Documentation
¶
Index ¶
- type ArgInfo
- type ArgsInfo
- type VarsInfo
- type WildcardInfo
- type 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
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type ArgInfo ¶
type ArgInfo argDirective
ArgInfo contains single wrapper function argument information in a statement.
type ArgsInfo ¶
type ArgsInfo struct {
// contains filtered or unexported fields
}
ArgsInfo contains wrapper function arguments information in a statement.
func ExtractArgsInfo ¶
ExtractArgsInfo extracts arg information from a statement or nil if not exists.
type VarsInfo ¶
type VarsInfo struct {
// contains filtered or unexported fields
}
VarsInfo contains custom variables in a statement.
func ExtractVarsInfo ¶
ExtractVarsInfo extracts custom var information from a statement or nil if not exists.
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.
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