SYNTAX
{#if bool expression }
SQL block
[{#elsif another bool expression }]
SQL block
...
[{#else}]
SQL block
{#endif}
DESCRIPTION
#If operator allows conditional execution of SQL commands.
Multi line or single line syntax is allowed.
PARAMETERS
|
bool expression
|
Any SB expression. If the expression evaluates to an empty string or zero
or non-existent variable then it's considered to be a FALSE value otherwise it's a TRUE value.
|
|
SQL block |
Any SQL command or sequence of commands or part of a command.
It may contain nested #If or other operators.
|
EXAMPLE 1
{
debug = 1;
output = 0;
}
....
begin
update test set col = 1;
{#if debug||output}
dbms_output.put_line('Processed: '||SQL%rowcount);
{#endif}
end;
/
EXAMPLE 2
{var = 3;}
select
{#if var==1} 1
{#elsif var==2} 2
{#elsif var==3} 3
{#else} 0
{#end}
from dual;
The script above will be evaluated to:
select
3
from dual;
|
