ABAP Select data from SAP table J_7LPK1 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 J_7LPK1 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 J_7LPK1. 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 J_7LPK1 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_J_7LPK1 TYPE STANDARD TABLE OF J_7LPK1,
      WA_J_7LPK1 TYPE J_7LPK1,
      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: <J_7LPK1> TYPE J_7LPK1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_7LPK1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_7LPK1
  INTO TABLE IT_J_7LPK1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_7LPK1
*  INTO TABLE @DATA(IT_J_7LPK12).
*--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_J_7LPK1 INDEX 1 INTO DATA(WA_J_7LPK12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_7LPK1 ASSIGNING <J_7LPK1>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_7LPK1>-NAME2 = 1.
<J_7LPK1>-NAME1 = 1.
<J_7LPK1>-PFACH = 1.
<J_7LPK1>-PSTLZ = 1.
<J_7LPK1>-ORT01 = 1.
ENDLOOP.

LOOP AT IT_J_7LPK1 INTO WA_J_7LPK1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_7LPK1-LFA_BUTXT, sy-vline,
WA_J_7LPK1-LFA_STRAS, sy-vline,
WA_J_7LPK1-LFA_PSTLZ, sy-vline,
WA_J_7LPK1-LFA_ORT01, sy-vline,
WA_J_7LPK1-ZNEHM, sy-vline,
WA_J_7LPK1-PERIO, sy-vline.
ENDLOOP. *Add any further fields from structure WA_J_7LPK1 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_J_7LPK1 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_J_7LPK1 INTO WA_J_7LPK1. *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 GJAHR, internal->external for field GJAHR1 CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_J_7LPK1-GJAHR1 IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_J_7LPK1-GJAHR1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR2 CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT' EXPORTING input = WA_J_7LPK1-GJAHR2 IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_J_7LPK1-GJAHR2.
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_J_7LPK1_STR,
NAME2 TYPE STRING,
NAME1 TYPE STRING,
PFACH TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
LFA_BUTXT TYPE STRING,
LFA_STRAS TYPE STRING,
LFA_PSTLZ TYPE STRING,
LFA_ORT01 TYPE STRING,
ZNEHM TYPE STRING,
PERIO TYPE STRING,
PERINR1 TYPE STRING,
PERINR2 TYPE STRING,
GJAHR1 TYPE STRING,
GJAHR2 TYPE STRING,
WAERK TYPE STRING,
NETWR1 TYPE STRING,
NETWR2 TYPE STRING,
NETWR3 TYPE STRING,
NETWR4 TYPE STRING,
NETWR5 TYPE STRING,
NETWR6 TYPE STRING,
NETWR7 TYPE STRING,
NETWR8 TYPE STRING,
AUDAT TYPE STRING,
FONAM TYPE STRING,END OF T_EKKO_STR. DATA: WA_J_7LPK1_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_J_7LPK1_STR-NAME2 sy-vline
WA_J_7LPK1_STR-NAME1 sy-vline
WA_J_7LPK1_STR-PFACH sy-vline
WA_J_7LPK1_STR-PSTLZ sy-vline
WA_J_7LPK1_STR-ORT01 sy-vline
WA_J_7LPK1_STR-LFA_BUTXT sy-vline
WA_J_7LPK1_STR-LFA_STRAS sy-vline
WA_J_7LPK1_STR-LFA_PSTLZ sy-vline
WA_J_7LPK1_STR-LFA_ORT01 sy-vline
WA_J_7LPK1_STR-ZNEHM sy-vline
WA_J_7LPK1_STR-PERIO sy-vline
WA_J_7LPK1_STR-PERINR1 sy-vline
WA_J_7LPK1_STR-PERINR2 sy-vline
WA_J_7LPK1_STR-GJAHR1 sy-vline
WA_J_7LPK1_STR-GJAHR2 sy-vline
WA_J_7LPK1_STR-WAERK sy-vline
WA_J_7LPK1_STR-NETWR1 sy-vline
WA_J_7LPK1_STR-NETWR2 sy-vline
WA_J_7LPK1_STR-NETWR3 sy-vline
WA_J_7LPK1_STR-NETWR4 sy-vline
WA_J_7LPK1_STR-NETWR5 sy-vline
WA_J_7LPK1_STR-NETWR6 sy-vline
WA_J_7LPK1_STR-NETWR7 sy-vline
WA_J_7LPK1_STR-NETWR8 sy-vline
WA_J_7LPK1_STR-AUDAT sy-vline
WA_J_7LPK1_STR-FONAM sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.