| 1 | #include "catch.hpp" | 
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| 2 | #include "test_helpers.hpp" | 
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| 3 |  | 
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| 4 | using namespace duckdb; | 
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| 5 | using namespace std; | 
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| 6 |  | 
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| 7 | TEST_CASE( "Single PRIMARY KEY constraint", "[constraints]") { | 
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| 8 | unique_ptr<QueryResult> result; | 
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| 9 | DuckDB db(nullptr); | 
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| 10 | Connection con(db); | 
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| 11 |  | 
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| 12 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE integers(i INTEGER PRIMARY KEY, j INTEGER)")); | 
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| 13 |  | 
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| 14 | // insert two conflicting pairs at the same time | 
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| 15 | REQUIRE_FAIL(con.Query( "INSERT INTO integers VALUES (3, 4), (3, 5)")); | 
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| 16 |  | 
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| 17 | // insert unique values | 
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| 18 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (3, 4), (2, 5)")); | 
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| 19 |  | 
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| 20 | result = con.Query( "SELECT * FROM integers"); | 
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| 21 | REQUIRE(CHECK_COLUMN(result, 0, {3, 2})); | 
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| 22 | REQUIRE(CHECK_COLUMN(result, 1, {4, 5})); | 
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| 23 |  | 
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| 24 | // insert a duplicate value as part of a chain of values | 
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| 25 | REQUIRE_FAIL(con.Query( "INSERT INTO integers VALUES (6, 6), (3, 4);")); | 
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| 26 |  | 
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| 27 | // now insert just the first value | 
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| 28 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (6, 6);")); | 
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| 29 |  | 
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| 30 | result = con.Query( "SELECT * FROM integers"); | 
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| 31 | REQUIRE(CHECK_COLUMN(result, 0, {3, 2, 6})); | 
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| 32 | REQUIRE(CHECK_COLUMN(result, 1, {4, 5, 6})); | 
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| 33 |  | 
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| 34 | // insert NULL value in PRIMARY KEY is not allowed | 
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| 35 | REQUIRE_FAIL(con.Query( "INSERT INTO integers VALUES (NULL, 4);")); | 
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| 36 |  | 
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| 37 | // update NULL is also not allowed | 
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| 38 | REQUIRE_FAIL(con.Query( "UPDATE integers SET i=NULL;")); | 
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| 39 |  | 
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| 40 | // insert the same value from multiple connections | 
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| 41 | // NOTE: this tests current behavior | 
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| 42 | // this can potentially change in the future | 
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| 43 | Connection con2(db); | 
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| 44 |  | 
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| 45 | REQUIRE_NO_FAIL(con.Query( "BEGIN TRANSACTION")); | 
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| 46 | REQUIRE_NO_FAIL(con2.Query( "BEGIN TRANSACTION")); | 
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| 47 |  | 
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| 48 | // insert from first connection succeeds | 
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| 49 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (7, 8);")); | 
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| 50 | // insert from second connection also succeeds | 
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| 51 | REQUIRE_NO_FAIL(con2.Query( "INSERT INTO integers VALUES (7, 33);")); | 
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| 52 |  | 
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| 53 | // now committing the first transaction works | 
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| 54 | REQUIRE_NO_FAIL(con.Query( "COMMIT")); | 
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| 55 | // but the second transaction results in a conflict | 
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| 56 | REQUIRE_FAIL(con2.Query( "COMMIT")); | 
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| 57 | } | 
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| 58 |  | 
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| 59 | TEST_CASE( "Multiple PRIMARY KEY constraint", "[constraints]") { | 
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| 60 | unique_ptr<QueryResult> result; | 
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| 61 | DuckDB db(nullptr); | 
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| 62 | Connection con(db); | 
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| 63 |  | 
