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Attempt to reduce the memory used by VALUES clauses in as many statements as possible, not just INSERT. This branch still has problems.
FossilOrigin-Name: 17d1f7cfabc7593d0725051b0c7c9619a23a482265f30f15ab9493fef5caeeb0
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dan
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test/values.test
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256
test/values.test
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# 2024 March 3
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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.
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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 values
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do_execsql_test 1.0 {
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CREATE TABLE x1(a, b, c);
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}
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explain_i {
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INSERT INTO x1(a, b, c) VALUES(1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4);
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}
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do_execsql_test 1.1.1 {
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INSERT INTO x1 VALUES(1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4);
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}
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do_execsql_test 1.1.2 {
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SELECT * FROM x1;
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} {
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1 1 1
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2 2 2
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3 3 3
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4 4 4
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}
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do_execsql_test 1.2.0 {
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DELETE FROM x1
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}
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do_execsql_test 1.2.1 {
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INSERT INTO x1 VALUES(1, 1, 1), (2, 2, 2), (3, 3, 3) UNION ALL SELECT 4, 4, 4;
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SELECT * FROM x1;
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} {1 1 1 2 2 2 3 3 3 4 4 4}
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sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT 4
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do_execsql_test 1.2.2 {
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DELETE FROM x1;
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INSERT INTO x1
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VALUES(1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4), (5, 5, 5)
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UNION ALL SELECT 6, 6, 6;
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SELECT * FROM x1;
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} {1 1 1 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6}
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do_execsql_test 1.2.3 {
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DELETE FROM x1;
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INSERT INTO x1
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VALUES(1, 1, 1), (2, 2, 2), (3, 3, 3), (4, 4, 4)
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UNION ALL SELECT 6, 6, 6;
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SELECT * FROM x1;
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} {1 1 1 2 2 2 3 3 3 4 4 4 6 6 6}
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do_execsql_test 1.2.4 {
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DELETE FROM x1;
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INSERT INTO x1 VALUES(1, 1, 1), (2, 2, 2), (3, 3, 3) UNION ALL SELECT 6, 6, 6;
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SELECT * FROM x1;
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} {
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1 1 1
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2 2 2
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3 3 3
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6 6 6
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}
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set a 4
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set b 5
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set c 6
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do_execsql_test 1.2.5 {
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DELETE FROM x1;
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INSERT INTO x1
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VALUES(1, 1, 1), (2, 2, 2), (3, 3, 3),
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(4, 4, $a), (5, 5, $b), (6, 6, $c)
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}
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do_execsql_test 1.2.6 {
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SELECT * FROM x1;
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} {
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1 1 1
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2 2 2
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3 3 3
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4 4 4
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5 5 5
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6 6 6
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}
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#-------------------------------------------------------------------------
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# SQLITE_LIMIT_COMPOUND_SELECT set to 0.
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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 x1(a, b, c);
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}
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sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT 3
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do_catchsql_test 2.1.1 {
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INSERT INTO x1 VALUES
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(1, 1, 1),
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(2, 2, 2),
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(3, 3, 3),
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(4, 4, 4),
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(5, 5, 5),
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(6, 6, 6),
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(7, 7, 7),
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(8, 8, 8),
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(9, 9, 9),
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(10, 10, 10, 10)
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} {1 {all VALUES must have the same number of terms}}
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do_catchsql_test 2.1.2 {
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INSERT INTO x1 VALUES
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(1, 1, 1),
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(2, 2, 2, 2),
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(3, 3, 3),
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(4, 4, 4),
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(5, 5, 5),
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(6, 6, 6),
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(7, 7, 7),
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(8, 8, 8),
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(9, 9, 9),
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(10, 10, 10)
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} {1 {all VALUES must have the same number of terms}}
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sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT 0
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do_execsql_test 2.2 {
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INSERT INTO x1 VALUES
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(1, 1, 1),
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(2, 2, 2),
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(3, 3, 3),
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(4, 4, 4),
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(5, 5, 5),
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(6, 6, 6),
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(7, 7, 7),
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(8, 8, 8),
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(9, 9, 9),
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(10, 10, 10)
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} {}
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do_execsql_test 2.3 {
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INSERT INTO x1 VALUES
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(1, 1, 1),
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(2, 2, 2),
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(3, 3, 3),
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(4, 4, 4),
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(5, 5, 5),
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(6, 6, 6),
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(7, 7, 7),
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(8, 8, 8),
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(9, 9, 9),
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(10, 10, 10)
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UNION ALL
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SELECT 5, 12, 12
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ORDER BY 1
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} {}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 3.0 {
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CREATE TABLE y1(x, y);
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}
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do_execsql_test 3.1.1 {
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DELETE FROM y1;
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INSERT INTO y1 VALUES(1, 2), (3, 4), (row_number() OVER (), 5);
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}
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do_execsql_test 3.1.2 {
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SELECT * FROM y1;
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} {1 2 3 4 1 5}
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do_execsql_test 3.2.1 {
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DELETE FROM y1;
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INSERT INTO y1 VALUES(1, 2), (3, 4), (row_number() OVER (), 6)
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, (row_number() OVER (), 7)
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}
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do_execsql_test 3.1.2 {
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SELECT * FROM y1;
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} {1 2 3 4 1 6 1 7}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 4.0 {
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CREATE TABLE x1(a PRIMARY KEY, b) WITHOUT ROWID;
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}
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foreach {tn iLimit} {1 0 2 3} {
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sqlite3_limit db SQLITE_LIMIT_COMPOUND_SELECT $iLimit
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do_execsql_test 4.1.1 {
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DELETE FROM x1;
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INSERT INTO x1 VALUES
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(1, 1),
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(2, (SELECT * FROM (VALUES('a'), ('b'), ('c'), ('d')) ))
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}
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do_execsql_test 4.1.2 {
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SELECT * FROM x1
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} {1 1 2 a}
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do_execsql_test 4.2.1 {
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DELETE FROM x1;
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INSERT INTO x1 VALUES
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(1, 1),
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(2, 2),
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(3, 3),
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(4, 4),
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(5, (SELECT * FROM (VALUES('a'), ('b'), ('c'), ('d')) ))
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}
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do_execsql_test 4.2.2 {
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SELECT * FROM x1
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} {1 1 2 2 3 3 4 4 5 a}
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do_execsql_test 4.3.1 {
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DELETE FROM x1;
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INSERT INTO x1 VALUES
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(1, (SELECT * FROM (VALUES('a'), ('b'), ('c'), ('d'), ('e')) ))
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}
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do_execsql_test 4.3.2 {
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SELECT * FROM x1
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} {1 a}
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}
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#------------------------------------------------------------------------
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reset_db
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do_execsql_test 5.0 {
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CREATE VIEW v1 AS VALUES(1, 2, 3), (4, 5, 6), (7, 8, 9);
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}
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do_execsql_test 5.1 {
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SELECT * FROM v1
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} {1 2 3 4 5 6 7 8 9}
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#-------------------------------------------------------------------------
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reset_db
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do_execsql_test 6.0 {
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES(1), (2);
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}
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do_execsql_test 6.1 {
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SELECT ( VALUES( x ), ( x ) ) FROM t1;
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} {1 2}
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finish_test
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