ABAP Select data from SAP table /SAPAPO/SQBASE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/SQBASE 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 /SAPAPO/SQBASE. 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 /SAPAPO/SQBASE 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_/SAPAPO/SQBASE TYPE STANDARD TABLE OF /SAPAPO/SQBASE,
      WA_/SAPAPO/SQBASE TYPE /SAPAPO/SQBASE,
      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: </SAPAPO/SQBASE> TYPE /SAPAPO/SQBASE.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/SQBASE
  INTO TABLE IT_/SAPAPO/SQBASE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/SQBASE
*  INTO TABLE @DATA(IT_/SAPAPO/SQBASE2).
*--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_/SAPAPO/SQBASE INDEX 1 INTO DATA(WA_/SAPAPO/SQBASE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/SQBASE ASSIGNING </SAPAPO/SQBASE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/SQBASE>-XQLEVEL = 1.
</SAPAPO/SQBASE>-OBJ_TYPE = 1.
</SAPAPO/SQBASE>-OBJ = 1.
</SAPAPO/SQBASE>-LP_MATID = 1.
</SAPAPO/SQBASE>-LP_LOCID = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/SQBASE INTO WA_/SAPAPO/SQBASE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/SQBASE-LOCFR, sy-vline,
  WA_/SAPAPO/SQBASE-LOCTO, sy-vline,
  WA_/SAPAPO/SQBASE-MODEL, sy-vline,
  WA_/SAPAPO/SQBASE-POBJ_TYPE, sy-vline,
  WA_/SAPAPO/SQBASE-POBJ, sy-vline,
  WA_/SAPAPO/SQBASE-PLOCFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/SQBASE 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_/SAPAPO/SQBASE 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_/SAPAPO/SQBASE INTO WA_/SAPAPO/SQBASE.


*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 MATN1, internal->external for field PPE_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SQBASE-PPE_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SQBASE-PPE_MATNR.
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_/SAPAPO/SQBASE_STR, 
XQLEVEL TYPE STRING,
OBJ_TYPE TYPE STRING,
OBJ TYPE STRING,
LP_MATID TYPE STRING,
LP_LOCID TYPE STRING,
LOCFR TYPE STRING,
LOCTO TYPE STRING,
MODEL TYPE STRING,
POBJ_TYPE TYPE STRING,
POBJ TYPE STRING,
PLOCFR TYPE STRING,
PLOCTO TYPE STRING,
PMODEL TYPE STRING,
OCCUR TYPE STRING,
OCCURTO TYPE STRING,
OCCURFR TYPE STRING,
CRTYPE TYPE STRING,
ROBJ_TYPE TYPE STRING,
ROBJ TYPE STRING,
RLOCFR TYPE STRING,
RLOCTO TYPE STRING,
RMODEL TYPE STRING,
XOBJID TYPE STRING,
LVORM TYPE STRING,
NOT_IN_MODEL_FLG TYPE STRING,
EXPANDER TYPE STRING,
DDHANDLE TYPE STRING,
DESCRS TYPE STRING,
DESCRL TYPE STRING,
LP_LOCNO TYPE STRING,
LP_LO_DESCR TYPE STRING,
RES_LOCNO TYPE STRING,
RES_LOCDESCR TYPE STRING,
PPE_LOCNO TYPE STRING,
PPE_LOCDESCR TYPE STRING,
PPE_MATNR TYPE STRING,
PPE_MATDESCR TYPE STRING,
TR_LOCNOFR TYPE STRING,
TR_LOCFRDESCR TYPE STRING,
TR_LOCNOTO TYPE STRING,
TR_LOCTODESCR TYPE STRING,
DESCRS1 TYPE STRING,
DESCRL1 TYPE STRING,
DESCRS2 TYPE STRING,
DESCRL2 TYPE STRING,
SEQUENCE TYPE STRING,
GENERICFLD TYPE STRING,
RELATSHIP TYPE STRING,
RELLEVID TYPE STRING,
