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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/ACT_TAB_TMP
*  INTO TABLE @DATA(IT_/SAPAPO/ACT_TAB_TMP2).
*--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/ACT_TAB_TMP INDEX 1 INTO DATA(WA_/SAPAPO/ACT_TAB_TMP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/ACT_TAB_TMP>-ORDERID = 1.
</SAPAPO/ACT_TAB_TMP>-ACTID = 1.
</SAPAPO/ACT_TAB_TMP>-OPRCOUNTER = 1.
</SAPAPO/ACT_TAB_TMP>-GROUP_OPRCOUNTER = 1.
</SAPAPO/ACT_TAB_TMP>-OPR_LEVEL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/ACT_TAB_TMP-MAX_WORK_AFTER_SHIFT, sy-vline,
  WA_/SAPAPO/ACT_TAB_TMP-GROUP_ID, sy-vline,
  WA_/SAPAPO/ACT_TAB_TMP-ITEM_ID, sy-vline,
  WA_/SAPAPO/ACT_TAB_TMP-IS_SETUP_ACT, sy-vline,
  WA_/SAPAPO/ACT_TAB_TMP-SYNC_CONTROL, sy-vline,
  WA_/SAPAPO/ACT_TAB_TMP-ACTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/ACT_TAB_TMP 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/ACT_TAB_TMP 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/ACT_TAB_TMP INTO WA_/SAPAPO/ACT_TAB_TMP.


*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 STARTTI
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/ACT_TAB_TMP-STARTTI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/ACT_TAB_TMP-STARTTI.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSTPS, internal->external for field CONFTI
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/ACT_TAB_TMP-CONFTI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/ACT_TAB_TMP-CONFTI.
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/ACT_TAB_TMP_STR, 
ORDERID TYPE STRING,
ACTID TYPE STRING,
OPRCOUNTER TYPE STRING,
GROUP_OPRCOUNTER TYPE STRING,
OPR_LEVEL TYPE STRING,
MAX_WORK_AFTER_SHIFT TYPE STRING,
GROUP_ID TYPE STRING,
ITEM_ID TYPE STRING,
IS_SETUP_ACT TYPE STRING,
SYNC_CONTROL TYPE STRING,
ACTTYPE TYPE STRING,
PPM_ACT_GUID TYPE STRING,
RESID TYPE STRING,
STARTTI TYPE STRING,
ENDTI TYPE STRING,
CONFTI TYPE STRING,
ACT_STATUS TYPE STRING,
ACTIVE_MODE TYPE STRING,
REM_PROC_TIME TYPE STRING,
EFFECTIVITY_MODE TYPE STRING,
PLANNED_STATUS TYPE STRING,
FIXED_TIMES TYPE STRING,
NET_PROC_TIME TYPE STRING,
PLANNED_IN_BREAK TYPE STRING,
HAS_CHARACTS TYPE STRING,
IO_OFFSET_TYPE TYPE STRING,
IGNORE_BCK_LIMITS TYPE STRING,
IS_INACTIVE_SETUP_ACT TYPE STRING,
RESERVED_INT4_1 TYPE STRING,
RESERVED_INT4_2 TYPE STRING,
RESERVED_BOOL_1 TYPE STRING,
RESERVED_BOOL_2 TYPE STRING,
START_D TYPE STRING,
START_T TYPE STRING,
ENDE_D TYPE STRING,
ENDE_T TYPE STRING,
CORNER_START_D TYPE STRING,
CORNER_START_T TYPE STRING,
CORNER_ENDE_D TYPE STRING,
CORNER_ENDE_T TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/ACT_TAB_TMP_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/ACT_TAB_TMP_STR-ORDERID sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-ACTID sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-OPRCOUNTER sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-GROUP_OPRCOUNTER sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-OPR_LEVEL sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-MAX_WORK_AFTER_SHIFT sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-GROUP_ID sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-ITEM_ID sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-IS_SETUP_ACT sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-SYNC_CONTROL sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-ACTTYPE sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-PPM_ACT_GUID sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-RESID sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-STARTTI sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-ENDTI sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-CONFTI sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-ACT_STATUS sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-ACTIVE_MODE sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-REM_PROC_TIME sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-EFFECTIVITY_MODE sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-PLANNED_STATUS sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-FIXED_TIMES sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-NET_PROC_TIME sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-PLANNED_IN_BREAK sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-HAS_CHARACTS sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-IO_OFFSET_TYPE sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-IGNORE_BCK_LIMITS sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-IS_INACTIVE_SETUP_ACT sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-RESERVED_INT4_1 sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-RESERVED_INT4_2 sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-RESERVED_BOOL_1 sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-RESERVED_BOOL_2 sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-START_D sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-START_T sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-ENDE_D sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-ENDE_T sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-CORNER_START_D sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-CORNER_START_T sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-CORNER_ENDE_D sy-vline 
WA_/SAPAPO/ACT_TAB_TMP_STR-CORNER_ENDE_T sy-vline      INTO ld_text SEPARATED BY SPACE.

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