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+# 2005 November 2
+#
+# The author disclaims copyright to this source code. In place of
+# a legal notice, here is a blessing:
+#
+# May you do good and not evil.
+# May you find forgiveness for yourself and forgive others.
+# May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library. The
+# focus of this file is testing CHECK constraints
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set ::testprefix check
+
+# Only run these tests if the build includes support for CHECK constraints
+ifcapable !check {
+ finish_test
+ return
+}
+sqlite3_db_config db SQLITE_DBCONFIG_DQS_DDL 1
+sqlite3_db_config db SQLITE_DBCONFIG_DQS_DML 1
+
+do_test check-1.1 {
+ execsql {
+ CREATE TABLE t1(
+ x INTEGER CHECK( x<5 ),
+ y REAL CHECK( y>x )
+ );
+ }
+} {}
+do_test check-1.2 {
+ execsql {
+ INSERT INTO t1 VALUES(3,4);
+ SELECT * FROM t1;
+ }
+} {3 4.0}
+do_test check-1.3 {
+ catchsql {
+ INSERT INTO t1 VALUES(6,7);
+ }
+} {1 {CHECK constraint failed: x<5}}
+do_test check-1.4 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {3 4.0}
+do_test check-1.5 {
+ catchsql {
+ INSERT INTO t1 VALUES(4,3);
+ }
+} {1 {CHECK constraint failed: y>x}}
+do_test check-1.6 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {3 4.0}
+do_test check-1.7 {
+ catchsql {
+ INSERT INTO t1 VALUES(NULL,6);
+ }
+} {0 {}}
+do_test check-1.8 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {3 4.0 {} 6.0}
+do_test check-1.9 {
+ catchsql {
+ INSERT INTO t1 VALUES(2,NULL);
+ }
+} {0 {}}
+do_test check-1.10 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {3 4.0 {} 6.0 2 {}}
+do_test check-1.11 {
+ execsql {
+ DELETE FROM t1 WHERE x IS NULL OR x!=3;
+ UPDATE t1 SET x=2 WHERE x==3;
+ SELECT * FROM t1;
+ }
+} {2 4.0}
+do_test check-1.12 {
+ catchsql {
+ UPDATE t1 SET x=7 WHERE x==2
+ }
+} {1 {CHECK constraint failed: x<5}}
+do_test check-1.13 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {2 4.0}
+do_test check-1.14 {
+ catchsql {
+ UPDATE t1 SET x=5 WHERE x==2
+ }
+} {1 {CHECK constraint failed: x<5}}
+do_test check-1.15 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {2 4.0}
+do_test check-1.16 {
+ catchsql {
+ UPDATE t1 SET x=4, y=11 WHERE x==2
+ }
+} {0 {}}
+do_test check-1.17 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {4 11.0}
+
+do_test check-2.1 {
+ execsql {
+ PRAGMA writable_schema = 1;
+ CREATE TABLE t2(
+ x INTEGER CONSTRAINT one CHECK( typeof(coalesce(x,0))=="integer" ),
+ y REAL CONSTRAINT two CHECK( typeof(coalesce(y,0.1))=='real' ),
+ z TEXT CONSTRAINT three CHECK( typeof(coalesce(z,''))=='text' )
+ );
+ CREATE TABLE t2n(
+ x INTEGER CONSTRAINT one CHECK( typeof(coalesce(x,0))=="integer" ),
+ y NUMERIC CONSTRAINT two CHECK( typeof(coalesce(y,0.1))=='real' ),
+ z TEXT CONSTRAINT three CHECK( typeof(coalesce(z,''))=='text' )
+ );
+ PRAGMA writable_schema = 0;
+ }
+} {}
+do_test check-2.2 {
+ execsql {
+ INSERT INTO t2 VALUES(1,2.2,'three');
+ SELECT * FROM t2;
+ }
+} {1 2.2 three}
+db close
+sqlite3 db test.db
+sqlite3_db_config db SQLITE_DBCONFIG_DQS_DDL 1
+sqlite3_db_config db SQLITE_DBCONFIG_DQS_DML 1
+do_test check-2.3 {
+ execsql {
+ INSERT INTO t2 VALUES(NULL, NULL, NULL);
+ SELECT * FROM t2;
+ }
+} {1 2.2 three {} {} {}}
+do_test check-2.4 {
+ catchsql {
+ INSERT INTO t2 VALUES(1.1, NULL, NULL);
+ }
+} {1 {CHECK constraint failed: one}}
+do_test check-2.5 {
+ # The 5 gets automatically promoted to 5.0 because the column type is REAL
+ catchsql {
+ INSERT INTO t2 VALUES(NULL, 5, NULL);
+ }
+} {0 {}}
+do_test check-2.5b {
+ # This time the column type is NUMERIC, so not automatic promption to REAL
+ # occurs and the constraint fails.
