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scalation/scalation/scalation.database/scalation.database.table/GTable

GTable

scalation.database.table.GTable
See theGTable companion object
class GTable(name_: String, schema_: Schema, domain_: Domain, key_: Schema) extends Table, Serializable

The GTable class (graph-table) stores graph-table data and implements graph algebra operators. Supported domains/data-types are 'D'ouble, 'I'nt, 'L'ong, 'S'tring, and 'T'imeNum.

Value parameters

domain_

the domains/data-types for attributes ('D', 'I', 'L', 'S', 'X', 'T')

key_

the attributes forming the primary key

name_

the name of the graph-table

schema_

the attributes for the graph-table

Attributes

Companion
object
Graph
Supertypes
class Table
trait Tabular[Table]
trait Serializable
class Object
trait Matchable
class Any
Show all
Known subtypes
class KGTable

Members list

Value members

Concrete methods

def add(v: Vertex): Vertex

Add a vertex to this graph-table (analog of a tuple).

Add a vertex to this graph-table (analog of a tuple).

Value parameters

v

the vertex to add

Attributes

def add2E(u: Vertex, elab: String, e: Edge, elab2: String, v: Vertex, tab: GTable): GTable

Add two edges from vertex u to vertex v and from v to u both with edge-label elab.

Add two edges from vertex u to vertex v and from v to u both with edge-label elab.

Value parameters

e

the outgoing edge

elab

the edge-label, e.g., "takes" as in student takes course

elab2

the reverse edge-label, e.g., "enrolls" as in course enrolls student

tab

the target vertex's graph-table, e.g., course

u

the source vertex, a student

v

the target vertex, e.g., a course

Attributes

def add2E(elab: String, e: Edge, elab2: String, tab: GTable): GTable

Add two edges from vertex u to vertex v and from v to u both with edge-label elab.

Add two edges from vertex u to vertex v and from v to u both with edge-label elab.

Value parameters

e

the outgoing edge

elab

the edge-label, e.g., "takes" as in student takes course

elab2

the reverse edge-label, e.g., "enrolls" as in course enrolls student

tab

the target vertex's graph-table, e.g., course

Attributes

def addE(u: Vertex, elab: String, e: Edge): GTable

Add an edge e from vertex u (to vertex v) with edge-label elab.

Add an edge e from vertex u (to vertex v) with edge-label elab.

Value parameters

e

the edge (tuple, from (u), to (v))

elab

the edge-label, e.g., taughtBy

u

the source vertex

Attributes

def addE(elab: String, e: Edge): GTable

Add an edge e from vertex e.to (to vertex e.from) with edge-label elab.

Add an edge e from vertex e.to (to vertex e.from) with edge-label elab.

Value parameters

e

the edge (from (u), to(v), tuple)

elab

the edge-label, e.g., taughtBy

Attributes

def addEdgeType(elab: String, to: GTable, unique: Boolean): Unit

Add an edge type to this graph-table (analog of a foreign key).

Add an edge type to this graph-table (analog of a foreign key).

Value parameters

elab

the edge-label for this edge type

to

the graph-table/vertex type for the target vertices

unique

whether the target vertex is unique, e.g., many-to-one relationship

Attributes

def addEs(u: Vertex, elab: String, es: ArrayBuffer[Edge]): Unit

Add edges from vertex u to vertices vs with edge-label elab.

Add edges from vertex u to vertices vs with edge-label elab.

Value parameters

elab

the edge-label, e.g., taught

u

the source vertex, e.g., professor

vs

the target vertices, e.g., courses being taught

Attributes

inline def addV(t: Tuple): Vertex

Create and add a vertex to this graph-table.

Create and add a vertex to this graph-table.

Value parameters

t

the tuple for creating a vertex to add

Attributes

inline def addV(x: ValueType*): Vertex
override def contains(t: Tuple): Boolean

Return whether this graph-table contains tuple u.

Return whether this graph-table contains tuple u.

