mirror of
https://github.com/gofiber/storage.git
synced 2025-09-27 21:02:20 +08:00
117 lines
2.8 KiB
Go
117 lines
2.8 KiB
Go
package clickhouse
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"errors"
|
|
"fmt"
|
|
"log"
|
|
"time"
|
|
|
|
driver "github.com/ClickHouse/clickhouse-go/v2"
|
|
)
|
|
|
|
type ClickhouseEngine string
|
|
|
|
type schema struct {
|
|
Value string `ch:"value"`
|
|
Expiration time.Time `ch:"expiration"`
|
|
}
|
|
|
|
const (
|
|
Memory ClickhouseEngine = "Memory"
|
|
MergeTree ClickhouseEngine = "MergeTree"
|
|
StripeLog ClickhouseEngine = "StripeLog"
|
|
TinyLog ClickhouseEngine = "TinyLog"
|
|
Log ClickhouseEngine = "Log"
|
|
)
|
|
|
|
// Config defines configuration options for Clickhouse connection.
|
|
type Config struct {
|
|
// The host of the database. Ex: 127.0.0.1
|
|
Host string
|
|
// The port where the database is supposed to listen to. Ex: 9000
|
|
Port int
|
|
// The database that the connection should authenticate from
|
|
Database string
|
|
// The username to be used in the authentication
|
|
Username string
|
|
// The password to be used in the authentication
|
|
Password string
|
|
// The name of the table that will store the data
|
|
Table string
|
|
// The engine that should be used in the table
|
|
Engine ClickhouseEngine
|
|
// Should start a clean table, default false
|
|
Clean bool
|
|
// TLS configuration, default nil
|
|
TLSConfig *tls.Config
|
|
// Should the connection be in debug mode, default false
|
|
Debug bool
|
|
// The function to use with the debug config, default print function. It only works when debug is true
|
|
Debugf func(format string, v ...any)
|
|
}
|
|
|
|
func defaultConfig(configuration Config) (driver.Options, ClickhouseEngine, error) {
|
|
if configuration.Table == "" {
|
|
return driver.Options{}, "", errors.New("table name not provided")
|
|
}
|
|
|
|
if configuration.Host == "" {
|
|
configuration.Host = "localhost"
|
|
}
|
|
|
|
if configuration.Port == 0 {
|
|
configuration.Port = 9000
|
|
}
|
|
|
|
if configuration.Engine == "" {
|
|
configuration.Engine = Memory
|
|
}
|
|
|
|
config := driver.Options{
|
|
Addr: []string{fmt.Sprintf("%s:%d", configuration.Host, configuration.Port)},
|
|
}
|
|
|
|
if configuration.Username != "" && configuration.Password != "" {
|
|
config.Auth = driver.Auth{
|
|
Database: configuration.Database,
|
|
Username: configuration.Username,
|
|
Password: configuration.Password,
|
|
}
|
|
}
|
|
|
|
if configuration.TLSConfig != nil {
|
|
config.TLS = configuration.TLSConfig
|
|
}
|
|
|
|
if configuration.Debug && config.Debugf == nil {
|
|
config.Debugf = log.Printf
|
|
}
|
|
|
|
return config, configuration.Engine, nil
|
|
}
|
|
|
|
const resetDataString = `
|
|
TRUNCATE TABLE {table:Identifier}
|
|
`
|
|
|
|
const deleteDataString = `
|
|
ALTER TABLE {table:Identifier} DELETE WHERE key = {key:String}
|
|
`
|
|
|
|
const selectDataString = `
|
|
SELECT value, expiration FROM {table:Identifier} WHERE key = {key:String}
|
|
`
|
|
|
|
const insertDataString = `
|
|
INSERT INTO {table:Identifier} (*) VALUES ({key:String}, {value:String}, {expiration:Datetime})
|
|
`
|
|
|
|
const createTableString = `
|
|
CREATE TABLE IF NOT EXISTS {table:Identifier} (
|
|
key String CODEC(ZSTD(1))
|
|
, value String CODEC(ZSTD(1))
|
|
, expiration Datetime CODEC(ZSTD(1))
|
|
) ENGINE=%s
|
|
`
|