89e160a96a
give that column no affinity rather than NUMERIC affinity. This is because casting to numeric preserves real values that could be integers but numeric affinity does not. By using no affinity on the column, we make the behavior consistent if the subquery is implemented as a co-routine or is materialized. FossilOrigin-Name: ece07d091c2ef3367a914187e0b6512c1f2390b8c34844536ad50e88c7e8c2f2
519 lines
14 KiB
Plaintext
519 lines
14 KiB
Plaintext
# 2005 June 25
|
|
#
|
|
# The author disclaims copyright to this source code. In place of
|
|
# a legal notice, here is a blessing:
|
|
#
|
|
# May you do good and not evil.
|
|
# May you find forgiveness for yourself and forgive others.
|
|
# May you share freely, never taking more than you give.
|
|
#
|
|
#***********************************************************************
|
|
# This file implements regression tests for SQLite library. The
|
|
# focus of this file is testing the CAST operator.
|
|
#
|
|
# $Id: cast.test,v 1.10 2008/11/06 15:33:04 drh Exp $
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
|
|
# Only run these tests if the build includes the CAST operator
|
|
ifcapable !cast {
|
|
finish_test
|
|
return
|
|
}
|
|
|
|
# Tests for the CAST( AS blob), CAST( AS text) and CAST( AS numeric) built-ins
|
|
#
|
|
ifcapable bloblit {
|
|
do_test cast-1.1 {
|
|
execsql {SELECT x'616263'}
|
|
} abc
|
|
do_test cast-1.2 {
|
|
execsql {SELECT typeof(x'616263')}
|
|
} blob
|
|
do_test cast-1.3 {
|
|
execsql {SELECT CAST(x'616263' AS text)}
|
|
} abc
|
|
do_test cast-1.4 {
|
|
execsql {SELECT typeof(CAST(x'616263' AS text))}
|
|
} text
|
|
do_test cast-1.5 {
|
|
execsql {SELECT CAST(x'616263' AS numeric)}
|
|
} 0
|
|
do_test cast-1.6 {
|
|
execsql {SELECT typeof(CAST(x'616263' AS numeric))}
|
|
} integer
|
|
do_test cast-1.7 {
|
|
execsql {SELECT CAST(x'616263' AS blob)}
|
|
} abc
|
|
do_test cast-1.8 {
|
|
execsql {SELECT typeof(CAST(x'616263' AS blob))}
|
|
} blob
|
|
do_test cast-1.9 {
|
|
execsql {SELECT CAST(x'616263' AS integer)}
|
|
} 0
|
|
do_test cast-1.10 {
|
|
execsql {SELECT typeof(CAST(x'616263' AS integer))}
|
|
} integer
|
|
}
|
|
do_test cast-1.11 {
|
|
execsql {SELECT null}
|
|
} {{}}
|
|
do_test cast-1.12 {
|
|
execsql {SELECT typeof(NULL)}
|
|
} null
|
|
do_test cast-1.13 {
|
|
execsql {SELECT CAST(NULL AS text)}
|
|
} {{}}
|
|
do_test cast-1.14 {
|
|
execsql {SELECT typeof(CAST(NULL AS text))}
|
|
} null
|
|
do_test cast-1.15 {
|
|
execsql {SELECT CAST(NULL AS numeric)}
|
|
} {{}}
|
|
do_test cast-1.16 {
|
|
execsql {SELECT typeof(CAST(NULL AS numeric))}
|
|
} null
|
|
do_test cast-1.17 {
|
|
execsql {SELECT CAST(NULL AS blob)}
|
|
} {{}}
|
|
do_test cast-1.18 {
|
|
