ABAP Select data from SAP table APO_BAPISCHEDULELINE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM APO_BAPISCHEDULELINE
*  INTO TABLE @DATA(IT_APO_BAPISCHEDULELINE2).
*--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_APO_BAPISCHEDULELINE INDEX 1 INTO DATA(WA_APO_BAPISCHEDULELINE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<APO_BAPISCHEDULELINE>-METHOD = 1.
<APO_BAPISCHEDULELINE>-ORDERID22 = 1.
<APO_BAPISCHEDULELINE>-ORDERID = 1.
<APO_BAPISCHEDULELINE>-PLANNING_TYPE = 1.
<APO_BAPISCHEDULELINE>-OM_ORDER_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_APO_BAPISCHEDULELINE-ORDER_STATUS, sy-vline,
  WA_APO_BAPISCHEDULELINE-ORDER_CONFIRM_STATUS, sy-vline,
  WA_APO_BAPISCHEDULELINE-SCHEDULING_LINE22, sy-vline,
  WA_APO_BAPISCHEDULELINE-SCHEDULING_LINE, sy-vline,
  WA_APO_BAPISCHEDULELINE-LINE_STATUS, sy-vline,
  WA_APO_BAPISCHEDULELINE-LINE_CONFIRM_STATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_APO_BAPISCHEDULELINE 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_APO_BAPISCHEDULELINE 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_APO_BAPISCHEDULELINE INTO WA_APO_BAPISCHEDULELINE.


*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 TSTPS, internal->external for field LINE_EXPL_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_APO_BAPISCHEDULELINE-LINE_EXPL_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APO_BAPISCHEDULELINE-LINE_EXPL_DATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field LINE_CREATION_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_APO_BAPISCHEDULELINE-LINE_CREATION_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APO_BAPISCHEDULELINE-LINE_CREATION_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field LINE_BUCKET_START
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_APO_BAPISCHEDULELINE-LINE_BUCKET_START
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APO_BAPISCHEDULELINE-LINE_BUCKET_START.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field LINE_BUCKET_END
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_APO_BAPISCHEDULELINE-LINE_BUCKET_END
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APO_BAPISCHEDULELINE-LINE_BUCKET_END.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field REQUESTED_TIME_START
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_APO_BAPISCHEDULELINE-REQUESTED_TIME_START
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APO_BAPISCHEDULELINE-REQUESTED_TIME_START.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field REQUESTED_TIME_END
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_APO_BAPISCHEDULELINE-REQUESTED_TIME_END
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APO_BAPISCHEDULELINE-REQUESTED_TIME_END.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field LINE_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_APO_BAPISCHEDULELINE-LINE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APO_BAPISCHEDULELINE-LINE_TIME.
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_APO_BAPISCHEDULELINE_STR, 
METHOD TYPE STRING,
ORDERID22 TYPE STRING,
ORDERID TYPE STRING,
PLANNING_TYPE TYPE STRING,
OM_ORDER_TYPE TYPE STRING,
ORDER_STATUS TYPE STRING,
ORDER_CONFIRM_STATUS TYPE STRING,
SCHEDULING_LINE22 TYPE STRING,
SCHEDULING_LINE TYPE STRING,
LINE_STATUS TYPE STRING,
LINE_CONFIRM_STATUS TYPE STRING,
LINE_CUOBJ TYPE STRING,
LINE_TECHS TYPE STRING,
LINE_EXPL_DATE TYPE STRING,
LINE_CREATION_TIME TYPE STRING,
LINE_PRIORITY TYPE STRING,
ACT_STATUS TYPE STRING,
LINE_BUCKET_START TYPE STRING,
LINE_BUCKET_END TYPE STRING,
REQUESTED_TIME_START TYPE STRING,
REQUESTED_TIME_END TYPE STRING,
LINE_TIME TYPE STRING,
PROC_TIME TYPE STRING,
POSITION_NO TYPE STRING,
LINE_NO TYPE STRING,
PEGAREA TYPE STRING,
QUANTITY TYPE STRING,
REAL_QUANTITY TYPE STRING,
ORIGINAL_QUANTITY TYPE STRING,
CONF_QUANTITY TYPE STRING,
CATEGORY TYPE STRING,
CATEGORY_TYPE TYPE STRING,
SUBLOC TYPE STRING,
VERSION TYPE STRING,
CHARID TYPE STRING,
IGNORE_PEGGING TYPE STRING,
EXT_FIXED TYPE STRING,
BOMID TYPE STRING,
HAS_CHARACTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_APO_BAPISCHEDULELINE_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_APO_BAPISCHEDULELINE_STR-METHOD sy-vline 
WA_APO_BAPISCHEDULELINE_STR-ORDERID22 sy-vline 
WA_APO_BAPISCHEDULELINE_STR-ORDERID sy-vline 
WA_APO_BAPISCHEDULELINE_STR-PLANNING_TYPE sy-vline 
WA_APO_BAPISCHEDULELINE_STR-OM_ORDER_TYPE sy-vline 
WA_APO_BAPISCHEDULELINE_STR-ORDER_STATUS sy-vline 
WA_APO_BAPISCHEDULELINE_STR-ORDER_CONFIRM_STATUS sy-vline 
WA_APO_BAPISCHEDULELINE_STR-SCHEDULING_LINE22 sy-vline 
WA_APO_BAPISCHEDULELINE_STR-SCHEDULING_LINE sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_STATUS sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_CONFIRM_STATUS sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_CUOBJ sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_TECHS sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_EXPL_DATE sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_CREATION_TIME sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_PRIORITY sy-vline 
WA_APO_BAPISCHEDULELINE_STR-ACT_STATUS sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_BUCKET_START sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_BUCKET_END sy-vline 
WA_APO_BAPISCHEDULELINE_STR-REQUESTED_TIME_START sy-vline 
WA_APO_BAPISCHEDULELINE_STR-REQUESTED_TIME_END sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_TIME sy-vline 
WA_APO_BAPISCHEDULELINE_STR-PROC_TIME sy-vline 
WA_APO_BAPISCHEDULELINE_STR-POSITION_NO sy-vline 
WA_APO_BAPISCHEDULELINE_STR-LINE_NO sy-vline 
WA_APO_BAPISCHEDULELINE_STR-PEGAREA sy-vline 
WA_APO_BAPISCHEDULELINE_STR-QUANTITY sy-vline 
WA_APO_BAPISCHEDULELINE_STR-REAL_QUANTITY sy-vline 
WA_APO_BAPISCHEDULELINE_STR-ORIGINAL_QUANTITY sy-vline 
WA_APO_BAPISCHEDULELINE_STR-CONF_QUANTITY sy-vline 
WA_APO_BAPISCHEDULELINE_STR-CATEGORY sy-vline 
WA_APO_BAPISCHEDULELINE_STR-CATEGORY_TYPE sy-vline 
WA_APO_BAPISCHEDULELINE_STR-SUBLOC sy-vline 
WA_APO_BAPISCHEDULELINE_STR-VERSION sy-vline 
WA_APO_BAPISCHEDULELINE_STR-CHARID sy-vline 
WA_APO_BAPISCHEDULELINE_STR-IGNORE_PEGGING sy-vline 
WA_APO_BAPISCHEDULELINE_STR-EXT_FIXED sy-vline 
WA_APO_BAPISCHEDULELINE_STR-BOMID sy-vline 
WA_APO_BAPISCHEDULELINE_STR-HAS_CHARACTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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