ABAP Select data from SAP table ISI_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 ISI_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 ISI_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 ISI_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_ISI_SEARCH_CRITERIA TYPE STANDARD TABLE OF ISI_SEARCH_CRITERIA,
      WA_ISI_SEARCH_CRITERIA TYPE ISI_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: <ISI_SEARCH_CRITERIA> TYPE ISI_SEARCH_CRITERIA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISI_SEARCH_CRITERIA
*  INTO TABLE @DATA(IT_ISI_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_ISI_SEARCH_CRITERIA INDEX 1 INTO DATA(WA_ISI_SEARCH_CRITERIA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISI_SEARCH_CRITERIA>-VENDOR = 1.
<ISI_SEARCH_CRITERIA>-PLANT = 1.
<ISI_SEARCH_CRITERIA>-STORE_LOC = 1.
<ISI_SEARCH_CRITERIA>-MATERIAL = 1.
<ISI_SEARCH_CRITERIA>-VEND_MAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISI_SEARCH_CRITERIA-PO_NUMBER, sy-vline,
  WA_ISI_SEARCH_CRITERIA-PO_ITEM, sy-vline,
  WA_ISI_SEARCH_CRITERIA-NUMBER_DOCS, sy-vline,
  WA_ISI_SEARCH_CRITERIA-DATE_FROM, sy-vline,
  WA_ISI_SEARCH_CRITERIA-DATE_TO, sy-vline,
  WA_ISI_SEARCH_CRITERIA-LAST_DAYS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISI_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_ISI_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_ISI_SEARCH_CRITERIA INTO WA_ISI_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 VENDOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISI_SEARCH_CRITERIA-VENDOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISI_SEARCH_CRITERIA-VENDOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISI_SEARCH_CRITERIA-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISI_SEARCH_CRITERIA-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field MATERIAL_SHVAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISI_SEARCH_CRITERIA-MATERIAL_SHVAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISI_SEARCH_CRITERIA-MATERIAL_SHVAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit MATN1, internal->external for field EMATN
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISI_SEARCH_CRITERIA-EMATN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISI_SEARCH_CRITERIA-EMATN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field EMATN_SHVAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ISI_SEARCH_CRITERIA-EMATN_SHVAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISI_SEARCH_CRITERIA-EMATN_SHVAL.
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_ISI_SEARCH_CRITERIA_STR, 
VENDOR TYPE STRING,
PLANT TYPE STRING,
STORE_LOC TYPE STRING,
MATERIAL TYPE STRING,
VEND_MAT TYPE STRING,
PO_NUMBER TYPE STRING,
PO_ITEM TYPE STRING,
NUMBER_DOCS TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
LAST_DAYS TYPE STRING,
NEXT_DAYS TYPE STRING,
GR_LDAYS TYPE STRING,
REQ_LDAYS TYPE STRING,
SETL_NDAYS TYPE STRING,
GR_NDAYS TYPE STRING,
SEL_DATE TYPE STRING,
SEL_TIME TYPE STRING,
CREL TYPE STRING,
VENDOR_SHVAL TYPE STRING,
PLANT_SHVAL TYPE STRING,
MATERIAL_SHVAL TYPE STRING,
CREL_SHVAL TYPE STRING,
ABART_SHVAL TYPE STRING,
EPSTP_SHVAL TYPE STRING,
JTYPE TYPE STRING,
FTYPE TYPE STRING,
CUSTOMER_EXT TYPE STRING,
REF_DOCNO TYPE STRING,
LSTAT TYPE STRING,
USTAT TYPE STRING,
VIEWS TYPE STRING,
SUMJIT_VIEWS TYPE STRING,
SORTB TYPE STRING,
SUMJIT_SORTB TYPE STRING,
PRODN TYPE STRING,
SEQNR TYPE STRING,
OUTPO TYPE STRING,
CALLTYPE TYPE STRING,
FROMTIME TYPE STRING,
TOTIME TYPE STRING,
LPKBST TYPE STRING,
HPKBST TYPE STRING,
PABWEF TYPE STRING,
PABDKZ TYPE STRING,
SUMJIT_GRSTATUS TYPE STRING,
TKNUM TYPE STRING,
SIGNI TYPE STRING,
EXTI1 TYPE STRING,
EXTI2 TYPE STRING,
TPBEZ TYPE STRING,
BOR_PUS TYPE STRING,
ALERT_SHVAL TYPE STRING,
NSETL_SHVAL TYPE STRING,
COVERAGE_SHVAL TYPE STRING,
PL_NUM TYPE STRING,
REF_DOC_NO TYPE STRING,
INBD_NUMBER TYPE STRING,
INBD_ENUMBER TYPE STRING,
PER_PAGE_SHVAL TYPE STRING,
PDSTK_SHVAL TYPE STRING,
POD_FLAG_SHVAL TYPE STRING,
PODVWK_SHVAL TYPE STRING,
POD_FLAG TYPE STRING,
PODVWK TYPE STRING,
PODVWK_TST_FROM TYPE STRING,
PODVWK_TST_TO TYPE STRING,
PDSTK TYPE STRING,
DELV_DATE_FROM TYPE STRING,
DELV_DATE_TO TYPE STRING,
GM_DATE_FROM TYPE STRING,
GM_DATE_TO TYPE STRING,
DELV_GROUP TYPE STRING,
EMATN TYPE STRING,
EMATN_SHVAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISI_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_ISI_SEARCH_CRITERIA_STR-VENDOR sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PLANT sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-STORE_LOC sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-MATERIAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-VEND_MAT sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PO_NUMBER sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PO_ITEM sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-NUMBER_DOCS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-DATE_FROM sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-DATE_TO sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-LAST_DAYS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-NEXT_DAYS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-GR_LDAYS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-REQ_LDAYS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-SETL_NDAYS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-GR_NDAYS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-SEL_DATE sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-SEL_TIME sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-CREL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-VENDOR_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PLANT_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-MATERIAL_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-CREL_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-ABART_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-EPSTP_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-JTYPE sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-FTYPE sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-CUSTOMER_EXT sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-REF_DOCNO sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-LSTAT sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-USTAT sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-VIEWS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-SUMJIT_VIEWS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-SORTB sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-SUMJIT_SORTB sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PRODN sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-SEQNR sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-OUTPO sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-CALLTYPE sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-FROMTIME sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-TOTIME sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-LPKBST sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-HPKBST sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PABWEF sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PABDKZ sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-SUMJIT_GRSTATUS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-TKNUM sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-SIGNI sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-EXTI1 sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-EXTI2 sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-TPBEZ sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-BOR_PUS sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-ALERT_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-NSETL_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-COVERAGE_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PL_NUM sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-REF_DOC_NO sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-INBD_NUMBER sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-INBD_ENUMBER sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PER_PAGE_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PDSTK_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-POD_FLAG_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PODVWK_SHVAL sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-POD_FLAG sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PODVWK sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PODVWK_TST_FROM sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PODVWK_TST_TO sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-PDSTK sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-DELV_DATE_FROM sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-DELV_DATE_TO sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-GM_DATE_FROM sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-GM_DATE_TO sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-DELV_GROUP sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-EMATN sy-vline 
WA_ISI_SEARCH_CRITERIA_STR-EMATN_SHVAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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