ABAP Select data from SAP table MCJHAKB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MCJHAKB
*  INTO TABLE @DATA(IT_MCJHAKB2).
*--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_MCJHAKB INDEX 1 INTO DATA(WA_MCJHAKB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MCJHAKB>-SUPKZ = 1.
<MCJHAKB>-MANDT = 1.
<MCJHAKB>-AVM_NR = 1.
<MCJHAKB>-GPAG = 1.
<MCJHAKB>-ANGDT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MCJHAKB-BNDDT, sy-vline,
  WA_MCJHAKB-AUDAT, sy-vline,
  WA_MCJHAKB-VBTYP, sy-vline,
  WA_MCJHAKB-TRVOG, sy-vline,
  WA_MCJHAKB-AUART, sy-vline,
  WA_MCJHAKB-AUGRU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MCJHAKB 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_MCJHAKB 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_MCJHAKB INTO WA_MCJHAKB.


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

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

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

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

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

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

*Conversion exit VERMK, internal->external for field VERMITTLER
CALL FUNCTION 'CONVERSION_EXIT_VERMK_OUTPUT'
  EXPORTING
    input =                      WA_MCJHAKB-VERMITTLER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCJHAKB-VERMITTLER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field RAB4_MEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MCJHAKB-RAB4_MEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCJHAKB-RAB4_MEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZUS4_MEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MCJHAKB-ZUS4_MEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCJHAKB-ZUS4_MEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field FPRG_MEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MCJHAKB-FPRG_MEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCJHAKB-FPRG_MEIN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SD_VBELN_VA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MCJHAKB-SD_VBELN_VA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCJHAKB-SD_VBELN_VA.
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_MCJHAKB_STR, 
SUPKZ TYPE STRING,
MANDT TYPE STRING,
AVM_NR TYPE STRING,
GPAG TYPE STRING,
ANGDT TYPE STRING,
BNDDT TYPE STRING,
AUDAT TYPE STRING,
VBTYP TYPE STRING,
TRVOG TYPE STRING,
AUART TYPE STRING,
AUGRU TYPE STRING,
WAEHRG TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VKGRP TYPE STRING,
VKBUR TYPE STRING,
GSBER TYPE STRING,
GSKST TYPE STRING,
KNUMV TYPE STRING,
KALSM TYPE STRING,
FKARA TYPE STRING,
STAFO TYPE STRING,
STWAE TYPE STRING,
KKBER TYPE STRING,
KNKLI TYPE STRING,
GRUPP TYPE STRING,
SBGRP TYPE STRING,
CTLPC TYPE STRING,
CMWAE TYPE STRING,
CMFRE TYPE STRING,
MANUSERF TYPE STRING,
MAN_VKBUR TYPE STRING,
REF_AVM_NR TYPE STRING,
SUC_AVM_NR TYPE STRING,
FRD_AVM_NR TYPE STRING,
STATUSK TYPE STRING,
NOTIZKNZ TYPE STRING,
AENVERS_NR TYPE STRING,
AENVERS_NR_OL TYPE STRING,
