ABAP Select data from SAP table BAPI_EQUZ1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI_EQUZ1 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 BAPI_EQUZ1. 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 BAPI_EQUZ1 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_BAPI_EQUZ1 TYPE STANDARD TABLE OF BAPI_EQUZ1,
      WA_BAPI_EQUZ1 TYPE BAPI_EQUZ1,
      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: <BAPI_EQUZ1> TYPE BAPI_EQUZ1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPI_EQUZ1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPI_EQUZ1
  INTO TABLE IT_BAPI_EQUZ1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_EQUZ1
*  INTO TABLE @DATA(IT_BAPI_EQUZ12).
*--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_BAPI_EQUZ1 INDEX 1 INTO DATA(WA_BAPI_EQUZ12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPI_EQUZ1 ASSIGNING <BAPI_EQUZ1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_EQUZ1>-OPERATION = 1.
<BAPI_EQUZ1>-EQUIPMENT = 1.
<BAPI_EQUZ1>-VALID_TO = 1.
<BAPI_EQUZ1>-CONSECNO = 1.
<BAPI_EQUZ1>-NXTUSEPD = 1.

ENDLOOP.

LOOP AT IT_BAPI_EQUZ1 INTO WA_BAPI_EQUZ1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_EQUZ1-CREAT_DATE, sy-vline,
  WA_BAPI_EQUZ1-CREATED_BY, sy-vline,
  WA_BAPI_EQUZ1-CH_ON, sy-vline,
  WA_BAPI_EQUZ1-CHANGED_BY, sy-vline,
  WA_BAPI_EQUZ1-TIME, sy-vline,
  WA_BAPI_EQUZ1-INTSTAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_EQUZ1 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_BAPI_EQUZ1 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_BAPI_EQUZ1 INTO WA_BAPI_EQUZ1.


*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 EQUIPMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_EQUZ1-EQUIPMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_EQUZ1-EQUIPMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN5, internal->external for field CONSTTYPE
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_EQUZ1-CONSTTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_EQUZ1-CONSTTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPEREQUI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_EQUZ1-SUPEREQUI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_EQUZ1-SUPEREQUI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_EQUZ1-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_EQUZ1-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ENDCUSTOM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_EQUZ1-ENDCUSTOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_EQUZ1-ENDCUSTOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OPERATOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_EQUZ1-OPERATOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_EQUZ1-OPERATOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PHYSINVENTORY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_EQUZ1-PHYSINVENTORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_EQUZ1-PHYSINVENTORY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field CONSTTYPE_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_EQUZ1-CONSTTYPE_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_EQUZ1-CONSTTYPE_LONG.
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_BAPI_EQUZ1_STR, 
OPERATION TYPE STRING,
EQUIPMENT TYPE STRING,
VALID_TO TYPE STRING,
CONSECNO TYPE STRING,
NXTUSEPD TYPE STRING,
CREAT_DATE TYPE STRING,
CREATED_BY TYPE STRING,
CH_ON TYPE STRING,
CHANGED_BY TYPE STRING,
TIME TYPE STRING,
INTSTAT TYPE STRING,
BUSTRANS TYPE STRING,
NAME TYPE STRING,
DEL_FLAG TYPE STRING,
VALID_FROM TYPE STRING,
PLANPLANT TYPE STRING,
PLANPLANT_I TYPE STRING,
CONSTTYPE TYPE STRING,
MANPARNO TYPE STRING,
SUPEREQUI TYPE STRING,
POSEQUI TYPE STRING,
PLANGROUP TYPE STRING,
PLANGROUP_I TYPE STRING,
TYPE TYPE STRING,
PM_WKCTR TYPE STRING,
PM_WKCTR_I TYPE STRING,
TECHID TYPE STRING,
TECHID_I TYPE STRING,
LOC_ACC TYPE STRING,
CUSTOMER TYPE STRING,
ENDCUSTOM TYPE STRING,
OPERATOR TYPE STRING,
LICENSE TYPE STRING,
CATPROFILE TYPE STRING,
INFO_DATE TYPE STRING,
NOTE TYPE STRING,
INFO_NUMBER TYPE STRING,
ORIGIN TYPE STRING,
PHYSINVENTORY TYPE STRING,
DOC_DATE TYPE STRING,
CONSTTYPE_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_EQUZ1_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_BAPI_EQUZ1_STR-OPERATION sy-vline 
WA_BAPI_EQUZ1_STR-EQUIPMENT sy-vline 
WA_BAPI_EQUZ1_STR-VALID_TO sy-vline 
WA_BAPI_EQUZ1_STR-CONSECNO sy-vline 
WA_BAPI_EQUZ1_STR-NXTUSEPD sy-vline 
WA_BAPI_EQUZ1_STR-CREAT_DATE sy-vline 
WA_BAPI_EQUZ1_STR-CREATED_BY sy-vline 
WA_BAPI_EQUZ1_STR-CH_ON sy-vline 
WA_BAPI_EQUZ1_STR-CHANGED_BY sy-vline 
WA_BAPI_EQUZ1_STR-TIME sy-vline 
WA_BAPI_EQUZ1_STR-INTSTAT sy-vline 
WA_BAPI_EQUZ1_STR-BUSTRANS sy-vline 
WA_BAPI_EQUZ1_STR-NAME sy-vline 
WA_BAPI_EQUZ1_STR-DEL_FLAG sy-vline 
WA_BAPI_EQUZ1_STR-VALID_FROM sy-vline 
WA_BAPI_EQUZ1_STR-PLANPLANT sy-vline 
WA_BAPI_EQUZ1_STR-PLANPLANT_I sy-vline 
WA_BAPI_EQUZ1_STR-CONSTTYPE sy-vline 
WA_BAPI_EQUZ1_STR-MANPARNO sy-vline 
WA_BAPI_EQUZ1_STR-SUPEREQUI sy-vline 
WA_BAPI_EQUZ1_STR-POSEQUI sy-vline 
WA_BAPI_EQUZ1_STR-PLANGROUP sy-vline 
WA_BAPI_EQUZ1_STR-PLANGROUP_I sy-vline 
WA_BAPI_EQUZ1_STR-TYPE sy-vline 
WA_BAPI_EQUZ1_STR-PM_WKCTR sy-vline 
WA_BAPI_EQUZ1_STR-PM_WKCTR_I sy-vline 
WA_BAPI_EQUZ1_STR-TECHID sy-vline 
WA_BAPI_EQUZ1_STR-TECHID_I sy-vline 
WA_BAPI_EQUZ1_STR-LOC_ACC sy-vline 
WA_BAPI_EQUZ1_STR-CUSTOMER sy-vline 
WA_BAPI_EQUZ1_STR-ENDCUSTOM sy-vline 
WA_BAPI_EQUZ1_STR-OPERATOR sy-vline 
WA_BAPI_EQUZ1_STR-LICENSE sy-vline 
WA_BAPI_EQUZ1_STR-CATPROFILE sy-vline 
WA_BAPI_EQUZ1_STR-INFO_DATE sy-vline 
WA_BAPI_EQUZ1_STR-NOTE sy-vline 
WA_BAPI_EQUZ1_STR-INFO_NUMBER sy-vline 
WA_BAPI_EQUZ1_STR-ORIGIN sy-vline 
WA_BAPI_EQUZ1_STR-PHYSINVENTORY sy-vline 
WA_BAPI_EQUZ1_STR-DOC_DATE sy-vline 
WA_BAPI_EQUZ1_STR-CONSTTYPE_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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