ABAP Select data from SAP table BAPI1104 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPI1104 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 BAPI1104. 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 BAPI1104 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_BAPI1104 TYPE STANDARD TABLE OF BAPI1104,
      WA_BAPI1104 TYPE BAPI1104,
      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: <BAPI1104> TYPE BAPI1104.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPI1104.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPI1104
  INTO TABLE IT_BAPI1104.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI1104
*  INTO TABLE @DATA(IT_BAPI11042).
*--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_BAPI1104 INDEX 1 INTO DATA(WA_BAPI11042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPI1104 ASSIGNING <BAPI1104>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI1104>-COMP_CODE = 1.
<BAPI1104>-BUS_ENT = 1.
<BAPI1104>-RENT_UNIT = 1.
<BAPI1104>-PROPERTY = 1.
<BAPI1104>-BUILDING = 1.

ENDLOOP.

LOOP AT IT_BAPI1104 INTO WA_BAPI1104.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI1104-RU_LINKTO, sy-vline,
  WA_BAPI1104-RU_LNKTO, sy-vline,
  WA_BAPI1104-HEAT_SYST, sy-vline,
  WA_BAPI1104-USAGE_TYPE, sy-vline,
  WA_BAPI1104-INIT_USAGE, sy-vline,
  WA_BAPI1104-SUBS_RNT_F, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI1104 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_BAPI1104 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_BAPI1104 INTO WA_BAPI1104.


*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 SWENR, internal->external for field BUS_ENT
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-BUS_ENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-BUS_ENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SMENR, internal->external for field RENT_UNIT
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-RENT_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-RENT_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGRNR, internal->external for field PROPERTY
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-PROPERTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-PROPERTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGENR, internal->external for field BUILDING
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-BUILDING
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-BUILDING.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field RU_LINKTO
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-RU_LINKTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-RU_LINKTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SMENR, internal->external for field RU_LNKTO
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-RU_LNKTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-RU_LNKTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-COSTCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOCSTOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-LOCSTOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-LOCSTOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARKSP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-PARKSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-PARKSP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROFIT_CTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-PROFIT_CTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-PROFIT_CTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field STANLIVBAS
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_BAPI1104-STANLIVBAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI1104-STANLIVBAS.
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_BAPI1104_STR, 
COMP_CODE TYPE STRING,
BUS_ENT TYPE STRING,
RENT_UNIT TYPE STRING,
PROPERTY TYPE STRING,
BUILDING TYPE STRING,
RU_LINKTO TYPE STRING,
RU_LNKTO TYPE STRING,
HEAT_SYST TYPE STRING,
USAGE_TYPE TYPE STRING,
INIT_USAGE TYPE STRING,
SUBS_RNT_F TYPE STRING,
CUBIC_VOL TYPE STRING,
RES_FRM TYPE STRING,
RES_UPTO TYPE STRING,
PART_BUILDING TYPE STRING,
FIX_FITCAT TYPE STRING,
NOEXISSYS TYPE STRING,
SUR_RED TYPE STRING,
INCREASE TYPE STRING,
REASON TYPE STRING,
OBLIG_TO TYPE STRING,
COSTCENTER TYPE STRING,
OCC_OBLIG TYPE STRING,
LOCSTOR TYPE STRING,
INP_TX_DED TYPE STRING,
PARKSP TYPE STRING,
OWN_ASS TYPE STRING,
FACTOR TYPE STRING,
PROFIT_CTR TYPE STRING,
STOREY TYPE STRING,
RA_COND TYPE STRING,
TRNSF_RATE TYPE STRING,
TO_STOREY TYPE STRING,
TEN_SCSETT TYPE STRING,
STMORTLNRT TYPE STRING,
MNT_OPCSST TYPE STRING,
STANDLIV TYPE STRING,
ACTLGRSYLD TYPE STRING,
MARGGRSYLD TYPE STRING,
TEXT TYPE STRING,
STANLIVBAS TYPE STRING,
BUS_AREA TYPE STRING,
MOD_DATE TYPE STRING,
TAXJURCODE TYPE STRING,
ACCDETVAL TYPE STRING,
SAPID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI1104_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_BAPI1104_STR-COMP_CODE sy-vline 
WA_BAPI1104_STR-BUS_ENT sy-vline 
WA_BAPI1104_STR-RENT_UNIT sy-vline 
WA_BAPI1104_STR-PROPERTY sy-vline 
WA_BAPI1104_STR-BUILDING sy-vline 
WA_BAPI1104_STR-RU_LINKTO sy-vline 
WA_BAPI1104_STR-RU_LNKTO sy-vline 
WA_BAPI1104_STR-HEAT_SYST sy-vline 
WA_BAPI1104_STR-USAGE_TYPE sy-vline 
WA_BAPI1104_STR-INIT_USAGE sy-vline 
WA_BAPI1104_STR-SUBS_RNT_F sy-vline 
WA_BAPI1104_STR-CUBIC_VOL sy-vline 
WA_BAPI1104_STR-RES_FRM sy-vline 
WA_BAPI1104_STR-RES_UPTO sy-vline 
WA_BAPI1104_STR-PART_BUILDING sy-vline 
WA_BAPI1104_STR-FIX_FITCAT sy-vline 
WA_BAPI1104_STR-NOEXISSYS sy-vline 
WA_BAPI1104_STR-SUR_RED sy-vline 
WA_BAPI1104_STR-INCREASE sy-vline 
WA_BAPI1104_STR-REASON sy-vline 
WA_BAPI1104_STR-OBLIG_TO sy-vline 
WA_BAPI1104_STR-COSTCENTER sy-vline 
WA_BAPI1104_STR-OCC_OBLIG sy-vline 
WA_BAPI1104_STR-LOCSTOR sy-vline 
WA_BAPI1104_STR-INP_TX_DED sy-vline 
WA_BAPI1104_STR-PARKSP sy-vline 
WA_BAPI1104_STR-OWN_ASS sy-vline 
WA_BAPI1104_STR-FACTOR sy-vline 
WA_BAPI1104_STR-PROFIT_CTR sy-vline 
WA_BAPI1104_STR-STOREY sy-vline 
WA_BAPI1104_STR-RA_COND sy-vline 
WA_BAPI1104_STR-TRNSF_RATE sy-vline 
WA_BAPI1104_STR-TO_STOREY sy-vline 
WA_BAPI1104_STR-TEN_SCSETT sy-vline 
WA_BAPI1104_STR-STMORTLNRT sy-vline 
WA_BAPI1104_STR-MNT_OPCSST sy-vline 
WA_BAPI1104_STR-STANDLIV sy-vline 
WA_BAPI1104_STR-ACTLGRSYLD sy-vline 
WA_BAPI1104_STR-MARGGRSYLD sy-vline 
WA_BAPI1104_STR-TEXT sy-vline 
WA_BAPI1104_STR-STANLIVBAS sy-vline 
WA_BAPI1104_STR-BUS_AREA sy-vline 
WA_BAPI1104_STR-MOD_DATE sy-vline 
WA_BAPI1104_STR-TAXJURCODE sy-vline 
WA_BAPI1104_STR-ACCDETVAL sy-vline 
WA_BAPI1104_STR-SAPID sy-vline      INTO ld_text SEPARATED BY SPACE.

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