+ catchsql {
+ INSERT INTO t2n VALUES(NULL, 5, NULL);
+ }
+} {1 {CHECK constraint failed: two}}
+do_test check-2.6 {
+ catchsql {
+ INSERT INTO t2 VALUES(NULL, NULL, 3.14159);
+ }
+} {0 {}}
+
+# Undocumented behavior: The CONSTRAINT name clause can follow a constraint.
+# Such a clause is ignored. But the parser must accept it for backwards
+# compatibility.
+#
+do_test check-2.10 {
+ execsql {
+ CREATE TABLE t2b(
+ x INTEGER CHECK( typeof(coalesce(x,0))=='integer' ) CONSTRAINT one,
+ y TEXT PRIMARY KEY constraint two,
+ z INTEGER,
+ UNIQUE(x,z) constraint three
+ );
+ }
+} {}
+do_test check-2.11 {
+ catchsql {
+ INSERT INTO t2b VALUES('xyzzy','hi',5);
+ }
+} {1 {CHECK constraint failed: typeof(coalesce(x,0))=='integer'}}
+do_test check-2.12 {
+ execsql {
+ CREATE TABLE t2c(
+ x INTEGER CONSTRAINT x_one CONSTRAINT x_two
+ CHECK( typeof(coalesce(x,0))=='integer' )
+ CONSTRAINT x_two CONSTRAINT x_three,
+ y INTEGER, z INTEGER,
+ CONSTRAINT u_one UNIQUE(x,y,z) CONSTRAINT u_two
+ );
+ }
+} {}
+do_test check-2.13 {
+ catchsql {
+ INSERT INTO t2c VALUES('xyzzy',7,8);
+ }
+} {1 {CHECK constraint failed: x_two}}
+do_test check-2.cleanup {
+ execsql {
+ DROP TABLE IF EXISTS t2b;
+ DROP TABLE IF EXISTS t2c;
+ DROP TABLE IF EXISTS t2n;
+ }
+} {}
+
+ifcapable subquery {
+ do_test check-3.1 {
+ catchsql {
+ CREATE TABLE t3(
+ x, y, z,
+ CHECK( x<(SELECT min(x) FROM t1) )
+ );
+ }
+ } {1 {subqueries prohibited in CHECK constraints}}
+}
+
+do_test check-3.2 {
+ execsql {
+ SELECT name FROM sqlite_master ORDER BY name
+ }
+} {t1 t2}
+do_test check-3.3 {
+ catchsql {
+ CREATE TABLE t3(
+ x, y, z,
+ CHECK( q<x )
+ );
+ }
+} {1 {no such column: q}}
+do_test check-3.4 {
+ execsql {
+ SELECT name FROM sqlite_master ORDER BY name
+ }
+} {t1 t2}
+do_test check-3.5 {
+ catchsql {
+ CREATE TABLE t3(
+ x, y, z,
+ CHECK( t2.x<x )
+ );
+ }
+} {1 {no such column: t2.x}}
+do_test check-3.6 {
+ execsql {
+ SELECT name FROM sqlite_master ORDER BY name
+ }
+} {t1 t2}
+do_test check-3.7 {
+ catchsql {
+ CREATE TABLE t3(
+ x, y, z,
+ CHECK( t3.x<25 )
+ );
+ }
+} {0 {}}
+do_test check-3.8 {
+ execsql {
+ INSERT INTO t3 VALUES(1,2,3);
+ SELECT * FROM t3;
+ }
+} {1 2 3}
+do_test check-3.9 {
+ catchsql {
+ INSERT INTO t3 VALUES(111,222,333);
+ }
+} {1 {CHECK constraint failed: t3.x<25}}
+
+do_test check-4.1 {
+ execsql {
+ CREATE TABLE t4(x, y,
+ CHECK (
+ x+y==11
+ OR x*y==12
+ OR x/y BETWEEN 5 AND 8
+ OR -x==y+10
+ )
+ );
+ }
+} {}
+do_test check-4.2 {
+ execsql {
+ INSERT INTO t4 VALUES(1,10);
+ SELECT * FROM t4
+ }
+} {1 10}
+do_test check-4.3 {
+ execsql {
+ UPDATE t4 SET x=4, y=3;
+ SELECT * FROM t4
+ }
+} {4 3}
+do_test check-4.4 {
+ execsql {
+ UPDATE t4 SET x=12, y=2;
+ SELECT * FROM t4
+ }
+} {12 2}
