MySQL linter errors.

mysql/cast.go

@@ -9,7 +9,7 @@ type cast interface {
 	// Cast expressions as castType type
 	AS(castType string) Expression
 	// Cast expression as char with optional length
-	AS_CHAR(lenght ...int) StringExpression
+	AS_CHAR(length ...int) StringExpression
 	// Cast expression AS date type
 	AS_DATE() DateExpression
 	// Cast expression AS numeric type, using precision and optionally scale
@@ -30,6 +30,7 @@ type castImpl struct {
 	jet.Cast
 }
 
+// CAST function converts a expr (of any type) into latter specified datatype.
 func CAST(expr Expression) cast {
 	castImpl := &castImpl{}
 
@@ -38,45 +39,51 @@ func CAST(expr Expression) cast {
 	return castImpl
 }
 
+// AS casts expressions to castType
 func (c *castImpl) AS(castType string) Expression {
 	return c.Cast.AS(castType)
 }
 
+// AS_DATETIME cast expression to DATETIME type
 func (c *castImpl) AS_DATETIME() DateTimeExpression {
 	return DateTimeExp(c.AS("DATETIME"))
 }
 
+// AS_SIGNED casts expression to SIGNED type
 func (c *castImpl) AS_SIGNED() IntegerExpression {
 	return IntExp(c.AS("SIGNED"))
 }
 
+// AS_UNSIGNED casts expression to UNSIGNED type
 func (c *castImpl) AS_UNSIGNED() IntegerExpression {
 	return IntExp(c.AS("UNSIGNED"))
 }
 
-func (b *castImpl) AS_CHAR(lenght ...int) StringExpression {
-	if len(lenght) > 0 {
-		return StringExp(b.AS("CHAR(" + strconv.Itoa(lenght[0]) + ")"))
+// AS_CHAR casts expression to CHAR type with optional length
+func (c *castImpl) AS_CHAR(length ...int) StringExpression {
+	if len(length) > 0 {
+		return StringExp(c.AS("CHAR(" + strconv.Itoa(length[0]) + ")"))
 	}
 
-	return StringExp(b.AS("CHAR"))
+	return StringExp(c.AS("CHAR"))
 }
 
-// Cast expression AS date type
-func (b *castImpl) AS_DATE() DateExpression {
-	return DateExp(b.AS("DATE"))
+//  AS_DATE casts expression AS DATE type
+func (c *castImpl) AS_DATE() DateExpression {
+	return DateExp(c.AS("DATE"))
 }
 
-// Cast expression AS date type
-func (b *castImpl) AS_DECIMAL() FloatExpression {
-	return FloatExp(b.AS("DECIMAL"))
+// AS_DECIMAL casts expression AS DECIMAL type
+func (c *castImpl) AS_DECIMAL() FloatExpression {
+	return FloatExp(c.AS("DECIMAL"))
 }
 
-// Cast expression AS date type
-func (b *castImpl) AS_TIME() TimeExpression {
-	return TimeExp(b.AS("TIME"))
+// AS_TIME casts expression AS TIME type
+func (c *castImpl) AS_TIME() TimeExpression {
+	return TimeExp(c.AS("TIME"))
 }
 
+// AS_BINARY casts expression as BINARY type
 func (c *castImpl) AS_BINARY() StringExpression {
 	return StringExp(c.AS("BINARY"))
 }