limitations under the License.
*/

package storage

// transaction represents something that may need to be finalized on success or
// failure of the larger transaction.
type transaction interface {
	// Commit tells the transaction to finalize any changes it may have
	// pending.  This cannot fail, so errors must be handled internally.
	Commit()

	// Revert tells the transaction to abandon or undo any changes it may have

from contextvars import ContextVar

import peewee

DATABASE_NAME = "test.db"
db_state_default = {"closed": None, "conn": None, "ctx": None, "transactions": None}
db_state = ContextVar("db_state", default=db_state_default.copy())


class PeeweeConnectionState(peewee._ConnectionState):
    def __init__(self, **kwargs):
        super().__setattr__("_state", db_state)
        super().__init__(**kwargs)

    def __setattr__(self, name, value):

* Full-Featured ORM
* Associations (Has One, Has Many, Belongs To, Many To Many, Polymorphism, Single-table inheritance)
* Hooks (Before/After Create/Save/Update/Delete/Find)
* Eager loading with `Preload`, `Joins`
* Transactions, Nested Transactions, Save Point, RollbackTo to Saved Point
* Context, Prepared Statement Mode, DryRun Mode
* Batch Insert, FindInBatches, Find To Map

handle svn

mkdir db/transactions
mkdir db/txn-protorevs
chmod 0755 hooks/pre-revprop-change

env ROOT=$PWD
cd .checkout
[GOOS:windows] svn checkout file:///$ROOT .
[!GOOS:windows] svn checkout file://$ROOT .

svn add hello.go
svn commit --file MSG
svn propset svn:author 'rsc' --revprop -r1
svn propset svn:date '2017-09-22T01:12:45.861368Z' --revprop -r1

svn update
svn log --xml

[GOOS:windows] replace '\n' '\r\n' .svn-log

	// (for example, hits-per-second on an Ingress object).
	ObjectMetricSourceType MetricSourceType = "Object"
	// PodsMetricSourceType is a metric describing each pod in the current scale
	// target (for example, transactions-processed-per-second).  The values
	// will be averaged together before being compared to the target value.
	PodsMetricSourceType MetricSourceType = "Pods"

	}

	if opts != nil {
		// Check the transaction level. If the transaction level is non-default
		// then return an error here as the BeginTx driver value is not supported.
		if opts.Isolation != LevelDefault {
			return nil, errors.New("sql: driver does not support non-default isolation level")
		}

		// If a read-only transaction is requested return an error as the
		// BeginTx driver value is not supported.

  // (for example, hits-per-second on an Ingress object).
  // +optional
  optional ObjectMetricSource object = 2;

  // pods refers to a metric describing each pod in the current scale target
  // (for example, transactions-processed-per-second).  The values will be
  // averaged together before being compared to the target value.
  // +optional
  optional PodsMetricSource pods = 3;

  // (for example, hits-per-second on an Ingress object).
  // +optional
  optional ObjectMetricSource object = 2;

  // pods refers to a metric describing each pod in the current scale target
  // (for example, transactions-processed-per-second).  The values will be
  // averaged together before being compared to the target value.
  // +optional
  optional PodsMetricSource pods = 3;

	"pods":              "pods refers to a metric describing each pod in the current scale target (for example, transactions-processed-per-second).  The values will be averaged together before being compared to the target value.",

	// (for example, hits-per-second on an Ingress object).
	ObjectMetricSourceType MetricSourceType = "Object"
	// PodsMetricSourceType is a metric describing each pod in the current scale
	// target (for example, transactions-processed-per-second).  The values
	// will be averaged together before being compared to the target value.
	PodsMetricSourceType MetricSourceType = "Pods"
	// ResourceMetricSourceType is a resource metric known to Kubernetes, as