85 lines
1.6 KiB
Go
85 lines
1.6 KiB
Go
package cmd
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import (
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"database/sql"
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"errors"
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"log"
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"git.trj.tw/golang/mtgbot/models"
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"git.trj.tw/golang/mtgbot/modules/schema"
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)
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// DBTool - run db deploy
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func DBTool() {
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db := models.NewDB()
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defer db.Close()
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if db == nil {
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log.Fatal(errors.New("database object is nil"))
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}
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dbver, err := schema.ReadVersions()
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if err != nil {
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log.Fatal(err)
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}
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version := -1
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vcExists := false
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// check version_ctrl table exists
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row := db.QueryRowx(`select exists(select 1 from "information_schema"."tables" where "table_schema" = $1 and "table_name" = $2) as exists`, "public", "version_ctrl")
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err = row.Scan(&vcExists)
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if err != nil && err != sql.ErrNoRows {
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log.Fatal(err)
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}
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if vcExists {
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row := db.QueryRowx(`select max(version) as version from "public"."version_ctrl"`)
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err := row.Scan(&version)
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if err != nil && err != sql.ErrNoRows {
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log.Fatal(err)
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}
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}
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log.Println("Database Schema Version is ", version)
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var vers []schema.VersionInfo
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for _, v := range dbver.Versions {
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if v.Version > version {
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vers = append(vers, v)
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}
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}
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if len(vers) == 0 {
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return
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}
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tx, err := db.Beginx()
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if err != nil {
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log.Fatal(err)
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}
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for _, v := range vers {
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log.Printf("Run Version: %d, FileName: %s\n", v.Version, v.File)
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query, err := schema.ReadSchema(v.File)
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if err != nil {
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tx.Rollback()
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log.Fatal(err)
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}
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// run schema file
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_, err = tx.Exec(query)
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if err != nil {
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tx.Rollback()
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log.Fatal(err)
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}
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// insert version data
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_, err = tx.Exec(`insert into "public"."version_ctrl" ("version", "str") values ($1, $2)`, v.Version, query)
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if err != nil {
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tx.Rollback()
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log.Fatal(err)
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}
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}
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tx.Commit()
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}
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