Select Statements - Explained

The select command is the most fundamental function of writing ABAP programs allowing the retrieval ofdata from SAP database tables. Below are a few examples of the various ways of selecting data.

*Code to demonstrate select command
*Code to demonstrate select into internal table command

TYPES: BEGIN OF t_bkpf,

* include structure bkpf.

bukrs LIKE bkpf-bukrs,
belnr LIKE bkpf-belnr,
gjahr LIKE bkpf-gjahr,
bldat LIKE bkpf-bldat,
monat LIKE bkpf-monat,
budat LIKE bkpf-budat,
xblnr LIKE bkpf-xblnr,
awtyp LIKE bkpf-awtyp,
awkey LIKE bkpf-awkey,
END OF t_bkpf.

DATA: it_bkpf TYPE STANDARD TABLE OF t_bkpf INITIAL SIZE 0,
wa_bkpf TYPE t_bkpf.

TYPES: BEGIN OF t_bseg,

*include structure bseg.

bukrs LIKE bseg-bukrs,
belnr LIKE bseg-belnr,
gjahr LIKE bseg-gjahr,
buzei LIKE bseg-buzei,
mwskz LIKE bseg-mwskz, "Tax code
umsks LIKE bseg-umsks, "Special G/L transaction type
prctr LIKE bseg-prctr, "Profit Centre
hkont LIKE bseg-hkont, "G/L account
xauto LIKE bseg-xauto,
koart LIKE bseg-koart,
dmbtr LIKE bseg-dmbtr,
mwart LIKE bseg-mwart,
hwbas LIKE bseg-hwbas,
aufnr LIKE bseg-aufnr,
projk LIKE bseg-projk,
shkzg LIKE bseg-shkzg,
kokrs LIKE bseg-kokrs,
END OF t_bseg.

DATA: it_bseg TYPE STANDARD TABLE OF t_bseg INITIAL SIZE 0,
wa_bseg TYPE t_bseg.

*Select directly into an internal table
SELECT bukrs belnr gjahr buzei mwskz umsks prctr hkont xauto koart
dmbtr mwart hwbas aufnr projk shkzg kokrs
FROM bseg
INTO TABLE it_bseg.

* Select directly into an internal table where fields are in a different order or not all fields are specified
SELECT bukrs belnr gjahr buzei mwskz umsks prctr hkont xauto koart
dmbtr mwart hwbas aufnr projk shkzg kokrs
FROM bseg
INTO CORRESPONDING FIELDS OF TABLE it_bseg.

*Select... endselect command
SELECT bukrs belnr gjahr buzei mwskz umsks prctr hkont xauto koart
dmbtr mwart hwbas aufnr projk shkzg kokrs
FROM bseg
INTO wa_bseg.
APPEND wa_bseg TO it_bseg.
ENDSELECT.

*Select FOR ALL ENTRIES command
SELECT bukrs belnr gjahr bldat monat budat xblnr awtyp awkey
UP TO 100 ROWS
FROM bkpf
INTO TABLE it_bkpf.
IF sy-subrc EQ 0.

* The FOR ALL ENTRIES comand only retrieves data which matches entries within a particular internal table.
SELECT bukrs belnr gjahr buzei mwskz umsks prctr hkont xauto koart
dmbtr mwart hwbas aufnr projk shkzg kokrs
FROM bseg
INTO TABLE it_bseg
FOR ALL ENTRIES IN it_bkpf
WHERE bukrs EQ it_bkpf-bukrs AND
belnr EQ it_bkpf-belnr AND
gjahr EQ it_bkpf-gjahr.
ENDIF.