mirror of
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561 lines
15 KiB
Plaintext
561 lines
15 KiB
Plaintext
# 2005 June 25
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing the CAST operator.
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#
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# $Id: cast.test,v 1.10 2008/11/06 15:33:04 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Only run these tests if the build includes the CAST operator
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ifcapable !cast {
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finish_test
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return
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}
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# Tests for the CAST( AS blob), CAST( AS text) and CAST( AS numeric) built-ins
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#
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ifcapable bloblit {
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do_test cast-1.1 {
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execsql {SELECT x'616263'}
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} abc
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do_test cast-1.2 {
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execsql {SELECT typeof(x'616263')}
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} blob
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do_test cast-1.3 {
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execsql {SELECT CAST(x'616263' AS text)}
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} abc
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do_test cast-1.4 {
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execsql {SELECT typeof(CAST(x'616263' AS text))}
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} text
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do_test cast-1.5 {
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execsql {SELECT CAST(x'616263' AS numeric)}
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} 0
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do_test cast-1.6 {
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execsql {SELECT typeof(CAST(x'616263' AS numeric))}
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} integer
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do_test cast-1.7 {
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execsql {SELECT CAST(x'616263' AS blob)}
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} abc
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do_test cast-1.8 {
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execsql {SELECT typeof(CAST(x'616263' AS blob))}
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} blob
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do_test cast-1.9 {
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execsql {SELECT CAST(x'616263' AS integer)}
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} 0
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do_test cast-1.10 {
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execsql {SELECT typeof(CAST(x'616263' AS integer))}
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} integer
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}
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do_test cast-1.11 {
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execsql {SELECT null}
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} {{}}
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do_test cast-1.12 {
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execsql {SELECT typeof(NULL)}
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} null
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do_test cast-1.13 {
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execsql {SELECT CAST(NULL AS text)}
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} {{}}
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do_test cast-1.14 {
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execsql {SELECT typeof(CAST(NULL AS text))}
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} null
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do_test cast-1.15 {
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execsql {SELECT CAST(NULL AS numeric)}
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} {{}}
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do_test cast-1.16 {
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execsql {SELECT typeof(CAST(NULL AS numeric))}
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} null
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do_test cast-1.17 {
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execsql {SELECT CAST(NULL AS blob)}
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} {{}}
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do_test cast-1.18 {
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execsql {SELECT typeof(CAST(NULL AS blob))}
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} null
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do_test cast-1.19 {
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execsql {SELECT CAST(NULL AS integer)}
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} {{}}
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do_test cast-1.20 {
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execsql {SELECT typeof(CAST(NULL AS integer))}
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} null
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do_test cast-1.21 {
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execsql {SELECT 123}
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} {123}
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do_test cast-1.22 {
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execsql {SELECT typeof(123)}
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} integer
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do_test cast-1.23 {
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execsql {SELECT CAST(123 AS text)}
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} {123}
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do_test cast-1.24 {
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execsql {SELECT typeof(CAST(123 AS text))}
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} text
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do_test cast-1.25 {
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execsql {SELECT CAST(123 AS numeric)}
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} 123
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do_test cast-1.26 {
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execsql {SELECT typeof(CAST(123 AS numeric))}
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} integer
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do_test cast-1.27 {
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execsql {SELECT CAST(123 AS blob)}
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} {123}
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do_test cast-1.28 {
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execsql {SELECT typeof(CAST(123 AS blob))}
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} blob
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do_test cast-1.29 {
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execsql {SELECT CAST(123 AS integer)}
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} {123}
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do_test cast-1.30 {
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execsql {SELECT typeof(CAST(123 AS integer))}
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} integer
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do_test cast-1.31 {
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execsql {SELECT 123.456}
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} {123.456}
