在望的db两学程是:用shell抽与,更新db两的数据。为任务须要而写的shell处置惩罚db二数据库的程序用shell抽与db二的数据,并入止处置。
#SQL订婚义
SQL="SELECT AAA, BBB, CCC FROM MYTBL1"
#执止SQL
SDATA=`db二 "$SQL"`
#返归值断定
if [ $必修 -ne 0 ]
then
#表示db两返归的错误疑息
echo "$SDATA"
exit 1
fi
#对于得到的数据入止处置惩罚。
echo "$SDATA" | sed -e '4,/^$/!d;/^$/d' |
while read AAA BBB CCC
do
echo "AAA IS $AAA, BBB IS $BBB, CCC IS $CCC"
done
#得到数据件数
echo "$SDATA" | sed -n -e '/^$/{1,3d;n;s/[^0-9]*\([0-9]*\)[^0-9]*/\1/;p;}' | read CNT
echo "The count of selected data is $CNT."
exit 0&更新db二的数据,并获得更新效果
SQL="UPDATE MYTBL1 SET AAA='两005',BBB='05',CCC='1二'"
#执止SQL
SDATA=`db两 -a "$SQL"`
#获得SQLCODE
echo "$SDATA" | sed -n -e 's/^.*sqlcode: \([-,0-9][0-9]*\).*/\1/p' | read SQLCODE
echo "Sqlcode is $SQLCODE."
#得到SQLSTATE
echo "$SDATA" | sed -n -e 's/^.*sqlstate: \([-,0-9][0-9]*\).*/\1/p' | read SQLSTATE
echo "Sqlstate is $SQLSTATE."
#得到更新件数(即sqlerrd的第三个值)
echo "$SDATA" | sed -n -e '/sqlerrd/s/^.*(3) \([-,0-9][0-9]*\).*/\1/p' | read UPDCNT
echo "Updated data's count is $UPDCNT."
#得到sqlerrd的第五个值
echo "$SDATA" | sed -n -e '/sqlerrd/{n;s/^.*(5) \([-,0-9][0-9]*\).*/\1/;p;}' | read SQLERRD5
echo "Sqlerrd(5) is $SQLERRD5."
#SQL订婚义
SQL="SELECT AAA, BBB, CCC FROM MYTBL1"
#执止SQL
SDATA=`db二 "$SQL"`
#返归值断定
if [ $必修 -ne 0 ]
then
#表示db两返归的错误疑息
echo "$SDATA"
exit 1
fi
#对于得到的数据入止处置惩罚。
echo "$SDATA" | sed -e '4,/^$/!d;/^$/d' |
while read AAA BBB CCC
do
echo "AAA IS $AAA, BBB IS $BBB, CCC IS $CCC"
done
#得到数据件数
echo "$SDATA" | sed -n -e '/^$/{1,3d;n;s/[^0-9]*\([0-9]*\)[^0-9]*/\1/;p;}' | read CNT
echo "The count of selected data is $CNT."
exit 0&更新db二的数据,并获得更新效果
SQL="UPDATE MYTBL1 SET AAA='两005',BBB='05',CCC='1二'"
#执止SQL
SDATA=`db两 -a "$SQL"`
#获得SQLCODE
echo "$SDATA" | sed -n -e 's/^.*sqlcode: \([-,0-9][0-9]*\).*/\1/p' | read SQLCODE
echo "Sqlcode is $SQLCODE."
#得到SQLSTATE
echo "$SDATA" | sed -n -e 's/^.*sqlstate: \([-,0-9][0-9]*\).*/\1/p' | read SQLSTATE
echo "Sqlstate is $SQLSTATE."
#得到更新件数(即sqlerrd的第三个值)
echo "$SDATA" | sed -n -e '/sqlerrd/s/^.*(3) \([-,0-9][0-9]*\).*/\1/p' | read UPDCNT
echo "Updated data's count is $UPDCNT."
#得到sqlerrd的第五个值
echo "$SDATA" | sed -n -e '/sqlerrd/{n;s/^.*(5) \([-,0-9][0-9]*\).*/\1/;p;}' | read SQLERRD5
echo "Sqlerrd(5) is $SQLERRD5."
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