| 1 | #include "catch.hpp" |
| 2 | #include "duckdb/common/file_system.hpp" |
| 3 | #include "dbgen.hpp" |
| 4 | #include "test_helpers.hpp" |
| 5 | |
| 6 | using namespace duckdb; |
| 7 | using namespace std; |
| 8 | |
| 9 | TEST_CASE("Test scalar ANY/ALL queries" , "[subquery]" ) { |
| 10 | unique_ptr<QueryResult> result; |
| 11 | DuckDB db(nullptr); |
| 12 | Connection con(db); |
| 13 | con.EnableQueryVerification(); |
| 14 | |
| 15 | // scalar ANY |
| 16 | result = con.Query("SELECT 1 = ANY(SELECT 1)" ); |
| 17 | REQUIRE(CHECK_COLUMN(result, 0, {true})); |
| 18 | result = con.Query("SELECT 1 = ANY(SELECT NULL)" ); |
| 19 | REQUIRE(CHECK_COLUMN(result, 0, {Value()})); |
| 20 | result = con.Query("SELECT 1 = ANY(SELECT 2)" ); |
| 21 | REQUIRE(CHECK_COLUMN(result, 0, {false})); |
| 22 | result = con.Query("SELECT NULL = ANY(SELECT 2)" ); |
| 23 | REQUIRE(CHECK_COLUMN(result, 0, {Value()})); |
| 24 | |
| 25 | // scalar ALL |
| 26 | result = con.Query("SELECT 1 = ALL(SELECT 1)" ); |
| 27 | REQUIRE(CHECK_COLUMN(result, 0, {true})); |
| 28 | result = con.Query("SELECT 1 = ALL(SELECT NULL)" ); |
| 29 | REQUIRE(CHECK_COLUMN(result, 0, {Value()})); |
| 30 | result = con.Query("SELECT 1 = ALL(SELECT 2)" ); |
| 31 | REQUIRE(CHECK_COLUMN(result, 0, {false})); |
| 32 | result = con.Query("SELECT NULL = ALL(SELECT 2)" ); |
| 33 | REQUIRE(CHECK_COLUMN(result, 0, {Value()})); |
| 34 | } |
| 35 | |
| 36 | TEST_CASE("Test ANY/ALL queries" , "[subquery]" ) { |
| 37 | unique_ptr<QueryResult> result; |
| 38 | DuckDB db(nullptr); |
| 39 | Connection con(db); |
| 40 | con.EnableQueryVerification(); |
| 41 | |
| 42 | REQUIRE_NO_FAIL(con.Query("CREATE TABLE integers(i INTEGER)" )); |
| 43 | REQUIRE_NO_FAIL(con.Query("INSERT INTO integers VALUES (1), (2), (3)" )); |
| 44 | |
| 45 | // ANY is like EXISTS without NULL values |
| 46 | result = con.Query("SELECT 2 > ANY(SELECT * FROM integers)" ); |
| 47 | REQUIRE(CHECK_COLUMN(result, 0, {true})); |
| 48 | result = con.Query("SELECT 1 > ANY(SELECT * FROM integers)" ); |
| 49 | REQUIRE(CHECK_COLUMN(result, 0, {false})); |
| 50 | |
| 51 | result = con.Query("SELECT 4 > ALL(SELECT * FROM integers)" ); |
| 52 | REQUIRE(CHECK_COLUMN(result, 0, {true})); |
| 53 | result = con.Query("SELECT 1 > ALL(SELECT * FROM integers)" ); |
| 54 | REQUIRE(CHECK_COLUMN(result, 0, {false})); |
| 55 | |
| 56 | // NULL input always results in NULL output |
| 57 | result = con.Query("SELECT NULL > ANY(SELECT * FROM integers)" ); |
| 58 | REQUIRE(CHECK_COLUMN(result, 0, {Value()})); |
| 59 | result = con.Query("SELECT NULL > ALL(SELECT * FROM integers)" ); |
| 60 | REQUIRE(CHECK_COLUMN(result, 0, {Value()})); |
| 61 | |
| 62 | // now with a NULL value in the input |
| 63 | REQUIRE_NO_FAIL(con.Query("INSERT INTO integers VALUES (NULL)" )); |
| 64 | |
| 65 | // ANY returns either true or NULL |
| 66 | result = con.Query("SELECT 2 > ANY(SELECT * FROM integers)" ); |
| 67 | REQUIRE(CHECK_COLUMN(result, 0, {true})); |
| 68 | result = con.Query("SELECT 1 > ANY(SELECT * FROM integers)" ); |
| 69 | REQUIRE(CHECK_COLUMN(result, 0, {Value()})); |
| 70 | |
| 71 | // ALL returns either NULL or false |
| 72 | result = con.Query("SELECT 4 > ALL(SELECT * FROM integers)" ); |
| 73 | REQUIRE(CHECK_COLUMN(result, 0, {Value()})); |
| 74 | result = con.Query("SELECT 1 > ALL(SELECT * FROM integers)" ); |
| 75 | REQUIRE(CHECK_COLUMN(result, 0, {false})); |
| 76 | |
| 77 | // NULL input always results in NULL |
| 78 | result = con.Query("SELECT NULL > ANY(SELECT * FROM integers)" ); |
| 79 | REQUIRE(CHECK_COLUMN(result, 0, {Value()})); |
| 80 | result = con.Query("SELECT NULL > ALL(SELECT * FROM integers)" ); |
| 81 | REQUIRE(CHECK_COLUMN(result, 0, {Value()})); |
| 82 | } |
| 83 | |