Value parameters

t

the tuple to look for

Attributes

Definition Classes
def edgeTable(ref: (String, GTable)): GTable

Create an edge table containing all edges with the given edges label connecting vertices in this graph-table to vertices in the reference table. FIX - allow wild-card (e.g., *) for matching any edge-label

Create an edge table containing all edges with the given edges label connecting vertices in this graph-table to vertices in the reference table. FIX - allow wild-card (e.g., *) for matching any edge-label

Value parameters

ref

the foreign key reference (edge-label, referenced table)

Attributes

def ejoin(ref: (String, GTable, String)): GTable

Compute the EDGE JOIN of this graph-table and the referenced table keeping concatenated vertices that are linked with edges having the given edge-label. Replaces fkey = pkey join and uses INDEX-FREE ADJACENCY. FIX - allow wild-card (e.g., *) for matching any edge-label

Compute the EDGE JOIN of this graph-table and the referenced table keeping concatenated vertices that are linked with edges having the given edge-label. Replaces fkey = pkey join and uses INDEX-FREE ADJACENCY. FIX - allow wild-card (e.g., *) for matching any edge-label

Value parameters

ref

the foreign key reference (edge-label, referenced table, back edge-label)

Attributes

def expand(x: Schema, ref: (String, GTable)): GTable

Expand and extract schema x from this graph-table and the referenced table. Acts as a lightweight join-project operator that only extracts attributes in schema x and does not create new edges. FIX: for wildcard "*" extract all attributes

Expand and extract schema x from this graph-table and the referenced table. Acts as a lightweight join-project operator that only extracts attributes in schema x and does not create new edges. FIX: for wildcard "*" extract all attributes

Value parameters

ref

the foreign key reference (edge-label, referenced table)

x

the attributes to extract/collect from this and the referenced table.

Attributes

See also
def expand(xs: String, ref: (String, GTable)): GTable
def getPkey(v: Vertex): Tuple

Return the primary key for the given vertex.

Return the primary key for the given vertex.

Value parameters

v

the given vertex

Attributes

infix override def intersect(r2: Table): GTable

INTERSECT this graph-table and r2. Check that the two tables are compatible. If they are not, return the first table.

INTERSECT this graph-table and r2. Check that the two tables are compatible. If they are not, return the first table.

Value parameters

r2

the second table (may be a Table or GTable)

Attributes

Definition Classes
infix override def minus(r2: Table): GTable

Compute this graph-table MINUS (set difference) table r2 (this - r2). Check that the two tables are compatible. If they are not, return the first table.

Compute this graph-table MINUS (set difference) table r2 (this - r2). Check that the two tables are compatible. If they are not, return the first table.

Value parameters

r2

the second table (may be a Table or GTable)

Attributes

Definition Classes
override def project(x: Schema): GTable

PROJECT the vertices in this graph-table onto the given attribute names.

PROJECT the vertices in this graph-table onto the given attribute names.

Value parameters

x

the schema/attribute names to project onto

Attributes

Definition Classes
override def resetWidth(col: Int, w: Int): Unit

Reset the width of column col to w.

Reset the width of column col to w.

Value parameters

col

the column whose width is to be adjusted

w

the new width (# chars) for column col

Attributes

Definition Classes
override def select(predicate: Predicate): GTable

SELECT the vertices in this graph-table that satisfy the predicate p.

SELECT the vertices in this graph-table that satisfy the predicate p.

Value parameters

p

the predicate (Boolean function) to be satisfied

Attributes

Definition Classes
override def select(condition: String): GTable

SELECT the vertices in this graph-table that satisfy the given simple (3 token) condition.

SELECT the vertices in this graph-table that satisfy the given simple (3 token) condition.

Value parameters

condition

the simple condition string "a1 op a2" to be satisfied, where a1 is attribute, op is comparison operator, a2 is attribute or value

Attributes

Definition Classes
override def show(rng: Range): Unit

SHOW/print this graph-table, one vertex per row.

SHOW/print this graph-table, one vertex per row.

Value parameters

rng

the range of vertices to show (e.g, 0 until 10), defaults to all

Attributes

Definition Classes
override def stats: Table

Return the basic statistics for each column of this table.

Return the basic statistics for each column of this table.