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| 64 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE integers(i INTEGER, j VARCHAR, PRIMARY KEY(i, j))")); | 
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| 65 |  | 
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| 66 | // insert unique values | 
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| 67 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (3, 'hello'), (3, 'world')")); | 
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| 68 |  | 
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| 69 | result = con.Query( "SELECT * FROM integers"); | 
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| 70 | REQUIRE(CHECK_COLUMN(result, 0, {3, 3})); | 
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| 71 | REQUIRE(CHECK_COLUMN(result, 1, { "hello", "world"})); | 
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| 72 |  | 
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| 73 | // insert a duplicate value as part of a chain of values | 
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| 74 | REQUIRE_FAIL(con.Query( "INSERT INTO integers VALUES (6, 'bla'), (3, 'hello');")); | 
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| 75 | // now insert just the first value | 
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| 76 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (6, 'bla');")); | 
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| 77 |  | 
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| 78 | result = con.Query( "SELECT * FROM integers"); | 
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| 79 | REQUIRE(CHECK_COLUMN(result, 0, {3, 3, 6})); | 
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| 80 | REQUIRE(CHECK_COLUMN(result, 1, { "hello", "world", "bla"})); | 
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| 81 | } | 
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| 82 |  | 
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| 83 | TEST_CASE( "PRIMARY KEY and transactions", "[constraints]") { | 
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| 84 | unique_ptr<QueryResult> result; | 
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| 85 | DuckDB db(nullptr); | 
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| 86 | Connection con(db); | 
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| 87 |  | 
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| 88 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE integers(i INTEGER PRIMARY KEY)")); | 
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| 89 |  | 
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| 90 | // rollback | 
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| 91 | REQUIRE_NO_FAIL(con.Query( "BEGIN TRANSACTION")); | 
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| 92 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (1);")); | 
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| 93 | REQUIRE_NO_FAIL(con.Query( "ROLLBACK")); | 
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| 94 |  | 
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| 95 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (1);")); | 
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| 96 |  | 
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| 97 | result = con.Query( "SELECT * FROM integers"); | 
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| 98 | REQUIRE(CHECK_COLUMN(result, 0, {1})); | 
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| 99 | } | 
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| 100 |  | 
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| 101 | TEST_CASE( "PRIMARY KEY and update/delete", "[constraints]") { | 
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| 102 | unique_ptr<QueryResult> result; | 
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| 103 | DuckDB db(nullptr); | 
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| 104 | Connection con(db); | 
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| 105 |  | 
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| 106 | // create a table | 
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| 107 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE test (a INTEGER PRIMARY KEY, b INTEGER);")); | 
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| 108 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO test VALUES (11, 1), (12, 2), (13, 3)")); | 
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| 109 | // this update affects a non-primary key column, should just work | 
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| 110 | REQUIRE_NO_FAIL(con.Query( "UPDATE test SET b=2 WHERE b=3;")); | 
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| 111 | //! Set only the first key higher, should not work as this introduces a duplicate key! | 
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| 112 | REQUIRE_FAIL(con.Query( "UPDATE test SET a=a+1 WHERE b=1;")); | 
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| 113 | //! Set all keys to 4, results in a conflict! | 
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| 114 | REQUIRE_FAIL(con.Query( "UPDATE test SET a=4;")); | 
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| 115 |  | 
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| 116 | result = con.Query( "SELECT * FROM test;"); | 
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| 117 | REQUIRE(CHECK_COLUMN(result, 0, {11, 12, 13})); | 
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| 118 | REQUIRE(CHECK_COLUMN(result, 1, {1, 2, 2})); | 
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| 119 |  | 
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| 120 | // delete and insert the same value should just work | 
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| 121 | REQUIRE_NO_FAIL(con.Query( "DELETE FROM test WHERE a=11")); | 
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| 122 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO test VALUES (11, 1);")); | 
