ABAP Select data from SAP table FMCA_CORR_CONF_HEADER_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FMCA_CORR_CONF_HEADER_S 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_CORR_CONF_HEADER_S. 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_CORR_CONF_HEADER_S 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_CORR_CONF_HEADER_S TYPE STANDARD TABLE OF FMCA_CORR_CONF_HEADER_S,
      WA_FMCA_CORR_CONF_HEADER_S TYPE FMCA_CORR_CONF_HEADER_S,
      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_CORR_CONF_HEADER_S> TYPE FMCA_CORR_CONF_HEADER_S.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCA_CORR_CONF_HEADER_S
*  INTO TABLE @DATA(IT_FMCA_CORR_CONF_HEADER_S2).
*--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_CORR_CONF_HEADER_S INDEX 1 INTO DATA(WA_FMCA_CORR_CONF_HEADER_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCA_CORR_CONF_HEADER_S>-WA_HEADER = 1.
<FMCA_CORR_CONF_HEADER_S>-RETURN_ID = 1.
<FMCA_CORR_CONF_HEADER_S>-FBNUM = 1.
<FMCA_CORR_CONF_HEADER_S>-REVENUE_TYPE = 1.
<FMCA_CORR_CONF_HEADER_S>-TAXPAYER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCA_CORR_CONF_HEADER_S-JOINT_FILER, sy-vline,
  WA_FMCA_CORR_CONF_HEADER_S-BU_ID_TYPE, sy-vline,
  WA_FMCA_CORR_CONF_HEADER_S-TAXPAYER_ID, sy-vline,
  WA_FMCA_CORR_CONF_HEADER_S-JOINT_ID_TYPE, sy-vline,
  WA_FMCA_CORR_CONF_HEADER_S-JOINT_FILER_ID, sy-vline,
  WA_FMCA_CORR_CONF_HEADER_S-ACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCA_CORR_CONF_HEADER_S 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_CORR_CONF_HEADER_S 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_CORR_CONF_HEADER_S INTO WA_FMCA_CORR_CONF_HEADER_S.


*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 FBNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_CORR_CONF_HEADER_S-FBNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_CORR_CONF_HEADER_S-FBNUM.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit TZNTS, internal->external for field ERTSP
CALL FUNCTION 'CONVERSION_EXIT_TZNTS_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_CORR_CONF_HEADER_S-ERTSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_CORR_CONF_HEADER_S-ERTSP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TZNTS, internal->external for field AETSP
CALL FUNCTION 'CONVERSION_EXIT_TZNTS_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_CORR_CONF_HEADER_S-AETSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_CORR_CONF_HEADER_S-AETSP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TAX_PREPARER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCA_CORR_CONF_HEADER_S-TAX_PREPARER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCA_CORR_CONF_HEADER_S-TAX_PREPARER.
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_CORR_CONF_HEADER_S_STR, 
WA_HEADER TYPE STRING,
RETURN_ID TYPE STRING,
FBNUM TYPE STRING,
REVENUE_TYPE TYPE STRING,
TAXPAYER TYPE STRING,
JOINT_FILER TYPE STRING,
BU_ID_TYPE TYPE STRING,
TAXPAYER_ID TYPE STRING,
JOINT_ID_TYPE TYPE STRING,
JOINT_FILER_ID TYPE STRING,
ACCOUNT TYPE STRING,
REG_ID TYPE STRING,
REG_TYPE TYPE STRING,
JOINT_ACCOUNT TYPE STRING,
JOINT_REG_ID TYPE STRING,
JOINT_REG_TYPE TYPE STRING,
APPLY_FROM TYPE STRING,
APPLY_TO TYPE STRING,
PERIOD_KEY TYPE STRING,
BEGRU TYPE STRING,
CONSOLIDATED_BY TYPE STRING,
DUPLICATE_TO TYPE STRING,
FORMPROC TYPE STRING,
X_CONS TYPE STRING,
X_ESTIMATED TYPE STRING,
FBTYP TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
ERNAM TYPE STRING,
ERTSP TYPE STRING,
AENAM TYPE STRING,
AETSP TYPE STRING,
KEYDT TYPE STRING,
FBSTA TYPE STRING,
FBSTB TYPE STRING,
FBUST TYPE STRING,
FBSTZ TYPE STRING,
VALIDATION TYPE STRING,
POSTMARK TYPE STRING,
RECEIPT TYPE STRING,
DUE_DATE TYPE STRING,
DEFERRAL_DATE TYPE STRING,
REFUND_COMPLETE TYPE STRING,
POSTMARK_EXT TYPE STRING,
RECONCILIATION TYPE STRING,
LAST_FILING TYPE STRING,
AS_FILED_EXT TYPE STRING,
DATE_SOL TYPE STRING,
BATCH_ID TYPE STRING,
LOCATOR_NUMBER TYPE STRING,
TRANSACTION_TYPE TYPE STRING,
IN_CHANNEL TYPE STRING,
TAX_PREPARER TYPE STRING,
INDPR TYPE STRING,
KEYPP TYPE STRING,
CURRENT_VERSION TYPE STRING,
X_CHANGED TYPE STRING,
FORM_ID TYPE STRING,
CONTAINER_NUM TYPE STRING,
CONTAINER_GUID TYPE STRING,
DOCUMENT_ID TYPE STRING,
TIMESTAMP_CONT TYPE STRING,
TFD_FILLED TYPE STRING,
DUMMY_PSFORMBUNDLE_EEW_PS TYPE STRING,
T_FORMDATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCA_CORR_CONF_HEADER_S_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_CORR_CONF_HEADER_S_STR-WA_HEADER sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-RETURN_ID sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-FBNUM sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-REVENUE_TYPE sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-TAXPAYER sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-JOINT_FILER sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-BU_ID_TYPE sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-TAXPAYER_ID sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-JOINT_ID_TYPE sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-JOINT_FILER_ID sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-ACCOUNT sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-REG_ID sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-REG_TYPE sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-JOINT_ACCOUNT sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-JOINT_REG_ID sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-JOINT_REG_TYPE sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-APPLY_FROM sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-APPLY_TO sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-PERIOD_KEY sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-BEGRU sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-CONSOLIDATED_BY sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-DUPLICATE_TO sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-FORMPROC sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-X_CONS sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-X_ESTIMATED sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-FBTYP sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-BETRW sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-WAERS sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-ERNAM sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-ERTSP sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-AENAM sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-AETSP sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-KEYDT sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-FBSTA sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-FBSTB sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-FBUST sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-FBSTZ sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-VALIDATION sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-POSTMARK sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-RECEIPT sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-DUE_DATE sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-DEFERRAL_DATE sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-REFUND_COMPLETE sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-POSTMARK_EXT sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-RECONCILIATION sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-LAST_FILING sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-AS_FILED_EXT sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-DATE_SOL sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-BATCH_ID sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-LOCATOR_NUMBER sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-TRANSACTION_TYPE sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-IN_CHANNEL sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-TAX_PREPARER sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-INDPR sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-KEYPP sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-CURRENT_VERSION sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-X_CHANGED sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-FORM_ID sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-CONTAINER_NUM sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-CONTAINER_GUID sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-DOCUMENT_ID sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-TIMESTAMP_CONT sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-TFD_FILLED sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-DUMMY_PSFORMBUNDLE_EEW_PS sy-vline 
WA_FMCA_CORR_CONF_HEADER_S_STR-T_FORMDATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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