Attributes

Definition Classes
infix override def union(r2: Table): GTable

UNION this graph-table and r2. Check that the two tables are compatible. If they are not, return the first table. Caveat: Assumes the key from the first table still works (@see create_index) Acts like union-all, so to remove duplicates call create_index after union.

UNION this graph-table and r2. Check that the two tables are compatible. If they are not, return the first table. Caveat: Assumes the key from the first table still works (@see create_index) Acts like union-all, so to remove duplicates call create_index after union.

Value parameters

r2

the second table (may be a Table or GTable)

Attributes

Definition Classes
override def writeJSON(fileName: String): Unit

WRITE this graph-table into a JavaScript Object Notation (JSON) file.

WRITE this graph-table into a JavaScript Object Notation (JSON) file.

Value parameters

fileName

the file name of the data file

Attributes

Definition Classes

Inherited methods

def +=(v: ValueType*): Table

Attributes

Inherited from:
Tabular
inline def -(r2: Table): Table

Attributes

Inherited from:
Tabular
inline def /(r2: Table): Table

Attributes

Inherited from:
Tabular
def add(t: Tuple): Table

ADD (insert) tuple t into this table checking to make sure the domains are correct. Also, checks referential integrity for any foreign keys in the tuple. Return true iff the tuple passes the type check and reference check.

ADD (insert) tuple t into this table checking to make sure the domains are correct. Also, checks referential integrity for any foreign keys in the tuple. Return true iff the tuple passes the type check and reference check.

Value parameters

t

the tuple to be inserted

Attributes

Inherited from:
Table
def add(v: ValueType*): Table

Attributes

Inherited from:
Tabular
def addLinkage(fkey: String, refTab: Table): Unit

Add LINKAGE from this table to the refTab, by adding a FOREIGN KEY CONSTRAINT to this table specifying the foreign key attribute fkey and the table it references refTab. If refTab does not have a primary index already, make one. Caveat: a foreign key may not be composite.

Add LINKAGE from this table to the refTab, by adding a FOREIGN KEY CONSTRAINT to this table specifying the foreign key attribute fkey and the table it references refTab. If refTab does not have a primary index already, make one. Caveat: a foreign key may not be composite.

Value parameters

fkey

the foreign key attribute

refTab

the table being referenced (to its primary key)

Attributes

Inherited from:
Table
def aggregate(ag: String, f_as: (AggFunction, String)*): Table

Assuming this table has been grouped by attribute ag, create a table where the first column is ag and the rest are AGGREGATE FUNCTIONs applied to their corresponding attributes. Usage: deposit aggregate ("bname", (avg, "balance"))

Value parameters

ag

the attribute the table has been grouped on

f_as

the aggregate function and the attribute to apply it to (as varargs)

Attributes

Inherited from:
Table
def apply(pos: IndexedSeq[Int]): Table

Return the table restricted to the given collection of rows.

Return the table restricted to the given collection of rows.

Value parameters

pos

the given collection of rows

Attributes

Inherited from:
Table
def apply(r: Range): Table

Return the table restricted to the given range of rows.

Return the table restricted to the given range of rows.

Value parameters

r

the given range of rows

Attributes

Inherited from:
Table
def col(j: Int, tups: ArrayBuffer[Tuple]): Array[ValueType]

Return the j-th column in this table (or the passed in tuples) as an array of value-type.

Return the j-th column in this table (or the passed in tuples) as an array of value-type.

Value parameters

j

the column to return

tups

the collection of tuples to use (defaults to all tuples in this table)

Attributes

Inherited from:
Table
def colIndices: Range

Return the range of columns numbers for the table.

Return the range of columns numbers for the table.

Attributes

Inherited from:
Tabular
def cols: Int

Return the size in terms of number of columns in the table.

Return the size in terms of number of columns in the table.

Attributes

Inherited from:
Tabular
def create_index(rebuild: Boolean): Unit

CREATE/recreate the primary INDEX that maps the primary key to the tuple containing it. Warning, creating an index will remove DUPLICATES based on maintaining UNIQUENESS CONSTRAINT of primary key values.