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| 123 |  | 
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| 124 | // insert a duplicate should fail | 
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| 125 | REQUIRE_FAIL(con.Query( "INSERT INTO test VALUES (11, 1);")); | 
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| 126 |  | 
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| 127 | // update one key | 
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| 128 | REQUIRE_NO_FAIL(con.Query( "UPDATE test SET a=4 WHERE b=1;")); | 
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| 129 |  | 
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| 130 | result = con.Query( "SELECT * FROM test ORDER BY a;"); | 
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| 131 | REQUIRE(CHECK_COLUMN(result, 0, {4, 12, 13})); | 
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| 132 | REQUIRE(CHECK_COLUMN(result, 1, {1, 2, 2})); | 
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| 133 |  | 
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| 134 | // set a column to NULL should fail | 
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| 135 | REQUIRE_FAIL(con.Query( "UPDATE test SET a=NULL WHERE b=1;")); | 
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| 136 | REQUIRE_FAIL(con.Query( "UPDATE test SET a=NULL;")); | 
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| 137 | } | 
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| 138 |  | 
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| 139 | TEST_CASE( "PRIMARY KEY and update/delete on multiple columns", "[constraints]") { | 
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| 140 | unique_ptr<QueryResult> result; | 
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| 141 | DuckDB db(nullptr); | 
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| 142 | Connection con(db); | 
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| 143 |  | 
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| 144 | //! create a table | 
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| 145 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE test (a INTEGER, b VARCHAR, PRIMARY KEY(a, b));")); | 
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| 146 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO test VALUES (11, 'hello'), (12, 'world'), (13, 'blablabla')")); | 
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| 147 |  | 
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| 148 | //! update one of the columns, should work as it does not introduce duplicates | 
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| 149 | REQUIRE_NO_FAIL(con.Query( "UPDATE test SET b='pandas';")); | 
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| 150 | result = con.Query( "SELECT * FROM test ORDER BY a;"); | 
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| 151 | REQUIRE(CHECK_COLUMN(result, 0, {11, 12, 13})); | 
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| 152 | REQUIRE(CHECK_COLUMN(result, 1, {Value( "pandas"), Value( "pandas"), Value( "pandas")})); | 
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| 153 | //! Set every key one higher, should also work without conflicts | 
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| 154 | REQUIRE_FAIL(con.Query( "UPDATE test SET a=a+1;")); | 
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| 155 |  | 
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| 156 | result = con.Query( "SELECT * FROM test ORDER BY a;"); | 
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| 157 | REQUIRE(CHECK_COLUMN(result, 0, {11, 12, 13})); | 
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| 158 | REQUIRE(CHECK_COLUMN(result, 1, {Value( "pandas"), Value( "pandas"), Value( "pandas")})); | 
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| 159 |  | 
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| 160 | //! Set only the first key higher, should not work as this introduces a duplicate key! | 
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| 161 | REQUIRE_FAIL(con.Query( "UPDATE test SET a=13 WHERE a=12;")); | 
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| 162 |  | 
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| 163 | //! Set all keys to 4, results in a conflict! | 
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| 164 | REQUIRE_FAIL(con.Query( "UPDATE test SET a=4;")); | 
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| 165 | result = con.Query( "SELECT * FROM test ORDER BY a;"); | 
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| 166 | REQUIRE(CHECK_COLUMN(result, 0, {11, 12, 13})); | 
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| 167 | REQUIRE(CHECK_COLUMN(result, 1, {Value( "pandas"), Value( "pandas"), Value( "pandas")})); | 
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| 168 |  | 
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| 169 | //! delete and insert the same value should just work | 
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| 170 | REQUIRE_NO_FAIL(con.Query( "DELETE FROM test WHERE a=12")); | 
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| 171 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO test VALUES (12, 'pandas');")); | 
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| 172 |  | 
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| 173 | //! insert a duplicate should fail | 
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| 174 | REQUIRE_FAIL(con.Query( "INSERT INTO test VALUES (12, 'pandas');")); | 
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| 175 |  | 
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| 176 | //! update one key | 
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| 177 | REQUIRE_NO_FAIL(con.Query( "DELETE FROM test WHERE a=12")); | 
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| 178 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO test VALUES (4, 'pandas');")); | 
