ABAP Select data from SAP table CRMT_BW_DATES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_BW_DATES
*  INTO TABLE @DATA(IT_CRMT_BW_DATES2).
*--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_CRMT_BW_DATES INDEX 1 INTO DATA(WA_CRMT_BW_DATES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_BW_DATES>-REQUESTED_DATE = 1.
<CRMT_BW_DATES>-CONFIRMED_DATE = 1.
<CRMT_BW_DATES>-BEGIN_DATE = 1.
<CRMT_BW_DATES>-ENDING_DATE = 1.
<CRMT_BW_DATES>-START_OF_BILLING = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_BW_DATES-VALID_FROM_DATE, sy-vline,
  WA_CRMT_BW_DATES-VALID_TO_DATE, sy-vline,
  WA_CRMT_BW_DATES-BW_POST_DATE, sy-vline,
  WA_CRMT_BW_DATES-PLANNED_TS_FROM, sy-vline,
  WA_CRMT_BW_DATES-PLANNED_TS_TO, sy-vline,
  WA_CRMT_BW_DATES-ACTUAL_TS_FROM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_BW_DATES 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_CRMT_BW_DATES 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_CRMT_BW_DATES INTO WA_CRMT_BW_DATES.


*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 PLANNED_TS_FROM
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_BW_DATES-PLANNED_TS_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_BW_DATES-PLANNED_TS_FROM.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit TSTPS, internal->external for field VALID_TO_TS
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_BW_DATES-VALID_TO_TS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_BW_DATES-VALID_TO_TS.
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_CRMT_BW_DATES_STR, 
REQUESTED_DATE TYPE STRING,
CONFIRMED_DATE TYPE STRING,
BEGIN_DATE TYPE STRING,
ENDING_DATE TYPE STRING,
START_OF_BILLING TYPE STRING,
VALID_FROM_DATE TYPE STRING,
VALID_TO_DATE TYPE STRING,
BW_POST_DATE TYPE STRING,
PLANNED_TS_FROM TYPE STRING,
PLANNED_TS_TO TYPE STRING,
ACTUAL_TS_FROM TYPE STRING,
ACTUAL_TS_TO TYPE STRING,
PLANNED_FROM TYPE STRING,
PLANNED_TO TYPE STRING,
ACTUAL_FROM TYPE STRING,
ACTUAL_TO TYPE STRING,
EARLIEST_CONFIRM TYPE STRING,
DURA TYPE STRING,
DURA_FULLFILL TYPE STRING,
DURA_UNIT TYPE STRING,
BEGIN_TO_COMPLET TYPE STRING,
COMPLETE_TO_END TYPE STRING,
REL_TO_BEGIN TYPE STRING,
REL_BEFORE_END TYPE STRING,
REQ_DLV_DATE TYPE STRING,
LAST_DLV_DATE TYPE STRING,
LAST_QI_ACT_DATE TYPE STRING,
LAST_REQ_AVA_DAT TYPE STRING,
LAST_CONF_AV_DAT TYPE STRING,
LAST_REQ_QI_PLDA TYPE STRING,
LAST_CONF_QI_PLD TYPE STRING,
CONFIRMED_TS TYPE STRING,
ACTUAL_FROM_TS TYPE STRING,
EARLIEST_CON_TS TYPE STRING,
REQUESTED_TS TYPE STRING,
VALID_FROM_TS TYPE STRING,
VALID_TO_TS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_BW_DATES_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_CRMT_BW_DATES_STR-REQUESTED_DATE sy-vline 
WA_CRMT_BW_DATES_STR-CONFIRMED_DATE sy-vline 
WA_CRMT_BW_DATES_STR-BEGIN_DATE sy-vline 
WA_CRMT_BW_DATES_STR-ENDING_DATE sy-vline 
WA_CRMT_BW_DATES_STR-START_OF_BILLING sy-vline 
WA_CRMT_BW_DATES_STR-VALID_FROM_DATE sy-vline 
WA_CRMT_BW_DATES_STR-VALID_TO_DATE sy-vline 
WA_CRMT_BW_DATES_STR-BW_POST_DATE sy-vline 
WA_CRMT_BW_DATES_STR-PLANNED_TS_FROM sy-vline 
WA_CRMT_BW_DATES_STR-PLANNED_TS_TO sy-vline 
WA_CRMT_BW_DATES_STR-ACTUAL_TS_FROM sy-vline 
WA_CRMT_BW_DATES_STR-ACTUAL_TS_TO sy-vline 
WA_CRMT_BW_DATES_STR-PLANNED_FROM sy-vline 
WA_CRMT_BW_DATES_STR-PLANNED_TO sy-vline 
WA_CRMT_BW_DATES_STR-ACTUAL_FROM sy-vline 
WA_CRMT_BW_DATES_STR-ACTUAL_TO sy-vline 
WA_CRMT_BW_DATES_STR-EARLIEST_CONFIRM sy-vline 
WA_CRMT_BW_DATES_STR-DURA sy-vline 
WA_CRMT_BW_DATES_STR-DURA_FULLFILL sy-vline 
WA_CRMT_BW_DATES_STR-DURA_UNIT sy-vline 
WA_CRMT_BW_DATES_STR-BEGIN_TO_COMPLET sy-vline 
WA_CRMT_BW_DATES_STR-COMPLETE_TO_END sy-vline 
WA_CRMT_BW_DATES_STR-REL_TO_BEGIN sy-vline 
WA_CRMT_BW_DATES_STR-REL_BEFORE_END sy-vline 
WA_CRMT_BW_DATES_STR-REQ_DLV_DATE sy-vline 
WA_CRMT_BW_DATES_STR-LAST_DLV_DATE sy-vline 
WA_CRMT_BW_DATES_STR-LAST_QI_ACT_DATE sy-vline 
WA_CRMT_BW_DATES_STR-LAST_REQ_AVA_DAT sy-vline 
WA_CRMT_BW_DATES_STR-LAST_CONF_AV_DAT sy-vline 
WA_CRMT_BW_DATES_STR-LAST_REQ_QI_PLDA sy-vline 
WA_CRMT_BW_DATES_STR-LAST_CONF_QI_PLD sy-vline 
WA_CRMT_BW_DATES_STR-CONFIRMED_TS sy-vline 
WA_CRMT_BW_DATES_STR-ACTUAL_FROM_TS sy-vline 
WA_CRMT_BW_DATES_STR-EARLIEST_CON_TS sy-vline 
WA_CRMT_BW_DATES_STR-REQUESTED_TS sy-vline 
WA_CRMT_BW_DATES_STR-VALID_FROM_TS sy-vline 
WA_CRMT_BW_DATES_STR-VALID_TO_TS sy-vline      INTO ld_text SEPARATED BY SPACE.

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