rename all remaining packages to internal/ (#12418)

This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`

internal/s3select/sql/errors.go

@@ -0,0 +1,110 @@
+// Copyright (c) 2015-2021 MinIO, Inc.
+//
+// This file is part of MinIO Object Storage stack
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package sql
+
+import "fmt"
+
+type s3Error struct {
+	code       string
+	message    string
+	statusCode int
+	cause      error
+}
+
+func (err *s3Error) Cause() error {
+	return err.cause
+}
+
+func (err *s3Error) ErrorCode() string {
+	return err.code
+}
+
+func (err *s3Error) ErrorMessage() string {
+	return err.message
+}
+
+func (err *s3Error) HTTPStatusCode() int {
+	return err.statusCode
+}
+
+func (err *s3Error) Error() string {
+	return err.message
+}
+
+func errInvalidDataType(err error) *s3Error {
+	return &s3Error{
+		code:       "InvalidDataType",
+		message:    "The SQL expression contains an invalid data type.",
+		statusCode: 400,
+		cause:      err,
+	}
+}
+
+func errIncorrectSQLFunctionArgumentType(err error) *s3Error {
+	return &s3Error{
+		code:       "IncorrectSqlFunctionArgumentType",
+		message:    "Incorrect type of arguments in function call.",
+		statusCode: 400,
+		cause:      err,
+	}
+}
+
+func errLikeInvalidInputs(err error) *s3Error {
+	return &s3Error{
+		code:       "LikeInvalidInputs",
+		message:    "Invalid argument given to the LIKE clause in the SQL expression.",
+		statusCode: 400,
+		cause:      err,
+	}
+}
+
+func errQueryParseFailure(err error) *s3Error {
+	return &s3Error{
+		code:       "ParseSelectFailure",
+		message:    err.Error(),
+		statusCode: 400,
+		cause:      err,
+	}
+}
+
+func errQueryAnalysisFailure(err error) *s3Error {
+	return &s3Error{
+		code:       "InvalidQuery",
+		message:    err.Error(),
+		statusCode: 400,
+		cause:      err,
+	}
+}
+
+func errBadTableName(err error) *s3Error {
+	return &s3Error{
+		code:       "BadTableName",
+		message:    fmt.Sprintf("The table name is not supported: %v", err),
+		statusCode: 400,
+		cause:      err,
+	}
+}
+
+func errDataSource(err error) *s3Error {
+	return &s3Error{
+		code:       "DataSourcePathUnsupported",
+		message:    fmt.Sprintf("Data source: %v", err),
+		statusCode: 400,
+		cause:      err,
+	}
+}