+do_test check-4.5 {
+ execsql {
+ UPDATE t4 SET x=12, y=-22;
+ SELECT * FROM t4
+ }
+} {12 -22}
+do_test check-4.6 {
+ catchsql {
+ UPDATE t4 SET x=0, y=1;
+ }
+} {1 {CHECK constraint failed: x+y==11
+ OR x*y==12
+ OR x/y BETWEEN 5 AND 8
+ OR -x==y+10}}
+do_test check-4.7 {
+ execsql {
+ SELECT * FROM t4;
+ }
+} {12 -22}
+do_test check-4.8 {
+ execsql {
+ PRAGMA ignore_check_constraints=ON;
+ UPDATE t4 SET x=0, y=1;
+ SELECT * FROM t4;
+ PRAGMA integrity_check;
+ }
+} {0 1 ok}
+do_execsql_test check-4.8.1 {
+ PRAGMA ignore_check_constraints=OFF;
+ PRAGMA integrity_check;
+} {{CHECK constraint failed in t4}}
+do_test check-4.9 {
+ catchsql {
+ UPDATE t4 SET x=0, y=2;
+ }
+} {1 {CHECK constraint failed: x+y==11
+ OR x*y==12
+ OR x/y BETWEEN 5 AND 8
+ OR -x==y+10}}
+ifcapable vacuum {
+ do_test check_4.10 {
+ catchsql {
+ VACUUM
+ }
+ } {0 {}}
+}
+
+do_test check-5.1 {
+ catchsql {
+ CREATE TABLE t5(x, y,
+ CHECK( x*y<:abc )
+ );
+ }
+} {1 {parameters prohibited in CHECK constraints}}
+do_test check-5.2 {
+ catchsql {
+ CREATE TABLE t5(x, y,
+ CHECK( x*y<? )
+ );
+ }
+} {1 {parameters prohibited in CHECK constraints}}
+
+ifcapable conflict {
+
+do_test check-6.1 {
+ execsql {SELECT * FROM t1}
+} {4 11.0}
+do_test check-6.2 {
+ execsql {
+ UPDATE OR IGNORE t1 SET x=5;
+ SELECT * FROM t1;
+ }
+} {4 11.0}
+do_test check-6.3 {
+ execsql {
+ INSERT OR IGNORE INTO t1 VALUES(5,4.0);
+ SELECT * FROM t1;
+ }
+} {4 11.0}
+do_test check-6.4 {
+ execsql {
+ INSERT OR IGNORE INTO t1 VALUES(2,20.0);
+ SELECT * FROM t1;
+ }
+} {4 11.0 2 20.0}
+do_test check-6.5 {
+ catchsql {
+ UPDATE OR FAIL t1 SET x=7-x, y=y+1;
+ }
+} {1 {CHECK constraint failed: x<5}}
+do_test check-6.6 {
+ execsql {
+ SELECT * FROM t1;
+ }
+} {3 12.0 2 20.0}
+do_test check-6.7 {
+ catchsql {
+ BEGIN;
+ INSERT INTO t1 VALUES(1,30.0);
+ INSERT OR ROLLBACK INTO t1 VALUES(8,40.0);
+ }
+} {1 {CHECK constraint failed: x<5}}
+do_test check-6.8 {
+ catchsql {
+ COMMIT;
+ }
+} {1 {cannot commit - no transaction is active}}
+do_test check-6.9 {
+ execsql {
+ SELECT * FROM t1
+ }
+} {3 12.0 2 20.0}
+
+do_test check-6.11 {
+ execsql {SELECT * FROM t1}
+} {3 12.0 2 20.0}
+do_test check-6.12 {
+ catchsql {
+ REPLACE INTO t1 VALUES(6,7);
+ }
+} {1 {CHECK constraint failed: x<5}}
+do_test check-6.13 {
+ execsql {SELECT * FROM t1}
+} {3 12.0 2 20.0}
+do_test check-6.14 {
+ catchsql {
+ INSERT OR IGNORE INTO t1 VALUES(6,7);
+ }
+} {0 {}}
+do_test check-6.15 {
+ execsql {SELECT * FROM t1}
+} {3 12.0 2 20.0}
+
+
+}
+
+#--------------------------------------------------------------------------
+# If a connection opens a database that contains a CHECK constraint that
+# uses an unknown UDF, the schema should not be considered malformed.
