Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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96
testdata/tcl/window5.test
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96
testdata/tcl/window5.test
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# 2018 May 8
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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. Specifically,
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# it tests the sqlite3_create_window_function() API.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set testprefix window5
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ifcapable !windowfunc {
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finish_test
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return
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}
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proc m_step {ctx val} {
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lappend ctx $val
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return $ctx
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}
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proc m_value {ctx} {
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set lSort [lsort $ctx]
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set nVal [llength $lSort]
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set n [expr $nVal/2]
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if {($nVal % 2)==0 && $nVal>0} {
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set a [lindex $lSort $n]
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set b [lindex $lSort $n-1]
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if {($a+$b) % 2} {
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set ret [expr ($a+$b)/2.0]
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} else {
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set ret [expr ($a+$b)/2]
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}
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} else {
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set ret [lindex $lSort $n]
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}
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return $ret
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}
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proc m_inverse {ctx val} {
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set ctx [lrange $ctx 1 end]
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return $ctx
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}
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proc w_value {ctx} {
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lsort $ctx
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}
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sqlite3_create_window_function db median m_step m_value m_value m_inverse
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sqlite3_create_window_function db win m_step w_value w_value m_inverse
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do_test 0.0 {
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test_create_window_function_misuse db
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} {}
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do_execsql_test 1.0 {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(4, 'a');
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INSERT INTO t1 VALUES(6, 'b');
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INSERT INTO t1 VALUES(1, 'c');
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INSERT INTO t1 VALUES(5, 'd');
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INSERT INTO t1 VALUES(2, 'e');
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INSERT INTO t1 VALUES(3, 'f');
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}
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do_execsql_test 1.1 {
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SELECT win(a) OVER (ORDER BY b), median(a) OVER (ORDER BY b) FROM t1;
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} {4 4 {4 6} 5 {1 4 6} 4 {1 4 5 6} 4.5 {1 2 4 5 6} 4 {1 2 3 4 5 6} 3.5}
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test_create_sumint db
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do_execsql_test 2.0 {
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SELECT sumint(a) OVER (ORDER BY rowid) FROM t1 ORDER BY rowid;
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} {4 10 11 16 18 21}
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do_execsql_test 2.1 {
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SELECT sumint(a) OVER (ORDER BY rowid ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING) FROM t1 ORDER BY rowid;
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} {10 11 12 8 10 5}
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test_override_sum db
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do_catchsql_test 3.0 {
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SELECT sum(a) OVER
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(ORDER BY b ROWS BETWEEN 1 PRECEDING AND CURRENT ROW)
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FROM t1;
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} {1 {sum() may not be used as a window function}}
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do_execsql_test 3.1 {
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SELECT sum(a) FROM t1;
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} {21}
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finish_test
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