joinQueryItem+=" LEFT OUTER JOIN "+self.quoteIdentifier(table)+" AS "+self.quoteIdentifier(as)+" ON "+self.quoteIdentifier(tableLeft)+"."+self.quoteIdentifier(attrLeft)+" = "+self.quoteIdentifier(tableRight)+"."+self.quoteIdentifier(attrRight)
joinQueryItem+=" LEFT OUTER JOIN "+self.quoteIdentifier(table)+" AS "+self.quoteIdentifier(as)+" ON "+self.quoteIdentifier(tableLeft)+"."+self.quoteIdentifier(attrLeft)+" = "+self.quoteIdentifier(tableRight)+"."+self.quoteIdentifier(attrRight)