ABAP Select data from SAP table FMCA_DM_CONTENT_PS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCA_DM_CONTENT_PS
*  INTO TABLE @DATA(IT_FMCA_DM_CONTENT_PS2).
*--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_FMCA_DM_CONTENT_PS INDEX 1 INTO DATA(WA_FMCA_DM_CONTENT_PS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCA_DM_CONTENT_PS>-BEGDA = 1.
<FMCA_DM_CONTENT_PS>-ENDDA = 1.
<FMCA_DM_CONTENT_PS>-REF_GUID = 1.
<FMCA_DM_CONTENT_PS>-EXTERNAL_ID = 1.
<FMCA_DM_CONTENT_PS>-PROCESS_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCA_DM_CONTENT_PS-DESCRIPTION, sy-vline,
  WA_FMCA_DM_CONTENT_PS-DESCR_LANGUAGE, sy-vline,
  WA_FMCA_DM_CONTENT_PS-LOGICAL_SYSTEM, sy-vline,
  WA_FMCA_DM_CONTENT_PS-CRM_RELEASE, sy-vline,
  WA_FMCA_DM_CONTENT_PS-CREATED_AT, sy-vline,
  WA_FMCA_DM_CONTENT_PS-CREATED_BY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCA_DM_CONTENT_PS 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_FMCA_DM_CONTENT_PS 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_FMCA_DM_CONTENT_PS INTO WA_FMCA_DM_CONTENT_PS.


*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 ALPHA, internal->external for field EXTERNAL_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_DM_CONTENT_PS-EXTERNAL_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_DM_CONTENT_PS-EXTERNAL_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field DESCR_LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_DM_CONTENT_PS-DESCR_LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_DM_CONTENT_PS-DESCR_LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGICAL_SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_DM_CONTENT_PS-LOGICAL_SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_DM_CONTENT_PS-LOGICAL_SYSTEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CREATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_DM_CONTENT_PS-CREATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_DM_CONTENT_PS-CREATED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_DM_CONTENT_PS-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_DM_CONTENT_PS-CHANGED_AT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field MAIN_PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_DM_CONTENT_PS-MAIN_PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_DM_CONTENT_PS-MAIN_PARTNER.
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_FMCA_DM_CONTENT_PS_STR, 
BEGDA TYPE STRING,
ENDDA TYPE STRING,
REF_GUID TYPE STRING,
EXTERNAL_ID TYPE STRING,
PROCESS_TYPE TYPE STRING,
DESCRIPTION TYPE STRING,
DESCR_LANGUAGE TYPE STRING,
LOGICAL_SYSTEM TYPE STRING,
CRM_RELEASE TYPE STRING,
CREATED_AT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
HEAD_CHANGED_AT TYPE STRING,
OBJECT_TYPE TYPE STRING,
CRM_CHANGED_AT TYPE STRING,
ARCHIVING_FLAG TYPE STRING,
SAVED_AT TYPE STRING,
BUSINESS_PROCESS TYPE STRING,
CHNG_PROCESS TYPE STRING,
ORDERADM_H_DUMMY TYPE STRING,
MAIN_PARTNER TYPE STRING,
MR_DATE_ID TYPE STRING,
MR_IDENT TYPE STRING,
MR_FAILED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCA_DM_CONTENT_PS_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_FMCA_DM_CONTENT_PS_STR-BEGDA sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-ENDDA sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-REF_GUID sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-EXTERNAL_ID sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-PROCESS_TYPE sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-DESCRIPTION sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-DESCR_LANGUAGE sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-LOGICAL_SYSTEM sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-CRM_RELEASE sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-CREATED_AT sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-CREATED_BY sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-CHANGED_AT sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-CHANGED_BY sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-HEAD_CHANGED_AT sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-OBJECT_TYPE sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-CRM_CHANGED_AT sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-ARCHIVING_FLAG sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-SAVED_AT sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-BUSINESS_PROCESS sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-CHNG_PROCESS sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-ORDERADM_H_DUMMY sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-MAIN_PARTNER sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-MR_DATE_ID sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-MR_IDENT sy-vline 
WA_FMCA_DM_CONTENT_PS_STR-MR_FAILED sy-vline      INTO ld_text SEPARATED BY SPACE.

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