+# Attempting to modify the table should fail (since the CHECK constraint
+# cannot be tested).
+#
+reset_db
+proc myfunc {x} {expr $x < 10}
+db func myfunc -deterministic myfunc
+
+do_execsql_test 7.1 { CREATE TABLE t6(a CHECK (myfunc(a))) }
+do_execsql_test 7.2 { INSERT INTO t6 VALUES(9) }
+do_catchsql_test 7.3 { INSERT INTO t6 VALUES(11) } \
+ {1 {CHECK constraint failed: myfunc(a)}}
+
+do_test 7.4 {
+ sqlite3 db2 test.db
+ execsql { SELECT * FROM t6 } db2
+} {9}
+
+do_test 7.5 {
+ catchsql { INSERT INTO t6 VALUES(8) } db2
+} {1 {unknown function: myfunc()}}
+
+do_test 7.6 {
+ catchsql { CREATE TABLE t7(a CHECK (myfunc(a))) } db2
+} {1 {no such function: myfunc}}
+
+do_test 7.7 {
+ db2 func myfunc myfunc
+ execsql { INSERT INTO t6 VALUES(8) } db2
+} {}
+
+do_test 7.8 {
+ db2 func myfunc myfunc
+ catchsql { INSERT INTO t6 VALUES(12) } db2
+} {1 {CHECK constraint failed: myfunc(a)}}
+
+# 2013-08-02: Silently ignore database name qualifiers in CHECK constraints.
+#
+do_execsql_test 8.1 {
+ CREATE TABLE t810(a, CHECK( main.t810.a>0 ));
+ CREATE TABLE t811(b, CHECK( xyzzy.t811.b BETWEEN 5 AND 10 ));
+} {}
+
+# Make sure check constraints involving the ROWID are not ignored
+#
+do_execsql_test 9.1 {
+ CREATE TABLE t1(
+ a INTEGER PRIMARY KEY,
+ b INTEGER NOT NULL CONSTRAINT 'b-check' CHECK( b>a ),
+ c INTEGER NOT NULL CONSTRAINT 'c-check' CHECK( c>rowid*2 ),
+ d INTEGER NOT NULL CONSTRAINT 'd-check' CHECK( d BETWEEN b AND c )
+ );
+ INSERT INTO t1(a,b,c,d) VALUES(1,2,4,3),(2,4,6,5),(3,10,30,20);
+} {}
+do_catchsql_test 9.2 {
+ UPDATE t1 SET b=0 WHERE a=1;
+} {1 {CHECK constraint failed: b-check}}
+do_catchsql_test 9.3 {
+ UPDATE t1 SET c=a*2 WHERE a=1;
+} {1 {CHECK constraint failed: c-check}}
+
+# Integrity check on a VIEW with columns.