execsql {SELECT typeof(CAST(NULL AS blob))}
|
|
} null
|
|
do_test cast-1.19 {
|
|
execsql {SELECT CAST(NULL AS integer)}
|
|
} {{}}
|
|
do_test cast-1.20 {
|
|
execsql {SELECT typeof(CAST(NULL AS integer))}
|
|
} null
|
|
do_test cast-1.21 {
|
|
execsql {SELECT 123}
|
|
} {123}
|
|
do_test cast-1.22 {
|
|
execsql {SELECT typeof(123)}
|
|
} integer
|
|
do_test cast-1.23 {
|
|
execsql {SELECT CAST(123 AS text)}
|
|
} {123}
|
|
do_test cast-1.24 {
|
|
execsql {SELECT typeof(CAST(123 AS text))}
|
|
} text
|
|
do_test cast-1.25 {
|
|
execsql {SELECT CAST(123 AS numeric)}
|
|
} 123
|
|
do_test cast-1.26 {
|
|
execsql {SELECT typeof(CAST(123 AS numeric))}
|
|
} integer
|
|
do_test cast-1.27 {
|
|
execsql {SELECT CAST(123 AS blob)}
|
|
} {123}
|
|
do_test cast-1.28 {
|
|
execsql {SELECT typeof(CAST(123 AS blob))}
|
|
} blob
|
|
do_test cast-1.29 {
|
|
execsql {SELECT CAST(123 AS integer)}
|
|
} {123}
|
|
do_test cast-1.30 {
|
|
execsql {SELECT typeof(CAST(123 AS integer))}
|
|
} integer
|
|
do_test cast-1.31 {
|
|
execsql {SELECT 123.456}
|
|
} {123.456}
|
|
do_test cast-1.32 {
|
|
execsql {SELECT typeof(123.456)}
|
|
} real
|
|
do_test cast-1.33 {
|
|
execsql {SELECT CAST(123.456 AS text)}
|
|
} {123.456}
|
|
do_test cast-1.34 {
|
|
execsql {SELECT typeof(CAST(123.456 AS text))}
|
|
} text
|
|
do_test cast-1.35 {
|
|
execsql {SELECT CAST(123.456 AS numeric)}
|
|
} 123.456
|
|
do_test cast-1.36 {
|
|
execsql {SELECT typeof(CAST(123.456 AS numeric))}
|
|
} real
|
|
do_test cast-1.37 {
|
|
execsql {SELECT CAST(123.456 AS blob)}
|
|
} {123.456}
|
|
do_test cast-1.38 {
|
|
execsql {SELECT typeof(CAST(123.456 AS blob))}
|
|
} blob
|
|
do_test cast-1.39 {
|
|
execsql {SELECT CAST(123.456 AS integer)}
|
|
} {123}
|
|
do_test cast-1.38 {
|
|
execsql {SELECT typeof(CAST(123.456 AS integer))}
|
|
} integer
|
|
do_test cast-1.41 {
|
|
execsql {SELECT '123abc'}
|
|
} {123abc}
|
|
do_test cast-1.42 {
|
|
execsql {SELECT typeof('123abc')}
|
|
} text
|
|
do_test cast-1.43 {
|
|
execsql {SELECT CAST('123abc' AS text)}
|
|
} {123abc}
|
|
do_test cast-1.44 {
|
|
execsql {SELECT typeof(CAST('123abc' AS text))}
|
|
} text
|
|
do_test cast-1.45 {
|
|
execsql {SELECT CAST('123abc' AS numeric)}
|
|
} 123
|
|
do_test cast-1.46 {
|
|
execsql {SELECT typeof(CAST('123abc' AS numeric))}
|
|
} integer
|
|
do_test cast-1.47 {
|
|
execsql {SELECT CAST('123abc' AS blob)}
|
|
} {123abc}
|
|
do_test cast-1.48 {
|
|
execsql {SELECT typeof(CAST('123abc' AS blob))}
|
|
} blob
|
|
do_test cast-1.49 {
|
|
execsql {SELECT CAST('123abc' AS integer)}
|
|
} 123
|
|
do_test cast-1.50 {
|
|
execsql {SELECT typeof(CAST('123abc' AS integer))}
|
|
} integer
|
|
do_test cast-1.51 {
|
|
