test: cover compositeUniqueIndexSurvivesReopenAfterCheckpointAndKeeps...
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dualfroz committed
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@@ -372,4 +372,177 @@ class PersistenceTest {
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CREATE UNIQUE INDEX idx_email ON users (email);
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.exit
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""".trimIndent()
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)
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val afterReopen = runScript(
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dir,
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"""
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INSERT INTO users VALUES (2, 'ada@example.com');
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EXPLAIN SELECT id FROM users WHERE email = 'ada@example.com';
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.schema users
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.exit
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""".trimIndent()
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)
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assertContains(afterReopen, "Error")
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assertContains(afterReopen, "UNIQUE constraint")
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assertContains(afterReopen, "Index Scan using idx_email")
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assertContains(afterReopen, "CREATE UNIQUE INDEX idx_email ON users (email);")
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}
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@Test
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fun compositeUniqueIndexSurvivesReopenAfterCheckpointAndKeepsEnforcingAndAccelerating() {
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val dir = tempDir()
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runScript(
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dir,
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"""
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CREATE TABLE orders (id INTEGER PRIMARY KEY, region TEXT, seq INTEGER);
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INSERT INTO orders VALUES (1, 'EU', 1);
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CREATE UNIQUE INDEX idx_region_seq ON orders (region, seq);
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.exit
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""".trimIndent()
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)
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val afterReopen = runScript(
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dir,
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"""
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INSERT INTO orders VALUES (2, 'EU', 1);
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INSERT INTO orders VALUES (3, 'US', 1);
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EXPLAIN SELECT id FROM orders WHERE region = 'EU' AND seq = 1;
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.schema orders
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.exit
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""".trimIndent()
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)
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assertContains(afterReopen, "Error")
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assertContains(afterReopen, "UNIQUE constraint")
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assertContains(afterReopen, "Index Scan using idx_region_seq")
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assertContains(afterReopen, "CREATE UNIQUE INDEX idx_region_seq ON orders (region, seq);")
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}
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@Test
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fun compositePrimaryKeyAndForeignKeySurviveReopenAfterCheckpoint() {
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val dir = tempDir()
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runScript(
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dir,
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"""
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CREATE TABLE orders (region TEXT, order_no INTEGER, PRIMARY KEY (region, order_no));
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CREATE TABLE line_items (region TEXT, order_no INTEGER, sku TEXT, FOREIGN KEY (region, order_no) REFERENCES orders (region, order_no) ON DELETE CASCADE);
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INSERT INTO orders VALUES ('eu', 1);
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INSERT INTO line_items VALUES ('eu', 1, 'SKU1');
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.exit
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""".trimIndent()
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)
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val duplicateRejected = runScript(dir, "INSERT INTO orders VALUES ('eu', 1);\n.exit\n")
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assertContains(duplicateRejected, "Error")
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assertContains(duplicateRejected, "UNIQUE constraint")
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val afterCascade = runScript(
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dir,
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"""
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DELETE FROM orders WHERE region = 'eu';
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SELECT * FROM line_items;
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.exit
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""".trimIndent()
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)
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assertTrue(!afterCascade.contains("SKU1"), "cascade delete across a composite FK must survive reopen")
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}
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@Test
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fun alterTableAddColumnSurvivesReopenAfterCheckpointAndBackfillsAndDefaultsFutureInserts() {
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val dir = tempDir()
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runScript(
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dir,
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"""
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CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT NOT NULL);
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INSERT INTO users VALUES (1, 'ada'), (2, 'linus');
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ALTER TABLE users ADD COLUMN status TEXT NOT NULL DEFAULT 'active';
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INSERT INTO users (id, name) VALUES (3, 'grace');
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.exit
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""".trimIndent()
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)
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val reopened = runScript(dir, "SELECT name, status FROM users ORDER BY id ASC;\n.exit\n")
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assertContains(reopened, "ada")
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assertContains(reopened, "active")
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val statusCount = Regex("active").findAll(reopened).count()
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assertEquals(3, statusCount, "all three rows (backfilled and freshly inserted) must carry the DEFAULT")
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}
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@Test
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fun generatedColumnSurvivesReopenAfterCheckpointAndKeepsComputingFutureInserts() {
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val dir = tempDir()
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runScript(
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dir,
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"""
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CREATE TABLE t (a INTEGER, b INTEGER GENERATED ALWAYS AS (a * 2) STORED);
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INSERT INTO t (a) VALUES (5);
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.exit
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""".trimIndent()
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)
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runScript(dir, "INSERT INTO t (a) VALUES (7);\n.exit\n")
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val reopened = runScript(dir, "SELECT b FROM t ORDER BY a ASC;\n.exit\n")
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assertContains(reopened, "10")
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assertContains(reopened, "14")
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}
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@Test
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fun generatedColumnSurvivesReopenWithoutACheckpointViaWalReplay() {
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val dir = tempDir()
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val persistence = Persistence(dir)
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persistence.appendWal(
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listOf(
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"CREATE TABLE t (a INTEGER, b INTEGER GENERATED ALWAYS AS (a * 2) STORED);",
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"INSERT INTO t (a) VALUES (5);"
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)
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)
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val output = StringBuilder()
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Repl(output, output, Persistence(dir)).run("SELECT b FROM t WHERE a = 5;\n.exit\n".reader().buffered())
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assertContains(output.toString(), "10")
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}
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@Test
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fun alterTableRenameAndDropColumnSurviveReopenWithoutACheckpointViaWalReplay() {
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val dir = tempDir()
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val persistence = Persistence(dir)
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persistence.appendWal(
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listOf(
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"CREATE TABLE t (id INTEGER PRIMARY KEY, bio TEXT, scratch TEXT);",
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"INSERT INTO t VALUES (1, 'mathematician', 'temp');",
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"ALTER TABLE t RENAME COLUMN bio TO biography;",
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"ALTER TABLE t DROP COLUMN scratch;"
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)
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)
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val output = StringBuilder()
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Repl(output, output, Persistence(dir)).run("SELECT biography FROM t WHERE id = 1;\n.exit\n".reader().buffered())
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assertContains(output.toString(), "mathematician")
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}
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@Test
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fun alterTableRenameToSurvivesReopenWithoutACheckpointViaWalReplay() {
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val dir = tempDir()
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val persistence = Persistence(dir)
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persistence.appendWal(
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listOf(
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"CREATE TABLE t (id INTEGER PRIMARY KEY, name TEXT);",
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"INSERT INTO t VALUES (1, 'ada');",
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"ALTER TABLE t RENAME TO people;"
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)
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)
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val output = StringBuilder()
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Repl(output, output, Persistence(dir)).run("SELECT name FROM people WHERE id = 1;\n.tables\n.exit\n".reader().buffered())
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val text = output.toString()
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assertContains(text, "ada")
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val tableLines = text.lines().map { it.trim() }
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assertTrue(tableLines.contains("people"), "renamed table must appear in .tables")
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assertTrue(tableLines.none { it.equals("t", ignoreCase = true) }, "old table name must not linger in .tables")
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}
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@Test
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fun alterTableRenameToPropagatesIntoADependentViewAcrossACheckpointReopen() {
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val dir = tempDir()
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runScript(
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dir,
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"""
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CREATE TABLE departments (id INTEGER PRIMARY KEY, name TEXT);
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INSERT INTO departments VALUES (1, 'eng');
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CREATE VIEW v AS SELECT id, name FROM departments;
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ALTER TABLE departments RENAME TO divisions;
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.exit
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""".trimIndent()
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}
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