EqFold to do value lower case

pgm.go

@@ -45,17 +45,17 @@ func (f Field) Count() Field {
 }
 
 // StringEscape will return a empty string for null value
-func (f Field) StringEscape(arg ...any) Field {
+func (f Field) StringEscape() Field {
 	return Field("COALESCE(" + f.String() + ", '')")
 }
 
 // NumberEscape will return a zero string for null value
-func (f Field) NumberEscape(arg ...any) Field {
+func (f Field) NumberEscape() Field {
 	return Field("COALESCE(" + f.String() + ", 0)")
 }
 
 // BooleanEscape will return a false for null value
-func (f Field) BooleanEscape(arg ...any) Field {
+func (f Field) BooleanEscape() Field {
 	return Field("COALESCE(" + f.String() + ", FALSE)")
 }
 
@@ -104,10 +104,12 @@ func (f Field) Eq(val any) Conditioner {
 	return &Cond{Field: col, Val: val, op: " = $", len: len(col) + 5}
 }
 
-// EqualFold will user LOWER() for comparision
-func (f Field) EqFold(val any) Conditioner {
+// EqualFold will use LOWER(column_name) = val for comparision
+//
+// strings.ToLower(val) will pefromed on the provide val
+func (f Field) EqFold(val string) Conditioner {
 	col := f.String()
-	return &Cond{Field: "LOWER(" + col + ")", Val: val, op: " = LOWER($", action: CondActionNeedToClose, len: len(col) + 5}
+	return &Cond{Field: "LOWER(" + col + ")", Val: strings.ToLower(val), op: " = LOWER($", action: CondActionNeedToClose, len: len(col) + 5}
 }
 
 func (f Field) NEq(val any) Conditioner {