ABAP Select data from SAP table /SAPAPO/EXT_MATKEYX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/EXT_MATKEYX
*  INTO TABLE @DATA(IT_/SAPAPO/EXT_MATKEYX2).
*--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_/SAPAPO/EXT_MATKEYX INDEX 1 INTO DATA(WA_/SAPAPO/EXT_MATKEYX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/EXT_MATKEYX>-METHOD = 1.
</SAPAPO/EXT_MATKEYX>-EXT_MATNR = 1.
</SAPAPO/EXT_MATKEYX>-PRODUCT_TYPE = 1.
</SAPAPO/EXT_MATKEYX>-MATGUID = 1.
</SAPAPO/EXT_MATKEYX>-MATNRLONG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/EXT_MATKEYX-MATVERS, sy-vline,
  WA_/SAPAPO/EXT_MATKEYX-MHDLP, sy-vline,
  WA_/SAPAPO/EXT_MATKEYX-MEINS, sy-vline,
  WA_/SAPAPO/EXT_MATKEYX-ATTYP, sy-vline,
  WA_/SAPAPO/EXT_MATKEYX-LOGUNIT, sy-vline,
  WA_/SAPAPO/EXT_MATKEYX-CWREL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/EXT_MATKEYX 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_/SAPAPO/EXT_MATKEYX 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_/SAPAPO/EXT_MATKEYX INTO WA_/SAPAPO/EXT_MATKEYX.


*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_/SAPAPO/EXT_MATKEYX_STR, 
METHOD TYPE STRING,
EXT_MATNR TYPE STRING,
PRODUCT_TYPE TYPE STRING,
MATGUID TYPE STRING,
MATNRLONG TYPE STRING,
MATVERS TYPE STRING,
MHDLP TYPE STRING,
MEINS TYPE STRING,
ATTYP TYPE STRING,
LOGUNIT TYPE STRING,
CWREL TYPE STRING,
TY2TQ TYPE STRING,
BRGEW TYPE STRING,
NTGEW TYPE STRING,
GEWEI TYPE STRING,
VOLUM TYPE STRING,
VOLEH TYPE STRING,
SHELF_LIFE_DUR TYPE STRING,
MATURITY_DUR TYPE STRING,
SHELF_LIFE_FLAG TYPE STRING,
SHLF_LFE_REQ_MIN TYPE STRING,
SHLF_LFE_REQ_MAX TYPE STRING,
IPRKZ TYPE STRING,
ATT01 TYPE STRING,
ATT02 TYPE STRING,
ATT03 TYPE STRING,
ATT04 TYPE STRING,
ATT05 TYPE STRING,
MATKL TYPE STRING,
DISST TYPE STRING,
COMPL TYPE STRING,
STFAC TYPE STRING,
TRAGR TYPE STRING,
TS_SDP_USE TYPE STRING,
KOSCH TYPE STRING,
KOSCH_GRP TYPE STRING,
VMIKOSCH TYPE STRING,
VMIKOSCH_GRP TYPE STRING,
CUOBJ_TYPE TYPE STRING,
CUOBJ_ID TYPE STRING,
SATNR TYPE STRING,
KZKFG TYPE STRING,
CFGSYS TYPE STRING,
MATVERS_HEAD TYPE STRING,
MATVERS_TYPE TYPE STRING,
MATVERS_CHNR TYPE STRING,
GTIN_IND TYPE STRING,
PRDHA TYPE STRING,
MAXW TYPE STRING,
MAXW_UOM TYPE STRING,
MAXW_TOL TYPE STRING,
MAXV TYPE STRING,
MAXV_UOM TYPE STRING,
MAXV_TOL TYPE STRING,
PMTYP TYPE STRING,
CLOSED_PM TYPE STRING,
MAX_FILL_UP TYPE STRING,
HUTYP TYPE STRING,
TARE_VAR TYPE STRING,
MAXC TYPE STRING,
MAXC_TOL TYPE STRING,
MAXL TYPE STRING,
MAXB TYPE STRING,
MAXH TYPE STRING,
MAXDIM_UOM TYPE STRING,
RMATP TYPE STRING,
PACKGR TYPE STRING,
EXTRMATP TYPE STRING,
DISPLAY TYPE STRING,
PILFERABLE TYPE STRING,
WHMATGR TYPE STRING,
WHSTC TYPE STRING,
HNDLCODE TYPE STRING,
ENVREL TYPE STRING,
DGPROFL TYPE STRING,
HAZMAT TYPE STRING,
ITMTPG TYPE STRING,
CWTOLGR TYPE STRING,
CWPROC TYPE STRING,
MFRGR TYPE STRING,
HERKL TYPE STRING,
KITCOMP TYPE STRING,
BOD_DEPLVL TYPE STRING,
EXCL_EXPEDITE TYPE STRING,
PROD_PAOOPT TYPE STRING,
RESTRICT_INVBAL TYPE STRING,
NEWPROD_INDI TYPE STRING,
NEWMODEL_INDI TYPE STRING,
PRD_STARTDT TYPE STRING,
PRD_ENDDT TYPE STRING,
WTY_STARTDT TYPE STRING,
WTY_ENDDT TYPE STRING,
RECALL_STARTDT TYPE STRING,
RECALL_ENDDT TYPE STRING,
FLDFIX_STARTDT TYPE STRING,
FLDFIX_ENDDT TYPE STRING,
LASTPO TYPE STRING,
RETQTY_HOR TYPE STRING,
RETGRPID TYPE STRING,
OBSLTIND TYPE STRING,
NOSRPLNG_DT TYPE STRING,
SORSELDOS TYPE STRING,
BATCH_REQ TYPE STRING,
HUTYP_DFLT TYPE STRING,
PRDSET_IND TYPE STRING,
TEMPRPBLOCK TYPE STRING,
TEMPRPFROM TYPE STRING,
TEMPRPTO TYPE STRING,
QQTIME TYPE STRING,
QQTIMEUOM TYPE STRING,
QGRP TYPE STRING,
SERIAL TYPE STRING,
PS_SMARTFORM TYPE STRING,
SLED_BBD TYPE STRING,
SLDRND TYPE STRING,
REPAIR_COST TYPE STRING,
UNSRV_RETURNS_TIME TYPE STRING,
RETURNS_PRCT TYPE STRING,
REPAIR_RETURNS_PRCT TYPE STRING,
REPAIR_TIME_INTERNAL TYPE STRING,
REPAIR_TIME_BUFFER TYPE STRING,
REPAIR_LATE_COVER_COST TYPE STRING,
REPAIR_SWITCH TYPE STRING,
REPAIR_PROC_TYPE TYPE STRING,
REP_RETS_FCST_IND TYPE STRING,
DATA_CHECKED TYPE STRING,
DATA_CHECK_BY TYPE STRING,
DATA_CHECK_AT TYPE STRING,
PS_PDF_FORM TYPE STRING,
MEDI_APROF TYPE STRING,
DRP_GL_STOCK TYPE STRING,
PUOM TYPE STRING,
MTART TYPE STRING,
KLART TYPE STRING,
CLASS TYPE STRING,
PLANT_BATCH_HANDLING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/EXT_MATKEYX_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_/SAPAPO/EXT_MATKEYX_STR-METHOD sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-EXT_MATNR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PRODUCT_TYPE sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MATGUID sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MATNRLONG sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MATVERS sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MHDLP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MEINS sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-ATTYP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-LOGUNIT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-CWREL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-TY2TQ sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-BRGEW sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-NTGEW sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-GEWEI sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-VOLUM sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-VOLEH sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-SHELF_LIFE_DUR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MATURITY_DUR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-SHELF_LIFE_FLAG sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-SHLF_LFE_REQ_MIN sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-SHLF_LFE_REQ_MAX sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-IPRKZ sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-ATT01 sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-ATT02 sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-ATT03 sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-ATT04 sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-ATT05 sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MATKL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-DISST sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-COMPL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-STFAC sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-TRAGR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-TS_SDP_USE sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-KOSCH sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-KOSCH_GRP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-VMIKOSCH sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-VMIKOSCH_GRP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-CUOBJ_TYPE sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-CUOBJ_ID sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-SATNR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-KZKFG sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-CFGSYS sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MATVERS_HEAD sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MATVERS_TYPE sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MATVERS_CHNR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-GTIN_IND sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PRDHA sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXW sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXW_UOM sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXW_TOL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXV sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXV_UOM sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXV_TOL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PMTYP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-CLOSED_PM sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAX_FILL_UP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-HUTYP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-TARE_VAR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXC sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXC_TOL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXB sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXH sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MAXDIM_UOM sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-RMATP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PACKGR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-EXTRMATP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-DISPLAY sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PILFERABLE sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-WHMATGR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-WHSTC sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-HNDLCODE sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-ENVREL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-DGPROFL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-HAZMAT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-ITMTPG sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-CWTOLGR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-CWPROC sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MFRGR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-HERKL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-KITCOMP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-BOD_DEPLVL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-EXCL_EXPEDITE sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PROD_PAOOPT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-RESTRICT_INVBAL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-NEWPROD_INDI sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-NEWMODEL_INDI sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PRD_STARTDT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PRD_ENDDT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-WTY_STARTDT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-WTY_ENDDT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-RECALL_STARTDT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-RECALL_ENDDT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-FLDFIX_STARTDT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-FLDFIX_ENDDT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-LASTPO sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-RETQTY_HOR sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-RETGRPID sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-OBSLTIND sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-NOSRPLNG_DT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-SORSELDOS sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-BATCH_REQ sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-HUTYP_DFLT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PRDSET_IND sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-TEMPRPBLOCK sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-TEMPRPFROM sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-TEMPRPTO sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-QQTIME sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-QQTIMEUOM sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-QGRP sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-SERIAL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PS_SMARTFORM sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-SLED_BBD sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-SLDRND sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-REPAIR_COST sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-UNSRV_RETURNS_TIME sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-RETURNS_PRCT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-REPAIR_RETURNS_PRCT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-REPAIR_TIME_INTERNAL sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-REPAIR_TIME_BUFFER sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-REPAIR_LATE_COVER_COST sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-REPAIR_SWITCH sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-REPAIR_PROC_TYPE sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-REP_RETS_FCST_IND sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-DATA_CHECKED sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-DATA_CHECK_BY sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-DATA_CHECK_AT sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PS_PDF_FORM sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MEDI_APROF sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-DRP_GL_STOCK sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PUOM sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-MTART sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-KLART sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-CLASS sy-vline 
WA_/SAPAPO/EXT_MATKEYX_STR-PLANT_BATCH_HANDLING sy-vline      INTO ld_text SEPARATED BY SPACE.

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