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Merge pull request #234 from sergeylanzman/refactor-migration-generate
refactor generate migration
This commit is contained in:
astaxie
GitHub
commit
31aba09751
8
g.go
8
g.go
@ -170,11 +170,9 @@ func generateCode(cmd *Command, args []string) int {
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upsql := ""
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downsql := ""
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if fields != "" {
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upsql = `m.SQL("CREATE TABLE ` + mname + "(" + generateSQLFromFields(fields.String()) + `)");`
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downsql = `m.SQL("DROP TABLE ` + "`" + mname + "`" + `")`
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if driver == "postgres" {
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downsql = strings.Replace(downsql, "`", "", -1)
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}
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dbMigrator := newDBDriver()
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upsql = dbMigrator.generateCreateUp(mname)
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downsql = dbMigrator.generateCreateDown(mname)
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}
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generateMigration(mname, upsql, downsql, currpath)
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case "controller":
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157
g_migration.go
157
g_migration.go
@ -25,15 +25,168 @@ import (
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const (
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MPath = "migrations"
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MDateFormat = "20060102_150405"
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DBPath = "database"
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)
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type DBDriver interface {
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generateCreateUp(tableName string) string
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generateCreateDown(tableName string) string
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}
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type mysqlDriver struct{}
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func (m mysqlDriver) generateCreateUp(tableName string) string {
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upsql := `m.SQL("CREATE TABLE ` + tableName + "(" + m.generateSQLFromFields(fields.String()) + `)");`
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return upsql
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}
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func (m mysqlDriver) generateCreateDown(tableName string) string {
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downsql := `m.SQL("DROP TABLE ` + "`" + tableName + "`" + `")`
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return downsql
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}
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func (m mysqlDriver) generateSQLFromFields(fields string) string {
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sql, tags := "", ""
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fds := strings.Split(fields, ",")
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for i, v := range fds {
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kv := strings.SplitN(v, ":", 2)
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if len(kv) != 2 {
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ColorLog("[ERRO] Fields format is wrong. Should be: key:type,key:type " + v + "\n")
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return ""
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}
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typ, tag := m.getSQLType(kv[1])
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if typ == "" {
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ColorLog("[ERRO] Fields format is wrong. Should be: key:type,key:type " + v + "\n")
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return ""
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}
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if i == 0 && strings.ToLower(kv[0]) != "id" {
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sql += "`id` int(11) NOT NULL AUTO_INCREMENT,"
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tags = tags + "PRIMARY KEY (`id`),"
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}
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sql += "`" + snakeString(kv[0]) + "` " + typ + ","
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if tag != "" {
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tags = tags + fmt.Sprintf(tag, "`"+snakeString(kv[0])+"`") + ","
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}
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}
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sql = strings.TrimRight(sql+tags, ",")
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return sql
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}
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func (m mysqlDriver) getSQLType(ktype string) (tp, tag string) {
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kv := strings.SplitN(ktype, ":", 2)
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switch kv[0] {
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case "string":
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if len(kv) == 2 {
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return "varchar(" + kv[1] + ") NOT NULL", ""
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}
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return "varchar(128) NOT NULL", ""
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case "text":
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return "longtext NOT NULL", ""
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case "auto":
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return "int(11) NOT NULL AUTO_INCREMENT", ""
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case "pk":
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return "int(11) NOT NULL", "PRIMARY KEY (%s)"
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case "datetime":
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return "datetime NOT NULL", ""
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case "int", "int8", "int16", "int32", "int64":
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fallthrough
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case "uint", "uint8", "uint16", "uint32", "uint64":
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return "int(11) DEFAULT NULL", ""
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case "bool":
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return "tinyint(1) NOT NULL", ""
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case "float32", "float64":
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return "float NOT NULL", ""
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case "float":
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return "float NOT NULL", ""
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}
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return "", ""
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}
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type postgresqlDriver struct{}
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func (m postgresqlDriver) generateCreateUp(tableName string) string {
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upsql := `m.SQL("CREATE TABLE ` + tableName + "(" + m.generateSQLFromFields(fields.String()) + `)");`
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return upsql
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}
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func (m postgresqlDriver) generateCreateDown(tableName string) string {
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downsql := `m.SQL("DROP TABLE ` + tableName + `")`
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return downsql
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}
