ABAP Select data from SAP table RPCP01Q0_ETPTAB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPCP01Q0_ETPTAB 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 RPCP01Q0_ETPTAB. 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 RPCP01Q0_ETPTAB 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_RPCP01Q0_ETPTAB TYPE STANDARD TABLE OF RPCP01Q0_ETPTAB,
      WA_RPCP01Q0_ETPTAB TYPE RPCP01Q0_ETPTAB,
      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: <RPCP01Q0_ETPTAB> TYPE RPCP01Q0_ETPTAB.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPCP01Q0_ETPTAB.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPCP01Q0_ETPTAB
  INTO TABLE IT_RPCP01Q0_ETPTAB.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPCP01Q0_ETPTAB
*  INTO TABLE @DATA(IT_RPCP01Q0_ETPTAB2).
*--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_RPCP01Q0_ETPTAB INDEX 1 INTO DATA(WA_RPCP01Q0_ETPTAB2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPCP01Q0_ETPTAB ASSIGNING <RPCP01Q0_ETPTAB>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPCP01Q0_ETPTAB>-PERNR = 1.
<RPCP01Q0_ETPTAB>-ABNUM = 1.
<RPCP01Q0_ETPTAB>-BRNUM = 1.
<RPCP01Q0_ETPTAB>-PSFYR = 1.
<RPCP01Q0_ETPTAB>-GEMNM = 1.

ENDLOOP.

LOOP AT IT_RPCP01Q0_ETPTAB INTO WA_RPCP01Q0_ETPTAB.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPCP01Q0_ETPTAB-TAXFN, sy-vline,
  WA_RPCP01Q0_ETPTAB-GBDAT, sy-vline,
  WA_RPCP01Q0_ETPTAB-NACHN, sy-vline,
  WA_RPCP01Q0_ETPTAB-VORNA, sy-vline,
  WA_RPCP01Q0_ETPTAB-MIDNM, sy-vline,
  WA_RPCP01Q0_ETPTAB-EDITN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPCP01Q0_ETPTAB 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_RPCP01Q0_ETPTAB 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_RPCP01Q0_ETPTAB INTO WA_RPCP01Q0_ETPTAB.


