parser

package
v0.0.0-...-41f8e05 Latest Latest
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 Go to latest Published: Nov 11, 2024 License: Apache-2.0 Imports: 12 Imported by: 0

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Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CategorizePointer 

func CategorizePointer(ptr Value) (int, error)

func GetComparisonFunction 

func GetComparisonFunction(operator int, dataType int) Command

Function to get the correct comparison function

func HandleNot 

func HandleNot(e *EvaluationContext, typeToken int) (int, error)

func NewColumn 

func NewColumn(name string, coltype int, length int, spec2 int) GoSqlColumn

Types

type AggTermsBySelectListEntry 

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

type AttrSLE 

type AttrSLE struct {
	BaseSLE
	// contains filtered or unexported fields
}

type BaseSLE 

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

type CalculatedSLE 

type CalculatedSLE struct {
	BaseSLE
	// contains filtered or unexported fields
}

type ConstSLE 

type ConstSLE struct {
	BaseSLE
	// contains filtered or unexported fields
}

type EvaluationContext 

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

the data necessary to convert a TermTree into a machine to calculate the result of the term

func NewEvaluationContext 

func NewEvaluationContext(args []Value, lastPlaceHolderIndex int) EvaluationContext

func OrderBy2Commands 

func OrderBy2Commands(orderByList *[]GoSqlOrderBy, table Table) (*EvaluationContext, error)

func Terms2Commands 

func Terms2Commands(terms []*GoSqlTerm, args []driver.Value, inputTable *JoinedRecords, placeHolderOffset *int) ([]*EvaluationContext, error)

type FromExpr 

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

describes one chain of joins

type FromHandler 

type FromHandler interface {
	Init(*data.BaseStatement, []*GoSqlFromSpec)
	GetValue(data.GoSqlIdentifier) driver.Value
	// contains filtered or unexported methods
}

initialized by From-Expression starts delivering Joined View of Record which is base of select-statement allows conversion of GoSqlIdentifier to index so that machine can access attributes by index Next-Operation iterates through valid

type FromPart 

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

type GoSqlConnectionLevelRequest 

type GoSqlConnectionLevelRequest struct {
	data.BaseStatement
	// contains filtered or unexported fields
}

func NewConnectionLevelRequest 

func NewConnectionLevelRequest(token1 int, token2 int) *GoSqlConnectionLevelRequest

func (*GoSqlConnectionLevelRequest) Exec 

func (r *GoSqlConnectionLevelRequest) Exec(args []Value) (Result, error)

func (*GoSqlConnectionLevelRequest) NumInput 

func (r *GoSqlConnectionLevelRequest) NumInput() int

type GoSqlConstantValue 

type GoSqlConstantValue struct {
	Str       *string
	Fixed     *int
	Float     *float64
	Timestamp *time.Time
}

type GoSqlCreateDatabaseRequest 

type GoSqlCreateDatabaseRequest struct {
	data.BaseStatement
	// contains filtered or unexported fields
}

func (*GoSqlCreateDatabaseRequest) Exec 

func (r *GoSqlCreateDatabaseRequest) Exec(args []Value) (Result, error)

type GoSqlCreateSchemaRequest 

type GoSqlCreateSchemaRequest struct {
	data.BaseStatement
	// contains filtered or unexported fields
}

func (*GoSqlCreateSchemaRequest) Exec 

func (r *GoSqlCreateSchemaRequest) Exec(args []Value) (Result, error)

type GoSqlCreateTableRequest 

type GoSqlCreateTableRequest struct {
	data.BaseStatement
	// contains filtered or unexported fields
}

func (*GoSqlCreateTableRequest) Exec 

func (r *GoSqlCreateTableRequest) Exec(args []Value) (Result, error)

type GoSqlDeleteRequest 

type GoSqlDeleteRequest struct {
	data.BaseStatement
	// contains filtered or unexported fields
}

func (*GoSqlDeleteRequest) Exec 

func (r *GoSqlDeleteRequest) Exec(args []Value) (Result, error)

func (*GoSqlDeleteRequest) NumInput 

func (r *GoSqlDeleteRequest) NumInput() int

type GoSqlFromHandler 

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

func (*GoSqlFromHandler) Init 

func (g *GoSqlFromHandler) Init(selectStatement *GoSqlSelectRequest) []error

type GoSqlInsertRequest 

type GoSqlInsertRequest struct {
	data.BaseStatement

	Columns []string
	// contains filtered or unexported fields
}

func NewInsertRequest 

func NewInsertRequest(tableName GoSqlIdentifier, columns []string, values [][]*GoSqlTerm) *GoSqlInsertRequest

func (*GoSqlInsertRequest) Exec 

func (r *GoSqlInsertRequest) Exec(args []Value) (Result, error)

func (*GoSqlInsertRequest) NumInput 

func (r *GoSqlInsertRequest) NumInput() int

type GoSqlJoinedTable 

type GoSqlJoinedTable struct {
	JoinedTableLeft     *GoSqlJoinedTable
	JoinType            int
	TableReferenceRight *GoSqlTableReference
	// contains filtered or unexported fields
}

type GoSqlOrderBy 

type GoSqlOrderBy struct {
	Name driver.Value
	// contains filtered or unexported fields
}