CREATE/recreate the primary INDEX that maps the primary key to the tuple containing it. Warning, creating an index will remove DUPLICATES based on maintaining UNIQUENESS CONSTRAINT of primary key values.

Value parameters

rebuild

if rebuild is true, use old index to build new index; otherwise, create new index

Attributes

Inherited from:
Table
def create_mindex(atr: String): Unit

CREATE a non-unique INDEX (multi-valued) that maps a non-unique attribute to the tuple containing it.

CREATE a non-unique INDEX (multi-valued) that maps a non-unique attribute to the tuple containing it.

Value parameters

atr

the attribute/column to create the non-unique index on

Attributes

See also

scalation.database.MultiMap

Inherited from:
Table
def create_sindex(atr: String): Unit

CREATE a secondary unique INDEX that maps a secondary key to the tuple containing it. Has no effect on duplicates; should first create a primary index to remove duplicates, otherwise, this index may skip tuples.

CREATE a secondary unique INDEX that maps a secondary key to the tuple containing it. Has no effect on duplicates; should first create a primary index to remove duplicates, otherwise, this index may skip tuples.

Value parameters

atr

the attribute/column to create the index on

Attributes

Inherited from:
Table
def delete(predicate: Predicate): Boolean

DELETE all tuples in this table satisfying the deletion predicate. If there is an index, remove those tuples from the index as well. Return true iff at least one tuple is deleted.

DELETE all tuples in this table satisfying the deletion predicate. If there is an index, remove those tuples from the index as well. Return true iff at least one tuple is deleted.

Value parameters

predicate

the predicate that specifies which tuples to delete

Attributes

Inherited from:
Table
inline def dims: (Int, Int)

Return the cardinality (number of tuples) and arity (number of attributes).

Return the cardinality (number of tuples) and arity (number of attributes).

Attributes

Inherited from:
Tabular
def drop_index(): Unit

DROP the primary INDEX that maps the primary key to the tuple containing it.

DROP the primary INDEX that maps the primary key to the tuple containing it.

Attributes

Inherited from:
Table
def drop_mindex(atr: String): Unit

DROP a non-unique INDEX that maps a non-unique attribute to the tuple containing it.

DROP a non-unique INDEX that maps a non-unique attribute to the tuple containing it.

Attributes

Inherited from:
Table
def drop_sindex(atr: String): Unit

DROP a secondary INDEX that maps a secondary key to the tuple containing it.

DROP a secondary INDEX that maps a secondary key to the tuple containing it.

Attributes

Inherited from:
Table
def getPkey(i: Int): KeyType

Return the i-th primary key.

Return the i-th primary key.

Value parameters

i

the index in the tuples/row index

Attributes

Inherited from:
Table
def incompatible(r2: Table): Boolean

Determine whether this table and r2 are incompatible by having differing domains.

Determine whether this table and r2 are incompatible by having differing domains.

Value parameters

r2

the second table

Attributes

Inherited from:
Tabular
def indices: Range

Return the range of row numbers for the table.

Return the range of row numbers for the table.

Attributes

Inherited from:
Tabular
def join(x: Schema, y: Schema, r2: Table): Table

Compute the EQUI-JOIN of this table and r2 keeping concatenated tuples that are equal on specified attributes. Usage: customer join (Array ("cname"), Array ("cname"), deposit)

Value parameters

r2

the second table

x

the subschema/attributes for the first/this table

y

the subschema/attributes for the second table

Attributes

Inherited from:
Table
def join(condition: String, r2: Table): Table
inline def join(x: String, y: String, r2: Table): Table

Attributes

Inherited from:
Tabular
infix def leftJoin(r2: Table): Table

Compute the LEFT-JOIN of this table and r2 keeping concatenated tuples that are equal on specified attributes. Also, keep all tuples in the left table padding the missing attributes with null.

Compute the LEFT-JOIN of this table and r2 keeping concatenated tuples that are equal on specified attributes. Also, keep all tuples in the left table padding the missing attributes with null.

