ABAP Select data from SAP table /ISDFPS/E1EQUZ into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ISDFPS/E1EQUZ 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 /ISDFPS/E1EQUZ. 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 /ISDFPS/E1EQUZ 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_/ISDFPS/E1EQUZ TYPE STANDARD TABLE OF /ISDFPS/E1EQUZ,
      WA_/ISDFPS/E1EQUZ TYPE /ISDFPS/E1EQUZ,
      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: </ISDFPS/E1EQUZ> TYPE /ISDFPS/E1EQUZ.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/ISDFPS/E1EQUZ.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ISDFPS/E1EQUZ
  INTO TABLE IT_/ISDFPS/E1EQUZ.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/E1EQUZ
*  INTO TABLE @DATA(IT_/ISDFPS/E1EQUZ2).
*--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_/ISDFPS/E1EQUZ INDEX 1 INTO DATA(WA_/ISDFPS/E1EQUZ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ISDFPS/E1EQUZ ASSIGNING </ISDFPS/E1EQUZ>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/E1EQUZ>-MANDT = 1.
</ISDFPS/E1EQUZ>-EQUNR = 1.
</ISDFPS/E1EQUZ>-DATBI = 1.
</ISDFPS/E1EQUZ>-EQLFN = 1.
</ISDFPS/E1EQUZ>-EQUZN = 1.

ENDLOOP.

LOOP AT IT_/ISDFPS/E1EQUZ INTO WA_/ISDFPS/E1EQUZ.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/E1EQUZ-ERDAT, sy-vline,
  WA_/ISDFPS/E1EQUZ-ERNAM, sy-vline,
  WA_/ISDFPS/E1EQUZ-AEDAT, sy-vline,
  WA_/ISDFPS/E1EQUZ-AENAM, sy-vline,
  WA_/ISDFPS/E1EQUZ-TIMBI, sy-vline,
  WA_/ISDFPS/E1EQUZ-ESTAI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/E1EQUZ 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_/ISDFPS/E1EQUZ 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_/ISDFPS/E1EQUZ INTO WA_/ISDFPS/E1EQUZ.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/ISDFPS/E1EQUZ_STR, 
MANDT TYPE STRING,
EQUNR TYPE STRING,
DATBI TYPE STRING,
EQLFN TYPE STRING,
EQUZN TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
TIMBI TYPE STRING,
ESTAI TYPE STRING,
ESTAE TYPE STRING,
STNAM TYPE STRING,
LVORM TYPE STRING,
DATAB TYPE STRING,
IWERK TYPE STRING,
IWERKI TYPE STRING,
SUBMT TYPE STRING,
MAPAR TYPE STRING,
HEQUI TYPE STRING,
HEQNR TYPE STRING,
INGRP TYPE STRING,
INGRPI TYPE STRING,
PM_OBJTY TYPE STRING,
GEWRK TYPE STRING,
GEWRKI TYPE STRING,
TIDNR TYPE STRING,
TIDNRI TYPE STRING,
ILOAN TYPE STRING,
KUND1 TYPE STRING,
KUND2 TYPE STRING,
KUND3 TYPE STRING,
LIZNR TYPE STRING,
RBNR TYPE STRING,
EZDAT TYPE STRING,
EZBER TYPE STRING,
EZNUM TYPE STRING,
RBNR_I TYPE STRING,
IBLNR TYPE STRING,
BLDAT TYPE STRING,
PVS_FOCUS TYPE STRING,
PPEGUID TYPE STRING,
TECHS TYPE STRING,
FUNCID TYPE STRING,
FRCFIT TYPE STRING,
FRCRMV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/E1EQUZ_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_/ISDFPS/E1EQUZ_STR-MANDT sy-vline 
WA_/ISDFPS/E1EQUZ_STR-EQUNR sy-vline 
WA_/ISDFPS/E1EQUZ_STR-DATBI sy-vline 
WA_/ISDFPS/E1EQUZ_STR-EQLFN sy-vline 
WA_/ISDFPS/E1EQUZ_STR-EQUZN sy-vline 
WA_/ISDFPS/E1EQUZ_STR-ERDAT sy-vline 
WA_/ISDFPS/E1EQUZ_STR-ERNAM sy-vline 
WA_/ISDFPS/E1EQUZ_STR-AEDAT sy-vline 
WA_/ISDFPS/E1EQUZ_STR-AENAM sy-vline 
WA_/ISDFPS/E1EQUZ_STR-TIMBI sy-vline 
WA_/ISDFPS/E1EQUZ_STR-ESTAI sy-vline 
WA_/ISDFPS/E1EQUZ_STR-ESTAE sy-vline 
WA_/ISDFPS/E1EQUZ_STR-STNAM sy-vline 
WA_/ISDFPS/E1EQUZ_STR-LVORM sy-vline 
WA_/ISDFPS/E1EQUZ_STR-DATAB sy-vline 
WA_/ISDFPS/E1EQUZ_STR-IWERK sy-vline 
WA_/ISDFPS/E1EQUZ_STR-IWERKI sy-vline 
WA_/ISDFPS/E1EQUZ_STR-SUBMT sy-vline 
WA_/ISDFPS/E1EQUZ_STR-MAPAR sy-vline 
WA_/ISDFPS/E1EQUZ_STR-HEQUI sy-vline 
WA_/ISDFPS/E1EQUZ_STR-HEQNR sy-vline 
WA_/ISDFPS/E1EQUZ_STR-INGRP sy-vline 
WA_/ISDFPS/E1EQUZ_STR-INGRPI sy-vline 
WA_/ISDFPS/E1EQUZ_STR-PM_OBJTY sy-vline 
WA_/ISDFPS/E1EQUZ_STR-GEWRK sy-vline 
WA_/ISDFPS/E1EQUZ_STR-GEWRKI sy-vline 
WA_/ISDFPS/E1EQUZ_STR-TIDNR sy-vline 
WA_/ISDFPS/E1EQUZ_STR-TIDNRI sy-vline 
WA_/ISDFPS/E1EQUZ_STR-ILOAN sy-vline 
WA_/ISDFPS/E1EQUZ_STR-KUND1 sy-vline 
WA_/ISDFPS/E1EQUZ_STR-KUND2 sy-vline 
WA_/ISDFPS/E1EQUZ_STR-KUND3 sy-vline 
WA_/ISDFPS/E1EQUZ_STR-LIZNR sy-vline 
WA_/ISDFPS/E1EQUZ_STR-RBNR sy-vline 
WA_/ISDFPS/E1EQUZ_STR-EZDAT sy-vline 
WA_/ISDFPS/E1EQUZ_STR-EZBER sy-vline 
WA_/ISDFPS/E1EQUZ_STR-EZNUM sy-vline 
WA_/ISDFPS/E1EQUZ_STR-RBNR_I sy-vline 
WA_/ISDFPS/E1EQUZ_STR-IBLNR sy-vline 
WA_/ISDFPS/E1EQUZ_STR-BLDAT sy-vline 
WA_/ISDFPS/E1EQUZ_STR-PVS_FOCUS sy-vline 
WA_/ISDFPS/E1EQUZ_STR-PPEGUID sy-vline 
WA_/ISDFPS/E1EQUZ_STR-TECHS sy-vline 
WA_/ISDFPS/E1EQUZ_STR-FUNCID sy-vline 
WA_/ISDFPS/E1EQUZ_STR-FRCFIT sy-vline 
WA_/ISDFPS/E1EQUZ_STR-FRCRMV sy-vline      INTO ld_text SEPARATED BY SPACE.

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