run-time error if (f1()) if f1 returns a boolean
------------------------------------------------
Key: CORE-4234
URL: http://tracker.firebirdsql.org/browse/CORE-4234
Project: Firebird Core
Issue Type: Bug
Affects Versions: 3.0 Alpha 1
Reporter: Simonov Denis
Use CONNECT or CREATE DATABASE to specify a database
SQL> connect 'localhost/3051:horses' user 'sysdba' password 'masterkey';
Database: 'localhost/3051:horses', User: sysdba
SQL> set term ^;
SQL> execute block
CON> returns (c integer)
CON> as
CON> DECLARE VARIABLE b boolean;
CON> DECLARE function f1() returns boolean as
CON> begin
CON> return true;
CON> end
CON> begin
CON> c = 0;
CON> b = f1();
CON> --IF (f1()) THEN c = 1;
CON> IF (b) THEN c = 1;
CON> suspend;
CON> end^
C
============
1
SQL> execute block
CON> returns (c integer)
CON> as
CON> DECLARE VARIABLE b boolean;
CON> DECLARE function f1() returns boolean as
CON> begin
CON> return true;
CON> end
CON> begin
CON> c = 0;
CON> b = f1();
CON> IF (f1()) THEN c = 1;
CON> --IF (b) THEN c = 1;
CON> suspend;
CON> end^
Statement failed, SQLSTATE = 22000
Dynamic SQL Error
-SQL error code = -104
-Invalid usage of boolean expression
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