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/
main.go
177 lines (165 loc) · 3.92 KB
/
main.go
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package main
import (
"database/sql"
"fmt"
"log"
"time"
_ "github.com/amsokol/go-ignite-client/sql/http"
)
func main() {
db, err := sql.Open("ignite-sql-http", `{
"version": 2,
"servers" : [
"http://localhost:8080/ignite"
],
"cache" : "Person"
}`)
if err != nil {
log.Fatal(err)
}
defer db.Close()
// Ping for test
err = db.Ping()
if err != nil {
log.Fatal(err)
}
// Clear Person table
_, err = db.Exec(`DELETE FROM "Person".Person`)
if err != nil {
log.Fatal(err)
}
// Clear Organization table
_, err = db.Exec(`DELETE FROM "Organization".Organization`)
if err != nil {
log.Fatal(err)
}
// Add 10 Organizations
stmt, err := db.Prepare(`INSERT INTO "Organization".Organization(_key, name, foundDateTime) VALUES(?, ?, ?)`)
if err != nil {
log.Fatal(err)
}
for i := 1; i <= 10; i++ {
_, err = stmt.Exec(i, // _key
fmt.Sprintf("Organization #%d", i), // name
time.Now()) // foundDateTime
if err != nil {
log.Fatal(err)
}
}
// Add 30 Persons
stmt, err = db.Prepare(`INSERT INTO "Person".Person(_key, orgId, firstName, lastName, resume, salary)
VALUES(?, ?, ?, ?, ?, ?)`)
if err != nil {
log.Fatal(err)
}
for i := 1; i <= 30; i++ {
orgID := i % 10
if orgID == 0 {
orgID = 1
}
_, err = stmt.Exec(i, // _key
orgID, // orgId
fmt.Sprintf("FirstName%d", i), // firstName
fmt.Sprintf("LastName%d", i), // lastName
fmt.Sprintf("This is resume #%d", i), // resume
float64(i)+100.0+float64(i)/30) // salary
if err != nil {
log.Fatal(err)
}
}
// Show all Organizations
rows, err := db.Query(`SELECT _key, name, foundDateTime FROM "Organization".Organization`)
if err != nil {
log.Fatal(err)
}
defer rows.Close()
var (
orgID int64
orgName string
orgfoundDateTime time.Time
)
log.Println("Organizations:")
for rows.Next() {
err := rows.Scan(&orgID, &orgName, &orgfoundDateTime)
if err != nil {
log.Fatal(err)
}
log.Println(orgID, orgName, orgfoundDateTime)
}
err = rows.Err()
if err != nil {
log.Fatal(err)
}
// Show all Persons
rows, err = db.Query(`SELECT _key, orgId, firstName, lastName, resume, salary FROM "Person".Person ORDER BY _key`)
if err != nil {
log.Fatal(err)
}
defer rows.Close()
var (
prsID int64
prsOrgID int64
prsFirstName string
prsLastName string
prsResume string
prsSalary float64
)
log.Println("")
log.Println("Persons:")
for rows.Next() {
err := rows.Scan(&prsID, &prsOrgID, &prsFirstName, &prsLastName, &prsResume, &prsSalary)
if err != nil {
log.Fatal(err)
}
log.Println(prsID, prsOrgID, prsFirstName, prsLastName, prsResume, prsSalary)
}
err = rows.Err()
if err != nil {
log.Fatal(err)
}
// Show Person with Organization name
rows, err = db.Query(`SELECT o.name, p.firstName, p.lastName, p.salary FROM "Person".Person as p
INNER JOIN "Organization".Organization o
ON p.orgId = o._key
ORDER BY name`)
if err != nil {
log.Fatal(err)
}
defer rows.Close()
log.Println("")
log.Println("Persons by Organization:")
for rows.Next() {
err := rows.Scan(&orgName, &prsFirstName, &prsLastName, &prsSalary)
if err != nil {
log.Fatal(err)
}
log.Println(orgName, prsFirstName, prsLastName, prsSalary)
}
err = rows.Err()
if err != nil {
log.Fatal(err)
}
// Show Person with Organization with filter
rows, err = db.Query(`SELECT o.name, p.firstName, p.lastName, p.salary FROM "Person".Person as p
INNER JOIN "Organization".Organization o
ON p.orgId = o._key
WHERE p.salary > ?
ORDER BY name`, 115)
if err != nil {
log.Fatal(err)
}
defer rows.Close()
log.Println("")
log.Println("Persons who have salary more than 115 by Organization:")
for rows.Next() {
err := rows.Scan(&orgName, &prsFirstName, &prsLastName, &prsSalary)
if err != nil {
log.Fatal(err)
}
log.Println(orgName, prsFirstName, prsLastName, prsSalary)
}
err = rows.Err()
if err != nil {
log.Fatal(err)
}
}