init.go
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package go_pg
import (
"context"
"fmt"
"github.com/go-pg/pg/v10"
"github.com/go-pg/pg/v10/orm"
pmodels "github.com/linmadan/egglib-go/message/publisher/local_message/pg/models"
"github.com/linmadan/egglib-go/message/receiver/local_message/pg/models"
"gitlab.fjmaimaimai.com/mmm-go-pp/egglib-go-demos/pkg/constant"
"log"
)
var DB *pg.DB
func init() {
DB = pg.Connect(&pg.Options{
User: constant.POSTGRESQL_USER,
Password: constant.POSTGRESQL_PASSWORD,
Database: constant.POSTGRESQL_DB_NAME,
Addr: fmt.Sprintf("%s:%s", constant.POSTGRESQL_HOST, constant.POSTGRESQL_PORT),
})
if !constant.DISABLE_SQL_GENERATE_PRINT {
DB.AddQueryHook(SqlGeneratePrintHook{})
}
if !constant.DISABLE_CREATE_TABLE {
for _, model := range []interface{}{
(*models.ReceivedMessage)(nil),
(*pmodels.LocalMessage)(nil),
(*pmodels.MessagePublishTracker)(nil),
} {
err := DB.Model(model).CreateTable(&orm.CreateTableOptions{
Temp: false,
IfNotExists: true,
FKConstraints: true,
})
if err != nil {
panic(err)
}
}
}
}
type SqlGeneratePrintHook struct{}
func (hook SqlGeneratePrintHook) BeforeQuery(c context.Context, q *pg.QueryEvent) (context.Context, error) {
return c, nil
}
func (hook SqlGeneratePrintHook) AfterQuery(c context.Context, q *pg.QueryEvent) error {
data, err := q.FormattedQuery()
log.Println(string(data))
return err
}