ABAP Select data from SAP table QAISE_O1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP QAISE_O1 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 QAISE_O1. 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 QAISE_O1 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_QAISE_O1 TYPE STANDARD TABLE OF QAISE_O1,
      WA_QAISE_O1 TYPE QAISE_O1,
      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: <QAISE_O1> TYPE QAISE_O1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_QAISE_O1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM QAISE_O1
  INTO TABLE IT_QAISE_O1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM QAISE_O1
*  INTO TABLE @DATA(IT_QAISE_O12).
*--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_QAISE_O1 INDEX 1 INTO DATA(WA_QAISE_O12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_QAISE_O1 ASSIGNING <QAISE_O1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<QAISE_O1>-SATZART = 1.
<QAISE_O1>-RUECKMELNR = 1.
<QAISE_O1>-PROBENR = 1.
<QAISE_O1>-STUECKNR = 1.
<QAISE_O1>-KZSERNR = 1.

ENDLOOP.

LOOP AT IT_QAISE_O1 INTO WA_QAISE_O1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_QAISE_O1-SERIALNR, sy-vline,
  WA_QAISE_O1-KZLWERT, sy-vline,
  WA_QAISE_O1-KZLPROBE, sy-vline,
  WA_QAISE_O1-KZABSCHL, sy-vline,
  WA_QAISE_O1-KZBEWEEXT, sy-vline,
  WA_QAISE_O1-ATTRIBUT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_QAISE_O1 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_QAISE_O1 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_QAISE_O1 INTO WA_QAISE_O1.


*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 SERIALNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_QAISE_O1-SERIALNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QAISE_O1-SERIALNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MASCHINE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_QAISE_O1-MASCHINE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QAISE_O1-MASCHINE.
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_QAISE_O1_STR, 
SATZART TYPE STRING,
RUECKMELNR TYPE STRING,
PROBENR TYPE STRING,
STUECKNR TYPE STRING,
KZSERNR TYPE STRING,
SERIALNR TYPE STRING,
KZLWERT TYPE STRING,
KZLPROBE TYPE STRING,
KZABSCHL TYPE STRING,
KZBEWEEXT TYPE STRING,
ATTRIBUT TYPE STRING,
MESSWERT TYPE STRING,
GRUPPE1 TYPE STRING,
CODE1 TYPE STRING,
GRUPPE2 TYPE STRING,
CODE2 TYPE STRING,
GRUPPE3 TYPE STRING,
CODE3 TYPE STRING,
GRUPPE4 TYPE STRING,
CODE4 TYPE STRING,
GRUPPE5 TYPE STRING,
CODE5 TYPE STRING,
BEWERTUNG TYPE STRING,
FEHLKLAS TYPE STRING,
ANZFEHLER TYPE STRING,
PRUEFDATUV TYPE STRING,
PRUEFZEITV TYPE STRING,
PRUEFER TYPE STRING,
MASCHINE TYPE STRING,
POSITION TYPE STRING,
PRUEFBEMKT TYPE STRING,
MBEWERTGPR TYPE STRING,
FEHLKLASPR TYPE STRING,
MBEWERTGMK TYPE STRING,
FEHLKLASMK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_QAISE_O1_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_QAISE_O1_STR-SATZART sy-vline 
WA_QAISE_O1_STR-RUECKMELNR sy-vline 
WA_QAISE_O1_STR-PROBENR sy-vline 
WA_QAISE_O1_STR-STUECKNR sy-vline 
WA_QAISE_O1_STR-KZSERNR sy-vline 
WA_QAISE_O1_STR-SERIALNR sy-vline 
WA_QAISE_O1_STR-KZLWERT sy-vline 
WA_QAISE_O1_STR-KZLPROBE sy-vline 
WA_QAISE_O1_STR-KZABSCHL sy-vline 
WA_QAISE_O1_STR-KZBEWEEXT sy-vline 
WA_QAISE_O1_STR-ATTRIBUT sy-vline 
WA_QAISE_O1_STR-MESSWERT sy-vline 
WA_QAISE_O1_STR-GRUPPE1 sy-vline 
WA_QAISE_O1_STR-CODE1 sy-vline 
WA_QAISE_O1_STR-GRUPPE2 sy-vline 
WA_QAISE_O1_STR-CODE2 sy-vline 
WA_QAISE_O1_STR-GRUPPE3 sy-vline 
WA_QAISE_O1_STR-CODE3 sy-vline 
WA_QAISE_O1_STR-GRUPPE4 sy-vline 
WA_QAISE_O1_STR-CODE4 sy-vline 
WA_QAISE_O1_STR-GRUPPE5 sy-vline 
WA_QAISE_O1_STR-CODE5 sy-vline 
WA_QAISE_O1_STR-BEWERTUNG sy-vline 
WA_QAISE_O1_STR-FEHLKLAS sy-vline 
WA_QAISE_O1_STR-ANZFEHLER sy-vline 
WA_QAISE_O1_STR-PRUEFDATUV sy-vline 
WA_QAISE_O1_STR-PRUEFZEITV sy-vline 
WA_QAISE_O1_STR-PRUEFER sy-vline 
WA_QAISE_O1_STR-MASCHINE sy-vline 
WA_QAISE_O1_STR-POSITION sy-vline 
WA_QAISE_O1_STR-PRUEFBEMKT sy-vline 
WA_QAISE_O1_STR-MBEWERTGPR sy-vline 
WA_QAISE_O1_STR-FEHLKLASPR sy-vline 
WA_QAISE_O1_STR-MBEWERTGMK sy-vline 
WA_QAISE_O1_STR-FEHLKLASMK sy-vline      INTO ld_text SEPARATED BY SPACE.

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