execsql {SELECT CAST('123.5abc' AS numeric)}
|
|
} 123.5
|
|
do_test cast-1.53 {
|
|
execsql {SELECT CAST('123.5abc' AS integer)}
|
|
} 123
|
|
|
|
do_test cast-1.60 {
|
|
execsql {SELECT CAST(null AS REAL)}
|
|
} {{}}
|
|
do_test cast-1.61 {
|
|
execsql {SELECT typeof(CAST(null AS REAL))}
|
|
} {null}
|
|
do_test cast-1.62 {
|
|
execsql {SELECT CAST(1 AS REAL)}
|
|
} {1.0}
|
|
do_test cast-1.63 {
|
|
execsql {SELECT typeof(CAST(1 AS REAL))}
|
|
} {real}
|
|
do_test cast-1.64 {
|
|
execsql {SELECT CAST('1' AS REAL)}
|
|
} {1.0}
|
|
do_test cast-1.65 {
|
|
execsql {SELECT typeof(CAST('1' AS REAL))}
|
|
} {real}
|
|
do_test cast-1.66 {
|
|
execsql {SELECT CAST('abc' AS REAL)}
|
|
} {0.0}
|
|
do_test cast-1.67 {
|
|
execsql {SELECT typeof(CAST('abc' AS REAL))}
|
|
} {real}
|
|
do_test cast-1.68 {
|
|
execsql {SELECT CAST(x'31' AS REAL)}
|
|
} {1.0}
|
|
do_test cast-1.69 {
|
|
execsql {SELECT typeof(CAST(x'31' AS REAL))}
|
|
} {real}
|
|
|
|
|
|
# Ticket #1662. Ignore leading spaces in numbers when casting.
|
|
#
|
|
do_test cast-2.1 {
|
|
execsql {SELECT CAST(' 123' AS integer)}
|
|
} 123
|
|
do_test cast-2.2 {
|
|
execsql {SELECT CAST(' -123.456' AS real)}
|
|
} -123.456
|
|
|
|
# ticket #2364. Use full percision integers if possible when casting
|
|
# to numeric. Do not fallback to real (and the corresponding 48-bit
|
|
# mantissa) unless absolutely necessary.
|
|
#
|
|
do_test cast-3.1 {
|
|
execsql {SELECT CAST(9223372036854774800 AS integer)}
|
|
} 9223372036854774800
|
|
do_test cast-3.2 {
|
|
execsql {SELECT CAST(9223372036854774800 AS numeric)}
|
|
} 9223372036854774800
|
|
do_realnum_test cast-3.3 {
|
|
execsql {SELECT CAST(9223372036854774800 AS real)}
|
|
} 9.22337203685477e+18
|
|
do_test cast-3.4 {
|
|
execsql {SELECT CAST(CAST(9223372036854774800 AS real) AS integer)}
|
|
} 9223372036854774784
|
|
do_test cast-3.5 {
|
|
execsql {SELECT CAST(-9223372036854774800 AS integer)}
|
|
} -9223372036854774800
|
|
do_test cast-3.6 {
|
|
execsql {SELECT CAST(-9223372036854774800 AS numeric)}
|
|
} -9223372036854774800
|
|
do_realnum_test cast-3.7 {
|
|
execsql {SELECT CAST(-9223372036854774800 AS real)}
|
|
} -9.22337203685477e+18
|
|
do_test cast-3.8 {
|
|
execsql {SELECT CAST(CAST(-9223372036854774800 AS real) AS integer)}
|
|
} -9223372036854774784
|
|
do_test cast-3.11 {
|
|
execsql {SELECT CAST('9223372036854774800' AS integer)}
|
|
} 9223372036854774800
|
|
do_test cast-3.12 {
|
|
execsql {SELECT CAST('9223372036854774800' AS numeric)}
|
|
} 9223372036854774800
|
|
do_realnum_test cast-3.13 {
|
|
execsql {SELECT CAST('9223372036854774800' AS real)}
|
|
} 9.22337203685477e+18
|
|
ifcapable long_double {
|
|
do_test cast-3.14 {
|
|