RELLEVNO TYPE STRING,
RELLEVT TYPE STRING,
POS TYPE STRING,
ALVTREEID TYPE STRING,
NUM1 TYPE STRING,
NUM2 TYPE STRING,
NUM3 TYPE STRING,
MOBJ_TARG_SYST TYPE STRING,
MOBJ_TYPE TYPE STRING,
MOBJ_REF TYPE STRING,
MOBJ_TEXT TYPE STRING,
MOBJ_GRP_ID TYPE STRING,
MOBJ_GRP_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/SQBASE_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_/SAPAPO/SQBASE_STR-XQLEVEL sy-vline 
WA_/SAPAPO/SQBASE_STR-OBJ_TYPE sy-vline 
WA_/SAPAPO/SQBASE_STR-OBJ sy-vline 
WA_/SAPAPO/SQBASE_STR-LP_MATID sy-vline 
WA_/SAPAPO/SQBASE_STR-LP_LOCID sy-vline 
WA_/SAPAPO/SQBASE_STR-LOCFR sy-vline 
WA_/SAPAPO/SQBASE_STR-LOCTO sy-vline 
WA_/SAPAPO/SQBASE_STR-MODEL sy-vline 
WA_/SAPAPO/SQBASE_STR-POBJ_TYPE sy-vline 
WA_/SAPAPO/SQBASE_STR-POBJ sy-vline 
WA_/SAPAPO/SQBASE_STR-PLOCFR sy-vline 
WA_/SAPAPO/SQBASE_STR-PLOCTO sy-vline 
WA_/SAPAPO/SQBASE_STR-PMODEL sy-vline 
WA_/SAPAPO/SQBASE_STR-OCCUR sy-vline 
WA_/SAPAPO/SQBASE_STR-OCCURTO sy-vline 
WA_/SAPAPO/SQBASE_STR-OCCURFR sy-vline 
WA_/SAPAPO/SQBASE_STR-CRTYPE sy-vline 
WA_/SAPAPO/SQBASE_STR-ROBJ_TYPE sy-vline 
WA_/SAPAPO/SQBASE_STR-ROBJ sy-vline 
WA_/SAPAPO/SQBASE_STR-RLOCFR sy-vline 
WA_/SAPAPO/SQBASE_STR-RLOCTO sy-vline 
WA_/SAPAPO/SQBASE_STR-RMODEL sy-vline 
WA_/SAPAPO/SQBASE_STR-XOBJID sy-vline 
WA_/SAPAPO/SQBASE_STR-LVORM sy-vline 
WA_/SAPAPO/SQBASE_STR-NOT_IN_MODEL_FLG sy-vline 
WA_/SAPAPO/SQBASE_STR-EXPANDER sy-vline 
WA_/SAPAPO/SQBASE_STR-DDHANDLE sy-vline 
WA_/SAPAPO/SQBASE_STR-DESCRS sy-vline 
WA_/SAPAPO/SQBASE_STR-DESCRL sy-vline 
WA_/SAPAPO/SQBASE_STR-LP_LOCNO sy-vline 
WA_/SAPAPO/SQBASE_STR-LP_LO_DESCR sy-vline 
WA_/SAPAPO/SQBASE_STR-RES_LOCNO sy-vline 
WA_/SAPAPO/SQBASE_STR-RES_LOCDESCR sy-vline 
WA_/SAPAPO/SQBASE_STR-PPE_LOCNO sy-vline 
WA_/SAPAPO/SQBASE_STR-PPE_LOCDESCR sy-vline 
WA_/SAPAPO/SQBASE_STR-PPE_MATNR sy-vline 
WA_/SAPAPO/SQBASE_STR-PPE_MATDESCR sy-vline 
WA_/SAPAPO/SQBASE_STR-TR_LOCNOFR sy-vline 
WA_/SAPAPO/SQBASE_STR-TR_LOCFRDESCR sy-vline 
WA_/SAPAPO/SQBASE_STR-TR_LOCNOTO sy-vline 
WA_/SAPAPO/SQBASE_STR-TR_LOCTODESCR sy-vline 
WA_/SAPAPO/SQBASE_STR-DESCRS1 sy-vline 
WA_/SAPAPO/SQBASE_STR-DESCRL1 sy-vline 
WA_/SAPAPO/SQBASE_STR-DESCRS2 sy-vline 
WA_/SAPAPO/SQBASE_STR-DESCRL2 sy-vline 
WA_/SAPAPO/SQBASE_STR-SEQUENCE sy-vline 
WA_/SAPAPO/SQBASE_STR-GENERICFLD sy-vline 
WA_/SAPAPO/SQBASE_STR-RELATSHIP sy-vline 
WA_/SAPAPO/SQBASE_STR-RELLEVID sy-vline 
WA_/SAPAPO/SQBASE_STR-RELLEVNO sy-vline 
WA_/SAPAPO/SQBASE_STR-RELLEVT sy-vline 
WA_/SAPAPO/SQBASE_STR-POS sy-vline 
WA_/SAPAPO/SQBASE_STR-ALVTREEID sy-vline 
WA_/SAPAPO/SQBASE_STR-NUM1 sy-vline 
WA_/SAPAPO/SQBASE_STR-NUM2 sy-vline 
WA_/SAPAPO/SQBASE_STR-NUM3 sy-vline 
WA_/SAPAPO/SQBASE_STR-MOBJ_TARG_SYST sy-vline 
WA_/SAPAPO/SQBASE_STR-MOBJ_TYPE sy-vline 
WA_/SAPAPO/SQBASE_STR-MOBJ_REF sy-vline 
WA_/SAPAPO/SQBASE_STR-MOBJ_TEXT sy-vline 
WA_/SAPAPO/SQBASE_STR-MOBJ_GRP_ID sy-vline 
WA_/SAPAPO/SQBASE_STR-MOBJ_GRP_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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