use serde::Serialize;
use gcp_bigquery_client::env_vars;
use gcp_bigquery_client::error::BQError;
use gcp_bigquery_client::model::dataset::Dataset;
use gcp_bigquery_client::model::query_request::QueryRequest;
use gcp_bigquery_client::model::table::Table;
use gcp_bigquery_client::model::table_data_insert_all_request::TableDataInsertAllRequest;
use gcp_bigquery_client::model::table_field_schema::TableFieldSchema;
use gcp_bigquery_client::model::table_schema::TableSchema;
use gcp_bigquery_client::model::time_partitioning::TimePartitioning;
use std::time::{Duration, SystemTime};
use time::OffsetDateTime;
#[derive(Serialize)]
struct MyRow {
ts: time::OffsetDateTime,
int_value: i64,
float_value: f64,
bool_value: bool,
string_value: String,
record_value: FirstRecordLevel,
}
#[derive(Serialize)]
struct FirstRecordLevel {
int_value: i64,
string_value: String,
record_value: SecondRecordLevel,
}
#[derive(Serialize)]
struct SecondRecordLevel {
int_value: i64,
string_value: String,
}
#[tokio::main]
async fn main() -> Result<(), BQError> {
let (ref project_id, ref dataset_id, ref table_id, ref gcp_sa_key) = env_vars();
let client = gcp_bigquery_client::Client::from_service_account_key_file(gcp_sa_key).await?;
let result = client.dataset().delete(project_id, dataset_id, true).await;
if result.is_ok() {
println!("Removed previous dataset '{dataset_id}'");
}
let dataset = client
.dataset()
.create(
Dataset::new(project_id, dataset_id)
.location("US")
.friendly_name("Just a demo dataset")
.label("owner", "me")
.label("env", "prod"),
)
.await?;
let table = dataset
.create_table(
&client,
Table::from_dataset(
&dataset,
table_id,
TableSchema::new(vec![
TableFieldSchema::timestamp("ts"),
TableFieldSchema::integer("int_value"),
TableFieldSchema::float("float_value"),
TableFieldSchema::bool("bool_value"),
TableFieldSchema::string("string_value"),
TableFieldSchema::record(
"record_value",
vec![
TableFieldSchema::integer("int_value"),
TableFieldSchema::string("string_value"),
TableFieldSchema::record(
"record_value",
vec![
TableFieldSchema::integer("int_value"),
TableFieldSchema::string("string_value"),
],
),
],
),
]),
)
.friendly_name("Demo table")
.description("A nice description for this table")
.label("owner", "me")
.label("env", "prod")
.expiration_time(SystemTime::now() + Duration::from_secs(3600))
.time_partitioning(
TimePartitioning::per_day()
.expiration_ms(Duration::from_secs(3600 * 24 * 7))
.field("ts"),
),
)
.await?;
println!("Table created -> {table:?}");
let mut insert_request = TableDataInsertAllRequest::new();
insert_request.add_row(
None,
MyRow {
ts: OffsetDateTime::now_utc(),
int_value: 1,
float_value: 1.0,
bool_value: false,
string_value: "first".into(),
record_value: FirstRecordLevel {
int_value: 10,
string_value: "sub_level_1.1".into(),
record_value: SecondRecordLevel {
int_value: 20,
string_value: "leaf".to_string(),
},
},
},
)?;
insert_request.add_row(
None,
MyRow {
ts: OffsetDateTime::now_utc(),
int_value: 2,
float_value: 2.0,
bool_value: true,
string_value: "second".into(),
record_value: FirstRecordLevel {
int_value: 11,
string_value: "sub_level_1.2".into(),
record_value: SecondRecordLevel {
int_value: 21,
string_value: "leaf".to_string(),
},
},
},
)?;
insert_request.add_row(
None,
MyRow {
ts: OffsetDateTime::now_utc(),
int_value: 3,
float_value: 3.0,
bool_value: false,
string_value: "third".into(),
record_value: FirstRecordLevel {
int_value: 12,
string_value: "sub_level_1.3".into(),
record_value: SecondRecordLevel {
int_value: 22,
string_value: "leaf".to_string(),
},
},
},
)?;
insert_request.add_row(
None,
MyRow {
ts: OffsetDateTime::now_utc(),
int_value: 4,
float_value: 4.0,
bool_value: true,
string_value: "fourth".into(),
record_value: FirstRecordLevel {
int_value: 13,
string_value: "sub_level_1.4".into(),
record_value: SecondRecordLevel {
int_value: 23,
string_value: "leaf".to_string(),
},
},
},
)?;
client
.tabledata()
.insert_all(project_id, dataset_id, table_id, insert_request)
.await?;
let mut rs = client
.job()
.query(
project_id,
QueryRequest::new(format!(
"SELECT COUNT(*) AS c FROM `{project_id}.{dataset_id}.{table_id}`"
)),
)
.await?;
while rs.next_row() {
println!("Number of rows inserted: {}", rs.get_i64_by_name("c")?.unwrap());
}
client.table().delete(project_id, dataset_id, table_id).await?;
client.dataset().delete(project_id, dataset_id, true).await?;
Ok(())
}