Value parameters

r2

the second table

Attributes

Inherited from:
Tabular
def nullTuple(domain: Domain): Tuple

Create a tuple with missing values for each column according to the given domains. This method is used by leftJoin.

Create a tuple with missing values for each column according to the given domains. This method is used by leftJoin.

Value parameters

domain

the domains of the table for which a null tuple is required

Attributes

Inherited from:
Tabular
infix def product(r2: Table): Table
def project(cPos: IndexedSeq[Int]): Table

PROJECT onto the columns with the given column positions (first is column 0). Uaage: customer.project (Array (1, 2))

Value parameters

cPos

the column positions to project onto

Attributes

Inherited from:
Table
inline def project(x: String): Table

Attributes

Inherited from:
Tabular
def prt(v: ValueType, w: Int): Unit

PRINT value-type v with a width of w.

PRINT value-type v with a width of w.

Value parameters

v

the value to be printed

w

the width (# chars) for the column

Attributes

Inherited from:
Table
def pull(cp: IndexedSeq[Int]): Domain

Pull the domains out of this table for the attributes in subschema column positions cp.

Pull the domains out of this table for the attributes in subschema column positions cp.

Value parameters

cp

the subschema/attribute column positions to be collected

Attributes

Inherited from:
Tabular
def pull(x: Schema): Domain

Pull the domains out of this table for the attributes in subschema x.

Pull the domains out of this table for the attributes in subschema x.

Value parameters

x

the subschema/attributes to be collected

Attributes

Inherited from:
Tabular
def pull(t: Tuple, a: String): ValueType

Pull a value out of tuple t for attribute a.

Pull a value out of tuple t for attribute a.

Value parameters

a

the attribute to be collected

t

the given tuple to pull value out of

Attributes

Inherited from:
Tabular
def pull(t: Row, cp: IndexedSeq[Int]): Row

Pull the values out of row t for the attributes in subschema column positions cp.

Pull the values out of row t for the attributes in subschema column positions cp.

Value parameters

cp

the subschema/attribute column positions to be collected

t

the given row to pull values out of

Attributes

Inherited from:
Tabular
def pull(t: Row, x: Schema): Row

Pull the values out of row t for the attributes in subschema x.

Pull the values out of row t for the attributes in subschema x.

Value parameters

t

the given row to pull values out of

x

the subschema/attributes to be collected

Attributes

Inherited from:
Tabular
def pull(t: Tuple, cp: IndexedSeq[Int]): Tuple

Pull the values out of tuple t for the attributes in subschema column positions cp.

Pull the values out of tuple t for the attributes in subschema column positions cp.

Value parameters

cp

the subschema/attribute column positions to be collected

t

the given tuple to pull values out of

Attributes

Inherited from:
Tabular
def pull(t: Tuple, x: Schema): Tuple

Pull the values out of tuple t for the attributes in subschema x.

Pull the values out of tuple t for the attributes in subschema x.

Value parameters

t

the given tuple to pull values out of

x

the subschema/attributes to be collected

Attributes

Inherited from:
Tabular
def referenceCheck(t: Tuple): Boolean

Check that all the foreign keys values in tuple t satisfy their REFERENTIAL INTEGRITY CONSTRAINTS.

Check that all the foreign keys values in tuple t satisfy their REFERENTIAL INTEGRITY CONSTRAINTS.

Value parameters

t

the tuple being checked for referential integrity

Attributes

Inherited from:
Table
def rename(newName: String): Table

RENAME this table, returning a shallow copy of this table. Usage: customer rename "client"

Value parameters

newName

the new name for the table

Attributes

Inherited from:
Table
def rightJoin(r2: Table): Table

Compute the RIGHT-JOIN of this table and r2 keeping concatenated tuples that are equal on specified attributes. Also, keep all tuples in the right table padding the missing attributes with null.

Compute the RIGHT-JOIN of this table and r2 keeping concatenated tuples that are equal on specified attributes. Also, keep all tuples in the right table padding the missing attributes with null.

Value parameters

r2

the second table

Attributes

Inherited from:
Tabular
def rightJoin(x: Schema, y: Schema, r2: Table): Table

Compute the RIGHT-EQUI-JOIN of this table and r2 keeping concatenated tuples that are equal on specified attributes. Also, keep all tuples in the right table padding the missing attributes with null.

