Class GF_Query_Call

The Gravity Forms Query Call class.

Located at query/class-gf-query-call.php

Methods summary
`public`	# `__construct( string $function_name, array $parameters = array() )` A function call. A function call. Parameters `$function_name` The function to call. `$parameters` The function parameters. Default: []
`public string`	# `sql( GF_Query $query )` Generate the SQL. Generate the SQL. The default behavior is to just plop function_name( implode( ', ', $parameters ) ). For other cases, like CAST, check the derived classes. Parameters `$query` The query. Returns string The generated SQL.
`public static GF_Query_Call\|null`	# `CAST( GF_Query_Column $column, string $type )` A cast call. A cast call. Parameters `$column` The column to cast. `$type` The type to cast to. Returns `GF_Query_Call`\|null instance or null.
`public static GF_Query_Call\|null`	# `RAND( )` A RAND call. A RAND call. Returns `GF_Query_Call`\|null instance or null.
`public`	# `__get( $key )` Proxy read-only values. Proxy read-only values.