Intro to ABAP - Chapter 10_v1

8/17/2019 Intro to ABAP - Chapter 10_v1

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© Copyright IBM Corporation 2003

REPORT Y170DM72.

TABLES: TABNA.

DATA: CNTRY LIKE TABNA-COUNTRY.

SELECT DISTINCT COUNTRYFROM TABNA INTO (CNTRY).

WRITE: / CNTRY.

ENDSELECT.

The SELECT DISTINCT Statement

Us!" SELECTDISTINCT# $

s %&ss'$& *!+$

,%+$ &s&* $s$ s$.


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SELECT Using Aggregate Functions

REPORT Y170DM73.TABLES: TABNA.DATA: TOTAL TYPE I#

MA45SALES LIKE TABNA-SALES#A65SALES LIKE TABNA-SALES#MIN5SALES LIKE TABNA-SALES.

SELECT COUNT( DISTINCT COUNTRY )MA4( SALES )A6( SALES )MIN( SALES )

FROM TABNAINTO (TOTAL# MA45SALES# A65SALES# MIN5SALES)

W8ERE COUNTRY 9 SPACE.

WRITE: / ;T+' TABNA S$+$s$s


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The Dynamic WHERE Clause

REPRT !"#$D%#&'

TA(LES) TA(NA'

PARA%ETERS)

WHERECL"*#+, DEFAULT -CUNTR! . - -USA/ / /0

WHERECL+*1, DEFAULT -R/0

WHERECL1*#+, DEFAULT -CUNTR! . - -2(/ / /'

T!PE) (E2IN F ITA(3RECRD0 TE4T*#+,0END F ITA(3RECRD'

DATA) WHERE3ITA( T!PE STANDARD TA(LE F

ITA(3RECRD INITIAL SI5E 1 WITH HEADER LINE'

WHERE3ITA(6TE4T . WHERECL"'

APPEND WHERE3ITA('

WHERE3ITA(6TE4T . WHERECL+'

APPEND WHERE3ITA('

WHERE3ITA(6TE4T . WHERECL1'

APPEND WHERE3ITA('

SELECT 7 FR% TA(NA WHERE *WHERE3ITA(,'

WRITE) 8 TA(NA6CUNTR!0 TA(NA6ID'

ENDSELECT'

T %++*$s!$, *+@ %$ &!$!$s &

$ W8ERE +s.T s +s $

&%$&! & +!"!"$ &!,$&!s +!,

,!+*+=$!"

+ $ %&"+* $.

A! !$!+ $+' s+$,

&,s $ W8ERE

+s !$ $ s s, !$

SELECT s$+$*!$.


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CNCATENATE Statement

REPORT Y170DM7.TABLES: TABNA.PARAMETERS:

W8ERECL1(72) DEFAULT ;COUNTRY ; ;USA< <


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9ariations on the INT Clause

REPORT Y170DM7G.

TABLES: TABNA.

DATA: ITAB LIKE STANDARD TABLE OFTABNA INITIAL SIE G WIT8 8EADER LINE.

SELECT FROM TABNAINTO TABLE ITAB

PACKAE SIE G.

LOOP AT ITAB.WRITE: / ITAB-COUNTRY# ITAB-ID.

ENDLOOP.

ENDSELECT.

SELECT FROM 9,'$+'SELECT FROM 9,'$+' INTO TABLE 9!$!+ $+'INTO TABLE 9!$!+ $+' PACKAE SIE 9!.PACKAE SIE 9!.ENDSELECT.ENDSELECT.


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REPORT Y170DM7H.

PARAMETERS: TAB5NAME(G) DEFAULT

;TABNA


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CURSR Processing

OPEN CURSOR WIT8 8OLDJ 9s& !+*OPEN CURSOR WIT8 8OLDJ 9s& !+*

FOR 9SELECT s$+$*!$.FOR 9SELECT s$+$*!$.

FETC8 NE4T CURSOR 9s& !+*FETC8 NE4T CURSOR 9s& !+*

INTO 9&@ ++.INTO 9&@ ++.

CLOSE CURSOR 9s& !+*.CLOSE CURSOR 9s& !+*.


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Declaring an= PENing a CURSR

REPORT Y170DM77.TABLES: TABNA.DATA:TABCUR TYPE CURSOR#

BEIN OF TABNA5WA#NAME1 LIKE TABNA-NAME1#COUNTRY LIKE TABNA-COUNTRY#

END OF TABNA5WA.

OPEN CURSOR TABCUR FORSELECT NAME1 COUNTRY FROM TABNA.

DO.FETC8 NE4T CURSOR TABCUR INTO TABNA5WA.IF SY-SUBRC 9 0.

CLOSE CURSOR TABCUR.E4IT.

