ABAP Select data from SAP table CMHIER_STRUCT 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 CMHIER_STRUCT 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 CMHIER_STRUCT. 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 CMHIER_STRUCT 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_CMHIER_STRUCT TYPE STANDARD TABLE OF CMHIER_STRUCT, WA_CMHIER_STRUCT TYPE CMHIER_STRUCT, 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: <CMHIER_STRUCT> TYPE CMHIER_STRUCT. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_CMHIER_STRUCT. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM CMHIER_STRUCT INTO TABLE IT_CMHIER_STRUCT. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM CMHIER_STRUCT * INTO TABLE @DATA(IT_CMHIER_STRUCT2). *--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_CMHIER_STRUCT INDEX 1 INTO DATA(WA_CMHIER_STRUCT2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_CMHIER_STRUCT ASSIGNING <CMHIER_STRUCT>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMHIER_STRUCT>-MANDT = 1.
<CMHIER_STRUCT>-HIER_ID = 1.
<CMHIER_STRUCT>-NODE = 1.
<CMHIER_STRUCT>-VKORG = 1.
<CMHIER_STRUCT>-VTWEG = 1.
ENDLOOP. LOOP AT IT_CMHIER_STRUCT INTO WA_CMHIER_STRUCT. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_CMHIER_STRUCT-STATUS, sy-vline,
WA_CMHIER_STRUCT-HIER_ID_AKT, sy-vline,
WA_CMHIER_STRUCT-PRODFLG, sy-vline,
WA_CMHIER_STRUCT-BWFLG, sy-vline,
WA_CMHIER_STRUCT-ERSDA, sy-vline,
WA_CMHIER_STRUCT-LAEDA, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CMHIER_STRUCT 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_CMHIER_STRUCT 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_CMHIER_STRUCT INTO WA_CMHIER_STRUCT. *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_CMHIER_STRUCT_STR,
MANDT TYPE STRING,
HIER_ID TYPE STRING,
NODE TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
STATUS TYPE STRING,
HIER_ID_AKT TYPE STRING,
PRODFLG TYPE STRING,
BWFLG TYPE STRING,
ERSDA TYPE STRING,
LAEDA TYPE STRING,
LAEND TYPE STRING,END OF T_EKKO_STR. DATA: WA_CMHIER_STRUCT_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_CMHIER_STRUCT_STR-MANDT sy-vline
WA_CMHIER_STRUCT_STR-HIER_ID sy-vline
WA_CMHIER_STRUCT_STR-NODE sy-vline
WA_CMHIER_STRUCT_STR-VKORG sy-vline
WA_CMHIER_STRUCT_STR-VTWEG sy-vline
WA_CMHIER_STRUCT_STR-STATUS sy-vline
WA_CMHIER_STRUCT_STR-HIER_ID_AKT sy-vline
WA_CMHIER_STRUCT_STR-PRODFLG sy-vline
WA_CMHIER_STRUCT_STR-BWFLG sy-vline
WA_CMHIER_STRUCT_STR-ERSDA sy-vline
WA_CMHIER_STRUCT_STR-LAEDA sy-vline
WA_CMHIER_STRUCT_STR-LAEND sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.