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| 179 | REQUIRE_NO_FAIL(con.Query( "UPDATE test SET a=4 WHERE a=12;")); | 
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| 180 |  | 
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| 181 | result = con.Query( "SELECT * FROM test ORDER BY a;"); | 
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| 182 | REQUIRE(CHECK_COLUMN(result, 0, {4, 11, 13})); | 
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| 183 | REQUIRE(CHECK_COLUMN(result, 1, {Value( "pandas"), Value( "pandas"), Value( "pandas")})); | 
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| 184 |  | 
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| 185 | //! set a column to NULL should fail | 
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| 186 | REQUIRE_FAIL(con.Query( "UPDATE test SET b=NULL WHERE a=13;")); | 
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| 187 | } | 
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| 188 |  | 
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| 189 | TEST_CASE( "PRIMARY KEY prefix stress test multiple columns", "[constraints]") { | 
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| 190 | unique_ptr<QueryResult> result; | 
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| 191 | DuckDB db(nullptr); | 
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| 192 | Connection con(db); | 
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| 193 |  | 
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| 194 | //! create a table | 
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| 195 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE test (a INTEGER, b VARCHAR, PRIMARY KEY(a, b));")); | 
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| 196 |  | 
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| 197 | //! Insert 300 values | 
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| 198 | for (idx_t idx = 0; idx < 300; idx++) { | 
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| 199 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO test VALUES ("+ to_string(idx) + ", 'hello_"+ to_string(idx) + "')")); | 
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| 200 | } | 
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| 201 |  | 
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| 202 | //! Inserting same values should fail | 
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| 203 | for (idx_t idx = 0; idx < 300; idx++) { | 
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| 204 | REQUIRE_FAIL(con.Query( "INSERT INTO test VALUES ("+ to_string(idx) + ", 'hello_"+ to_string(idx) + "')")); | 
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| 205 | } | 
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| 206 |  | 
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| 207 | //! Update integer a on 1000 should work since there are no duplicates | 
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| 208 | REQUIRE_NO_FAIL(con.Query( "UPDATE test SET a=a+1000;")); | 
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| 209 |  | 
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| 210 | //! Now inserting same 1000 values should work | 
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| 211 | for (idx_t idx = 0; idx < 300; idx++) { | 
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| 212 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO test VALUES ("+ to_string(idx) + ", 'hello_"+ to_string(idx) + "')")); | 
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| 213 | } | 
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| 214 |  | 
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| 215 | //! This update should fail and stress test the deletes on hello_ prefixes | 
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| 216 | REQUIRE_FAIL(con.Query( "UPDATE test SET a=a+1000;")); | 
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| 217 |  | 
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| 218 | //! Should fail for same reason as above, just checking element per element to see if no one is escaping | 
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| 219 | for (idx_t idx = 0; idx < 300; idx++) { | 
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| 220 | REQUIRE_FAIL( | 
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| 221 | con.Query( "INSERT INTO test VALUES ("+ to_string(idx + 1000) + ", 'hello_"+ to_string(idx) + "')")); | 
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| 222 | } | 
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| 223 | } | 
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| 224 |  | 
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| 225 | TEST_CASE( "PRIMARY KEY and update/delete in the same transaction", "[constraints]") { | 
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| 226 | unique_ptr<QueryResult> result; | 
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| 227 | DuckDB db(nullptr); | 
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| 228 | Connection con(db); | 
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| 229 |  | 
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| 230 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE integers(i INTEGER PRIMARY KEY)")); | 
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| 231 |  | 
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| 232 | // rollback | 
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| 233 | REQUIRE_NO_FAIL(con.Query( "BEGIN TRANSACTION")); | 
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| 234 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (1);")); | 
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| 235 | REQUIRE_NO_FAIL(con.Query( "UPDATE integers SET i=33;")); | 
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| 236 | REQUIRE_NO_FAIL(con.Query( "ROLLBACK")); | 
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| 237 |  | 
