#[cfg(any(feature = "postgresql", feature = "sqlite", feature = "mysql"))]
mod select_command {
use pretty_assertions::assert_eq;
use sql_query_builder as sql;
#[test]
fn method_union_should_add_the_union_clause() {
let select_users = sql::Select::new().select("login").from("users");
let select_addresses = sql::Select::new().select("login").from("addresses");
let query = select_users.union(select_addresses).as_string();
let expected_query = "(SELECT login FROM users) UNION (SELECT login FROM addresses)";
assert_eq!(query, expected_query);
}
#[test]
fn method_union_should_accept_inline_argument() {
let select_users = sql::Select::new().select("login").from("users");
let query = select_users
.union(sql::Select::new().select("login").from("addresses"))
.as_string();
let expected_query = "(SELECT login FROM users) UNION (SELECT login FROM addresses)";
assert_eq!(query, expected_query);
}
#[test]
fn method_union_should_accumulate_values_on_consecutive_calls() {
let select_users = sql::Select::new().select("login").from("users");
let select_addresses = sql::Select::new().select("login").from("addresses");
let select_orders = sql::Select::new().select("login").from("orders");
let query = select_users.union(select_addresses).union(select_orders).as_string();
let expected_query = "\
(SELECT login FROM users) \
UNION \
(SELECT login FROM addresses) \
UNION \
(SELECT login FROM orders)\
";
assert_eq!(query, expected_query);
}
#[test]
fn clause_union_should_be_after_offset_clause() {
let select_addresses = sql::Select::new().select("login").from("addresses");
let query = sql::Select::new().offset("10").union(select_addresses).as_string();
let expected_query = "\
(OFFSET 10) \
UNION \
(SELECT login FROM addresses)\
";
assert_eq!(query, expected_query);
}
#[test]
fn method_raw_before_should_add_raw_sql_before_union_clause() {
let query = sql::Select::new()
.raw_before(sql::SelectClause::Union, "select name from orders")
.union(sql::Select::new().select("name"))
.as_string();
let expected_query = "(select name from orders) UNION (SELECT name)";
assert_eq!(query, expected_query);
}
#[test]
fn method_raw_after_should_add_raw_sql_after_union_clause() {
let query = sql::Select::new()
.select("name")
.union(sql::Select::new().select("name"))
.raw_after(sql::SelectClause::Union, "/* the name */")
.as_string();
let expected_query = "(SELECT name) UNION (SELECT name) /* the name */";
assert_eq!(query, expected_query);
}
}