parserutil

package
v0.3.265 Latest Latest
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 Go to latest Published: Jan 31, 2023 License: MIT Imports: 7 Imported by: 0

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Constants

View Source 
const (
	FloatBitSize int = 64
)

Variables

This section is empty.

Functions

func CheckColUsagesAgainstTable 

func CheckColUsagesAgainstTable(colUsages []ColumnUsageMetadata, table *openapistackql.OperationStore) error

func CheckSqlParserTypeVsColumn 

func CheckSqlParserTypeVsColumn(colUsage ColumnUsageMetadata, verifyCallback func(string, interface{}) bool) error

func CheckSqlParserTypeVsResourceColumn 

func CheckSqlParserTypeVsResourceColumn(colUsage ColumnUsageMetadata) error

func CheckSqlParserTypeVsServiceColumn 

func CheckSqlParserTypeVsServiceColumn(colUsage ColumnUsageMetadata) error

func ExtractAliasedValColumnData 

func ExtractAliasedValColumnData(aliasedExpr *sqlparser.AliasedExpr) (map[string]interface{}, error)

func ExtractInsertColumnNames 

func ExtractInsertColumnNames(insertStmt *sqlparser.Insert) ([]string, error)

func ExtractInsertValColumns 

func ExtractInsertValColumns(insStmt *sqlparser.Insert) (map[int]map[int]interface{}, int, error)

func ExtractInsertValColumnsPlusPlaceHolders 

func ExtractInsertValColumnsPlusPlaceHolders(insStmt *sqlparser.Insert) (map[int]map[int]interface{}, int, error)

func ExtractSelectValColumns 

func ExtractSelectValColumns(selStmt *sqlparser.Select) (map[int]map[string]interface{}, int)

func ExtractShowColNames 

func ExtractShowColNames(statement *sqlparser.ShowTablesOpt) ([]string, error)

func ExtractSingleTableFromTableExprs 

func ExtractSingleTableFromTableExprs(tableExprs sqlparser.TableExprs) (*sqlparser.TableName, error)

func ExtractSleepDuration 

func ExtractSleepDuration(statement *sqlparser.Sleep) (int, error)

func ExtractStringRepresentationOfValueColumn 

func ExtractStringRepresentationOfValueColumn(expr *sqlparser.SQLVal) string

func ExtractTableNameFromTableExpr 

func ExtractTableNameFromTableExpr(tableExpr sqlparser.TableExpr) (*sqlparser.TableName, error)

func ExtractUpdateValColumns 

func ExtractUpdateValColumns(upStmt *sqlparser.Update) (map[*sqlparser.ColName]interface{}, []*sqlparser.ColName, error)

func ExtractValuesColumnData 

func ExtractValuesColumnData(values sqlparser.Values) (map[int]map[int]interface{}, int, error)

func ExtractWhereColNames 

func ExtractWhereColNames(statement *sqlparser.Where) ([]string, error)

func GetStringFromStringFunc 

func GetStringFromStringFunc(fe *sqlparser.FuncExpr) (string, error)

func GetTableNameFromTableExpr 

func GetTableNameFromTableExpr(node sqlparser.TableExpr) (sqlparser.TableName, error)

func IsNullTable 

func IsNullTable(node sqlparser.TableExpr) bool

These null "dual" tables are some vitess artifact

func NaiveRewriteComparisonExprs 

func NaiveRewriteComparisonExprs(m map[*sqlparser.ComparisonExpr]struct{})

func TableFromSelectNode 

func TableFromSelectNode(sel *sqlparser.Select) (sqlparser.TableName, error)

Types

type ColTableMap 

type ColTableMap map[ColumnarReference]sqlparser.TableExpr

ColTableMap maps a ColumnarReference (column-like input) to a "Table Expression"; this may be a simple (single table) or composite (eg: subquery, union) object.

type ColumnHandle 

type ColumnHandle struct {
	Alias           string
	Expr            sqlparser.Expr
	Name            string
	Qualifier       string
	DecoratedColumn string
	IsColumn        bool
	Type            sqlparser.ValType
	Val             *sqlparser.SQLVal
}

func ExtractSelectColumnNames 

func ExtractSelectColumnNames(selStmt *sqlparser.Select, formatter sqlparser.NodeFormatter) ([]ColumnHandle, error)

func InferColNameFromExpr 

func InferColNameFromExpr(node *sqlparser.AliasedExpr, formatter sqlparser.NodeFormatter) (ColumnHandle, error)

func NewUnaliasedColumnHandle 

func NewUnaliasedColumnHandle(name string) ColumnHandle

type ColumnKeyedDatastore 

type ColumnKeyedDatastore interface {
	Contains(ColumnarReference) bool
	ContainsString(string) bool
	Delete(ColumnarReference) bool
	DeleteByString(string) bool
	GetStringified() map[string]interface{}
	AndStringMap(map[string]interface{}) ColumnKeyedDatastore
	DeleteStringMap(map[string]interface{}) ColumnKeyedDatastore
}

type ColumnUsageMetadata 

type ColumnUsageMetadata struct {
	ColName *sqlparser.ColName
	ColVal  *sqlparser.SQLVal
}

func ExtractShowColUsage 

func ExtractShowColUsage(statement *sqlparser.ShowTablesOpt) ([]ColumnUsageMetadata, error)

func GetColumnUsageTypes 

func GetColumnUsageTypes(statement sqlparser.Expr) ([]ColumnUsageMetadata, error)

func GetColumnUsageTypesForExec 

func GetColumnUsageTypesForExec(exec *sqlparser.Exec) ([]ColumnUsageMetadata, error)

type ColumnarReference 

type ColumnarReference interface {
	GetStringKey() string
	Value() interface{}
	Alias() string
	String() string
	Name() string
	Abbreviate() (string, bool)
	SourceType() ParamSourceType
	// contains filtered or unexported methods
}