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| 238 | // insert the same values again | 
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| 239 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (1);")); | 
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| 240 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (33);")); | 
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| 241 |  | 
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| 242 | result = con.Query( "SELECT * FROM integers ORDER BY i"); | 
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| 243 | REQUIRE(CHECK_COLUMN(result, 0, {1, 33})); | 
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| 244 |  | 
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| 245 | // update and then insert | 
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| 246 | REQUIRE_NO_FAIL(con.Query( "DROP TABLE integers")); | 
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| 247 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE integers(i INTEGER PRIMARY KEY)")); | 
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| 248 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (1);")); | 
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| 249 | REQUIRE_NO_FAIL(con.Query( "UPDATE integers SET i=33;")); | 
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| 250 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (1);")); | 
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| 251 |  | 
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| 252 | result = con.Query( "SELECT * FROM integers ORDER BY i"); | 
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| 253 | REQUIRE(CHECK_COLUMN(result, 0, {1, 33})); | 
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| 254 | } | 
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| 255 |  | 
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| 256 | TEST_CASE( "Test appending the same value many times to a primary key column", "[constraints]") { | 
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| 257 | unique_ptr<QueryResult> result; | 
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| 258 | DuckDB db(nullptr); | 
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| 259 | Connection con(db); | 
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| 260 |  | 
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| 261 | con.Query( "CREATE TABLE integers(i INTEGER PRIMARY KEY)"); | 
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| 262 | // insert a bunch of values into the index and query the index | 
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| 263 | for (int32_t val = 0; val < 100; val++) { | 
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| 264 | result = con.Query( "SELECT COUNT(*) FROM integers WHERE i = "+ to_string(val)); | 
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| 265 | REQUIRE(CHECK_COLUMN(result, 0, {0})); | 
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| 266 |  | 
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| 267 | con.Query( "INSERT INTO integers VALUES ($1)", val); | 
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| 268 |  | 
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| 269 | result = con.Query( "SELECT COUNT(*) FROM integers WHERE i = "+ to_string(val)); | 
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| 270 | REQUIRE(CHECK_COLUMN(result, 0, {1})); | 
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| 271 | } | 
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| 272 | for (int32_t val = 0; val < 100; val++) { | 
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| 273 | result = con.Query( "SELECT COUNT(*) FROM integers WHERE i + i = "+ to_string(val) + "+"+ to_string(val)); | 
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| 274 | REQUIRE(CHECK_COLUMN(result, 0, {1})); | 
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| 275 | result = con.Query( "SELECT COUNT(*) FROM integers WHERE i = "+ to_string(val)); | 
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| 276 | REQUIRE(CHECK_COLUMN(result, 0, {1})); | 
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| 277 | } | 
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| 278 | // now insert the same values, this should fail this time | 
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| 279 | for (int32_t it = 0; it < 10; it++) { | 
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| 280 | int32_t val = 64; | 
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| 281 | result = con.Query( "SELECT COUNT(*) FROM integers WHERE i + i = 64+"+ to_string(val)); | 
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| 282 | REQUIRE(CHECK_COLUMN(result, 0, {1})); | 
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| 283 | result = con.Query( "SELECT COUNT(*) FROM integers WHERE i = "+ to_string(val)); | 
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| 284 | REQUIRE(CHECK_COLUMN(result, 0, {1})); | 
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| 285 | result = con.Query( "INSERT INTO integers VALUES ($1)", val); | 
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| 286 | REQUIRE_FAIL(result); | 
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| 287 | } | 
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| 288 |  | 
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| 289 | // now test that the counts are correct | 
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| 290 | result = con.Query( "SELECT COUNT(*), COUNT(DISTINCT i) FROM integers"); | 
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| 291 | REQUIRE(CHECK_COLUMN(result, 0, {100})); | 
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| 292 | REQUIRE(CHECK_COLUMN(result, 1, {100})); | 
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| 293 | } | 
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| 294 |  | 
