query_sql.go

package lore

import "errors"

/*
SetSqlBuilder sets the Query instance's internal sqlBuilder to the given SqlBuilderInterface
instance.
*/
func (q *Query) SetSqlBuilder(sqlBuilder SqlBuilderInterface) {
	q.sqlBuilder = sqlBuilder
}

/*
ToSql wraps the ToSql method of the internal sqlBuilder, returning the SQL-with-args form of the
query according to the internal sqlBuilder.

This requires that SetSqlBuilder has already been called, typically with a sqlBuilder/squirrel
builder. If not, an error is returned.
*/
func (q *Query) ToSql() (sql string, args []interface{}, err error) {
	// If internal sqlBuilder is nil, then return error.
	if q.sqlBuilder == nil {
		return "", nil, errors.New("Query has not been specialized via Select/Insert/Update/Delete/etc.")
	}

	// Otherwise, wrap/return internal sqlBuilder's ToSql.
	return q.sqlBuilder.ToSql()
}