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do_test cast-1.32 {
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execsql {SELECT typeof(123.456)}
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} real
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do_test cast-1.33 {
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execsql {SELECT CAST(123.456 AS text)}
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} {123.456}
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do_test cast-1.34 {
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execsql {SELECT typeof(CAST(123.456 AS text))}
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} text
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do_test cast-1.35 {
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execsql {SELECT CAST(123.456 AS numeric)}
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} 123.456
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do_test cast-1.36 {
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execsql {SELECT typeof(CAST(123.456 AS numeric))}
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} real
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do_test cast-1.37 {
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execsql {SELECT CAST(123.456 AS blob)}
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} {123.456}
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do_test cast-1.38 {
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execsql {SELECT typeof(CAST(123.456 AS blob))}
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} blob
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do_test cast-1.39 {
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execsql {SELECT CAST(123.456 AS integer)}
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} {123}
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do_test cast-1.38 {
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execsql {SELECT typeof(CAST(123.456 AS integer))}
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} integer
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do_test cast-1.41 {
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execsql {SELECT '123abc'}
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} {123abc}
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do_test cast-1.42 {
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execsql {SELECT typeof('123abc')}
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} text
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do_test cast-1.43 {
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execsql {SELECT CAST('123abc' AS text)}
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} {123abc}
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do_test cast-1.44 {
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execsql {SELECT typeof(CAST('123abc' AS text))}
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} text
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do_test cast-1.45 {
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execsql {SELECT CAST('123abc' AS numeric)}
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} 123
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do_test cast-1.46 {
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execsql {SELECT typeof(CAST('123abc' AS numeric))}
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} integer
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do_test cast-1.47 {
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execsql {SELECT CAST('123abc' AS blob)}
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} {123abc}
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do_test cast-1.48 {
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execsql {SELECT typeof(CAST('123abc' AS blob))}
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} blob
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do_test cast-1.49 {
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execsql {SELECT CAST('123abc' AS integer)}
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} 123
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do_test cast-1.50 {
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execsql {SELECT typeof(CAST('123abc' AS integer))}
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} integer
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do_test cast-1.51 {
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execsql {SELECT CAST('123.5abc' AS numeric)}
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} 123.5
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do_test cast-1.53 {
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execsql {SELECT CAST('123.5abc' AS integer)}
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} 123
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do_test cast-1.60 {
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execsql {SELECT CAST(null AS REAL)}
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} {{}}
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do_test cast-1.61 {
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execsql {SELECT typeof(CAST(null AS REAL))}
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} {null}
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do_test cast-1.62 {
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execsql {SELECT CAST(1 AS REAL)}
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} {1.0}
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do_test cast-1.63 {
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execsql {SELECT typeof(CAST(1 AS REAL))}
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} {real}
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do_test cast-1.64 {
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execsql {SELECT CAST('1' AS REAL)}
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} {1.0}
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do_test cast-1.65 {
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execsql {SELECT typeof(CAST('1' AS REAL))}
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} {real}
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do_test cast-1.66 {
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execsql {SELECT CAST('abc' AS REAL)}
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} {0.0}
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do_test cast-1.67 {
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execsql {SELECT typeof(CAST('abc' AS REAL))}
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} {real}
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do_test cast-1.68 {
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execsql {SELECT CAST(x'31' AS REAL)}
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} {1.0}
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do_test cast-1.69 {
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execsql {SELECT typeof(CAST(x'31' AS REAL))}
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} {real}
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# Ticket #1662. Ignore leading spaces in numbers when casting.
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#
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do_test cast-2.1 {
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execsql {SELECT CAST(' 123' AS integer)}
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} 123
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do_test cast-2.2 {
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execsql {SELECT CAST(' -123.456' AS real)}
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} -123.456
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# ticket #2364. Use full percision integers if possible when casting
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# to numeric. Do not fallback to real (and the corresponding 48-bit
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# mantissa) unless absolutely necessary.