execsql {SELECT CAST(CAST('9223372036854774800' AS real) AS integer)}
|
|
} 9223372036854774784
|
|
}
|
|
do_test cast-3.15 {
|
|
execsql {SELECT CAST('-9223372036854774800' AS integer)}
|
|
} -9223372036854774800
|
|
do_test cast-3.16 {
|
|
execsql {SELECT CAST('-9223372036854774800' AS numeric)}
|
|
} -9223372036854774800
|
|
do_realnum_test cast-3.17 {
|
|
execsql {SELECT CAST('-9223372036854774800' AS real)}
|
|
} -9.22337203685477e+18
|
|
ifcapable long_double {
|
|
do_test cast-3.18 {
|
|
execsql {SELECT CAST(CAST('-9223372036854774800' AS real) AS integer)}
|
|
} -9223372036854774784
|
|
}
|
|
if {[db eval {PRAGMA encoding}]=="UTF-8"} {
|
|
do_test cast-3.21 {
|
|
execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS integer)}
|
|
} 9223372036854774800
|
|
do_test cast-3.22 {
|
|
execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS numeric)}
|
|
} 9223372036854774800
|
|
do_realnum_test cast-3.23 {
|
|
execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS real)}
|
|
} 9.22337203685477e+18
|
|
ifcapable long_double {
|
|
do_test cast-3.24 {
|
|
execsql {
|
|
SELECT CAST(CAST(x'39323233333732303336383534373734383030' AS real)
|
|
AS integer)
|
|
}
|
|
} 9223372036854774784
|
|
}
|
|
}
|
|
do_test cast-3.31 {
|
|
execsql {SELECT CAST(NULL AS numeric)}
|
|
} {{}}
|
|
|
|
# Test to see if it is possible to trick SQLite into reading past
|
|
# the end of a blob when converting it to a number.
|
|
do_test cast-3.32.1 {
|
|
set blob "1234567890"
|
|
set DB [sqlite3_connection_pointer db]
|
|
set ::STMT [sqlite3_prepare $DB {SELECT CAST(? AS real)} -1 TAIL]
|
|
sqlite3_bind_blob -static $::STMT 1 $blob 5
|
|
sqlite3_step $::STMT
|
|
} {SQLITE_ROW}
|
|
do_test cast-3.32.2 {
|
|
sqlite3_column_int $::STMT 0
|
|
} {12345}
|
|
do_test cast-3.32.3 {
|
|
sqlite3_finalize $::STMT
|
|
} {SQLITE_OK}
|
|
|
|
|
|
do_test cast-4.1 {
|
|
db eval {
|
|
CREATE TABLE t1(a);
|
|
INSERT INTO t1 VALUES('abc');
|
|
SELECT a, CAST(a AS integer) FROM t1;
|
|
}
|
|
} {abc 0}
|
|
do_test cast-4.2 {
|
|
db eval {
|
|
SELECT CAST(a AS integer), a FROM t1;
|
|
}
|
|
} {0 abc}
|
|
do_test cast-4.3 {
|
|
db eval {
|
|
SELECT a, CAST(a AS integer), a FROM t1;
|
|
}
|
|
} {abc 0 abc}
|
|
do_test cast-4.4 {
|
|
db eval {
|
|
SELECT CAST(a AS integer), a, CAST(a AS real), a FROM t1;
|
|
}
|
|
} {0 abc 0.0 abc}
|
|
|
|
# Added 2018-01-26
|
|
#
|
|
# EVIDENCE-OF: R-48741-32454 If the prefix integer is greater than
|
|
# +9223372036854775807 then the result of the cast is exactly
|
|
# +9223372036854775807.
|
|
do_execsql_test cast-5.1 {
|
|
SELECT CAST('9223372036854775808' AS integer);
|
|
SELECT CAST(' +000009223372036854775808' AS integer);
|
|
SELECT CAST('12345678901234567890123' AS INTEGER);
