package functions

import (
	"git.x2erp.com/qdy/go-base/ctx"
	"git.x2erp.com/qdy/go-base/model/request"

	"git.x2erp.com/qdy/go-db/factory/database"
)

// 执行查询，返回CSV数据格式。无参数查询
func QueryToCSV(dbname string, dbsFactory *database.DBSFactory, req request.QueryRequest, reqCtx *ctx.RequestContext) ([]byte, error) {

	if dbFactory, err := dbsFactory.CreateDBFactory(dbname); err != nil {
		return nil, err
	} else {
		return dbFactory.QueryToCSV(req.SQL, req.WriterHeader, reqCtx)
	}

}

// 执行查询，返回CSV数据格式。带参数名称进行查询
func QueryParamNameToCSV(dbname string, dbsFactory *database.DBSFactory, req request.QueryRequest, reqCtx *ctx.RequestContext) ([]byte, error) {

	if dbFactory, err := dbsFactory.CreateDBFactory(dbname); err != nil {
		return nil, err
	} else {
		return dbFactory.QueryParamsNameToCSV(req.SQL, req.WriterHeader, req.Params, reqCtx)
	}

}

// 执行查询，返回CSV数据格式。带占位参数进行查询
func QueryPositionalToCSV(dbname string, dbsFactory *database.DBSFactory, req request.QueryRequest, reqCtx *ctx.RequestContext) ([]byte, error) {

	if dbFactory, err := dbsFactory.CreateDBFactory(dbname); err != nil {
		return nil, err
	} else {
		return dbFactory.QueryPositionalToCSV(req.SQL, req.WriterHeader, req.PositionalParams, reqCtx)
	}

}