class

Neo4j::QueryProxy

Inherits Reference / Object

works with a very simplified model of Cypher (MATCH, WHEREs, ORDER BYs, SKIP, LIMIT, RETURN)

Instance methods

add_proxy

for associations

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add_proxy=(add_proxy : QueryProxy | Nil)

for associations

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chain(proxy : QueryProxy)

chaining two proxies together will join the two match clauses and wheres (everything else will use the last value)

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clone_for_chain

clone the query, not the results

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create_merge
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create_merge=(create_merge : String)
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cypher_params
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cypher_query

expose query building properties to make debugging easier

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delete_proxy
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delete_proxy=(delete_proxy : QueryProxy | Nil)
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distinct
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executed?
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expand_where(where : Where) : ExpandedWhere

this will be overridden in subclass

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limit(limit : Int32) : QueryProxy
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limit
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limit=(limit : Int32)
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match
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match=(match : String)
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obj_variable_name
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obj_variable_name=(obj_variable_name : String)
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order(prop : Symbol | String, dir : SortDirection = Neo4j::QueryProxy::SortDirection::ASC) : QueryProxy

this form is mainly for internal use, but use it if you need it

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order(*params) : QueryProxy

ex: .order(:name, :created_by)

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order

ex: .order(name: :ASC, created_by: :desc)

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order_bys
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order_bys=(order_bys : Array(Tuple(String | Symbol, Neo4j::QueryProxy::SortDirection)))
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query_as(obj_var : Symbol | String, rel_var : Symbol | String) : QueryProxy
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query_as(obj_var : Symbol | String) : QueryProxy

TODO: want to expose #query_as as part of public api, but would first need to do some find/replace magic on existing match/create_merge/wheres/ret NOTE: ActiveNode called this .as, but crystal doesn't allow that name

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raw_result
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rel_variable_name
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rel_variable_name=(rel_variable_name : String)
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removes
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removes=(removes : Array(String))
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reorder(*params) : QueryProxy
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reorder
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reset_query
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ret=(ret : String)
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ret_distinct
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ret_distinct=(ret_distinct : Bool)
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return_values
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set(params) : QueryProxy
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set
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sets
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sets=(sets : Array(Tuple(String, Hash(String | Symbol, Neo4j::Value))))
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skip(skip : Int32) : QueryProxy

shown here for documentation purposes, but actual definition is in macro included (type-specific subclass) due to conflict with Enumerable#skip

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skip
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skip=(skip : Int32)
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unorder
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where(str : String, **params) : QueryProxy
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where
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where_not(str : String, **params) : QueryProxy
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where_not
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wheres
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wheres=(wheres : Array(Tuple(String, Hash(String, Neo4j::Value))))
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Nested types