vtexplain

type ExecutorMode string

type Explain struct {
	// original sql statement
	SQL string

	// the vtgate plan(s)
	Plans []*engine.Plan

	// list of queries / bind vars sent to each tablet
	TabletActions map[string]*TabletActions
}

type ExplainTopo struct {
	// Map of keyspace name to vschema
	Keyspaces map[string]*vschemapb.Keyspace

	// Map of ks/shard to test tablet connection
	TabletConns map[string]*explainTablet

	KeyspaceShards map[string]map[string]*topodatapb.ShardReference

	// Synchronization lock
	Lock sync.Mutex

	// Number of shards for sharded keyspaces
	NumShards int

	TopoServer *topo.Server
}

type MysqlQuery struct {
	// Sequence number of the query
	Time int

	// SQL command sent to the given tablet
	SQL string
}

type Options struct {
	// NumShards indicates the number of shards in the topology
	NumShards int

	// PlannerVersion indicates whether or not we should use the Gen4 planner
	PlannerVersion querypb.ExecuteOptions_PlannerVersion

	// ReplicationMode must be set to either "ROW" or "STATEMENT" before
	// initialization
	ReplicationMode string

	// Normalize controls whether or not vtgate does query normalization
	Normalize bool

	// ExecutionMode must be set to one of the modes above
	ExecutionMode string

	// StrictDDL is used in unit tests only to verify that the schema
	// is parsed properly.
	StrictDDL bool

	// Target is used to override the "database" target in the
	// vtgate session to simulate `USE <target>`
	Target string
}

type TabletActions struct {
	// Queries sent from vtgate to the tablet
	TabletQueries []*TabletQuery

	// Queries that were run on mysql
	MysqlQueries []*MysqlQuery
}

type TabletQuery struct {
	// Logical time of the query
	Time int

	// SQL command sent to the given tablet
	SQL string

	// BindVars sent with the command
	BindVars map[string]*querypb.BindVariable
}

type VTExplain struct {
	// contains filtered or unexported fields
}