Add sqlite schema

dialects/sqlite/schema.go

@@ -0,0 +1,47 @@
+package sqlite
+
+import (
+	"strings"
+)
+
+// AutoMigrate auto migrate database
+func (dialect *Dialect) AutoMigrate(value interface{}) (err error) {
+	// create table
+
+	// create missed column
+
+	// safe upgrade some fields (like size, change data type)
+
+	// create missed foreign key
+
+	// create missed index
+	return nil
+}
+
+// HasTable check if has table in current schema
+func (dialect *Dialect) HasTable(tableName string) bool {
+	var count int
+	currentDatabase, tableName := currentDatabaseAndTable(dialect, tableName)
+	_ = dialect.DB.QueryRow("SELECT count(*) FROM INFORMATION_SCHEMA.TABLES WHERE table_schema = ? AND table_name = ?", currentDatabase, tableName).Scan(&count)
+	return count > 0
+}
+
+// CreateTable create table for value
+func (dialect *Dialect) CreateTable(value interface{}) error {
+	// s := schema.Parse(value)
+	return nil
+}
+
+// CurrentDatabase get current database name
+func (dialect *Dialect) CurrentDatabase() (name string) {
+	_ = dialect.DB.QueryRow("SELECT DATABASE()").Scan(&name)
+	return
+}
+
+func currentDatabaseAndTable(dialect *Dialect, tableName string) (string, string) {
+	if strings.Contains(tableName, ".") {
+		splitStrings := strings.SplitN(tableName, ".", 2)
+		return splitStrings[0], splitStrings[1]
+	}
+	return dialect.CurrentDatabase(), tableName
+}

dialects/sqlite/sqlite.go

@@ -10,7 +10,6 @@ import (
 	"github.com/jinzhu/gorm"
 	"github.com/jinzhu/gorm/dialects/common/sqlbuilder"
 	"github.com/jinzhu/gorm/model"
-	"github.com/jinzhu/gorm/schema"
 )
 
 // Dialect Sqlite3 Dialect for GORM
@@ -320,26 +319,3 @@ func (dialect *Dialect) Delete(tx *gorm.DB) (err error) {
 	_, err = dialect.DB.Exec(s.String(), args...)
 	return
 }
-
-// AutoMigrate auto migrate database
-func (dialect *Dialect) AutoMigrate(value interface{}) (err error) {
-	// create table
-
-	// create missed column
-
-	// safe upgrade some fields (like size, change data type)
-
-	// create missed foreign key
-
-	// create missed index
-	return nil
-}
-
-func (dialect *Dialect) HasTable(name string) bool {
-	return false
-}
-
-func (dialect *Dialect) CreateTable(value interface{}) error {
-	s := schema.Parse(value)
-	return nil
-}