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| 295 | TEST_CASE( "PRIMARY KEY and concurency conflicts", "[constraints]") { | 
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| 296 | unique_ptr<QueryResult> result; | 
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| 297 | DuckDB db(nullptr); | 
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| 298 | Connection con(db), con2(db); | 
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| 299 |  | 
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| 300 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE integers(i INTEGER PRIMARY KEY)")); | 
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| 301 |  | 
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| 302 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (1), (2), (3)")); | 
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| 303 |  | 
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| 304 | // con starts a transaction and modifies the second value | 
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| 305 | REQUIRE_NO_FAIL(con.Query( "BEGIN TRANSACTION")); | 
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| 306 | REQUIRE_NO_FAIL(con.Query( "UPDATE integers SET i=4 WHERE i=2")); | 
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| 307 |  | 
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| 308 | // con2 can't update the second value | 
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| 309 | REQUIRE_FAIL(con2.Query( "UPDATE integers SET i=4 WHERE i=2")); | 
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| 310 | REQUIRE_FAIL(con2.Query( "UPDATE integers SET i=5 WHERE i=2")); | 
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| 311 | // nor can it delete it | 
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| 312 | REQUIRE_FAIL(con2.Query( "DELETE FROM integers WHERE i=2")); | 
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| 313 |  | 
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| 314 | // we tried to set i=5 in con2 but it failed, we can set it in con1 now though | 
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| 315 | REQUIRE_NO_FAIL(con.Query( "UPDATE integers SET i=5 WHERE i=3")); | 
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| 316 | // rollback con1 | 
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| 317 | REQUIRE_NO_FAIL(con.Query( "ROLLBACK")); | 
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| 318 |  | 
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| 319 | // now we can perform the changes in con2 | 
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| 320 | REQUIRE_NO_FAIL(con2.Query( "BEGIN TRANSACTION")); | 
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| 321 | REQUIRE_NO_FAIL(con2.Query( "UPDATE integers SET i=4 WHERE i=2")); | 
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| 322 | REQUIRE_NO_FAIL(con2.Query( "UPDATE integers SET i=5 WHERE i=3")); | 
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| 323 |  | 
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| 324 | // check the results, con1 still gets the old results | 
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| 325 | result = con.Query( "SELECT * FROM integers ORDER BY i"); | 
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| 326 | REQUIRE(CHECK_COLUMN(result, 0, {1, 2, 3})); | 
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| 327 | result = con2.Query( "SELECT * FROM integers ORDER BY i"); | 
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| 328 | REQUIRE(CHECK_COLUMN(result, 0, {1, 4, 5})); | 
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| 329 |  | 
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| 330 | // now commit | 
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| 331 | REQUIRE_NO_FAIL(con2.Query( "COMMIT")); | 
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| 332 |  | 
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| 333 | // check the results again, both get the same (new) results now | 
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| 334 | result = con.Query( "SELECT * FROM integers ORDER BY i"); | 
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| 335 | REQUIRE(CHECK_COLUMN(result, 0, {1, 4, 5})); | 
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| 336 | result = con2.Query( "SELECT * FROM integers ORDER BY i"); | 
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| 337 | REQUIRE(CHECK_COLUMN(result, 0, {1, 4, 5})); | 
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| 338 | } | 
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| 339 |  | 
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| 340 | TEST_CASE( "ART FP String Constraint", "[constraints]") { | 
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| 341 | unique_ptr<QueryResult> result; | 
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| 342 | DuckDB db(nullptr); | 
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| 343 | Connection con(db); | 
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| 344 |  | 
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| 345 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE numbers(i varchar PRIMARY KEY, j INTEGER)")); | 
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| 346 |  | 
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| 347 | //! insert two conflicting pairs at the same time | 
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| 348 | REQUIRE_FAIL(con.Query( "INSERT INTO numbers VALUES ('1', 4), ('1', 5)")); | 
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| 349 |  | 
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| 350 | //! insert unique values | 
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| 351 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO numbers VALUES ('1', 4), ('2', 5)")); | 
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| 352 |  | 
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| 353 | result = con.Query( "SELECT * FROM numbers"); | 
