inline fun <reified T> SQLiteDatabase.queryValue(table: String, column: String, selection: String? = null, selArgs: Array<String>? = null, groupBy: String? = null, having: String? = null, orderBy: String? = null, defaultValue: T? = null): T?
Queries for a single column value in a single row. Automatically sets a LIMIT of 1 for any query submitted
table - Table referenced in the query.
column - Name of column to query.
selection - Selection query - contents of WHERE clause - excluding WHERE itself.
selArgs - A string to replace for each '?' found in selection.
groupBy - GROUP BY clause - excluding the 'GROUP BY'. May be null
to disable grouping.
having - HAVING clause, excluding the 'HAVING'. May be null.
orderBy - ORDER BY clause, excluding the 'ORDER BY'. May be null to
return in default order.
Return
Value of the column in the first row of the resulting query.