ABAP Select data from SAP table Q3743 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP Q3743 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 Q3743. 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 Q3743 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_Q3743 TYPE STANDARD TABLE OF Q3743,
      WA_Q3743 TYPE Q3743,
      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: <Q3743> TYPE Q3743.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_Q3743.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM Q3743
  INTO TABLE IT_Q3743.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM Q3743
*  INTO TABLE @DATA(IT_Q37432).
*--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_Q3743 INDEX 1 INTO DATA(WA_Q37432).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_Q3743 ASSIGNING <Q3743>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<Q3743>-WAERS = 1.
<Q3743>-OFFC1 = 1.
<Q3743>-OFLTX = 1.
<Q3743>-OFFGX = 1.
<Q3743>-CORES = 1.

ENDLOOP.

LOOP AT IT_Q3743 INTO WA_Q3743.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_Q3743-COREST, sy-vline,
  WA_Q3743-ISSDT, sy-vline,
  WA_Q3743-RESDT, sy-vline,
  WA_Q3743-A_REPTY1, sy-vline,
  WA_Q3743-TYPERT, sy-vline,
  WA_Q3743-A_OBJTY1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_Q3743 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_Q3743 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_Q3743 INTO WA_Q3743.


*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_Q3743_STR, 
WAERS TYPE STRING,
OFFC1 TYPE STRING,
OFLTX TYPE STRING,
OFFGX TYPE STRING,
CORES TYPE STRING,
COREST TYPE STRING,
ISSDT TYPE STRING,
RESDT TYPE STRING,
A_REPTY1 TYPE STRING,
TYPERT TYPE STRING,
A_OBJTY1 TYPE STRING,
A_PERNR1 TYPE STRING,
A_NAME1 TYPE STRING,
A_OUCD1 TYPE STRING,
A_OUTTX TYPE STRING,
F_OUCD1 TYPE STRING,
F_OUTTX TYPE STRING,
F_OUDE1 TYPE STRING,
F_OUDF1 TYPE STRING,
F_OUDR1 TYPE STRING,
F_OUMT1 TYPE STRING,
F_OUAT1 TYPE STRING,
A_OUDE1 TYPE STRING,
A_OUDF1 TYPE STRING,
A_OUDR1 TYPE STRING,
A_OUMT1 TYPE STRING,
A_OUAT1 TYPE STRING,
INBD1 TYPE STRING,
INED1 TYPE STRING,
INRE1 TYPE STRING,
SUBSA1 TYPE STRING,
INVNAME2 TYPE STRING,
INVNAME3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_Q3743_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_Q3743_STR-WAERS sy-vline 
WA_Q3743_STR-OFFC1 sy-vline 
WA_Q3743_STR-OFLTX sy-vline 
WA_Q3743_STR-OFFGX sy-vline 
WA_Q3743_STR-CORES sy-vline 
WA_Q3743_STR-COREST sy-vline 
WA_Q3743_STR-ISSDT sy-vline 
WA_Q3743_STR-RESDT sy-vline 
WA_Q3743_STR-A_REPTY1 sy-vline 
WA_Q3743_STR-TYPERT sy-vline 
WA_Q3743_STR-A_OBJTY1 sy-vline 
WA_Q3743_STR-A_PERNR1 sy-vline 
WA_Q3743_STR-A_NAME1 sy-vline 
WA_Q3743_STR-A_OUCD1 sy-vline 
WA_Q3743_STR-A_OUTTX sy-vline 
WA_Q3743_STR-F_OUCD1 sy-vline 
WA_Q3743_STR-F_OUTTX sy-vline 
WA_Q3743_STR-F_OUDE1 sy-vline 
WA_Q3743_STR-F_OUDF1 sy-vline 
WA_Q3743_STR-F_OUDR1 sy-vline 
WA_Q3743_STR-F_OUMT1 sy-vline 
WA_Q3743_STR-F_OUAT1 sy-vline 
WA_Q3743_STR-A_OUDE1 sy-vline 
WA_Q3743_STR-A_OUDF1 sy-vline 
WA_Q3743_STR-A_OUDR1 sy-vline 
WA_Q3743_STR-A_OUMT1 sy-vline 
WA_Q3743_STR-A_OUAT1 sy-vline 
WA_Q3743_STR-INBD1 sy-vline 
WA_Q3743_STR-INED1 sy-vline 
WA_Q3743_STR-INRE1 sy-vline 
WA_Q3743_STR-SUBSA1 sy-vline 
WA_Q3743_STR-INVNAME2 sy-vline 
WA_Q3743_STR-INVNAME3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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