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main.go
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main.go
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package main
import (
"database/sql"
"fmt"
go_ora "github.com/sijms/go-ora/v2"
"os"
"time"
)
func createTable(conn *sql.DB) error {
t := time.Now()
sqlText := `CREATE TABLE TEMP_TABLE_329(
ID NUMBER(10),
NAME VARCHAR2(100),
TEAM_NAME VARCHAR2(100),
ONBOARD_DATE DATE
)`
// WITH TIME ZONE
_, err := conn.Exec(sqlText)
if err != nil {
return err
}
fmt.Println("Finish create table: ", time.Now().Sub(t))
return nil
}
func dropTable(conn *sql.DB) error {
t := time.Now()
_, err := conn.Exec("drop table TEMP_TABLE_329 purge")
if err != nil {
return err
}
fmt.Println("Finish drop table: ", time.Now().Sub(t))
return nil
}
func insertData(conn *sql.DB) error {
t := time.Now()
var (
id = 1
name = "test"
teamName = "team"
date = time.Now()
ret string
ret2 string
)
_, err := conn.Exec(`INSERT INTO TEMP_TABLE_329(ID, NAME, TEAM_NAME, ONBOARD_DATE)
VALUES(:1, :2, :3, :4) RETURNING NAME, TEAM_NAME INTO :5, :6`, id, name, teamName, date,
go_ora.Out{Dest: &ret, Size: 100}, go_ora.Out{Dest: &ret2, Size: 100})
if err != nil {
return err
}
fmt.Println("return: ", ret, "\t", ret2)
fmt.Println("Finish insert: ", time.Now().Sub(t))
return nil
}
func main() {
conn, err := sql.Open("oracle", os.Getenv("DSN"))
if err != nil {
fmt.Println("can't open connection: ", err)
return
}
defer func() {
err = conn.Close()
if err != nil {
fmt.Println("can't close connection: ", err)
}
}()
err = createTable(conn)
if err != nil {
fmt.Println("can't create table: ", err)
return
}
defer func() {
err = dropTable(conn)
if err != nil {
fmt.Println("can't drop table: ", err)
}
}()
err = insertData(conn)
if err != nil {
fmt.Println("can't insert: ", err)
}
}