Compute the RIGHT-EQUI-JOIN of this table and r2 keeping concatenated tuples that are equal on specified attributes. Also, keep all tuples in the right table padding the missing attributes with null.

Value parameters

r2

the second table

x

the subschema/attributes for the left/first/this table

y

the subschema/attributes for the right/second table

Attributes

Inherited from:
Tabular
def rows: Int

Return the cardinality (number of tuples) in this table.

Return the cardinality (number of tuples) in this table.

Attributes

Inherited from:
Table
def save(): Unit

SAVE this table in a file using serialization.

SAVE this table in a file using serialization.

Attributes

See also

load in Table object

Inherited from:
Table
def select(a: String, apred: APredicate): Table

SELECT the tuples in this table that satisfy the atomic predicate on column a. Usage: customer select ("ccity", _ == "Athens")

Value parameters

a

the attribute name of the column used for selection

apred

the atomic predicate (Boolean function) to be satisfied

Attributes

Inherited from:
Table
def selproject(a: String, apred: APredicate): Table

SELECT elements from column a in this table that satisfy the atomic predicate apred and PROJECT onto that column. Usage: customer selproject ("ccity", _ > "Athens")

Value parameters

a

the attribute name of the column used for selection

apred

the atomic predicate (Boolean function) to be satisfied

Attributes

Inherited from:
Table
def showT(tups: ArrayBuffer[Tuple]): String

Convert the tuples in tups into a string, e.g., for displaying a collection of tuples.

Convert the tuples in tups into a string, e.g., for displaying a collection of tuples.

Value parameters

tups

the tuples to be converted to a string

Attributes

Inherited from:
Tabular
def show_foreign_keys(): Unit

SHOW/print this table's foreign keys.

SHOW/print this table's foreign keys.

Attributes

Inherited from:
Table
def show_index(): Unit

SHOW/print this table's primary index.

SHOW/print this table's primary index.

Attributes

Inherited from:
Table
def string2Dom(str: String, dom: Char): ValueType

Convert a String into a ValueType with the given domain.

Convert a String into a ValueType with the given domain.

Value parameters

dom

the domain/data-type to convert it into

str

the given string

Attributes

Inherited from:
Table
def toMatrix(cols: Array[Int]): MatrixD

CONVERT this table to a matrix of doubles by making the necessary type transformations.

CONVERT this table to a matrix of doubles by making the necessary type transformations.

Value parameters

cols

the column positions to use for forming the matrix

Attributes

See also

the fromMatrix method

Inherited from:
Table
def toMatrixV(cols: Array[Int], colj: Int): (MatrixD, VectorD)

CONVERT this table to a matrix and a vector of doubles by making the necessary type transformations. Usage: table -> (X, y) for linear algebra/regression problem Xb = y.

CONVERT this table to a matrix and a vector of doubles by making the necessary type transformations. Usage: table -> (X, y) for linear algebra/regression problem Xb = y.

Value parameters

colj

the column position to use for forming the vector

cols

the column positions to use for forming the matrix

Attributes

Inherited from:
Table
def toVectorD(colj: Int): VectorD

CONVERT the colj column of this table into a vector of doubles, etc.

CONVERT the colj column of this table into a vector of doubles, etc.

Value parameters

colj

the column position to use for the vector

Attributes

Inherited from:
Table
def toVectorI(colj: Int): VectorI

Attributes

Inherited from:
Table
def toVectorL(colj: Int): VectorL

Attributes

Inherited from:
Table
def toVectorS(colj: Int): VectorS

Attributes

Inherited from:
Table
def toVectorT(colj: Int): VectorT

Attributes

Inherited from:
Table
def typeCheck(t: Tuple): Boolean

Check the size of the tuple (number of elements) as well as the type of each value to ensure it is from the right domain (satisfies the DOMAIN CONSTRAINTS).

Check the size of the tuple (number of elements) as well as the type of each value to ensure it is from the right domain (satisfies the DOMAIN CONSTRAINTS).

