// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.

package dm

import (
	"context"

	"github.com/gogf/gf/v2/database/gdb"
)

const (
	tablesSqlTmp = `SELECT * FROM ALL_TABLES`
)

// Tables retrieves and returns the tables of current schema.
// It's mainly used in cli tool chain for automatically generating the models.
func (d *Driver) Tables(ctx context.Context, schema ...string) (tables []string, err error) {
	var result gdb.Result
	// When schema is empty, return the default link
	link, err := d.SlaveLink(schema...)
	if err != nil {
		return nil, err
	}
	// The link has been distinguished and no longer needs to judge the owner
	result, err = d.DoSelect(ctx, link, tablesSqlTmp)
	if err != nil {
		return
	}
	for _, m := range result {
		if v, ok := m["IOT_NAME"]; ok {
			tables = append(tables, v.String())
		}
	}
	return
}