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#
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do_test cast-3.1 {
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execsql {SELECT CAST(9223372036854774800 AS integer)}
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} 9223372036854774800
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do_test cast-3.2 {
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execsql {SELECT CAST(9223372036854774800 AS numeric)}
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} 9223372036854774800
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do_realnum_test cast-3.3 {
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execsql {SELECT CAST(9223372036854774800 AS real)}
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} 9.22337203685477e+18
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do_test cast-3.4 {
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execsql {SELECT CAST(CAST(9223372036854774800 AS real) AS integer)}
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} 9223372036854774784
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do_test cast-3.5 {
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execsql {SELECT CAST(-9223372036854774800 AS integer)}
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} -9223372036854774800
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do_test cast-3.6 {
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execsql {SELECT CAST(-9223372036854774800 AS numeric)}
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} -9223372036854774800
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do_realnum_test cast-3.7 {
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execsql {SELECT CAST(-9223372036854774800 AS real)}
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} -9.22337203685477e+18
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do_test cast-3.8 {
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execsql {SELECT CAST(CAST(-9223372036854774800 AS real) AS integer)}
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} -9223372036854774784
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do_test cast-3.11 {
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execsql {SELECT CAST('9223372036854774800' AS integer)}
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} 9223372036854774800
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do_test cast-3.12 {
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execsql {SELECT CAST('9223372036854774800' AS numeric)}
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} 9223372036854774800
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do_realnum_test cast-3.13 {
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execsql {SELECT CAST('9223372036854774800' AS real)}
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} 9.22337203685477e+18
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ifcapable long_double {
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do_test cast-3.14 {
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execsql {SELECT CAST(CAST('9223372036854774800' AS real) AS integer)}
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} 9223372036854774784
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}
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do_test cast-3.15 {
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execsql {SELECT CAST('-9223372036854774800' AS integer)}
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} -9223372036854774800
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do_test cast-3.16 {
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execsql {SELECT CAST('-9223372036854774800' AS numeric)}
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} -9223372036854774800
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do_realnum_test cast-3.17 {
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execsql {SELECT CAST('-9223372036854774800' AS real)}
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} -9.22337203685477e+18
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ifcapable long_double {
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do_test cast-3.18 {
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execsql {SELECT CAST(CAST('-9223372036854774800' AS real) AS integer)}
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} -9223372036854774784
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}
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if {[db eval {PRAGMA encoding}]=="UTF-8"} {
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do_test cast-3.21 {
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execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS integer)}
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} 9223372036854774800
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do_test cast-3.22 {
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execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS numeric)}
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} 9223372036854774800
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do_realnum_test cast-3.23 {
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execsql {SELECT CAST(x'39323233333732303336383534373734383030' AS real)}
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} 9.22337203685477e+18
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ifcapable long_double {
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do_test cast-3.24 {
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execsql {
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SELECT CAST(CAST(x'39323233333732303336383534373734383030' AS real)
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AS integer)
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}
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} 9223372036854774784
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}
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}
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do_test cast-3.31 {
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execsql {SELECT CAST(NULL AS numeric)}
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} {{}}
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# Test to see if it is possible to trick SQLite into reading past
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# the end of a blob when converting it to a number.
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do_test cast-3.32.1 {
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set blob "1234567890"
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set DB [sqlite3_connection_pointer db]
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set ::STMT [sqlite3_prepare $DB {SELECT CAST(? AS real)} -1 TAIL]
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sqlite3_bind_blob -static $::STMT 1 $blob 5
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sqlite3_step $::STMT
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} {SQLITE_ROW}
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do_test cast-3.32.2 {
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sqlite3_column_int $::STMT 0
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} {12345}
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do_test cast-3.32.3 {
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sqlite3_finalize $::STMT
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} {SQLITE_OK}
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do_test cast-4.1 {
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db eval {
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CREATE TABLE t1(a);
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INSERT INTO t1 VALUES('abc');
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SELECT a, CAST(a AS integer) FROM t1;
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}
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} {abc 0}
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do_test cast-4.2 {
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db eval {
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SELECT CAST(a AS integer), a FROM t1;
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}
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} {0 abc}
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do_test cast-4.3 {
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db eval {
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SELECT a, CAST(a AS integer), a FROM t1;
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}
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} {abc 0 abc}
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do_test cast-4.4 {
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db eval {
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SELECT CAST(a AS integer), a, CAST(a AS real), a FROM t1;
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}
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} {0 abc 0.0 abc}
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# Added 2018-01-26
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#
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# EVIDENCE-OF: R-48741-32454 If the prefix integer is greater than
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# +9223372036854775807 then the result of the cast is exactly
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# +9223372036854775807.
