ABAP Select data from SAP table YTEL01_VACCAS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP YTEL01_VACCAS 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 YTEL01_VACCAS. 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 YTEL01_VACCAS 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_YTEL01_VACCAS TYPE STANDARD TABLE OF YTEL01_VACCAS,
      WA_YTEL01_VACCAS TYPE YTEL01_VACCAS,
      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: <YTEL01_VACCAS> TYPE YTEL01_VACCAS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_YTEL01_VACCAS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM YTEL01_VACCAS
  INTO TABLE IT_YTEL01_VACCAS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM YTEL01_VACCAS
*  INTO TABLE @DATA(IT_YTEL01_VACCAS2).
*--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_YTEL01_VACCAS INDEX 1 INTO DATA(WA_YTEL01_VACCAS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_YTEL01_VACCAS ASSIGNING <YTEL01_VACCAS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<YTEL01_VACCAS>-MANDT = 1.
<YTEL01_VACCAS>-APPL = 1.
<YTEL01_VACCAS>-ACCAS_TYID = 1.
<YTEL01_VACCAS>-VERSION = 1.
<YTEL01_VACCAS>-COSTCENTER = 1.

ENDLOOP.

LOOP AT IT_YTEL01_VACCAS INTO WA_YTEL01_VACCAS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_YTEL01_VACCAS-TAX_CODE, sy-vline,
  WA_YTEL01_VACCAS-GROSS_AMT_MARK, sy-vline,
  WA_YTEL01_VACCAS-GL_ACCOUNT, sy-vline,
  WA_YTEL01_VACCAS-COMPCODE, sy-vline,
  WA_YTEL01_VACCAS-DOC_TYPE, sy-vline,
  WA_YTEL01_VACCAS-COSTELEMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_YTEL01_VACCAS 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_YTEL01_VACCAS 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_YTEL01_VACCAS INTO WA_YTEL01_VACCAS.


*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 COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-COSTCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GL_ACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-GL_ACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-GL_ACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-COSTELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-COSTELEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORDERID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-ORDERID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-ORDERID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-WBSELEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NETWORK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-NETWORK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-NETWORK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field ACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-ACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-ACTIVITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-SALESORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field COMMITMENTITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-COMMITMENTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-COMMITMENTITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field BUSI_BEGIN
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-BUSI_BEGIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-BUSI_BEGIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field BUSI_END
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-BUSI_END
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-BUSI_END.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field TECH_BEGIN
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-TECH_BEGIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-TECH_BEGIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field TECH_END
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_YTEL01_VACCAS-TECH_END
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_YTEL01_VACCAS-TECH_END.
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_YTEL01_VACCAS_STR, 
MANDT TYPE STRING,
APPL TYPE STRING,
ACCAS_TYID TYPE STRING,
VERSION TYPE STRING,
COSTCENTER TYPE STRING,
TAX_CODE TYPE STRING,
GROSS_AMT_MARK TYPE STRING,
GL_ACCOUNT TYPE STRING,
COMPCODE TYPE STRING,
DOC_TYPE TYPE STRING,
COSTELEMENT TYPE STRING,
PMNT_BLOCK TYPE STRING,
BUSINESSAREA TYPE STRING,
COMPANYCODE TYPE STRING,
ORDERID TYPE STRING,
COSTOBJECT TYPE STRING,
WAGETYPE TYPE STRING,
WBSELEMENT TYPE STRING,
NETWORK TYPE STRING,
ACTIVITY TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
FUNDSCENTER TYPE STRING,
COMMITMENTITEM TYPE STRING,
FUND TYPE STRING,
BUSI_BEGIN TYPE STRING,
BUSI_END TYPE STRING,
TECH_BEGIN TYPE STRING,
TECH_END TYPE STRING,
FLG_CANCEL_OBJ TYPE STRING,
FLG_CANCEL_VERS TYPE STRING,
CHG_TCODE TYPE STRING,
CHG_USR TYPE STRING,
TRI_METH_TYP TYPE STRING,
TRI_METH_TARGET TYPE STRING,
STATUS_VERSION TYPE STRING,
STATUS_WORK TYPE STRING,
NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_YTEL01_VACCAS_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_YTEL01_VACCAS_STR-MANDT sy-vline 
WA_YTEL01_VACCAS_STR-APPL sy-vline 
WA_YTEL01_VACCAS_STR-ACCAS_TYID sy-vline 
WA_YTEL01_VACCAS_STR-VERSION sy-vline 
WA_YTEL01_VACCAS_STR-COSTCENTER sy-vline 
WA_YTEL01_VACCAS_STR-TAX_CODE sy-vline 
WA_YTEL01_VACCAS_STR-GROSS_AMT_MARK sy-vline 
WA_YTEL01_VACCAS_STR-GL_ACCOUNT sy-vline 
WA_YTEL01_VACCAS_STR-COMPCODE sy-vline 
WA_YTEL01_VACCAS_STR-DOC_TYPE sy-vline 
WA_YTEL01_VACCAS_STR-COSTELEMENT sy-vline 
WA_YTEL01_VACCAS_STR-PMNT_BLOCK sy-vline 
WA_YTEL01_VACCAS_STR-BUSINESSAREA sy-vline 
WA_YTEL01_VACCAS_STR-COMPANYCODE sy-vline 
WA_YTEL01_VACCAS_STR-ORDERID sy-vline 
WA_YTEL01_VACCAS_STR-COSTOBJECT sy-vline 
WA_YTEL01_VACCAS_STR-WAGETYPE sy-vline 
WA_YTEL01_VACCAS_STR-WBSELEMENT sy-vline 
WA_YTEL01_VACCAS_STR-NETWORK sy-vline 
WA_YTEL01_VACCAS_STR-ACTIVITY sy-vline 
WA_YTEL01_VACCAS_STR-SALESORDER sy-vline 
WA_YTEL01_VACCAS_STR-SALESORDERITEM sy-vline 
WA_YTEL01_VACCAS_STR-FUNDSCENTER sy-vline 
WA_YTEL01_VACCAS_STR-COMMITMENTITEM sy-vline 
WA_YTEL01_VACCAS_STR-FUND sy-vline 
WA_YTEL01_VACCAS_STR-BUSI_BEGIN sy-vline 
WA_YTEL01_VACCAS_STR-BUSI_END sy-vline 
WA_YTEL01_VACCAS_STR-TECH_BEGIN sy-vline 
WA_YTEL01_VACCAS_STR-TECH_END sy-vline 
WA_YTEL01_VACCAS_STR-FLG_CANCEL_OBJ sy-vline 
WA_YTEL01_VACCAS_STR-FLG_CANCEL_VERS sy-vline 
WA_YTEL01_VACCAS_STR-CHG_TCODE sy-vline 
WA_YTEL01_VACCAS_STR-CHG_USR sy-vline 
WA_YTEL01_VACCAS_STR-TRI_METH_TYP sy-vline 
WA_YTEL01_VACCAS_STR-TRI_METH_TARGET sy-vline 
WA_YTEL01_VACCAS_STR-STATUS_VERSION sy-vline 
WA_YTEL01_VACCAS_STR-STATUS_WORK sy-vline 
WA_YTEL01_VACCAS_STR-NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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