ABAP Select data from SAP table EHFNDS_DTS_SEARCH_CRITERIA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDS_DTS_SEARCH_CRITERIA
*  INTO TABLE @DATA(IT_EHFNDS_DTS_SEARCH_CRITERIA2).
*--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_EHFNDS_DTS_SEARCH_CRITERIA INDEX 1 INTO DATA(WA_EHFNDS_DTS_SEARCH_CRITERIA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDS_DTS_SEARCH_CRITERIA>-ID = 1.
<EHFNDS_DTS_SEARCH_CRITERIA>-NAME = 1.
<EHFNDS_DTS_SEARCH_CRITERIA>-STATUS = 1.
<EHFNDS_DTS_SEARCH_CRITERIA>-START_DATE = 1.
<EHFNDS_DTS_SEARCH_CRITERIA>-AMOUNT_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDS_DTS_SEARCH_CRITERIA-LCN_ROOT_KEY_REF, sy-vline,
  WA_EHFNDS_DTS_SEARCH_CRITERIA-UNIT, sy-vline,
  WA_EHFNDS_DTS_SEARCH_CRITERIA-FREQ_DURATION, sy-vline,
  WA_EHFNDS_DTS_SEARCH_CRITERIA-SAMP_TYPE, sy-vline,
  WA_EHFNDS_DTS_SEARCH_CRITERIA-AMOUNT_VALUE, sy-vline,
  WA_EHFNDS_DTS_SEARCH_CRITERIA-VALUE_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDS_DTS_SEARCH_CRITERIA 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_EHFNDS_DTS_SEARCH_CRITERIA 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_EHFNDS_DTS_SEARCH_CRITERIA INTO WA_EHFNDS_DTS_SEARCH_CRITERIA.


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

*Conversion exit DFVAL, internal->external for field STATUS
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-STATUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-STATUS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit LCRID, internal->external for field LCN_ROOT_KEY_REF
CALL FUNCTION 'CONVERSION_EXIT_LCRID_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-LCN_ROOT_KEY_REF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-LCN_ROOT_KEY_REF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHUNI, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_EHUNI_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHVLT, internal->external for field VALUE_TYPE
CALL FUNCTION 'CONVERSION_EXIT_EHVLT_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-VALUE_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-VALUE_TYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHJID, internal->external for field JOB_KEY_REF
CALL FUNCTION 'CONVERSION_EXIT_EHJID_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-JOB_KEY_REF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-JOB_KEY_REF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHAGD, internal->external for field AGENT_KEY_REF
CALL FUNCTION 'CONVERSION_EXIT_EHAGD_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-AGENT_KEY_REF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-AGENT_KEY_REF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHCMD, internal->external for field CMA_KEY_REF
CALL FUNCTION 'CONVERSION_EXIT_EHCMD_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-CMA_KEY_REF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-CMA_KEY_REF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHACD, internal->external for field AGENT_COMBINED_KEY_REF
CALL FUNCTION 'CONVERSION_EXIT_EHACD_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-AGENT_COMBINED_KEY_REF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-AGENT_COMBINED_KEY_REF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHACA, internal->external for field AMOUNT_CAT
CALL FUNCTION 'CONVERSION_EXIT_EHACA_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-AMOUNT_CAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-AMOUNT_CAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHOPS, internal->external for field OPERATION_STATUS
CALL FUNCTION 'CONVERSION_EXIT_EHOPS_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-OPERATION_STATUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-OPERATION_STATUS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHJTC, internal->external for field JOB_TYPE
CALL FUNCTION 'CONVERSION_EXIT_EHJTC_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-JOB_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-JOB_TYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LCTYP, internal->external for field TYPE
CALL FUNCTION 'CONVERSION_EXIT_LCTYP_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDS_DTS_SEARCH_CRITERIA-TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDS_DTS_SEARCH_CRITERIA-TYPE.
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_EHFNDS_DTS_SEARCH_CRITERIA_STR, 
ID TYPE STRING,
NAME TYPE STRING,
STATUS TYPE STRING,
START_DATE TYPE STRING,
AMOUNT_ID TYPE STRING,
LCN_ROOT_KEY_REF TYPE STRING,
UNIT TYPE STRING,
FREQ_DURATION TYPE STRING,
SAMP_TYPE TYPE STRING,
AMOUNT_VALUE TYPE STRING,
VALUE_TYPE TYPE STRING,
JOB_KEY_REF TYPE STRING,
AGENT_KEY_REF TYPE STRING,
CMA_KEY_REF TYPE STRING,
AGENT_COMBINED_KEY_REF TYPE STRING,
AMOUNT_CAT TYPE STRING,
OPERATION_STATUS TYPE STRING,
JOB_TYPE TYPE STRING,
TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDS_DTS_SEARCH_CRITERIA_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_EHFNDS_DTS_SEARCH_CRITERIA_STR-ID sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-NAME sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-STATUS sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-START_DATE sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-AMOUNT_ID sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-LCN_ROOT_KEY_REF sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-UNIT sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-FREQ_DURATION sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-SAMP_TYPE sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-AMOUNT_VALUE sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-VALUE_TYPE sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-JOB_KEY_REF sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-AGENT_KEY_REF sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-CMA_KEY_REF sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-AGENT_COMBINED_KEY_REF sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-AMOUNT_CAT sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-OPERATION_STATUS sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-JOB_TYPE sy-vline 
WA_EHFNDS_DTS_SEARCH_CRITERIA_STR-TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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