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do_execsql_test cast-5.1 {
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SELECT CAST('9223372036854775808' AS integer);
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SELECT CAST(' +000009223372036854775808' AS integer);
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SELECT CAST('12345678901234567890123' AS INTEGER);
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} {9223372036854775807 9223372036854775807 9223372036854775807}
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# EVIDENCE-OF: R-06028-16857 Similarly, if the prefix integer is less
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# than -9223372036854775808 then the result of the cast is exactly
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# -9223372036854775808.
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do_execsql_test cast-5.2 {
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SELECT CAST('-9223372036854775808' AS integer);
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SELECT CAST('-9223372036854775809' AS integer);
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SELECT CAST('-12345678901234567890123' AS INTEGER);
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} {-9223372036854775808 -9223372036854775808 -9223372036854775808}
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# EVIDENCE-OF: R-33990-33527 When casting to INTEGER, if the text looks
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# like a floating point value with an exponent, the exponent will be
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# ignored because it is no part of the integer prefix.
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# EVIDENCE-OF: R-24225-46995 For example, "(CAST '123e+5' AS INTEGER)"
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# results in 123, not in 12300000.
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do_execsql_test cast-5.3 {
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SELECT CAST('123e+5' AS INTEGER);
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SELECT CAST('123e+5' AS NUMERIC);
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SELECT CAST('123e+5' AS REAL);
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} {123 12300000 12300000.0}
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# The following does not have anything to do with the CAST operator,
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# but it does deal with affinity transformations.
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#
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do_execsql_test cast-6.1 {
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1(a NUMERIC);
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INSERT INTO t1 VALUES
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('9000000000000000001'),
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('9000000000000000001 '),
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(' 9000000000000000001'),
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(' 9000000000000000001 ');
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SELECT * FROM t1;
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} {9000000000000000001 9000000000000000001 9000000000000000001 9000000000000000001}
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# 2019-06-07
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# https://www.sqlite.org/src/info/4c2d7639f076aa7c
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do_execsql_test cast-7.1 {
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SELECT CAST('-' AS NUMERIC);
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} {0}
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do_execsql_test cast-7.2 {
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SELECT CAST('-0' AS NUMERIC);
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} {0}
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do_execsql_test cast-7.3 {
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SELECT CAST('+' AS NUMERIC);
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} {0}
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do_execsql_test cast-7.4 {
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SELECT CAST('/' AS NUMERIC);
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} {0}
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# 2019-06-07
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# https://www.sqlite.org/src/info/e8bedb2a184001bb
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do_execsql_test cast-7.10 {
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SELECT '' - 2851427734582196970;
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} {-2851427734582196970}
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do_execsql_test cast-7.11 {
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SELECT 0 - 2851427734582196970;
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} {-2851427734582196970}
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do_execsql_test cast-7.12 {
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SELECT '' - 1;
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} {-1}
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# 2019-06-10
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# https://www.sqlite.org/src/info/dd6bffbfb6e61db9
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#
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# EVIDENCE-OF: R-55084-10555 Casting a TEXT or BLOB value into NUMERIC
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# yields either an INTEGER or a REAL result.