|
|
} {9223372036854775807 9223372036854775807 9223372036854775807}
|
|
|
|
# EVIDENCE-OF: R-06028-16857 Similarly, if the prefix integer is less
|
|
# than -9223372036854775808 then the result of the cast is exactly
|
|
# -9223372036854775808.
|
|
do_execsql_test cast-5.2 {
|
|
SELECT CAST('-9223372036854775808' AS integer);
|
|
SELECT CAST('-9223372036854775809' AS integer);
|
|
SELECT CAST('-12345678901234567890123' AS INTEGER);
|
|
} {-9223372036854775808 -9223372036854775808 -9223372036854775808}
|
|
|
|
# EVIDENCE-OF: R-33990-33527 When casting to INTEGER, if the text looks
|
|
# like a floating point value with an exponent, the exponent will be
|
|
# ignored because it is no part of the integer prefix.
|
|
# EVIDENCE-OF: R-24225-46995 For example, "(CAST '123e+5' AS INTEGER)"
|
|
# results in 123, not in 12300000.
|
|
do_execsql_test cast-5.3 {
|
|
SELECT CAST('123e+5' AS INTEGER);
|
|
SELECT CAST('123e+5' AS NUMERIC);
|
|
SELECT CAST('123e+5' AS REAL);
|
|
} {123 12300000 12300000.0}
|
|
|
|
|
|
# The following does not have anything to do with the CAST operator,
|
|
# but it does deal with affinity transformations.
|
|
#
|
|
do_execsql_test cast-6.1 {
|
|
DROP TABLE IF EXISTS t1;
|
|
CREATE TABLE t1(a NUMERIC);
|
|
INSERT INTO t1 VALUES
|
|
('9000000000000000001'),
|
|
('9000000000000000001 '),
|
|
(' 9000000000000000001'),
|
|
(' 9000000000000000001 ');
|
|
SELECT * FROM t1;
|
|
} {9000000000000000001 9000000000000000001 9000000000000000001 9000000000000000001}
|
|
|
|
# 2019-06-07
|
|
# https://www.sqlite.org/src/info/4c2d7639f076aa7c
|
|
do_execsql_test cast-7.1 {
|
|
SELECT CAST('-' AS NUMERIC);
|
|
} {0}
|
|
do_execsql_test cast-7.2 {
|
|
SELECT CAST('-0' AS NUMERIC);
|
|
} {0}
|
|
do_execsql_test cast-7.3 {
|
|
SELECT CAST('+' AS NUMERIC);
|
|
} {0}
|
|
do_execsql_test cast-7.4 {
|
|
SELECT CAST('/' AS NUMERIC);
|
|
} {0}
|
|
|
|
# 2019-06-07
|
|
# https://www.sqlite.org/src/info/e8bedb2a184001bb
|
|
do_execsql_test cast-7.10 {
|
|
SELECT '' - 2851427734582196970;
|
|
} {-2851427734582196970}
|
|
do_execsql_test cast-7.11 {
|
|
SELECT 0 - 2851427734582196970;
|
|
} {-2851427734582196970}
|
|
do_execsql_test cast-7.12 {
|
|
SELECT '' - 1;
