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78 lines
1.6 KiB
78 lines
1.6 KiB
package main
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import (
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"database/sql"
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"log"
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"os"
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"github.com/mattn/go-sqlite3"
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)
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func main() {
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sqlite3conn := []*sqlite3.SQLiteConn{}
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sql.Register("sqlite3_with_hook_example",
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&sqlite3.SQLiteDriver{
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ConnectHook: func(conn *sqlite3.SQLiteConn) error {
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sqlite3conn = append(sqlite3conn, conn)
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conn.RegisterUpdateHook(func(op int, db string, table string, rowid int64) {
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switch op {
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case sqlite3.SQLITE_INSERT:
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log.Println("Notified of insert on db", db, "table", table, "rowid", rowid)
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}
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})
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return nil
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},
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})
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os.Remove("./foo.db")
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os.Remove("./bar.db")
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srcDb, err := sql.Open("sqlite3_with_hook_example", "./foo.db")
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if err != nil {
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log.Fatal(err)
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}
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defer srcDb.Close()
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srcDb.Ping()
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_, err = srcDb.Exec("create table foo(id int, value text)")
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if err != nil {
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log.Fatal(err)
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}
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_, err = srcDb.Exec("insert into foo values(1, 'foo')")
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if err != nil {
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log.Fatal(err)
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}
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_, err = srcDb.Exec("insert into foo values(2, 'bar')")
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if err != nil {
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log.Fatal(err)
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}
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_, err = srcDb.Query("select * from foo")
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if err != nil {
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log.Fatal(err)
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}
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destDb, err := sql.Open("sqlite3_with_hook_example", "./bar.db")
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if err != nil {
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log.Fatal(err)
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}
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defer destDb.Close()
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destDb.Ping()
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bk, err := sqlite3conn[1].Backup("main", sqlite3conn[0], "main")
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if err != nil {
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log.Fatal(err)
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}
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_, err = bk.Step(-1)
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if err != nil {
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log.Fatal(err)
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}
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_, err = destDb.Query("select * from foo")
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if err != nil {
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log.Fatal(err)
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}
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_, err = destDb.Exec("insert into foo values(3, 'bar')")
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if err != nil {
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log.Fatal(err)
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}
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bk.Finish()
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}
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