NewRepo creates new Repo instance.

ParseConds returns standard [sqlString, vars] format for query, powered by gowhere package (with default config).

ParseSortParam returns list of [column, direction] from comma separated sorting param.

ParseSortValue returns the column name and direction for sorting value like +column or -column.

WithPaging an util function to set pagination conditions.

WithSorting an util function to set sorting conditions WARNING: SQL Injection vulnerability! `quoteCol` function must take care of quoting column name properly.

Repo represents the client for common usages.

Intf represents the common interface for all repositories.