snapshot of https://github.com/sqlc-dev/sqlc.git (main, 2026-09-16; blobs > 131072B omitted)

internal/sql/sqlerr/errors.go

@@ -0,0 +1,111 @@
+package sqlerr
+
+import (
+	"errors"
+	"fmt"
+)
+
+var Exists = errors.New("already exists")
+var NotFound = errors.New("does not exist")
+var NotUnique = errors.New("is not unique")
+
+type Error struct {
+	Err      error
+	Code     string
+	Message  string
+	Location int
+	Line     int
+	Column   int
+	// Hint     string
+}
+
+func (e *Error) Unwrap() error {
+	return e.Err
+}
+
+func (e *Error) Error() string {
+	if e.Err != nil {
+		return fmt.Sprintf("%s %s", e.Message, e.Err.Error())
+	} else {
+		return e.Message
+	}
+}
+
+func ColumnExists(rel, col string) *Error {
+	return &Error{
+		Err:     Exists,
+		Code:    "42701",
+		Message: fmt.Sprintf("column %q of relation %q", col, rel),
+	}
+}
+
+func ColumnNotFound(rel, col string) *Error {
+	return &Error{
+		Err:     NotFound,
+		Code:    "42703",
+		Message: fmt.Sprintf("column %q of relation %q", col, rel),
+	}
+}
+
+func RelationExists(rel string) *Error {
+	return &Error{
+		Err:     Exists,
+		Code:    "42P07",
+		Message: fmt.Sprintf("relation %q", rel),
+	}
+}
+
+func RelationNotFound(rel string) *Error {
+	return &Error{
+		Err:     NotFound,
+		Code:    "42P01",
+		Message: fmt.Sprintf("relation %q", rel),
+	}
+}
+
+func SchemaExists(name string) *Error {
+	return &Error{
+		Err:     Exists,
+		Code:    "42P06",
+		Message: fmt.Sprintf("schema %q", name),
+	}
+}
+
+func SchemaNotFound(sch string) *Error {
+	return &Error{
+		Err:     NotFound,
+		Code:    "3F000",
+		Message: fmt.Sprintf("schema %q", sch),
+	}
+}
+
+func TypeExists(typ string) *Error {
+	return &Error{
+		Err:     Exists,
+		Code:    "42710",
+		Message: fmt.Sprintf("type %q", typ),
+	}
+}
+
+func TypeNotFound(typ string) *Error {
+	return &Error{
+		Err:     NotFound,
+		Code:    "42704",
+		Message: fmt.Sprintf("type %q", typ),
+	}
+}
+
+func FunctionNotFound(fun string) *Error {
+	return &Error{
+		Err:     NotFound,
+		Code:    "42704",
+		Message: fmt.Sprintf("function %q", fun),
+	}
+}
+
+func FunctionNotUnique(fn string) *Error {
+	return &Error{
+		Err:     NotUnique,
+		Message: fmt.Sprintf("function name %q", fn),
+	}
+}