directives

Documentation

Index

• type ArgInfo
  • func (info *ArgInfo) ArgName() string
  • func (info *ArgInfo) ArgType() string
• type ArgsInfo
  • func ExtractArgsInfo(stmt *infos.StmtInfo) *ArgsInfo
  • func (info *ArgsInfo) Args() []*ArgInfo
  • func (info *ArgsInfo) Valid() bool
• type VarsInfo
  • func ExtractVarsInfo(stmt *infos.StmtInfo) *VarsInfo
  • func (info *VarsInfo) Has(name string) bool
  • func (info *VarsInfo) Valid() bool
  • func (info *VarsInfo) Value(name string) string
• type WildcardInfo
  • func (info *WildcardInfo) Alias() string
  • func (info *WildcardInfo) CamelName() string
  • func (info *WildcardInfo) Offset() int
  • func (info *WildcardInfo) Table() *infos.TableInfo
  • func (info *WildcardInfo) Valid() bool
  • func (info *WildcardInfo) WildcardName() string
• type WildcardsInfo
  • func ExtractWildcardsInfo(stmt *infos.StmtInfo) *WildcardsInfo
  • func (info *WildcardsInfo) NumWildcard() int
  • func (info *WildcardsInfo) ResultCol2Wildcard(i int) *WildcardInfo
  • func (info *WildcardsInfo) ResultCol2WildcardCol(i int) *infos.ColumnInfo
  • func (info *WildcardsInfo) SingleWildcard() bool
  • func (info *WildcardsInfo) Valid() bool
  • func (info *WildcardsInfo) Wildcard(i int) *WildcardInfo
  • func (info *WildcardsInfo) Wildcards() []*WildcardInfo

Types

type ArgInfo

type ArgInfo argDirective

ArgInfo contains single wrapper function argument information in a statement.

func (*ArgInfo) ArgName

func (info *ArgInfo) ArgName() string

ArgName returns the argument's name.

func (*ArgInfo) ArgType

func (info *ArgInfo) ArgType() string

ArgType returns the argument's type.

type ArgsInfo

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

ArgsInfo contains wrapper function arguments information in a statement.

func ExtractArgsInfo

func ExtractArgsInfo(stmt *infos.StmtInfo) *ArgsInfo

ExtractArgsInfo extracts arg information from a statement or nil if not exists.

func (*ArgsInfo) Args

func (info *ArgsInfo) Args() []*ArgInfo

Args returns all ArgInfo in the statement.

func (*ArgsInfo) Valid

func (info *ArgsInfo) Valid() bool

Valid returns true if info != nil.

type VarsInfo

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

VarsInfo contains custom variables in a statement.

func ExtractVarsInfo

func ExtractVarsInfo(stmt *infos.StmtInfo) *VarsInfo

ExtractVarsInfo extracts custom var information from a statement or nil if not exists.

func (*VarsInfo) Has

func (info *VarsInfo) Has(name string) bool

Has returns true if the named var exists. It returns false if info is nil or not exists.

func (*VarsInfo) Valid

func (info *VarsInfo) Valid() bool

Valid returns true if info != nil

func (*VarsInfo) Value

func (info *VarsInfo) Value(name string) string

Value returns the named var's value. It returns "" if info is nil or not exists or the value is just "".

type WildcardInfo

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

WildcardInfo contains a single wildcard expansion information in a SELECT statement.

func (*WildcardInfo) Alias

func (info *WildcardInfo) Alias() string

Alias returns the optinal wildcard alias.

func (*WildcardInfo) CamelName

func (info *WildcardInfo) CamelName() string

CamelName is the camel case of WildcardName.

func (*WildcardInfo) Offset

func (info *WildcardInfo) Offset() int

Offset returns the offset of this wildcard expansion in query result columns. It returns -1 if info is nil.

func (*WildcardInfo) Table

func (info *WildcardInfo) Table() *infos.TableInfo

Table returns the wildcard table.

func (*WildcardInfo) Valid

func (info *WildcardInfo) Valid() bool

Valid returns true if info is not nil.

func (*WildcardInfo) WildcardName

func (info *WildcardInfo) WildcardName() string

WildcardName returns alias/table name.

type WildcardsInfo

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

WildcardsInfo contains wildcard expansions information in a SELECT statement.

func ExtractWildcardsInfo

func ExtractWildcardsInfo(stmt *infos.StmtInfo) *WildcardsInfo

ExtractWildcardsInfo extracts wildcards information from a statement or nil if not exists.

func (*WildcardsInfo) NumWildcard

func (info *WildcardsInfo) NumWildcard() int

NumWildcard returns the number of wildcards or 0 if info is nil.

func (*WildcardsInfo) ResultCol2Wildcard

func (info *WildcardsInfo) ResultCol2Wildcard(i int) *WildcardInfo

ResultCol2Wildcard returns the wildcard expansion of the i-th query result column. It returns nil if info is nil or i is out of range, or the i-th query result column is not from a wildcard expansion.

func (*WildcardsInfo) ResultCol2WildcardCol

func (info *WildcardsInfo) ResultCol2WildcardCol(i int) *infos.ColumnInfo

ResultCol2WildcardCol returns the wildcard column of the i-th query result column. It returns nil if info is nil or i is out of range, or the i-th query result column is not from a wildcard expansion.

func (*WildcardsInfo) SingleWildcard

func (info *WildcardsInfo) SingleWildcard() bool

SingleWildcard returns true if result columns of the statement are all from a single wildcard expansion.

func (*WildcardsInfo) Valid

func (info *WildcardsInfo) Valid() bool

Valid returns true if info != nil.

func (*WildcardsInfo) Wildcard

func (info *WildcardsInfo) Wildcard(i int) *WildcardInfo

Wildcard returns the i-th wildcard in the statement or nil if info is nil or i is out of range [0, NumWildcard()).

func (*WildcardsInfo) Wildcards

func (info *WildcardsInfo) Wildcards() []*WildcardInfo

Wildcards returns all WildcardInfo in a statement.