09-19-2010
I am sorry but cannot paste my code here due to some compliance issues...hope you understand.....
to make it simple, i'll give you an example.....
input file would contain...
Select count(*) from employee where dept=10;
Select count(*) from employee where dept=20;
Select count(*) from employee where dept=30;
Select count(*) from employee where dept=40;
Select count(*) from employee where dept=50;
Select count(*) from employee where dept=60;
Select count(*) from employee where dept=70;
Select count(*) from employee where dept=80;
Select count(*) from employee where dept=90;
Number of SQLs may vary from 1 to any number.....here i took it randomly 9 SQLs.....
Now I want to execute this input file thru a unix script but I want to execute first SQL first and if the result of first SQL is greater than 100,000 then stop processing...
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LEARN ABOUT PHP
db2_num_rows
DB2_NUM_ROWS(3) 1 DB2_NUM_ROWS(3)
db2_num_rows - Returns the number of rows affected by an SQL statement
SYNOPSIS
int db2_num_rows (resource $stmt)
DESCRIPTION
Returns the number of rows deleted, inserted, or updated by an SQL statement.
To determine the number of rows that will be returned by a SELECT statement, issue SELECT COUNT(*) with the same predicates as your
intended SELECT statement and retrieve the value.
If your application logic checks the number of rows returned by a SELECT statement and branches if the number of rows is 0, consider modi-
fying your application to attempt to return the first row with one of db2_fetch_assoc(3), db2_fetch_both(3), db2_fetch_array(3), or
db2_fetch_row(3), and branch if the fetch function returns FALSE.
Note
If you issue a SELECT statement using a scrollable cursor, db2_num_rows(3) returns the number of rows returned by the SELECT state-
ment. However, the overhead associated with scrollable cursors significantly degrades the performance of your application, so if
this is the only reason you are considering using scrollable cursors, you should use a forward-only cursor and either call SELECT
COUNT(*) or rely on the boolean return value of the fetch functions to achieve the equivalent functionality with much better perfor-
mance.
PARAMETERS
o $stmt
- A valid stmt resource containing a result set.
RETURN VALUES
Returns the number of rows affected by the last SQL statement issued by the specified statement handle.
PHP Documentation Group DB2_NUM_ROWS(3)