACDOCA-OIUOMQT, sy-vline,
WA_OILACDOCA-OITAXVAL, sy-vline,
WA_OILACDOCA-OIFULTAX, sy-vline,
WA_OILACDOCA-OITXVAL0, sy-vline,
WA_OILACDOCA-OITXVAL1, sy-vline,
WA_OILACDOCA-OITXVAL2, sy-vline.
ENDLOOP. *Add any further fields from structure WA_OILACDOCA 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_OILACDOCA 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_OILACDOCA INTO WA_OILACDOCA. *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 OIEXGNUM CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_OILACDOCA-OIEXGNUM IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_OILACDOCA-OIEXGNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field OIUOMQT CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT' EXPORTING input = WA_OILACDOCA-OIUOMQT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_OILACDOCA-OIUOMQT.
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_OILACDOCA_STR,
OIHANTYP TYPE STRING,
OITAXGRP TYPE STRING,
OIEXGNUM TYPE STRING,
OIEXGTYP TYPE STRING,
OITAXQT TYPE STRING,
OIUOMQT TYPE STRING,
OITAXVAL TYPE STRING,
OIFULTAX TYPE STRING,
OITXVAL0 TYPE STRING,
OITXVAL1 TYPE STRING,
OITXVAL2 TYPE STRING,
OITXVAL3 TYPE STRING,
OITXVAL4 TYPE STRING,
OITXVAL5 TYPE STRING,
OITXVAL6 TYPE STRING,END OF T_EKKO_STR. DATA: WA_OILACDOCA_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_OILACDOCA_STR-OIHANTYP sy-vline
WA_OILACDOCA_STR-OITAXGRP sy-vline
WA_OILACDOCA_STR-OIEXGNUM sy-vline
WA_OILACDOCA_STR-OIEXGTYP sy-vline
WA_OILACDOCA_STR-OITAXQT sy-vline
WA_OILACDOCA_STR-OIUOMQT sy-vline
WA_OILACDOCA_STR-OITAXVAL sy-vline
WA_OILACDOCA_STR-OIFULTAX sy-vline
WA_OILACDOCA_STR-OITXVAL0 sy-vline
WA_OILACDOCA_STR-OITXVAL1 sy-vline
WA_OILACDOCA_STR-OITXVAL2 sy-vline
WA_OILACDOCA_STR-OITXVAL3 sy-vline
WA_OILACDOCA_STR-OITXVAL4 sy-vline
WA_OILACDOCA_STR-OITXVAL5 sy-vline
WA_OILACDOCA_STR-OITXVAL6 sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.