*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_RPCP01Q0_ETPTAB_STR, 
PERNR TYPE STRING,
ABNUM TYPE STRING,
BRNUM TYPE STRING,
PSFYR TYPE STRING,
GEMNM TYPE STRING,
TAXFN TYPE STRING,
GBDAT TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
MIDNM TYPE STRING,
EDITN TYPE STRING,
ADDRESS TYPE STRING,
LOCAT TYPE STRING,
ORT01 TYPE STRING,
STATE TYPE STRING,
PSTLZ TYPE STRING,
BEGDT TYPE STRING,
ENDDT TYPE STRING,
SEQNR TYPE STRING,
GSIGN TYPE STRING,
NEG_PMTS TYPE STRING,
ANREX TYPE STRING,
LANDX TYPE STRING,
GEAD1 TYPE STRING,
GEAD2 TYPE STRING,
GEORT TYPE STRING,
GEREG TYPE STRING,
GEPLZ TYPE STRING,
DTPAY TYPE STRING,
SSTDT TYPE STRING,
DPR83 TYPE STRING,
DPO83 TYPE STRING,
APR83 TYPE STRING,
APO83 TYPE STRING,
PYT83 TYPE STRING,
LSUMC TYPE STRING,
TAXLC TYPE STRING,
ASSAM TYPE STRING,
PYCGT TYPE STRING,
PYNQC TYPE STRING,
PYCON TYPE STRING,
PYDEA TYPE STRING,
PYDTY TYPE STRING,
GECNM TYPE STRING,
GECPH TYPE STRING,
APO94 TYPE STRING,
ETTXC TYPE STRING,
ETTFC TYPE STRING,
ETPTP TYPE STRING,
ETPFYR TYPE STRING,
SPLIT TYPE STRING,
TAXTR TYPE STRING,
TAXLB TYPE STRING,
TAXDB TYPE STRING,
TCPTR TYPE STRING,
TCPLB TYPE STRING,
TCPDB TYPE STRING,
TFPTR TYPE STRING,
TFPLB TYPE STRING,
TFPDB TYPE STRING,
AMEND TYPE STRING,
LAND1 TYPE STRING,
PCODE TYPE STRING,
TAXXC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPCP01Q0_ETPTAB_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_RPCP01Q0_ETPTAB_STR-PERNR sy-vline 
WA_RPCP01Q0_ETPTAB_STR-ABNUM sy-vline 
WA_RPCP01Q0_ETPTAB_STR-BRNUM sy-vline 
WA_RPCP01Q0_ETPTAB_STR-PSFYR sy-vline 
WA_RPCP01Q0_ETPTAB_STR-GEMNM sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TAXFN sy-vline 
WA_RPCP01Q0_ETPTAB_STR-GBDAT sy-vline 
WA_RPCP01Q0_ETPTAB_STR-NACHN sy-vline 
WA_RPCP01Q0_ETPTAB_STR-VORNA sy-vline 
WA_RPCP01Q0_ETPTAB_STR-MIDNM sy-vline 
WA_RPCP01Q0_ETPTAB_STR-EDITN sy-vline 
WA_RPCP01Q0_ETPTAB_STR-ADDRESS sy-vline 
WA_RPCP01Q0_ETPTAB_STR-LOCAT sy-vline 
WA_RPCP01Q0_ETPTAB_STR-ORT01 sy-vline 
WA_RPCP01Q0_ETPTAB_STR-STATE sy-vline 
WA_RPCP01Q0_ETPTAB_STR-PSTLZ sy-vline 
WA_RPCP01Q0_ETPTAB_STR-BEGDT sy-vline 
WA_RPCP01Q0_ETPTAB_STR-ENDDT sy-vline 
WA_RPCP01Q0_ETPTAB_STR-SEQNR sy-vline 
WA_RPCP01Q0_ETPTAB_STR-GSIGN sy-vline 
WA_RPCP01Q0_ETPTAB_STR-NEG_PMTS sy-vline 
WA_RPCP01Q0_ETPTAB_STR-ANREX sy-vline 
WA_RPCP01Q0_ETPTAB_STR-LANDX sy-vline 
WA_RPCP01Q0_ETPTAB_STR-GEAD1 sy-vline 
WA_RPCP01Q0_ETPTAB_STR-GEAD2 sy-vline 
WA_RPCP01Q0_ETPTAB_STR-GEORT sy-vline 
WA_RPCP01Q0_ETPTAB_STR-GEREG sy-vline 
WA_RPCP01Q0_ETPTAB_STR-GEPLZ sy-vline 
WA_RPCP01Q0_ETPTAB_STR-DTPAY sy-vline 
WA_RPCP01Q0_ETPTAB_STR-SSTDT sy-vline 
WA_RPCP01Q0_ETPTAB_STR-DPR83 sy-vline 
WA_RPCP01Q0_ETPTAB_STR-DPO83 sy-vline 
WA_RPCP01Q0_ETPTAB_STR-APR83 sy-vline 
WA_RPCP01Q0_ETPTAB_STR-APO83 sy-vline 
WA_RPCP01Q0_ETPTAB_STR-PYT83 sy-vline 
WA_RPCP01Q0_ETPTAB_STR-LSUMC sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TAXLC sy-vline 
WA_RPCP01Q0_ETPTAB_STR-ASSAM sy-vline 
WA_RPCP01Q0_ETPTAB_STR-PYCGT sy-vline 
WA_RPCP01Q0_ETPTAB_STR-PYNQC sy-vline 
WA_RPCP01Q0_ETPTAB_STR-PYCON sy-vline 
WA_RPCP01Q0_ETPTAB_STR-PYDEA sy-vline 
WA_RPCP01Q0_ETPTAB_STR-PYDTY sy-vline 
WA_RPCP01Q0_ETPTAB_STR-GECNM sy-vline 
WA_RPCP01Q0_ETPTAB_STR-GECPH sy-vline 
WA_RPCP01Q0_ETPTAB_STR-APO94 sy-vline 
WA_RPCP01Q0_ETPTAB_STR-ETTXC sy-vline 
WA_RPCP01Q0_ETPTAB_STR-ETTFC sy-vline 
WA_RPCP01Q0_ETPTAB_STR-ETPTP sy-vline 
WA_RPCP01Q0_ETPTAB_STR-ETPFYR sy-vline 
WA_RPCP01Q0_ETPTAB_STR-SPLIT sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TAXTR sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TAXLB sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TAXDB sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TCPTR sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TCPLB sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TCPDB sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TFPTR sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TFPLB sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TFPDB sy-vline 
WA_RPCP01Q0_ETPTAB_STR-AMEND sy-vline 
WA_RPCP01Q0_ETPTAB_STR-LAND1 sy-vline 
WA_RPCP01Q0_ETPTAB_STR-PCODE sy-vline 
WA_RPCP01Q0_ETPTAB_STR-TAXXC sy-vline      INTO ld_text SEPARATED BY SPACE.

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