ABAP Select data from SAP table ECP_ALM_SEARCH_BUSEQUI_CR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ECP_ALM_SEARCH_BUSEQUI_CR
*  INTO TABLE @DATA(IT_ECP_ALM_SEARCH_BUSEQUI_CR2).
*--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_ECP_ALM_SEARCH_BUSEQUI_CR INDEX 1 INTO DATA(WA_ECP_ALM_SEARCH_BUSEQUI_CR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ECP_ALM_SEARCH_BUSEQUI_CR>-SERNR = 1.
<ECP_ALM_SEARCH_BUSEQUI_CR>-MATNR = 1.
<ECP_ALM_SEARCH_BUSEQUI_CR>-EQUNR = 1.
<ECP_ALM_SEARCH_BUSEQUI_CR>-EQKTX = 1.
<ECP_ALM_SEARCH_BUSEQUI_CR>-SWERK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ECP_ALM_SEARCH_BUSEQUI_CR-IWERK, sy-vline,
  WA_ECP_ALM_SEARCH_BUSEQUI_CR-INGRP, sy-vline,
  WA_ECP_ALM_SEARCH_BUSEQUI_CR-GEWRK, sy-vline,
  WA_ECP_ALM_SEARCH_BUSEQUI_CR-EQFNR, sy-vline,
  WA_ECP_ALM_SEARCH_BUSEQUI_CR-KUND3, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_ECP_ALM_SEARCH_BUSEQUI_CR 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_ECP_ALM_SEARCH_BUSEQUI_CR 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_ECP_ALM_SEARCH_BUSEQUI_CR INTO WA_ECP_ALM_SEARCH_BUSEQUI_CR.


*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 GERNR, internal->external for field SERNR
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_ECP_ALM_SEARCH_BUSEQUI_CR-SERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECP_ALM_SEARCH_BUSEQUI_CR-SERNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field KUND3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ECP_ALM_SEARCH_BUSEQUI_CR-KUND3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECP_ALM_SEARCH_BUSEQUI_CR-KUND3.
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_ECP_ALM_SEARCH_BUSEQUI_CR_STR, 
SERNR TYPE STRING,
MATNR TYPE STRING,
EQUNR TYPE STRING,
EQKTX TYPE STRING,
SWERK TYPE STRING,
IWERK TYPE STRING,
INGRP TYPE STRING,
GEWRK TYPE STRING,
EQFNR TYPE STRING,
KUND3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ECP_ALM_SEARCH_BUSEQUI_CR_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_ECP_ALM_SEARCH_BUSEQUI_CR_STR-SERNR sy-vline 
WA_ECP_ALM_SEARCH_BUSEQUI_CR_STR-MATNR sy-vline 
WA_ECP_ALM_SEARCH_BUSEQUI_CR_STR-EQUNR sy-vline 
WA_ECP_ALM_SEARCH_BUSEQUI_CR_STR-EQKTX sy-vline 
WA_ECP_ALM_SEARCH_BUSEQUI_CR_STR-SWERK sy-vline 
WA_ECP_ALM_SEARCH_BUSEQUI_CR_STR-IWERK sy-vline 
WA_ECP_ALM_SEARCH_BUSEQUI_CR_STR-INGRP sy-vline 
WA_ECP_ALM_SEARCH_BUSEQUI_CR_STR-GEWRK sy-vline 
WA_ECP_ALM_SEARCH_BUSEQUI_CR_STR-EQFNR sy-vline 
WA_ECP_ALM_SEARCH_BUSEQUI_CR_STR-KUND3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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