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func (m postgresqlDriver) generateSQLFromFields(fields string) string {
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sql, tags := "", ""
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fds := strings.Split(fields, ",")
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for i, v := range fds {
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kv := strings.SplitN(v, ":", 2)
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if len(kv) != 2 {
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ColorLog("[ERRO] Fields format is wrong. Should be: key:type,key:type " + v + "\n")
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return ""
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}
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typ, tag := m.getSQLType(kv[1])
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if typ == "" {
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ColorLog("[ERRO] Fields format is wrong. Should be: key:type,key:type " + v + "\n")
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return ""
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}
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if i == 0 && strings.ToLower(kv[0]) != "id" {
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sql += "id interger serial primary key,"
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}
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sql += snakeString(kv[0]) + " " + typ + ","
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if tag != "" {
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tags = tags + fmt.Sprintf(tag, snakeString(kv[0])) + ","
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}
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}
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if tags != "" {
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sql = strings.TrimRight(sql+" "+tags, ",")
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} else {
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sql = strings.TrimRight(sql, ",")
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}
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return sql
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}
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func (m postgresqlDriver) getSQLType(ktype string) (tp, tag string) {
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kv := strings.SplitN(ktype, ":", 2)
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switch kv[0] {
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case "string":
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if len(kv) == 2 {
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return "char(" + kv[1] + ") NOT NULL", ""
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}
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return "TEXT NOT NULL", ""
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case "text":
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return "TEXT NOT NULL", ""
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case "auto", "pk":
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return "serial primary key", ""
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case "datetime":
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return "TIMESTAMP WITHOUT TIME ZONE NOT NULL", ""
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case "int", "int8", "int16", "int32", "int64":
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fallthrough
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case "uint", "uint8", "uint16", "uint32", "uint64":
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return "integer DEFAULT NULL", ""
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case "bool":
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return "boolean NOT NULL", ""
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case "float32", "float64", "float":
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return "numeric NOT NULL", ""
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}
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return "", ""
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}
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func newDBDriver() DBDriver {
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switch driver {
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case "mysql":
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return mysqlDriver{}
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case "postgres":
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return postgresqlDriver{}
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default:
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panic("driver not supported")
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}
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}
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// generateMigration generates migration file template for database schema update.
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// The generated file template consists of an up() method for updating schema and
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// a down() method for reverting the update.
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func generateMigration(mname, upsql, downsql, curpath string) {
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w := NewColorWriter(os.Stdout)
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migrationFilePath := path.Join(curpath, "database", MPath)
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migrationFilePath := path.Join(curpath, DBPath, MPath)
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if _, err := os.Stat(migrationFilePath); os.IsNotExist(err) {
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// create migrations directory
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if err := os.MkdirAll(migrationFilePath, 0777); err != nil {
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122
g_scaffold.go
122
g_scaffold.go
@ -1,9 +1,6 @@
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package main
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import (
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"fmt"
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"strings"
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)
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import "strings"
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func generateScaffold(sname, fields, currpath, driver, conn string) {
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ColorLog("[INFO] Do you want to create a '%v' model? [Yes|No] ", sname)
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@ -31,11 +28,13 @@ func generateScaffold(sname, fields, currpath, driver, conn string) {
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upsql := ""
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downsql := ""
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if fields != "" {
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upsql = `m.SQL("CREATE TABLE ` + sname + "(" + generateSQLFromFields(fields) + `)");`
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downsql = `m.SQL("DROP TABLE ` + "`" + sname + "`" + `")`
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if driver == "" {
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downsql = strings.Replace(downsql, "`", "", -1)
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}
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dbMigrator := newDBDriver()
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upsql = dbMigrator.generateCreateUp(sname)
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downsql = dbMigrator.generateCreateDown(sname)
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//todo remove
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//if driver == "" {
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// downsql = strings.Replace(downsql, "`", "", -1)
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//}
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}
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generateMigration(sname, upsql, downsql, currpath)
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}
