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qframe

package module

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Versions in this module

v0

v0.2.0

Sep 9, 2018

Changes in this version

+ func Doc() string

type Expression

+ func Expr(name string, args ...interface{}) Expression

type QFrame

+ func ReadCSV(reader io.Reader, confFuncs ...csv.ConfigFunc) QFrame

+ func ReadJSON(reader io.Reader, fns ...newqf.ConfigFunc) QFrame

+ func ReadSQL(tx *sql.Tx, confFuncs ...qsql.ConfigFunc) QFrame

+ func (qf QFrame) ColumnTypeMap() map[string]types.DataType

+ func (qf QFrame) ColumnTypes() []types.DataType

+ func (qf QFrame) MustBoolView(colName string) BoolView

+ func (qf QFrame) MustEnumView(colName string) EnumView

+ func (qf QFrame) MustFloatView(colName string) FloatView

+ func (qf QFrame) MustIntView(colName string) IntView

+ func (qf QFrame) MustStringView(colName string) StringView

+ func (qf QFrame) ToCSV(writer io.Writer) error

+ func (qf QFrame) ToJSON(writer io.Writer) error

+ func (qf QFrame) ToSQL(tx *sql.Tx, confFuncs ...qsql.ConfigFunc) error

v0.1.0

May 23, 2018

Changes in this version

+ type Aggregation struct

+ Column string

+ Fn types.SliceFuncOrBuiltInId

+ type AndClause comboClause

+ func And(clauses ...FilterClause) AndClause

+ func (c AndClause) Err() error

+ func (c AndClause) String() string

+ type BoolView struct

+ type ConstBool struct

+ Count int

+ Val bool

+ type ConstFloat struct

+ Count int

+ Val float64

+ type ConstInt struct

+ Count int

+ Val int

+ type ConstString struct

+ Count int

+ Val *string

+ type EnumView struct

+ type Expression interface

+ Err func() error

+ func Expr1(name string, column types.ColumnName) Expression

+ func Expr2(name, val1, val2 interface{}) Expression

+ func Val(value interface{}) Expression

+ type Filter filter.Filter

+ func (c Filter) Err() error

+ func (c Filter) String() string

+ type FilterClause interface

+ Err func() error

+ type FloatView struct

+ type GroupStats grouper.GroupStats

+ type Grouper struct

+ Err error

+ Stats GroupStats

+ func (g Grouper) Aggregate(aggs ...Aggregation) QFrame

+ type Instruction struct

+ DstCol string

+ Fn types.DataFuncOrBuiltInId

+ SrcCol1 string

+ SrcCol2 string

+ type IntView struct

+ type NotClause struct

+ func Not(c FilterClause) NotClause

+ func (c NotClause) Err() error

+ func (c NotClause) String() string

+ type NullClause struct

+ func Null() NullClause

+ func (c NullClause) Err() error

+ func (c NullClause) String() string

+ type OrClause comboClause

+ func Or(clauses ...FilterClause) OrClause

+ func (c OrClause) Err() error

+ func (c OrClause) String() string

+ type Order struct

+ Column string

+ Reverse bool

+ type QFrame struct

+ Err error

+ func New(data map[string]types.DataSlice, fns ...newqf.ConfigFunc) QFrame

+ func ReadCsv(reader io.Reader, confFuncs ...csv.ConfigFunc) QFrame

+ func ReadJson(reader io.Reader, fns ...newqf.ConfigFunc) QFrame

+ func (qf QFrame) Apply(instructions ...Instruction) QFrame

+ func (qf QFrame) BoolView(colName string) (BoolView, error)

+ func (qf QFrame) ByteSize() int

+ func (qf QFrame) ColumnNames() []string

+ func (qf QFrame) Contains(colName string) bool

+ func (qf QFrame) Copy(dstCol, srcCol string) QFrame

+ func (qf QFrame) Distinct(configFns ...groupby.ConfigFunc) QFrame

+ func (qf QFrame) Drop(columns ...string) QFrame

+ func (qf QFrame) EnumView(colName string) (EnumView, error)

+ func (qf QFrame) Equals(other QFrame) (equal bool, reason string)

+ func (qf QFrame) Eval(dstCol string, expr Expression, ff ...eval.ConfigFunc) QFrame

+ func (qf QFrame) Filter(clause FilterClause) QFrame

+ func (qf QFrame) FilteredApply(clause FilterClause, instructions ...Instruction) QFrame

+ func (qf QFrame) FloatView(colName string) (FloatView, error)

+ func (qf QFrame) GroupBy(configFns ...groupby.ConfigFunc) Grouper

+ func (qf QFrame) IntView(colName string) (IntView, error)

+ func (qf QFrame) Len() int

+ func (qf QFrame) Select(columns ...string) QFrame

+ func (qf QFrame) Slice(start, end int) QFrame

+ func (qf QFrame) Sort(orders ...Order) QFrame

+ func (qf QFrame) String() string

+ func (qf QFrame) StringView(colName string) (StringView, error)

+ func (qf QFrame) ToCsv(writer io.Writer) error

+ func (qf QFrame) ToJson(writer io.Writer) error

+ type StringView struct