ELSE.WRITE: / TABNA5WA-COUNTRY# TABNA5WA-

NAME1.

ENDIF.ENDDO.

W! ,!!" + CURSOR#W! ,!!" + CURSOR#$ *s$ ' ,+, $ $$ *s$ ' ,+, $ $

,+$+ $% & CURSOR.,+$+ $% & CURSOR.

W! OPEN!" $W! OPEN!" $CURSOR# $CURSOR# $

+ss&+$, SELECT+ss&+$, SELECTs$+$*!$ ss$+$*!$ s

$, $ $$, $ $s$ s$ +$,s$ s$ +$,

+!, s$&, !+!, s$&, !**&.**&.


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FETCHing Recor=s ;rom a CURSR



END OF TABNA5WA.


DO.

FETC8 NE4T CURSOR TABCUR INTOTABNA5WA.IF SY-SUBRC 9 0.

CLOSE CURSOR TABCUR.E4IT.

ELSE.WRITE: / TABNA5WA-COUNTRY# TABNA-

NAME1.ENDIF.

T FETC8T FETC8

s$+$*!$ $?ss$+$*!$ $?s$ &s &* $$ &s &* $

CURSOR &! ' &!CURSOR &! ' &!!$ $ + !&!$ $ + !&*& &s $.*& &s $.

A$ $ FETC8 s $,# $ SY-A$ $ FETC8 s $,# $ SY-SUBRC s $s$,. & !,+$s +SUBRC s $s$,. & !,+$s +

sss $?+ F& !,+$s $sss $?+ F& !,+$s $+ !& *& &s.+ !& *& &s.


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CLSIN2 the CURSR



END OF TABNA5WA.


DO.FETC8 NE4T CURSOR TABCUR INTO TABNA5WA.

IF SY-SUBRC 9 0.CLOSE CURSOR TABCUR.E4IT.

ELSE.WRITE: / TABNA5WA-COUNTRY# TABNA-

NAME1.

ENDIF.ENDDO.

W! CURSORW! CURSOR%&ss!" s%&ss!" s

&*%$,# $&*%$,# $CURSOR s&, 'CURSOR s&, '

&s, $ $&s, $ $CLOSE CURSORCLOSE CURSOR

s$+$*!$.s$+$*!$.


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>oins) Why We Shoul= Use Them

-oins are .ore e##icient than logical $atabases an$ neste$ selects,

They access ."ltiple tables /ith one select state.ent,


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Inner >oins

SFLI8TSCARR


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Inner >oins Synta?

SCT !table%1#iel$% table%1#iel$2 table21#iel$3, , , &

INTO !target &

4)OM !table% & INN) -OIN !table2 &

ON !table%15ey#iel$% & 6 !table215ey#iel$% &

AN* !table%15ey#iel$2 & 6 !table215ey#iel$2 &

AN* , , ,

78) , , ,

N*SCT,


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The Dri@ing taIN s;light

N scarrcarri= . s;lightcarri='

WRITE) 8 carri=0 conni=0 =ate0 carrname'

ENDSELECT'


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Le;t uter >oins

SFLI8TSCARR


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Le;t uter >oin Synta?

SCT !table%1#iel$% table%1#iel$2 table21#iel$3, , , &

INTO !target &

4)OM !table% & 4T O9T) -OIN !table2 & ON !table%15ey#iel$% & 6 !table215ey#iel$% &

AN* !table%15ey#iel$2 & 6 !table215ey#iel$2 &

AN* , , ,

78) , , ,

N*SCT,


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:en SBL Synta? Restrictions

The synta: #or ;oins have been given certain restrictions in or$er to ins"re that

they pro$"ce the sa.e res"lts #or all SA( s"pporte$ $atabases,


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Re=un=ancy

LFA1 BSIK


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>oins Accessing %ore than To Ta


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Aliases

SELECT A+!+*B+,

B&!!,B,+$

INTO (+,# &!!,# ,+$# +!+*)FROM s+ AS A INNER OIN s"$ AS B

ON s++, s"$+,.WRITE: / +,# &!!,# ,+$#+!+*.ENDSELECT.


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Su


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Su


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Ha@ing Clause

Ls$ + L$+!s+ CONNIDs $ s* &LUWEI8T s 9 20#000.

IBM Gl b l S i


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Ha@ing Clause Synta?8E?am:le

SELECT +, &!!, COUNT( ) SUM( """$ )

INTO (+,# &!!,# &!$# s*5"$) FROM s'&&@

W8ERE +, L8

ROUP BY +, &!!,

8A6IN SUM( """$ ) 2G.

WRITE:/ +,# &!!,# &!$# s*5"$.

ENDSELECT.

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Intro to ABAP - Chapter 10_v1