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@ -47,108 +46,3 @@ func generateScaffold(sname, fields, currpath, driver, conn string) {
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}
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ColorLog("[INFO] All done! Don't forget to add beego.Router(\"/%v\" ,&controllers.%vController{}) to routers/route.go\n", sname, strings.Title(sname))
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}
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func generateSQLFromFields(fields string) string {
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sql := ""
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tags := ""
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fds := strings.Split(fields, ",")
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for i, v := range fds {
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kv := strings.SplitN(v, ":", 2)
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if len(kv) != 2 {
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ColorLog("[ERRO] Fields format is wrong. Should be: key:type,key:type " + v + "\n")
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return ""
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}
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typ, tag := "", ""
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switch driver {
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case "mysql":
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typ, tag = getSQLTypeMysql(kv[1])
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case "postgres":
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typ, tag = getSQLTypePostgresql(kv[1])
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default:
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typ, tag = getSQLTypeMysql(kv[1])
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}
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if typ == "" {
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ColorLog("[ERRO] Fields format is wrong. Should be: key:type,key:type " + v + "\n")
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return ""
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}
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if i == 0 && strings.ToLower(kv[0]) != "id" {
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switch driver {
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case "mysql":
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sql = sql + "`id` int(11) NOT NULL AUTO_INCREMENT,"
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tags = tags + "PRIMARY KEY (`id`),"
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case "postgres":
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sql = sql + "id interger serial primary key,"
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default:
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sql = sql + "`id` int(11) NOT NULL AUTO_INCREMENT,"
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tags = tags + "PRIMARY KEY (`id`),"
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}
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}
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sql = sql + "`" + snakeString(kv[0]) + "` " + typ + ","
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if tag != "" {
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tags = tags + fmt.Sprintf(tag, "`"+snakeString(kv[0])+"`") + ","
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}
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}
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if driver == "postgres" {
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sql = strings.Replace(sql, "`", "", -1)
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tags = strings.Replace(tags, "`", "", -1)
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}
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sql = strings.TrimRight(sql+tags, ",")
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return sql
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}
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func getSQLTypeMysql(ktype string) (tp, tag string) {
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kv := strings.SplitN(ktype, ":", 2)
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switch kv[0] {
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case "string":
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if len(kv) == 2 {
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return "varchar(" + kv[1] + ") NOT NULL", ""
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}
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return "varchar(128) NOT NULL", ""
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case "text":
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return "longtext NOT NULL", ""
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case "auto":
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return "int(11) NOT NULL AUTO_INCREMENT", ""
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case "pk":
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return "int(11) NOT NULL", "PRIMARY KEY (%s)"
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case "datetime":
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return "datetime NOT NULL", ""
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case "int", "int8", "int16", "int32", "int64":
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fallthrough
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case "uint", "uint8", "uint16", "uint32", "uint64":
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return "int(11) DEFAULT NULL", ""
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case "bool":
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return "tinyint(1) NOT NULL", ""
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case "float32", "float64":
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return "float NOT NULL", ""
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case "float":
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return "float NOT NULL", ""
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}
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return "", ""
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}
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func getSQLTypePostgresql(ktype string) (tp, tag string) {
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kv := strings.SplitN(ktype, ":", 2)
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switch kv[0] {
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case "string":
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if len(kv) == 2 {
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return "char(" + kv[1] + ") NOT NULL", ""
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}
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return "TEXT NOT NULL", ""
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case "text":
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return "TEXT NOT NULL", ""
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case "auto", "pk":
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return "serial primary key", ""
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case "datetime":
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return "TIMESTAMP WITHOUT TIME ZONE NOT NULL", ""
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case "int", "int8", "int16", "int32", "int64":
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fallthrough
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case "uint", "uint8", "uint16", "uint32", "uint64":
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return "integer DEFAULT NULL", ""
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case "bool":
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return "boolean NOT NULL", ""
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case "float32", "float64", "float":
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return "numeric NOT NULL", ""
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}
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return "", ""
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}
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