public void Execute_And_Drop_Text_Function_Test()
{
using var connection = new NpgsqlConnection(fixture.ConnectionString);
var result = connection
.Execute(@"
create function test_func() returns text as
$$
begin
return 'I am function result!';
end
$$
language plpgsql")
.AsProcedure()
.Single <string>("test_func");
Assert.Equal("I am function result!", result);
connection.AsText().Execute("drop function test_func()");
var procMissing = false;
try
{
connection.AsProcedure().Execute("test_func");
}
catch (NpgsqlException)
{
procMissing = true;
}
Assert.True(procMissing);
}
/// <summary>
/// Asynchronously executes plpgsql function "search_companies"
/// Search companies by filter and return data page with results.
/// Parameters:
/// - `_filter` is `json` with following schema `{"search", "areaId"}`
/// - `page` page indexed from 1
/// - `page_size`, default is 25
/// Returning json schema:
/// `{"count", "page": {"id", "name", "website", "area", "about", "modified"}}`
/// </summary>
/// <param name="filter">_filter json</param>
/// <param name="page">_page integer</param>
/// <param name="pageSize">_page_size integer</param>
/// <returns>ValueTask whose Result property is string</returns>
public static async ValueTask <string> SearchCompaniesAsync(this NpgsqlConnection connection, string filter, int?page, int?pageSize)
{
return(await connection
.AsProcedure()
.ReadAsync <string>(Name,
("_filter", filter, NpgsqlDbType.Json),
("_page", page, NpgsqlDbType.Integer),
("_page_size", pageSize, NpgsqlDbType.Integer))
.SingleOrDefaultAsync());
}
/// <summary>
/// Executes plpgsql function "search_companies"
/// Search companies by filter and return data page with results.
/// Parameters:
/// - `_filter` is `json` with following schema `{"search", "areaId"}`
/// - `page` page indexed from 1
/// - `page_size`, default is 25
/// Returning json schema:
/// `{"count", "page": {"id", "name", "website", "area", "about", "modified"}}`
/// </summary>
/// <param name="filter">_filter json</param>
/// <param name="page">_page integer</param>
/// <param name="pageSize">_page_size integer</param>
/// <returns>string</returns>
public static string SearchCompanies(this NpgsqlConnection connection, string filter, int?page, int?pageSize)
{
return(connection
.AsProcedure()
.Read <string>(Name,
("_filter", filter, NpgsqlDbType.Json),
("_page", page, NpgsqlDbType.Integer),
("_page_size", pageSize, NpgsqlDbType.Integer))
.SingleOrDefault());
}
public void Array_Params_Test()
{
using var connection = new NpgsqlConnection(fixture.ConnectionString);
connection
.Execute(@"
create function array_params_test(_p int[]) returns int[] as
$$
begin
return _p;
end
$$
language plpgsql");
var result = connection
.AsProcedure()
.Single <int[]>("array_params_test", ("_p", new[] { 3, 6, 9 }));
Assert.Equal(new[] { 3, 6, 9 }, result);
}