wp-buildQuery.php

	$query_select = "select lead.id ";
	$query_from = "";
	$query_where = " where lead.form_id = $form_id";
	$query_order = "";

	if(!empty($orderby_field))
		$query_order = " ORDER BY " . preg_replace("([^0-9A-Za-z_])","",$orderby_field[0]["label"]) . ".value desc ";
	$query_from .= " from wp_rg_lead lead
						INNER JOIN wp_rg_lead_detail approval on lead.form_id = approval.form_id and lead.id = approval.lead_id 
								and CAST(approval.field_number as DECIMAL(5,1)) = " . $approval_field[0]["column"] . " and approval.value = 'Approved' ";
	foreach($header_fields as $field)
	{
		$field_name = preg_replace("([^0-9A-Za-z_])","",$field["label"]);
		$query_select .= "," . $field_name . ".value as " . $field_name . " ";
		$query_from .= 	"	LEFT JOIN wp_rg_lead_detail " . $field_name . " on lead.form_id = $field_name.form_id and lead.id = $field_name.lead_id and $field_name.field_number = " . $field["id"];

	}

	$query = $query_select . " " . $query_from . " " . $query_where . " " . $query_order;