Firebird 2.1 Language Reference Update

if (num < 1) then break;
suspend;
num = num - 1;
end
phrase = '*** Ready! ***';
suspend;
end
PSQL statements
This selectable SP returns at most num rows from the table Phrases. The variable num is decremented
in each iteration; once it is smaller than 1, the loop is terminated with BREAK. The program then
continues at the line “phrase = '*** Ready! ***';”.
Important
Available in: PSQL
Added in: 2.0
Since Firebird 1.5, use of the SQL-99 compliant alternative LEAVE is preferred.
CLOSE cursor
Description: Closes an open cursor. Any cursors still open when the trigger, stored procedure or EXECUTE
BLOCK statement they belong to is exited, will be closed automatically.
Syntax:
CLOSE cursorname;
Example: See DECLARE ... CURSOR.
Available in: PSQL
Description: Declares a PSQL local variable.
Syntax:
DECLARE [VARIABLE] varname ;
DECLARE
::= [NOT NULL] [] []
| CURSOR FOR (select-statement)
::= sql_datatype | [TYPE OF] domain
::= COLLATE collation
::= {= | DEFAULT} value
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