|
|
} {-1}
|
|
|
|
# 2019-06-10
|
|
# https://www.sqlite.org/src/info/dd6bffbfb6e61db9
|
|
#
|
|
# EVIDENCE-OF: R-55084-10555 Casting a TEXT or BLOB value into NUMERIC
|
|
# yields either an INTEGER or a REAL result.
|
|
#
|
|
do_execsql_test cast-7.20 {
|
|
DROP TABLE IF EXISTS t0;
|
|
CREATE TABLE t0 (c0 TEXT);
|
|
INSERT INTO t0(c0) VALUES ('1.0');
|
|
SELECT CAST(c0 AS NUMERIC) FROM t0;
|
|
} {1}
|
|
|
|
# 2019-06-10
|
|
# https://sqlite.org/src/info/27de823723a41df45af3
|
|
#
|
|
do_execsql_test cast-7.30 {
|
|
SELECT -'.';
|
|
} 0
|
|
do_execsql_test cast-7.31 {
|
|
SELECT '.'+0;
|
|
} 0
|
|
do_execsql_test cast-7.32 {
|
|
SELECT CAST('.' AS numeric);
|
|
} 0
|
|
do_execsql_test cast-7.33 {
|
|
SELECT -CAST('.' AS numeric);
|
|
} 0
|
|
|
|
# 2019-06-12
|
|
# https://www.sqlite.org/src/info/674385aeba91c774
|
|
#
|
|
do_execsql_test cast-7.40 {
|
|
SELECT CAST('-0.0' AS numeric);
|
|
} 0
|
|
do_execsql_test cast-7.41 {
|
|
SELECT CAST('0.0' AS numeric);
|
|
} 0
|
|
do_execsql_test cast-7.42 {
|
|
SELECT CAST('+0.0' AS numeric);
|
|
} 0
|
|
do_execsql_test cast-7.43 {
|
|
SELECT CAST('-1.0' AS numeric);
|
|
} -1
|
|
|
|
ifcapable utf16 {
|
|
reset_db
|
|
execsql { PRAGMA encoding='utf16' }
|
|
|
|
do_execsql_test cast-8.1 {
|
|
SELECT quote(X'310032003300')==quote(substr(X'310032003300', 1))
|
|
} 1
|
|
do_execsql_test cast-8.2 {
|
|
SELECT CAST(X'310032003300' AS TEXT)
|
|
==CAST(substr(X'310032003300', 1) AS TEXT)
|
|
} 1
|
|
}
|
|
|
|
reset_db
|
|
do_execsql_test cast-9.0 {
|
|
CREATE TABLE t0(c0);
|
|
INSERT INTO t0(c0) VALUES (0);
|
|
CREATE VIEW v1(c0, c1) AS
|
|
SELECT CAST(0.0 AS NUMERIC), COUNT(*) OVER () FROM t0;
|
|
SELECT v1.c0 FROM v1, t0 WHERE v1.c0=0;
|
|
} {0}
|
|
|
|
# Set the 2022-12-10 "reopen" of ticket [https://sqlite.org/src/tktview/57c47526c3]
|
|
#
|
|
do_execsql_test cast-9.1 {
|
|
CREATE TABLE dual(dummy TEXT);
|
|
INSERT INTO dual VALUES('X');
|
|
SELECT CAST(4 AS NUMERIC);
|
|
} {4}
|
|
do_execsql_test cast-9.2 {
|
|
SELECT CAST(4.0 AS NUMERIC);
|
|
} {4.0}
|
|
do_execsql_test cast-9.3 {
|
|
SELECT CAST(4.5 AS NUMERIC);
|
|
} {4.5}
|
|
do_execsql_test cast-9.4 {
|
|
SELECT x, typeof(x) FROM (SELECT CAST(4 AS NUMERIC) AS x) JOIN dual;
|
|
} {4 integer}
|
|
do_execsql_test cast-9.5 {
|
|
SELECT x, typeof(x) FROM (SELECT CAST(4 AS NUMERIC) AS x) CROSS JOIN dual;
|
|
} {4 integer}
|
|
do_execsql_test cast-9.10 {
|
|
SELECT x, typeof(x) FROM (SELECT CAST(4.0 AS NUMERIC) AS x) JOIN dual;
|
|
} {4.0 real}
|
|
do_execsql_test cast-9.11 {
|
|
SELECT x, typeof(x) FROM (SELECT CAST(4.0 AS NUMERIC) AS x) CROSS JOIN dual;
|
|
} {4.0 real}
|
|
do_execsql_test cast-9.12 {
|
|
SELECT x, typeof(x) FROM (SELECT CAST(4.5 AS NUMERIC) AS x) JOIN dual;
|
|
} {4.5 real}
|
|
do_execsql_test cast-9.13 {
|
|
SELECT x, typeof(x) FROM (SELECT CAST(4.5 AS NUMERIC) AS x) CROSS JOIN dual;
|
|
} {4.5 real}
|
|
|
|
finish_test
|