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#
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do_execsql_test cast-7.20 {
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DROP TABLE IF EXISTS t0;
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CREATE TABLE t0 (c0 TEXT);
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INSERT INTO t0(c0) VALUES ('1.0');
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SELECT CAST(c0 AS NUMERIC) FROM t0;
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} {1}
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# 2019-06-10
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# https://sqlite.org/src/info/27de823723a41df45af3
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#
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do_execsql_test cast-7.30 {
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SELECT -'.';
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} 0
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do_execsql_test cast-7.31 {
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SELECT '.'+0;
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} 0
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do_execsql_test cast-7.32 {
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SELECT CAST('.' AS numeric);
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} 0
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do_execsql_test cast-7.33 {
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SELECT -CAST('.' AS numeric);
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} 0
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# 2019-06-12
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# https://www.sqlite.org/src/info/674385aeba91c774
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#
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do_execsql_test cast-7.40 {
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SELECT CAST('-0.0' AS numeric);
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} 0
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do_execsql_test cast-7.41 {
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SELECT CAST('0.0' AS numeric);
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} 0
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do_execsql_test cast-7.42 {
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SELECT CAST('+0.0' AS numeric);
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} 0
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do_execsql_test cast-7.43 {
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SELECT CAST('-1.0' AS numeric);
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} -1
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ifcapable utf16 {
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reset_db
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execsql { PRAGMA encoding='utf16' }
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do_execsql_test cast-8.1 {
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SELECT quote(X'310032003300')==quote(substr(X'310032003300', 1))
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} 1
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do_execsql_test cast-8.2 {
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SELECT CAST(X'310032003300' AS TEXT)
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|
==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;
|
|
} {0.0}
|
|
|
|
# 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 dual CROSS JOIN (SELECT CAST(4 AS NUMERIC) AS x);
|
|
} {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 dual CROSS JOIN (SELECT CAST(4.0 AS NUMERIC) AS x);
|
|
} {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 dual CROSS JOIN (SELECT CAST(4.5 AS NUMERIC) AS x);
|
|
} {4.5 real}
|
|
|
|
# 2022-12-15 dbsqlfuzz c9ee6f9a0a8b8fefb02cf69de2a8b67ca39525c8
|
|
#
|
|
# Added a new SQLITE_AFF_FLEXNUM that does not try to convert int to real or
|
|
# real to int.
|
|
#
|
|
do_execsql_test cast-10.1 {
|
|
VALUES(CAST(44 AS REAL)),(55);
|
|
} {44.0 55}
|
|
do_execsql_test cast-10.2 {
|
|
SELECT CAST(44 AS REAL) AS 'm' UNION ALL SELECT 55;
|
|
} {44.0 55}
|
|
do_execsql_test cast-10.3 {
|
|
SELECT * FROM (VALUES(CAST(44 AS REAL)),(55));
|
|
} {44.0 55}
|
|
do_execsql_test cast-10.4 {
|
|
SELECT * FROM (SELECT CAST(44 AS REAL) AS 'm' UNION ALL SELECT 55);
|
|
} {44.0 55}
|
|
do_execsql_test cast-10.5 {
|
|
SELECT * FROM dual CROSS JOIN (VALUES(CAST(44 AS REAL)),(55));
|
|
} {X 44.0 X 55}
|
|
do_execsql_test cast-10.6 {
|
|
SELECT * FROM dual CROSS JOIN (SELECT CAST(44 AS REAL) AS 'm'
|
|
UNION ALL SELECT 55);
|
|
} {X 44.0 X 55}
|
|
ifcapable vtab {
|
|
do_execsql_test cast-10.7 {
|
|
DROP VIEW v1;
|
|
CREATE VIEW v1 AS SELECT CAST(44 AS REAL) AS 'm' UNION ALL SELECT 55;
|
|
SELECT name, type FROM pragma_table_info('v1');
|
|
} {m NUM}
|
|
do_execsql_test cast-10.8 {
|
|
CREATE VIEW v2 AS VALUES(CAST(44 AS REAL)),(55);
|
|
SELECT type FROM pragma_table_info('v2');
|
|
} {NUM}
|
|
do_execsql_test cast-10.9 {
|
|
SELECT * FROM v1;
|
|
} {44.0 55}
|
|
do_execsql_test cast-10.10 {
|
|
SELECT * FROM v2;
|
|
} {44.0 55}
|
|
}
|
|
|
|
finish_test
|