142 lines
2.9 KiB
Plaintext
142 lines
2.9 KiB
Plaintext
# 2024-05-01
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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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#
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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 in7
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do_execsql_test 1.0 {
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CREATE TABLE t1(a, b, c PRIMARY KEY);
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CREATE TABLE t2(x, y, z);
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}
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foreach {tn nNext idx sql} {
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1 1 {
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CREATE INDEX i1 ON t1(a, b);
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} {
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SELECT * FROM t1 WHERE (a, b) IN (SELECT x, y FROM t2)
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}
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2 0 {
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CREATE UNIQUE INDEX i1 ON t1(a, b);
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} {
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SELECT * FROM t1 WHERE (a, b) IN (SELECT x, y FROM t2)
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}
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3 0 {
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CREATE UNIQUE INDEX i1 ON t1(a, b);
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} {
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SELECT * FROM t1 WHERE a = ? AND b = ?
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}
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3 1 {
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CREATE UNIQUE INDEX i1 ON t1(a, b);
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} {
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SELECT * FROM t1 WHERE a = ? AND b IS ?
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}
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4 0 {
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CREATE UNIQUE INDEX i1 ON t1(a, b);
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} {
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SELECT * FROM t1 WHERE a = ? AND b IN (?, ?, ?);
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}
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5 1 {
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CREATE UNIQUE INDEX i1 ON t1(a, b, c);
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} {
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SELECT * FROM t1 WHERE a = ? AND b = ?
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}
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6 0 {
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} {
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SELECT * FROM t1 WHERE c IN (SELECT z FROM t2)
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}
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7 0 {
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} {
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SELECT * FROM t1 WHERE (a, c) IN (SELECT z, x FROM t2)
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}
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8 1 {
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} {
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SELECT * FROM t1 WHERE a IN (SELECT z FROM t2)
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}
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9 1 {
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CREATE UNIQUE INDEX i1 ON t1(a, b);
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} {
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SELECT * FROM t1 WHERE a IN (SELECT z FROM t2) AND b IS ?
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}
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10 0 {
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CREATE UNIQUE INDEX i1 ON t1(a, b);
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} {
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SELECT * FROM t1 WHERE a IN (SELECT z FROM t2) AND b = ?
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}
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11 1 {
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CREATE UNIQUE INDEX i1 ON t1(a, b);
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} {
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SELECT * FROM t1 WHERE a IS NULL AND b IN (SELECT z FROM t2)
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}
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12 0 {
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CREATE UNIQUE INDEX i1 ON t1(a, b);
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} {
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SELECT * FROM t1 WHERE a = ? AND b IN (SELECT z FROM t2)
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}
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} {
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do_test 1.1.$tn {
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execsql BEGIN
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execsql $idx
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catch { array unset root_to_tbl }
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catch { array unset csr_to_root }
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db eval {SELECT rootpage, tbl_name FROM sqlite_schema} {
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set root_to_tbl($rootpage) $tbl_name
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}
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set nSeen 0
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db eval "explain $sql" {
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if {$opcode=="OpenRead"} {
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set csr_to_root($p1) $p2
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}
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if {$opcode=="Next"} {
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catch {
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set root $csr_to_root($p1)
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set tbl $root_to_tbl($root)
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if {$tbl=="t1"} {incr nSeen}
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}
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}
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}
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execsql ROLLBACK
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set nSeen
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} $nNext
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}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 2.0 {
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CREATE TABLE t1(a TEXT PRIMARY KEY, b TEXT) WITHOUT ROWID;
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INSERT INTO t1 VALUES('1', 'one');
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INSERT INTO t1 VALUES('2', NULL);
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INSERT INTO t1 VALUES('3', 'three');
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}
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do_execsql_test 2.1 {
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SELECT b FROM t1 WHERE a IN (1,2,3) ORDER BY b ASC NULLS LAST;
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} {one three {}}
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finish_test
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