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Add test for Query::SetParam(..., std::nullopt) #532

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Add test for Query::SetParam(..., std::nullopt) #532

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23 changes: 23 additions & 0 deletions ut/client_ut.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1962,6 +1962,29 @@ TEST_P(ClientCase, QueryParameters) {
client_->Execute("DROP TEMPORARY TABLE " + table_name);
}

TEST_P(ClientCase, QueryParametersNullable) {
const std::string table_name = "test_clickhouse_cpp_nullable_query_parameter";
client_->Execute("CREATE TEMPORARY TABLE IF NOT EXISTS " + table_name + " ("
" id UInt64,"
" name Nullable(String))");

Query query("insert into " + table_name + " values ({id: UInt64}, {name: Nullable(String)})");
query.SetParam("id", "1").SetParam("name", std::nullopt);
client_->Execute(query);

size_t count = 0;
client_->BeginSelect("SELECT name FROM " + table_name + "");
while (auto block = client_->NextBlock()) {
auto col_name = block->At(0)->AsStrict<ColumnNullable>();
for (size_t i = 0; i < block->GetRowCount(); ++i) {
EXPECT_TRUE(col_name->Nulls()->AsStrict<ColumnUInt8>()->At(i));
++count;
}
}
EXPECT_GT(count, 0UL);

client_->Execute("DROP TEMPORARY TABLE " + table_name);
}
TEST_P(ClientCase, ClientName) {
const auto server_info = client_->GetServerInfo();

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