prepstatement

Documentation

Index

• func GetParams(paramsFormatCodes []int16, bindParams [][]byte) []int16
• type PreparedStatementDefinition
• type PreparedStatementDescriptor
• type PreparedStatementHolder
• type PreparedStatementMapper

Functions

func GetParams

func GetParams(paramsFormatCodes []int16, bindParams [][]byte) []int16

Types

type PreparedStatementDefinition

type PreparedStatementDefinition struct {
	Name          string
	Query         string
	ParameterOIDs []uint32

	// XXX: Currently always one last column
	OverwriteRemoveParamIDs map[int]struct{}
	SeqName                 string
}

type PreparedStatementDescriptor

type PreparedStatementDescriptor struct {
	NoData    bool
	ParamDesc *pgproto3.ParameterDescription
	RowDesc   *pgproto3.RowDescription
}

type PreparedStatementHolder

type PreparedStatementHolder interface {
	HasPrepareStatement(hash uint64, shardId uint) (bool, *PreparedStatementDescriptor)
	StorePrepareStatement(hash uint64, shardId uint, d *PreparedStatementDefinition, rd *PreparedStatementDescriptor) error
}

type PreparedStatementMapper

type PreparedStatementMapper interface {
	PreparedStatementQueryByName(name string) string
	PreparedStatementDefinitionByName(name string) *PreparedStatementDefinition
	PreparedStatementQueryHashByName(name string) uint64
	StorePreparedStatement(d *PreparedStatementDefinition)
	ClosePreparedStatement(name string)
	ListPreparedStatements() []string
}