ABAP Select data from SAP table EINIDATCRD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EINIDATCRD
*  INTO TABLE @DATA(IT_EINIDATCRD2).
*--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_EINIDATCRD INDEX 1 INTO DATA(WA_EINIDATCRD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EINIDATCRD>-MANDT = 1.
<EINIDATCRD>-INIDATCRDC = 1.
<EINIDATCRD>-INIDATCRDI = 1.
<EINIDATCRD>-CANCELLED = 1.
<EINIDATCRD>-IDC_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EINIDATCRD-VSTELLE, sy-vline,
  WA_EINIDATCRD-HAUS, sy-vline,
  WA_EINIDATCRD-EINZBELEG, sy-vline,
  WA_EINIDATCRD-ERDAT, sy-vline,
  WA_EINIDATCRD-ERNAM, sy-vline,
  WA_EINIDATCRD-AEDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EINIDATCRD 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_EINIDATCRD 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_EINIDATCRD INTO WA_EINIDATCRD.


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

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

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

*Conversion exit TPLNR, internal->external for field HAUS
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_EINIDATCRD-HAUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EINIDATCRD-HAUS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field ANLAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EINIDATCRD-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EINIDATCRD-ANLAGE.
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_EINIDATCRD_STR, 
MANDT TYPE STRING,
INIDATCRDC TYPE STRING,
INIDATCRDI TYPE STRING,
CANCELLED TYPE STRING,
IDC_DATE TYPE STRING,
VSTELLE TYPE STRING,
HAUS TYPE STRING,
EINZBELEG TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
BEGRU TYPE STRING,
LOEVM TYPE STRING,
SPARTE TYPE STRING,
ANLAGE TYPE STRING,
TC_DIV_TIT TYPE STRING,
TC_INST_TIT TYPE STRING,
SELECTED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EINIDATCRD_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_EINIDATCRD_STR-MANDT sy-vline 
WA_EINIDATCRD_STR-INIDATCRDC sy-vline 
WA_EINIDATCRD_STR-INIDATCRDI sy-vline 
WA_EINIDATCRD_STR-CANCELLED sy-vline 
WA_EINIDATCRD_STR-IDC_DATE sy-vline 
WA_EINIDATCRD_STR-VSTELLE sy-vline 
WA_EINIDATCRD_STR-HAUS sy-vline 
WA_EINIDATCRD_STR-EINZBELEG sy-vline 
WA_EINIDATCRD_STR-ERDAT sy-vline 
WA_EINIDATCRD_STR-ERNAM sy-vline 
WA_EINIDATCRD_STR-AEDAT sy-vline 
WA_EINIDATCRD_STR-AENAM sy-vline 
WA_EINIDATCRD_STR-BEGRU sy-vline 
WA_EINIDATCRD_STR-LOEVM sy-vline 
WA_EINIDATCRD_STR-SPARTE sy-vline 
WA_EINIDATCRD_STR-ANLAGE sy-vline 
WA_EINIDATCRD_STR-TC_DIV_TIT sy-vline 
WA_EINIDATCRD_STR-TC_INST_TIT sy-vline 
WA_EINIDATCRD_STR-SELECTED sy-vline      INTO ld_text SEPARATED BY SPACE.

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