ABAP Select data from SAP table FMCHA1 into internal table

Get Example source ABAP code based on a different SAP table
  

Below is a number of ABAP code snippets to demonstrate how to select data from SAP FMCHA1 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 FMCHA1. 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 FMCHA1 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_FMCHA1 TYPE STANDARD TABLE OF FMCHA1,
      WA_FMCHA1 TYPE FMCHA1,
      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: <FMCHA1> TYPE FMCHA1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FMCHA1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FMCHA1
  INTO TABLE IT_FMCHA1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCHA1
*  INTO TABLE @DATA(IT_FMCHA12).
*--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_FMCHA1 INDEX 1 INTO DATA(WA_FMCHA12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FMCHA1 ASSIGNING <FMCHA1>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCHA1>-MANDT = 1.
<FMCHA1>-REFBN = 1.
<FMCHA1>-RUNNR = 1.
<FMCHA1>-REFBT = 1.
<FMCHA1>-RFORG = 1.
ENDLOOP.

LOOP AT IT_FMCHA1 INTO WA_FMCHA1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCHA1-RFTYP, sy-vline,
WA_FMCHA1-RFSYS, sy-vline,
WA_FMCHA1-RFPOS, sy-vline,
WA_FMCHA1-RFKNT, sy-vline,
WA_FMCHA1-RFETE, sy-vline,
WA_FMCHA1-RCOND, sy-vline.
ENDLOOP. *Add any further fields from structure WA_FMCHA1 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_FMCHA1 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_FMCHA1 INTO WA_FMCHA1. *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 REFBN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_FMCHA1-REFBN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-REFBN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RUNNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_FMCHA1-RUNNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-RUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RFSYS CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_FMCHA1-RFSYS IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-RFSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RLDNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_FMCHA1-RLDNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field SFIPOS CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT' EXPORTING input = WA_FMCHA1-SFIPOS IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-SFIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field SFIPEX CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT' EXPORTING input = WA_FMCHA1-SFIPEX IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-SFIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SHKONT CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_FMCHA1-SHKONT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-SHKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SGRANT_NBR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_FMCHA1-SGRANT_NBR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-SGRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field EFIPOS CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT' EXPORTING input = WA_FMCHA1-EFIPOS IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-EFIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIL, internal->external for field EFIPEX CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT' EXPORTING input = WA_FMCHA1-EFIPEX IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-EFIPEX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EHKONT CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_FMCHA1-EHKONT IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-EHKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EGRANT_NBR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_FMCHA1-EGRANT_NBR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-EGRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_FMCHA1-GJAHR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KNBELNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_FMCHA1-KNBELNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-KNBELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field