ex_cypher

ex_cypher v0.3.0 ExCypher.Graph.Relationship

Builds relationships using cypher syntax

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Functions

assoc(assoc_type, arg)

Builds associations between nodes and relationships

rel()

Returns the Cypher's syntax for a relationship

rel(props)
rel(labels, props)
rel(name, labels \\ [], props \\ %{})
to_rel(relation)

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assoc(assoc_type, arg)

assoc(
  direction :: assoc_direction(),
  {from :: node_or_relationship(), to :: node_or_relationship()}
) :: String.t()

Builds associations between nodes and relationships

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rel()

rel() :: String.t()

Returns the Cypher's syntax for a relationship:

Usage: 

iex> rel()
"[]"

iex> rel(%{year: 1980})
"[{"year": 1980}]"

iex> rel([:WORKS_IN])
"[:WORKS_IN]"

iex> rel(:r, %{year: 1980})
"[r {"year": 1980}]"

iex> rel([:Rel], %{year: 1980})
"[:Rel {"year": 1980}]"

iex> rel(:r, [:Rel], %{year: 1980})
"[r:Rel {"year": 1980}]"
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rel(props)

rel(props :: map()) :: String.t()
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rel(labels, props)

rel(labels :: list(), props :: map()) :: String.t()
rel(rel_name :: String.t() | atom(), props :: map()) :: String.t()
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rel(name, labels \\ [], props \\ %{})

rel(name :: String.t(), labels :: list(), props :: map()) :: String.t()
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to_rel(relation)