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| 354 | REQUIRE(CHECK_COLUMN(result, 0, { "1", "2"})); | 
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| 355 | REQUIRE(CHECK_COLUMN(result, 1, {4, 5})); | 
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| 356 |  | 
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| 357 | //    //! insert a duplicate value as part of a chain of values | 
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| 358 | REQUIRE_FAIL(con.Query( "INSERT INTO numbers VALUES ('6', 6), ('1', 4);")); | 
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| 359 | // | 
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| 360 | //    //! now insert just the first value | 
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| 361 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO numbers VALUES ('6', 6);")); | 
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| 362 | // | 
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| 363 | result = con.Query( "SELECT * FROM numbers"); | 
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| 364 | REQUIRE(CHECK_COLUMN(result, 0, { "1", "2", "6"})); | 
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| 365 | REQUIRE(CHECK_COLUMN(result, 1, {4, 5, 6})); | 
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| 366 | //! insert NULL value in PRIMARY KEY is not allowed | 
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| 367 | REQUIRE_FAIL(con.Query( "INSERT INTO numbers VALUES (NULL, 4);")); | 
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| 368 | //! update NULL is also not allowed | 
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| 369 | REQUIRE_FAIL(con.Query( "UPDATE numbers SET i=NULL;")); | 
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| 370 | } | 
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| 371 |  | 
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| 372 | TEST_CASE( "PRIMARY KEY constraint on more than two columns", "[constraints]") { | 
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| 373 | unique_ptr<QueryResult> result; | 
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| 374 | DuckDB db(nullptr); | 
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| 375 | Connection con(db); | 
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| 376 |  | 
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| 377 | REQUIRE_NO_FAIL(con.Query( | 
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| 378 | "CREATE TABLE numbers(a integer, b integer, c integer, d integer, e integer, PRIMARY KEY(a,b,c,d,e))")); | 
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| 379 |  | 
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| 380 | //! insert two conflicting pairs at the same time | 
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| 381 | REQUIRE_FAIL(con.Query( "INSERT INTO numbers VALUES (1,1,1,1,1), (1,1,1,1,1)")); | 
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| 382 |  | 
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| 383 | //! insert unique values | 
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| 384 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO numbers VALUES (1,1,1,1,1),(1,2,1,1,1),(1,1,2,1,1),(2,2,2,2,2)")); | 
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| 385 |  | 
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| 386 | //! insert a duplicate value as part of a chain of values | 
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| 387 | REQUIRE_FAIL(con.Query( "INSERT INTO numbers VALUES (1,1,1,1,1),(1,1,1,1,4);")); | 
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| 388 |  | 
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| 389 | //! now insert just the second value | 
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| 390 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO numbers VALUES (1,1,1,1,4);")); | 
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| 391 |  | 
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| 392 | //! this should fail since will cause a duplicate | 
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| 393 | REQUIRE_FAIL(con.Query( "UPDATE numbers SET c=1 WHERE c=2")); | 
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| 394 | } | 
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| 395 |  | 
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| 396 | TEST_CASE( "PRIMARY KEY constraint that only covers a subset of the columns", "[constraints]") { | 
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| 397 | unique_ptr<QueryResult> result; | 
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| 398 | DuckDB db(nullptr); | 
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| 399 | Connection con(db); | 
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| 400 |  | 
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| 401 | REQUIRE_NO_FAIL( | 
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| 402 | con.Query( "CREATE TABLE numbers(a integer, b integer, c integer, d integer, e integer, PRIMARY KEY(a,b))")); | 
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| 403 |  | 
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| 404 | //! insert two conflicting pairs at the same time | 
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| 405 | REQUIRE_FAIL(con.Query( "INSERT INTO numbers VALUES (1,1,1,1,1), (1,1,1,1,1)")); | 
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| 406 |  | 
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| 407 | //! insert unique values | 
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| 408 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO numbers VALUES (1,1,1,1,1),(1,2,1,1,1),(2,1,2,1,1),(2,2,2,2,2)")); | 
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| 409 |  | 
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| 410 | //! insert a duplicate value as part of a chain of values | 
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| 411 | REQUIRE_FAIL(con.Query( "INSERT INTO numbers VALUES (1,1,1,1,1),(1,5,1,1,4);")); | 
