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