type GoSqlResult 

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

func (GoSqlResult) LastInsertId 

func (r GoSqlResult) LastInsertId() (int64, error)

func (GoSqlResult) RowsAffected 

func (r GoSqlResult) RowsAffected() (int64, error)

type GoSqlRows 

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

func (*GoSqlRows) Close 

func (rows *GoSqlRows) Close() error

func (*GoSqlRows) Columns 

func (rows *GoSqlRows) Columns() []string

func (*GoSqlRows) Next 

func (rows *GoSqlRows) Next(dest []Value) error

func (*GoSqlRows) ResultTable 

func (rows *GoSqlRows) ResultTable() data.Table

type GoSqlSelectRequest 

type GoSqlSelectRequest struct {
	data.BaseStatement
	// contains filtered or unexported fields
}

func (*GoSqlSelectRequest) Exec 

func (r *GoSqlSelectRequest) Exec(args []Value) (Result, error)

func (*GoSqlSelectRequest) NumInput 

func (r *GoSqlSelectRequest) NumInput() int

func (*GoSqlSelectRequest) Query 

func (r *GoSqlSelectRequest) Query(args []Value) (Rows, error)

type GoSqlStatement 

type GoSqlStatement interface {
	NumInput() int
	Exec(args []Value) (Result, error)
	Query(args []Value) (Rows, error)
}

type GoSqlTableReference 

type GoSqlTableReference struct {
	Id          data.GoSqlIdentifier
	Select      *GoSqlSelectRequest
	JoinedTable *GoSqlJoinedTable
	As          string
}

type GoSqlTerm 

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

represents parts of expressions if left is != nil: leaf is nil, operator is >= 0 if right is nil, operator is unary (NOT) if leaf is != nil then operator is -1 and left and right are nil

func FindPlaceHoldersInSelect 

func FindPlaceHoldersInSelect(statement *GoSqlSelectRequest) []*GoSqlTerm

func (*GoSqlTerm) FindPlaceHolders 

func (t *GoSqlTerm) FindPlaceHolders(res []*GoSqlTerm) []*GoSqlTerm

type GoSqlUpdateRequest 

type GoSqlUpdateRequest struct {
	data.BaseStatement
	// contains filtered or unexported fields
}

func NewUpdateRequest 

func NewUpdateRequest(tableName GoSqlAsIdentifier, updates []GoSqlUpdateSpec, where *GoSqlTerm) *GoSqlUpdateRequest

func (*GoSqlUpdateRequest) Exec 

func (r *GoSqlUpdateRequest) Exec(args []Value) (Result, error)

func (*GoSqlUpdateRequest) NumInput 

func (r *GoSqlUpdateRequest) NumInput() int

type GoSqlUpdateSpec 

type GoSqlUpdateSpec struct {
	Name data.GoSqlIdentifier
	// contains filtered or unexported fields
}

type IdentifierMapEntry 

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

type JoinedRecord 

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

func (*JoinedRecord) Clone 

func (j *JoinedRecord) Clone() data.Tuple

func (*JoinedRecord) Data 

func (j *JoinedRecord) Data(tableIx int, ix int) (driver.Value, error)

func (*JoinedRecord) DataLen 

func (j *JoinedRecord) DataLen() int

func (*JoinedRecord) Id 

func (j *JoinedRecord) Id() int64

func (*JoinedRecord) SafeData 

func (j *JoinedRecord) SafeData(tableIx int, ix int) driver.Value

func (*JoinedRecord) SetData 

func (j *JoinedRecord) SetData(tableIx int, ix int, v driver.Value) error

type JoinedRecordTable 

type JoinedRecordTable struct {
}

type JoinedRecords 

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

func JoinedRecordsFromTable 

func JoinedRecordsFromTable(table data.Table) *JoinedRecords

type JoinedRecordsIterator 

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

func (*JoinedRecordsIterator) GetTable 

func (j *JoinedRecordsIterator) GetTable() data.Table

func (*JoinedRecordsIterator) Next 

func (j *JoinedRecordsIterator) Next(f func(tuple data.Tuple) (bool, error)) (data.Tuple, bool, error)

type NodeKind 

type NodeKind int
const (
	AggregationNode NodeKind = iota + 1
	ConstantNode
	GroupByNode
	HavingNode
	SelectListNode
	ParameterNode
)

type OriginalInfo 

type OriginalInfo struct {
	Kind  NodeKind
	Index int
	// contains filtered or unexported fields
}

type PartNode 

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

type Ptr 

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

type SLE 

type SLE interface {
}

type SLName 

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

type SelectListEntry 

type SelectListEntry struct {
	Asterisk bool

	Alias string
	// contains filtered or unexported fields
}

func NewSelectListEntry 

func NewSelectListEntry(asterisk bool, expression *GoSqlTerm, alias string) SelectListEntry

type SimpleAggSLE 

type SimpleAggSLE struct {
	BaseSLE
	// contains filtered or unexported fields
}

type TableExpr 

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

describes a table expression in the From-Part including the preceding jointype, if there is one

type TableViewData 

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

represents the view on the table used for joining, isOuter defines, that table should be outer-joined values represents the view records where the first Value in the records represents the internal record-Id (as int64) if there is one. The view should be sorted according less_than

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