forked from ClickHouse/clickhouse-go
/
main.go
60 lines (55 loc) · 1.59 KB
/
main.go
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// Licensed to ClickHouse, Inc. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. ClickHouse, Inc. licenses this file to you under
// the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
package main
import (
"context"
"database/sql"
"fmt"
"log"
"github.com/IevgenLuzan/clickhouse-go/v2"
)
const ddl = `
CREATE TABLE example (
Col1 UInt64
, Col2 String
, Col3 Array(UInt8)
, Col4 DateTime
) ENGINE = Memory
`
func main() {
conn, err := sql.Open("clickhouse", "clickhouse://127.0.0.1:9000")
if err != nil {
log.Fatal(err)
}
if _, err := conn.Exec(`DROP TABLE IF EXISTS example`); err != nil {
log.Fatal(err)
}
if _, err := conn.Exec(ddl); err != nil {
log.Fatal(err)
}
ctx := clickhouse.Context(context.Background(), clickhouse.WithStdAsync(false))
{
for i := 0; i < 100; i++ {
_, err := conn.ExecContext(ctx, fmt.Sprintf(`INSERT INTO example VALUES (
%d, '%s', [1, 2, 3, 4, 5, 6, 7, 8, 9], now()
)`, i, "Golang SQL database driver"))
if err != nil {
log.Fatal(err)
}
}
}
}