+#
+db close
+db2 close
+forcedelete test.db
+sqlite3 db test.db
+do_execsql_test 10.1 {
+ CREATE TABLE t1(x);
+ CREATE VIEW v1(y) AS SELECT x FROM t1;
+ PRAGMA integrity_check;
+} {ok}
+
+#-------------------------------------------------------------------------
+reset_db
+do_execsql_test 11.0 {
+ CREATE TABLE t1 (Col0 CHECK(1 COLLATE BINARY BETWEEN 1 AND 1) ) ;
+}
+do_execsql_test 11.1 {
+ INSERT INTO t1 VALUES (NULL);
+}
+do_execsql_test 11.2 {
+ INSERT INTO t1 VALUES (NULL);
+}
+
+do_execsql_test 11.3 {
+ CREATE TABLE t2(b, a CHECK(
+ CASE 'abc' COLLATE nocase WHEN a THEN 1 ELSE 0 END)
+ );
+}
+do_execsql_test 11.4 {
+ INSERT INTO t2(a) VALUES('abc');
+}
+do_execsql_test 11.5 {
+ INSERT INTO t2(b, a) VALUES(1, 'abc'||'');
+}
+do_execsql_test 11.6 {
+ INSERT INTO t2(b, a) VALUES(2, 'abc');
+}
+
+# 2019-12-24 ticket b383b90278186263
+#
+reset_db
+do_execsql_test 12.10 {
+ CREATE TABLE t1(a TEXT, CHECK(a=+a));
+ INSERT INTO t1(a) VALUES(NULL),('xyz'),(5),(x'303132'),(4.75);
+ SELECT quote(a) FROM t1 ORDER BY rowid;
+} {NULL 'xyz' '5' X'303132' '4.75'}
+do_execsql_test 12.20 {
+ DROP TABLE t1;
+ CREATE TABLE t1(a TEXT, CHECK(a<>+a));
+ INSERT INTO t1(a) VALUES(NULL);
+} {}
+do_catchsql_test 12.21 {
+ INSERT INTO t1(a) VALUES('xyz');
+} {1 {CHECK constraint failed: a<>+a}}
+do_catchsql_test 12.22 {
+ INSERT INTO t1(a) VALUES(123);
+} {1 {CHECK constraint failed: a<>+a}}
+do_execsql_test 12.30 {
+ DROP TABLE t1;
+ CREATE TABLE t1(a TEXT, CHECK(NOT(a=+a)));
+ INSERT INTO t1(a) VALUES(NULL);
+} {}
+do_catchsql_test 12.31 {
+ INSERT INTO t1(a) VALUES('xyz');
+} {1 {CHECK constraint failed: NOT(a=+a)}}
+do_catchsql_test 12.32 {
+ INSERT INTO t1(a) VALUES(123);
+} {1 {CHECK constraint failed: NOT(a=+a)}}
+do_execsql_test 12.40 {
+ DROP TABLE t1;
+ CREATE TABLE t1(a TEXT, CHECK(NOT(a<>+a)));
+ INSERT INTO t1(a) VALUES(NULL),('xyz'),(5),(x'303132'),(4.75);
+ SELECT quote(a) FROM t1 ORDER BY rowid;
+} {NULL 'xyz' '5' X'303132' '4.75'}
+do_execsql_test 12.50 {
+ DROP TABLE t1;
+ CREATE TABLE t1(a TEXT, CHECK(a BETWEEN 0 AND +a));
+ INSERT INTO t1(a) VALUES(NULL),('xyz'),(5),(x'303132'),(4.75);
+ SELECT quote(a) FROM t1 ORDER BY rowid;
+} {NULL 'xyz' '5' X'303132' '4.75'}
+do_execsql_test 12.60 {
+ DROP TABLE t1;
+ CREATE TABLE t1(a TEXT, CHECK(a NOT BETWEEN 0 AND +a));
+ INSERT INTO t1(a) VALUES(NULL);
+ SELECT quote(a) FROM t1 ORDER BY rowid;
+} {NULL}
+do_catchsql_test 12.61 {
+ INSERT INTO t1(a) VALUES(456);
+} {1 {CHECK constraint failed: a NOT BETWEEN 0 AND +a}}
+do_execsql_test 12.70 {
+ DROP TABLE t1;
+ CREATE TABLE t1(a TEXT, CHECK(a BETWEEN +a AND 999999));
+ INSERT INTO t1(a) VALUES(NULL),(5);
+ SELECT quote(a) FROM t1 ORDER BY rowid;
+} {NULL '5'}
+do_execsql_test 12.80 {
+ DROP TABLE t1;
+ CREATE TABLE t1(a TEXT, CHECK(a NOT BETWEEN +a AND 999999));
+ INSERT INTO t1(a) VALUES(NULL);
+ SELECT quote(a) FROM t1 ORDER BY rowid;
+} {NULL}
+do_catchsql_test 12.81 {
+ INSERT INTO t1(a) VALUES(456);
+} {1 {CHECK constraint failed: a NOT BETWEEN +a AND 999999}}
+
+finish_test
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-01 22:37:49 +0000