Documentation
¶
Index ¶
- Variables
- func GetStringArray(array *C.array) []string
- type BoolExpression
- type Expression
- type From
- type FromClause
- type FromClauseType
- type GroupByClause
- type Operation
- type Query
- func (self *Query) GetColumnNames() []*Value
- func (self *Query) GetEndTime() time.Time
- func (self *Query) GetFromClause() *FromClause
- func (self *Query) GetGroupByClause() GroupByClause
- func (self *Query) GetReferencedColumns() map[*Value][]string
- func (self *Query) GetStartTime() time.Time
- func (self *Query) GetWhereCondition() *WhereCondition
- type Value
- type ValueType
- type WhereCondition
Constants ¶
This section is empty.
Variables ¶
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var (
ZERO_TIME = time.Unix(0, 0)
)
Functions ¶
func GetStringArray ¶
Types ¶
type BoolExpression ¶
type BoolExpression struct {
Left *Expression
Operation string
Right *Expression
}
func GetBoolExpression ¶
func GetBoolExpression(expr *C.bool_expression) (*BoolExpression, error)
type Expression ¶
type Expression struct {
Left interface{}
Operation byte
Right *Expression
}
func GetExpression ¶
func GetExpression(expr *C.expression) (*Expression, error)
func (*Expression) GetLeftExpression ¶
func (self *Expression) GetLeftExpression() (*Expression, bool)
func (*Expression) GetLeftValue ¶
func (self *Expression) GetLeftValue() (*Value, bool)
type FromClause ¶ added in v0.0.5
type FromClause struct {
Type FromClauseType
Names []*Value
}
func GetFromClause ¶ added in v0.0.5
func GetFromClause(fromClause *C.from_clause) (*FromClause, error)
type FromClauseType ¶ added in v0.0.5
type FromClauseType int
const ( FromClauseArray FromClauseType = C.FROM_ARRAY FromClauseMerge FromClauseType = C.FROM_MERGE FromClauseInnerJoin FromClauseType = C.FROM_INNER_JOIN )
type GroupByClause ¶
type GroupByClause []*Value
func (GroupByClause) GetGroupByTime ¶
func (self GroupByClause) GetGroupByTime() (*time.Duration, error)
type Query ¶
type Query struct {
ColumnNames []*Value
FromClause *FromClause
Condition *WhereCondition
Limit int
Ascending bool
// contains filtered or unexported fields
}
func ParseQuery ¶
func (*Query) GetColumnNames ¶
func (*Query) GetEndTime ¶
Returns the start time of the query. Queries can only have one condition of the form time > start_time
func (*Query) GetFromClause ¶
func (self *Query) GetFromClause() *FromClause
func (*Query) GetGroupByClause ¶
func (self *Query) GetGroupByClause() GroupByClause
func (*Query) GetReferencedColumns ¶
Returns a mapping from the time series names (or regex) to the column names that are references
func (*Query) GetStartTime ¶
Returns the start time of the query. Queries can only have one condition of the form time > start_time
func (*Query) GetWhereCondition ¶
func (self *Query) GetWhereCondition() *WhereCondition
type Value ¶
type Value struct {
Name string
Type ValueType
IsCaseInsensitive bool
Elems []*Value
// contains filtered or unexported fields
}
func GetValueArray ¶
func GetValueArray(array *C.value_array) ([]*Value, error)
func (*Value) IsFunctionCall ¶
type ValueType ¶
type ValueType int
const ( ValueRegex ValueType = C.VALUE_REGEX ValueInt ValueType = C.VALUE_INT ValueFloat ValueType = C.VALUE_FLOAT ValueString ValueType = C.VALUE_STRING ValueTableName ValueType = C.VALUE_TABLE_NAME ValueSimpleName ValueType = C.VALUE_SIMPLE_NAME ValueDuration ValueType = C.VALUE_DURATION ValueWildcard ValueType = C.VALUE_WILDCARD ValueFunctionCall ValueType = C.VALUE_FUNCTION_CALL )
type WhereCondition ¶
type WhereCondition struct {
Left interface{}
Operation string
Right *WhereCondition
// contains filtered or unexported fields
}
func GetWhereCondition ¶
func GetWhereCondition(condition *C.condition) (*WhereCondition, error)
func (*WhereCondition) GetBoolExpression ¶
func (self *WhereCondition) GetBoolExpression() (*BoolExpression, bool)
func (*WhereCondition) GetLeftWhereCondition ¶
func (self *WhereCondition) GetLeftWhereCondition() (*WhereCondition, bool)
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