64 lines
1.8 KiB
Plaintext
64 lines
1.8 KiB
Plaintext
# 2015-03-19
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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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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set ::testprefix whereK
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do_execsql_test 1.0 {
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CREATE TABLE t1(v, w TEXT, x, PRIMARY KEY(w, x)) WITHOUT ROWID;
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INSERT INTO t1 VALUES('a', 1, 1);
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INSERT INTO t1 VALUES('B', 2, 2);
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INSERT INTO t1 VALUES('C', 3, 3);
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INSERT INTO t1 VALUES('d', 4, 4);
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CREATE TABLE t2(v, w TEXT, x, PRIMARY KEY(w, x));
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CREATE TABLE t3(a, b, c);
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CREATE UNIQUE INDEX t3a ON t3(a);
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}
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do_eqp_test 1.1.1 {
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SELECT v FROM t1 WHERE w IS ? AND x IS ?
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} {/SEARCH TABLE t1.*(w=. AND x=.)/}
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do_eqp_test 1.1.2 {
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SELECT v FROM t2 WHERE w IS ? AND x IS ?
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} {/SCAN TABLE t2/}
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do_execsql_test 1.2.1 { SELECT v FROM t1 WHERE w IS 1 AND x IS 1 } {a}
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do_execsql_test 1.2.2 { SELECT v FROM t1 WHERE w IS '2' AND x IS 2 } {B}
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do_execsql_test 1.2.3 { SELECT v FROM t1 WHERE w IS 3 AND x IS '3' } {}
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do_execsql_test 1.2.4 { SELECT v FROM t1 WHERE w IS '4' AND x IS '4' } {}
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# IS constraints may only be used if all fields of the index are
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# constrained by either "IS" or "=".
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#
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do_eqp_test 1.3.1 {
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SELECT v FROM t1 WHERE w IS ?
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} {/SCAN TABLE t1/}
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do_eqp_test 1.3.2 {
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SELECT v FROM t1 WHERE w IS ? AND x > ?
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} {/SCAN TABLE t1/}
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do_execsql_test 1.4.1 { SELECT v FROM t1 WHERE w IS 3 AND x = 3 } {C}
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do_execsql_test 1.4.2 { SELECT v FROM t1 WHERE w = '4' AND x IS 4 } {d}
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do_eqp_test 1.5.1 { SELECT b FROM t3 WHERE a IS ? } {/SCAN TABLE/}
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do_eqp_test 1.5.2 { SELECT b FROM t3 WHERE a = ? } {/SEARCH TABLE/}
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finish_test
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