An abstract data type where the underlying datum should in some way represent a column or parameter. Purposes include parameterisation and request routing.

func NewColumnarReference 

func NewColumnarReference(k interface{}, sourceType ParamSourceType) (ColumnarReference, error)

func NewUnknownTypeColumnarReference 

func NewUnknownTypeColumnarReference(k interface{}) (ColumnarReference, error)

type ComparisonTableMap 

type ComparisonTableMap map[*sqlparser.ComparisonExpr]sqlparser.TableExpr

type ParamSourceType 

type ParamSourceType int
const (
	UnknownParam ParamSourceType = iota
	WhereParam
	JoinOnParam
)

type ParameterMap 

type ParameterMap interface {
	ColumnKeyedDatastore

	Clone() ParameterMap
	Merge(ParameterMap) ParameterMap
	Set(ColumnarReference, ParameterMetadata) error
	Get(ColumnarReference) (ParameterMetadata, bool)
	GetAll() []ParameterMapKeyVal
	GetByString(string) ([]ParameterMapKeyVal, bool)
	GetMap() map[ColumnarReference]ParameterMetadata
	GetAbbreviatedStringified() map[string]interface{}
	// contains filtered or unexported methods
}

ParameterMap type is an abstraction for mapping a "Columnar Reference" (an abstract data type) to some supplied or inferred value.

func NewParameterMap 

func NewParameterMap() ParameterMap

type ParameterMapKeyVal 

type ParameterMapKeyVal struct {
	K ColumnarReference
	V ParameterMetadata
}

type ParameterMetadata 

type ParameterMetadata interface {
	GetParent() *sqlparser.ComparisonExpr
	GetVal() interface{}
	GetTable() sqlparser.SQLNode
	SetTable(sqlparser.SQLNode) error
	// contains filtered or unexported methods
}

func NewComparisonParameterMetadata 

func NewComparisonParameterMetadata(parent *sqlparser.ComparisonExpr, val interface{}) ParameterMetadata

func NewPlaceholderParameterMetadata 

func NewPlaceholderParameterMetadata() ParameterMetadata

type PlaceholderParameterMetadata 

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

func (PlaceholderParameterMetadata) GetParent 

func (pm PlaceholderParameterMetadata) GetParent() *sqlparser.ComparisonExpr

func (PlaceholderParameterMetadata) GetTable 

func (pm PlaceholderParameterMetadata) GetTable() sqlparser.SQLNode

func (PlaceholderParameterMetadata) GetVal 

func (pm PlaceholderParameterMetadata) GetVal() interface{}

func (PlaceholderParameterMetadata) SetTable 

func (pm PlaceholderParameterMetadata) SetTable(tb sqlparser.SQLNode) error

type StandardColumnarReference 

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

func (StandardColumnarReference) Abbreviate 

func (cr StandardColumnarReference) Abbreviate() (string, bool)

func (StandardColumnarReference) Alias 

func (cr StandardColumnarReference) Alias() string

func (StandardColumnarReference) GetStringKey 

func (cr StandardColumnarReference) GetStringKey() string

func (StandardColumnarReference) Name 

func (cr StandardColumnarReference) Name() string

func (StandardColumnarReference) SourceType 

func (cr StandardColumnarReference) SourceType() ParamSourceType

func (StandardColumnarReference) String 

func (cr StandardColumnarReference) String() string

func (StandardColumnarReference) Value 

func (cr StandardColumnarReference) Value() interface{}

type StandardComparisonParameterMetadata 

type StandardComparisonParameterMetadata struct {
	Parent *sqlparser.ComparisonExpr
	Val    interface{}
	// contains filtered or unexported fields
}

func (*StandardComparisonParameterMetadata) GetParent 

func (pm *StandardComparisonParameterMetadata) GetParent() *sqlparser.ComparisonExpr

func (*StandardComparisonParameterMetadata) GetTable 

func (pm *StandardComparisonParameterMetadata) GetTable() sqlparser.SQLNode

func (*StandardComparisonParameterMetadata) GetVal 

func (pm *StandardComparisonParameterMetadata) GetVal() interface{}

func (*StandardComparisonParameterMetadata) SetTable 

func (pm *StandardComparisonParameterMetadata) SetTable(tb sqlparser.SQLNode) error

type TableAliasMap 

type TableAliasMap map[string]sqlparser.TableExpr

type TableExprMap 

type TableExprMap map[sqlparser.TableName]sqlparser.TableExpr

func (TableExprMap) GetByAlias 

func (tem TableExprMap) GetByAlias(alias string) (sqlparser.TableExpr, bool)

func (TableExprMap) SingleTableMap 

func (tm TableExprMap) SingleTableMap(filterTable sqlparser.TableName) TableExprMap

func (TableExprMap) ToStringMap 

func (tm TableExprMap) ToStringMap() map[string]interface{}

type TableParameterCoupling 

type TableParameterCoupling interface {
	ColumnKeyedDatastore

	AbbreviateMap() (map[string]interface{}, error)
	Add(ColumnarReference, ParameterMetadata, ParamSourceType) error
	Clone() TableParameterCoupling
	GetOnCoupling() TableParameterCoupling
	GetNotOnCoupling() TableParameterCoupling
	GetAllParameters() []ParameterMapKeyVal
	Minus(rhs TableParameterCoupling) TableParameterCoupling
	ReconstituteConsumedParams(map[string]interface{}) (TableParameterCoupling, error)
	// contains filtered or unexported methods
}

func NewTableParameterCoupling 

func NewTableParameterCoupling() TableParameterCoupling

Source Files

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