AEVER_NR_OL_LAST TYPE STRING,
AVM_HRKNFT TYPE STRING,
VERMITTLER TYPE STRING,
VNR TYPE STRING,
BEDNR TYPE STRING,
PROSL TYPE STRING,
XUVKPV TYPE STRING,
ERFUSER TYPE STRING,
ERFDATE TYPE STRING,
ERFTIME TYPE STRING,
AENUSER TYPE STRING,
AENDATE TYPE STRING,
AENTIME TYPE STRING,
RAB1_BETR TYPE STRING,
RAB1_GRUND TYPE STRING,
RAB1_BKTYP TYPE STRING,
RAB2_BETR TYPE STRING,
RAB2_GRUND TYPE STRING,
RAB2_BKTYP TYPE STRING,
RAB3_BETR TYPE STRING,
RAB3_GRUND TYPE STRING,
RAB3_BKTYP TYPE STRING,
RAB4_BETR TYPE STRING,
RAB4_PEIN TYPE STRING,
RAB4_MEIN TYPE STRING,
RAB4_GRUND TYPE STRING,
RAB4_BKTYP TYPE STRING,
RAB5_BETR TYPE STRING,
RAB5_GRUND TYPE STRING,
RAB5_BKTYP TYPE STRING,
RABE_BETR TYPE STRING,
RABE_GRUND TYPE STRING,
RABE_BKTYP TYPE STRING,
ZUS1_BETR TYPE STRING,
ZUS1_GRUND TYPE STRING,
ZUS1_BKTYP TYPE STRING,
ZUS2_BETR TYPE STRING,
ZUS2_GRUND TYPE STRING,
ZUS2_BKTYP TYPE STRING,
ZUS3_BETR TYPE STRING,
ZUS3_GRUND TYPE STRING,
ZUS3_BKTYP TYPE STRING,
ZUS4_BETR TYPE STRING,
ZUS4_PEIN TYPE STRING,
ZUS4_MEIN TYPE STRING,
ZUS4_GRUND TYPE STRING,
ZUS4_BKTYP TYPE STRING,
ZUS5_BETR TYPE STRING,
ZUS5_GRUND TYPE STRING,
ZUS5_BKTYP TYPE STRING,
ZUSE_BETR TYPE STRING,
ZUSE_GRUND TYPE STRING,
ZUSE_BKTYP TYPE STRING,
FPRG_BETR TYPE STRING,
FPRG_PEIN TYPE STRING,
FPRG_MEIN TYPE STRING,
FPRG_GRUND TYPE STRING,
FPRG_BKTYP TYPE STRING,
FPR1_BETR TYPE STRING,
FPR1_GRUND TYPE STRING,
FPR1_BKTYP TYPE STRING,
XRABZU TYPE STRING,
WAER_IPZA TYPE STRING,
XUZUO_LOE TYPE STRING,
BSTNK TYPE STRING,
BSARK TYPE STRING,
BSTDK TYPE STRING,
BSTZD TYPE STRING,
IHREZ TYPE STRING,
BNAME TYPE STRING,
TELF1 TYPE STRING,
TELFX TYPE STRING,
PARNR TYPE STRING,
ZUKOMM TYPE STRING,
AVMUPD_CAL TYPE STRING,
AVMUPD_EVN TYPE STRING,
SD_VBELN_VA TYPE STRING,
SD_NEWGL_STA TYPE STRING,
BUKRS TYPE STRING,
HWAER TYPE STRING,
STGKU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MCJHAKB_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_MCJHAKB_STR-SUPKZ sy-vline 
WA_MCJHAKB_STR-MANDT sy-vline 
WA_MCJHAKB_STR-AVM_NR sy-vline 
WA_MCJHAKB_STR-GPAG sy-vline 
WA_MCJHAKB_STR-ANGDT sy-vline 
WA_MCJHAKB_STR-BNDDT sy-vline 
WA_MCJHAKB_STR-AUDAT sy-vline 
WA_MCJHAKB_STR-VBTYP sy-vline 
WA_MCJHAKB_STR-TRVOG sy-vline 
WA_MCJHAKB_STR-AUART sy-vline 
WA_MCJHAKB_STR-AUGRU sy-vline 
WA_MCJHAKB_STR-WAEHRG sy-vline 
WA_MCJHAKB_STR-VKORG sy-vline 
WA_MCJHAKB_STR-VTWEG sy-vline 
WA_MCJHAKB_STR-SPART sy-vline 
WA_MCJHAKB_STR-VKGRP sy-vline 
WA_MCJHAKB_STR-VKBUR sy-vline 
WA_MCJHAKB_STR-GSBER sy-vline 
WA_MCJHAKB_STR-GSKST sy-vline 
WA_MCJHAKB_STR-KNUMV sy-vline 
WA_MCJHAKB_STR-KALSM sy-vline 
WA_MCJHAKB_STR-FKARA sy-vline 
WA_MCJHAKB_STR-STAFO sy-vline 
WA_MCJHAKB_STR-STWAE sy-vline 
WA_MCJHAKB_STR-KKBER sy-vline 
WA_MCJHAKB_STR-KNKLI sy-vline 
WA_MCJHAKB_STR-GRUPP sy-vline 
WA_MCJHAKB_STR-SBGRP sy-vline 
WA_MCJHAKB_STR-CTLPC sy-vline 
WA_MCJHAKB_STR-CMWAE sy-vline 
WA_MCJHAKB_STR-CMFRE sy-vline 
WA_MCJHAKB_STR-MANUSERF sy-vline 
WA_MCJHAKB_STR-MAN_VKBUR sy-vline 
WA_MCJHAKB_STR-REF_AVM_NR sy-vline 
WA_MCJHAKB_STR-SUC_AVM_NR sy-vline 
WA_MCJHAKB_STR-FRD_AVM_NR sy-vline 