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| 412 |  | 
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| 413 | //! now insert just the second value | 
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| 414 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO numbers VALUES (1,5,1,1,4);")); | 
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| 415 |  | 
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| 416 | //! this should  work since is not part of primary key | 
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| 417 | REQUIRE_NO_FAIL(con.Query( "UPDATE numbers SET c=1 WHERE c=2")); | 
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| 418 |  | 
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| 419 | //! this should  fail since is will cause a duplicate | 
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| 420 | REQUIRE_FAIL(con.Query( "UPDATE numbers SET b=1 WHERE b=2")); | 
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| 421 |  | 
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| 422 | //! this should  work since it won't cause a duplicate | 
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| 423 | REQUIRE_NO_FAIL(con.Query( "UPDATE numbers SET b=3 WHERE b=2")); | 
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| 424 | } | 
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| 425 |  | 
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| 426 | TEST_CASE( "PRIMARY KEY constraint on multiple string columns with overlapping values", "[constraints]") { | 
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| 427 | unique_ptr<QueryResult> result; | 
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| 428 | DuckDB db(nullptr); | 
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| 429 | Connection con(db); | 
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| 430 |  | 
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| 431 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE tst(a varchar, b varchar,PRIMARY KEY(a,b))")); | 
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| 432 |  | 
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| 433 | //! insert two conflicting pairs at the same time | 
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| 434 | REQUIRE_FAIL(con.Query( "INSERT INTO tst VALUES ('hell', 'hello'), ('hell','hello')")); | 
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| 435 |  | 
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| 436 | //! insert unique values | 
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| 437 | REQUIRE_NO_FAIL( | 
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| 438 | con.Query( "INSERT INTO tst VALUES ('hell', 'hello'), ('hello','hell'), ('hel','hell'), ('hell','hel')")); | 
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| 439 |  | 
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| 440 | //! insert a duplicate value as part of a chain of values | 
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| 441 | REQUIRE_FAIL(con.Query( "INSERT INTO tst VALUES ('hell', 'hello'),('hel', 'hello');")); | 
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| 442 |  | 
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| 443 | //! now insert just the second value | 
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| 444 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO tst VALUES ('hel', 'hello');")); | 
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| 445 |  | 
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| 446 | //! this should  fail since is will cause a duplicate | 
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| 447 | REQUIRE_FAIL(con.Query( "UPDATE tst SET b='hello' WHERE b='hel' ")); | 
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| 448 |  | 
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| 449 | //! this should  work since it won't cause a duplicate | 
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| 450 | REQUIRE_NO_FAIL(con.Query( "UPDATE tst SET b='hell' WHERE b='hel'")); | 
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| 451 | } | 
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| 452 |  | 
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| 453 | TEST_CASE( "Multi-column boolean PRIMARY KEY constraint", "[constraints]") { | 
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| 454 | unique_ptr<QueryResult> result; | 
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| 455 | DuckDB db(nullptr); | 
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| 456 | Connection con(db); | 
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| 457 |  | 
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| 458 | REQUIRE_NO_FAIL(con.Query( "CREATE TABLE integers(i INTEGER, j BOOLEAN, PRIMARY KEY(i, j))")); | 
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| 459 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (1, false), (1, true), (2, false)")); | 
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| 460 | // duplicate value! | 
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| 461 | REQUIRE_FAIL(con.Query( "INSERT INTO integers VALUES (1, false)")); | 
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| 462 | REQUIRE_NO_FAIL(con.Query( "INSERT INTO integers VALUES (2, true)")); | 
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| 463 |  | 
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| 464 | result = con.Query( "SELECT * FROM integers ORDER BY 1, 2"); | 
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| 465 | REQUIRE(CHECK_COLUMN(result, 0, {1, 1, 2, 2})); | 
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| 466 | REQUIRE(CHECK_COLUMN(result, 1, {false, true, false, true})); | 
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| 467 | } | 
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| 468 |  | 
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