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If the SKIP value is
0
20
10
CHAPTER 5
LOAD TABLE nn
(l_orderkey,
l_quantity ASCII(PREFIX 2),
FILLER(2),
FROM 'C:\\iq\archive\\mill.txt'
BYTE ORDER LOW
Specifies the maximum number of rows to insert into the
LIMIT option
table. The default is 0 for no limit.
works together with the
LIMIT
reading from the input file, and
insert.
takes precedence over
SKIP
these options only affect the first file. The following table shows how these
options work together:
Table 5-1: SKIP and LIMIT insert options
And the LIMIT
value is
Then IQ does this
5
Reads 5 rows and inserts 5 rows.
5
Reads 25 rows and inserts 5 rows.
5
Reads 10 rows and inserts 5 rows. If the input file
has only 8 rows, then zero rows are inserted.
Here is a Windows NT example. In this case, no rows are skipped, and up to
1,000,000 rows are inserted.
LOAD TABLE lineitem
(l_shipmode ASCII(15),
l_quantity ASCII(8),
FILLER(30))
FROM 'C:\\iq\archive\\mill.txt'
BLOCK FACTOR 1000
PREVIEW ON
LIMIT 1000000
Specifies that you be notified with a message each time
NOTIFY option
the specified number of rows is inserted successfully into the table. The default
is every 100,000 rows. Very frequent notifications can slow down your insert
operation. To turn off
NOTIFY
notification messages" for an explanation of messages.
ON FILE ERROR option
when an input file cannot be opened, either because it does not exist or because
you have incorrect permissions to read the file. For all other reasons or errors,
it aborts the entire insertion. You can specify one of the following:
Moving Data In and Out of Databases
option.
indicates where to begin
SKIP
SKIP
specifies how many of those rows to
LIMIT
. If you specify multiple input files,
LIMIT
entirely, set
= 0. See "Interpreting
NOTIFY
Specifies the action Adaptive Server IQ takes
183
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