WA_MCJHAKB_STR-STATUSK sy-vline 
WA_MCJHAKB_STR-NOTIZKNZ sy-vline 
WA_MCJHAKB_STR-AENVERS_NR sy-vline 
WA_MCJHAKB_STR-AENVERS_NR_OL sy-vline 
WA_MCJHAKB_STR-AEVER_NR_OL_LAST sy-vline 
WA_MCJHAKB_STR-AVM_HRKNFT sy-vline 
WA_MCJHAKB_STR-VERMITTLER sy-vline 
WA_MCJHAKB_STR-VNR sy-vline 
WA_MCJHAKB_STR-BEDNR sy-vline 
WA_MCJHAKB_STR-PROSL sy-vline 
WA_MCJHAKB_STR-XUVKPV sy-vline 
WA_MCJHAKB_STR-ERFUSER sy-vline 
WA_MCJHAKB_STR-ERFDATE sy-vline 
WA_MCJHAKB_STR-ERFTIME sy-vline 
WA_MCJHAKB_STR-AENUSER sy-vline 
WA_MCJHAKB_STR-AENDATE sy-vline 
WA_MCJHAKB_STR-AENTIME sy-vline 
WA_MCJHAKB_STR-RAB1_BETR sy-vline 
WA_MCJHAKB_STR-RAB1_GRUND sy-vline 
WA_MCJHAKB_STR-RAB1_BKTYP sy-vline 
WA_MCJHAKB_STR-RAB2_BETR sy-vline 
WA_MCJHAKB_STR-RAB2_GRUND sy-vline 
WA_MCJHAKB_STR-RAB2_BKTYP sy-vline 
WA_MCJHAKB_STR-RAB3_BETR sy-vline 
WA_MCJHAKB_STR-RAB3_GRUND sy-vline 
WA_MCJHAKB_STR-RAB3_BKTYP sy-vline 
WA_MCJHAKB_STR-RAB4_BETR sy-vline 
WA_MCJHAKB_STR-RAB4_PEIN sy-vline 
WA_MCJHAKB_STR-RAB4_MEIN sy-vline 
WA_MCJHAKB_STR-RAB4_GRUND sy-vline 
WA_MCJHAKB_STR-RAB4_BKTYP sy-vline 
WA_MCJHAKB_STR-RAB5_BETR sy-vline 
WA_MCJHAKB_STR-RAB5_GRUND sy-vline 
WA_MCJHAKB_STR-RAB5_BKTYP sy-vline 
WA_MCJHAKB_STR-RABE_BETR sy-vline 
WA_MCJHAKB_STR-RABE_GRUND sy-vline 
WA_MCJHAKB_STR-RABE_BKTYP sy-vline 
WA_MCJHAKB_STR-ZUS1_BETR sy-vline 
WA_MCJHAKB_STR-ZUS1_GRUND sy-vline 
WA_MCJHAKB_STR-ZUS1_BKTYP sy-vline 
WA_MCJHAKB_STR-ZUS2_BETR sy-vline 
WA_MCJHAKB_STR-ZUS2_GRUND sy-vline 
WA_MCJHAKB_STR-ZUS2_BKTYP sy-vline 
WA_MCJHAKB_STR-ZUS3_BETR sy-vline 
WA_MCJHAKB_STR-ZUS3_GRUND sy-vline 
WA_MCJHAKB_STR-ZUS3_BKTYP sy-vline 
WA_MCJHAKB_STR-ZUS4_BETR sy-vline 
WA_MCJHAKB_STR-ZUS4_PEIN sy-vline 
WA_MCJHAKB_STR-ZUS4_MEIN sy-vline 
WA_MCJHAKB_STR-ZUS4_GRUND sy-vline 
WA_MCJHAKB_STR-ZUS4_BKTYP sy-vline 
WA_MCJHAKB_STR-ZUS5_BETR sy-vline 
WA_MCJHAKB_STR-ZUS5_GRUND sy-vline 
WA_MCJHAKB_STR-ZUS5_BKTYP sy-vline 
WA_MCJHAKB_STR-ZUSE_BETR sy-vline 
WA_MCJHAKB_STR-ZUSE_GRUND sy-vline 
WA_MCJHAKB_STR-ZUSE_BKTYP sy-vline 
WA_MCJHAKB_STR-FPRG_BETR sy-vline 
WA_MCJHAKB_STR-FPRG_PEIN sy-vline 
WA_MCJHAKB_STR-FPRG_MEIN sy-vline 
WA_MCJHAKB_STR-FPRG_GRUND sy-vline 
WA_MCJHAKB_STR-FPRG_BKTYP sy-vline 
WA_MCJHAKB_STR-FPR1_BETR sy-vline 
WA_MCJHAKB_STR-FPR1_GRUND sy-vline 
WA_MCJHAKB_STR-FPR1_BKTYP sy-vline 
WA_MCJHAKB_STR-XRABZU sy-vline 
WA_MCJHAKB_STR-WAER_IPZA sy-vline 
WA_MCJHAKB_STR-XUZUO_LOE sy-vline 
WA_MCJHAKB_STR-BSTNK sy-vline 
WA_MCJHAKB_STR-BSARK sy-vline 
WA_MCJHAKB_STR-BSTDK sy-vline 
WA_MCJHAKB_STR-BSTZD sy-vline 
WA_MCJHAKB_STR-IHREZ sy-vline 
WA_MCJHAKB_STR-BNAME sy-vline 
WA_MCJHAKB_STR-TELF1 sy-vline 
WA_MCJHAKB_STR-TELFX sy-vline 
WA_MCJHAKB_STR-PARNR sy-vline 
WA_MCJHAKB_STR-ZUKOMM sy-vline 
WA_MCJHAKB_STR-AVMUPD_CAL sy-vline 
WA_MCJHAKB_STR-AVMUPD_EVN sy-vline 
WA_MCJHAKB_STR-SD_VBELN_VA sy-vline 
WA_MCJHAKB_STR-SD_NEWGL_STA sy-vline 
WA_MCJHAKB_STR-BUKRS sy-vline 
WA_MCJHAKB_STR-HWAER sy-vline 
WA_MCJHAKB_STR-STGKU sy-vline      INTO ld_text SEPARATED BY SPACE.

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