mirror of
https://github.com/chaisql/chai.git
synced 2025-12-24 11:30:53 +08:00
95 lines
1.2 KiB
SQL
95 lines
1.2 KiB
SQL
-- test: source(INT)
|
|
> CAST (1 AS INTEGER)
|
|
1
|
|
|
|
> CAST (1 AS BOOL)
|
|
true
|
|
|
|
> CAST (1 AS DOUBLE)
|
|
1.0
|
|
|
|
> CAST (1 AS TEXT)
|
|
'1'
|
|
|
|
! CAST (1 AS BYTEA)
|
|
'cannot cast integer as bytea'
|
|
|
|
-- test: source(DOUBLE)
|
|
> CAST (1.1 AS DOUBLE)
|
|
1.1
|
|
|
|
> CAST (1.1 AS INTEGER)
|
|
1
|
|
|
|
! CAST (1.1 AS BOOL)
|
|
'cannot cast double as bool'
|
|
|
|
> CAST (1.1 AS TEXT)
|
|
'1.1'
|
|
|
|
! CAST (1.1 AS BYTEA)
|
|
'cannot cast double as bytea'
|
|
|
|
-- test: source(BOOL)
|
|
> CAST (true AS BOOL)
|
|
true
|
|
|
|
> CAST (true AS INTEGER)
|
|
1
|
|
|
|
> CAST (false AS INTEGER)
|
|
0
|
|
|
|
! CAST (true AS DOUBLE)
|
|
'cannot cast boolean as double'
|
|
|
|
> CAST (true AS TEXT)
|
|
'true'
|
|
|
|
! CAST (true AS BYTEA)
|
|
'cannot cast boolean as bytea'
|
|
|
|
-- test: source(TEXT)
|
|
> CAST ('a' AS TEXT)
|
|
'a'
|
|
|
|
> CAST ('100' AS INTEGER)
|
|
100
|
|
|
|
> CAST ('100.5' AS INTEGER)
|
|
100
|
|
|
|
! CAST ('a' AS INTEGER)
|
|
|
|
> CAST ('3.14' AS DOUBLE)
|
|
3.14
|
|
|
|
> CAST ('3' AS DOUBLE)
|
|
3.0
|
|
|
|
! CAST ('10.5wdwd' AS DOUBLE)
|
|
|
|
> CAST ('true' AS BOOL)
|
|
true
|
|
|
|
> CAST ('false' AS BOOL)
|
|
false
|
|
|
|
! CAST ('falSe' AS BOOL)
|
|
|
|
> CAST ('YXNkaW5l' AS BYTEA)
|
|
'\x617364696e65'
|
|
|
|
-- test: source(BYTEA)
|
|
> CAST ('\xAF' AS BYTEA)
|
|
'\xAF'
|
|
|
|
! CAST ('\xAF' AS INT)
|
|
'cannot cast bytea as integer'
|
|
|
|
! CAST ('\xAF' AS DOUBLE)
|
|
'cannot cast bytea as double'
|
|
|
|
> CAST ('\x617364696e65' AS TEXT)
|
|
'YXNkaW5l'
|