Value parameters

t

the tuple to be type checked

Attributes

Inherited from:
Tabular
def update(a: String, func: ValueType => ValueType, matchVal: ValueType): Boolean

UPDATE the column with attribute name a using function func for elements with value matchVal. Return true iff at least one tuple is updated.

UPDATE the column with attribute name a using function func for elements with value matchVal. Return true iff at least one tuple is updated.

Value parameters

a

the attribute name for the column to be updated

func

the function used to assign updated values

matchVal

the value to be matched to elements

Attributes

Inherited from:
Table
def update(a: String, newVal: ValueType, matchVal: ValueType): Boolean

UPDATE the column with attribute name a using newVal for elements with value matchVal. Return true iff at least one tuple is updated.

UPDATE the column with attribute name a using newVal for elements with value matchVal. Return true iff at least one tuple is updated.

Value parameters

a

the attribute name for the column to be updated

matchVal

the value to be matched to elements

newVal

the value used to assign updated values

Attributes

Inherited from:
Table
def writeCSV(fileName: String): Unit

WRITE this table into a Comma-Separated-Value (CSV) file with each tuple written to a line.

WRITE this table into a Comma-Separated-Value (CSV) file with each tuple written to a line.

Value parameters

fileName

the file name of the data file (defaults to "name.csv")

Attributes

Inherited from:
Table
inline def ×(r2: Table): Table

Attributes

Inherited from:
Tabular
inline def γ(ag: String): Table

Attributes

Inherited from:
Tabular
inline def π(cPos: IndexedSeq[Int]): Table

Attributes

Inherited from:
Tabular
inline def π(x: String): Table

Attributes

Inherited from:
Tabular
inline def ρ(newName: String): Table

Attributes

Inherited from:
Tabular
inline def σ(pkey: KeyType): Table

Attributes

Inherited from:
Tabular
inline def σ(condition: String): Table

Attributes

Inherited from:
Tabular
inline def σ(predicate: Predicate): Table

Attributes

Inherited from:
Tabular
inline def σ(a: String, apred: APredicate): Table

Attributes

Inherited from:
Tabular
inline def σπ(a: String, apred: APredicate): Table

Attributes

Inherited from:
Tabular
inline def ℱ(ag: String, f_as: (AggFunction, String)*): Table

Attributes

Inherited from:
Tabular
inline def ↑(x: String*): Table

Attributes

Inherited from:
Tabular
inline def ↓(x: String*): Table

Attributes

Inherited from:
Tabular
inline def ⋂(r2: Table): Table

Attributes

Inherited from:
Tabular
inline def ⋃(r2: Table): Table

Attributes

Inherited from:
Tabular
inline def ⋈(r2: Table): Table

Attributes

Inherited from:
Tabular
inline def ⋈(fkey: (String, Table)): Table

Attributes

Inherited from:
Tabular
inline def ⋈(x: String, y: String, r2: Table): Table

Attributes

Inherited from:
Tabular
inline def ⋈(condition: String, r2: Table): Table

Attributes

Inherited from:
Tabular
inline def ⋈(predicate: Predicate2, r2: Table): Table

Attributes

Inherited from:
Tabular
inline def ⋉(r2: Table): Table

Attributes

Inherited from:
Tabular
inline def ⋉(x: Schema, y: Schema, r2: Table): Table

Attributes

Inherited from:
Tabular
inline def ⋊(r2: Table): Table

Attributes

Inherited from:
Tabular
inline def ⋊(x: Schema, y: Schema, r2: Table): Table

Attributes

Inherited from:
Tabular

Concrete fields

val edgeType: Map[String, (GTable, Boolean)]
val vertices: ArrayBuffer[Vertex]

Inherited fields

val domain: Domain

Attributes

Inherited from:
Tabular
val key: Schema

Attributes

Inherited from:
Tabular
val name: String

Attributes

Inherited from:
Tabular
val on: Map[String, Int]

Attributes

Inherited from:
Tabular
val schema: Schema

Attributes

Inherited from:
Tabular
Generated with