KNGJAHR CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_FMCHA1-KNGJAHR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-KNGJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field ABGJR CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_FMCHA1-ABGJR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-ABGJR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field BSGJR CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_FMCHA1-BSGJR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_FMCHA1-BSGJR.
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_FMCHA1_STR,
MANDT TYPE STRING,
REFBN TYPE STRING,
RUNNR TYPE STRING,
REFBT TYPE STRING,
RFORG TYPE STRING,
RFTYP TYPE STRING,
RFSYS TYPE STRING,
RFPOS TYPE STRING,
RFKNT TYPE STRING,
RFETE TYPE STRING,
RCOND TYPE STRING,
RLDNR TYPE STRING,
WRTTP TYPE STRING,
SFIPOS TYPE STRING,
SFIPEX TYPE STRING,
SFISTL TYPE STRING,
SFONDS TYPE STRING,
SFAREA TYPE STRING,
SHKONT TYPE STRING,
SOBJNRZ TYPE STRING,
SMEASURE TYPE STRING,
SGRANT_NBR TYPE STRING,
EFIPOS TYPE STRING,
EFIPEX TYPE STRING,
EFISTL TYPE STRING,
EFONDS TYPE STRING,
EFAREA TYPE STRING,
EHKONT TYPE STRING,
EOBJNRZ TYPE STRING,
EMEASURE TYPE STRING,
EGRANT_NBR TYPE STRING,
OBJNRZ TYPE STRING,
KOKRS TYPE STRING,
BUKRS TYPE STRING,
FIKRS TYPE STRING,
GJAHR TYPE STRING,
CFRULE TYPE STRING,
GROUPNR TYPE STRING,
DTSELECTED TYPE STRING,
TMSELECTED TYPE STRING,
USSELECTED TYPE STRING,
DTTRANSFER TYPE STRING,
TMTRANSFER TYPE STRING,
USTRANSFER TYPE STRING,
CFFLG TYPE STRING,
FKBTR TYPE STRING,
ERROR TYPE STRING,
CORULE TYPE STRING,
KNBELNR TYPE STRING,
KNBUZEI TYPE STRING,
KNGJAHR TYPE STRING,
EBUDGET_PD TYPE STRING,
SBUDGET_PD TYPE STRING,
SSTATS TYPE STRING,
ESTATS TYPE STRING,
ABGJR TYPE STRING,
BSGJR TYPE STRING,
KOART TYPE STRING,
LCOL TYPE STRING,
SUSERDIM TYPE STRING,
EUSERDIM TYPE STRING,END OF T_EKKO_STR. DATA: WA_FMCHA1_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_FMCHA1_STR-MANDT sy-vline
WA_FMCHA1_STR-REFBN sy-vline
WA_FMCHA1_STR-RUNNR sy-vline
WA_FMCHA1_STR-REFBT sy-vline
WA_FMCHA1_STR-RFORG sy-vline
WA_FMCHA1_STR-RFTYP sy-vline
WA_FMCHA1_STR-RFSYS sy-vline
WA_FMCHA1_STR-RFPOS sy-vline
WA_FMCHA1_STR-RFKNT sy-vline
WA_FMCHA1_STR-RFETE sy-vline
WA_FMCHA1_STR-RCOND sy-vline
WA_FMCHA1_STR-RLDNR sy-vline
WA_FMCHA1_STR-WRTTP sy-vline
WA_FMCHA1_STR-SFIPOS sy-vline
WA_FMCHA1_STR-SFIPEX sy-vline
WA_FMCHA1_STR-SFISTL sy-vline
WA_FMCHA1_STR-SFONDS sy-vline
WA_FMCHA1_STR-SFAREA sy-vline
WA_FMCHA1_STR-SHKONT sy-vline
WA_FMCHA1_STR-SOBJNRZ sy-vline
WA_FMCHA1_STR-SMEASURE sy-vline
WA_FMCHA1_STR-SGRANT_NBR sy-vline
WA_FMCHA1_STR-EFIPOS sy-vline
WA_FMCHA1_STR-EFIPEX sy-vline
WA_FMCHA1_STR-EFISTL sy-vline
WA_FMCHA1_STR-EFONDS sy-vline
WA_FMCHA1_STR-EFAREA sy-vline
WA_FMCHA1_STR-EHKONT sy-vline
WA_FMCHA1_STR-EOBJNRZ sy-vline
WA_FMCHA1_STR-EMEASURE sy-vline
WA_FMCHA1_STR-EGRANT_NBR sy-vline
WA_FMCHA1_STR-OBJNRZ sy-vline
WA_FMCHA1_STR-KOKRS sy-vline
WA_FMCHA1_STR-BUKRS sy-vline
WA_FMCHA1_STR-FIKRS sy-vline
WA_FMCHA1_STR-GJAHR sy-vline
WA_FMCHA1_STR-CFRULE sy-vline
WA_FMCHA1_STR-GROUPNR sy-vline
WA_FMCHA1_STR-DTSELECTED sy-vline
WA_FMCHA1_STR-TMSELECTED sy-vline
WA_FMCHA1_STR-USSELECTED sy-vline
WA_FMCHA1_STR-DTTRANSFER sy-vline
WA_FMCHA1_STR-TMTRANSFER sy-vline
WA_FMCHA1_STR-USTRANSFER sy-vline
WA_FMCHA1_STR-CFFLG sy-vline
WA_FMCHA1_STR-FKBTR sy-vline
WA_FMCHA1_STR-ERROR sy-vline
WA_FMCHA1_STR-CORULE sy-vline
WA_FMCHA1_STR-KNBELNR sy-vline
WA_FMCHA1_STR-KNBUZEI sy-vline
WA_FMCHA1_STR-KNGJAHR sy-vline
WA_FMCHA1_STR-EBUDGET_PD sy-vline
WA_FMCHA1_STR-SBUDGET_PD sy-vline
WA_FMCHA1_STR-SSTATS sy-vline
WA_FMCHA1_STR-ESTATS sy-vline
WA_FMCHA1_STR-ABGJR sy-vline
WA_FMCHA1_STR-BSGJR sy-vline
WA_FMCHA1_STR-KOART sy-vline
WA_FMCHA1_STR-LCOL sy-vline
WA_FMCHA1_STR-SUSERDIM sy-vline
WA_FMCHA1_STR-EUSERDIM sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.