Module cloudi_service_db_pgsql

CloudI PostgreSQL Data Module

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Copyright © 2009-2015 Michael Truog

Version: 1.5.1 Dec 23 2015 15:21:07 ------------------------------------------------------------------------

Behaviours: cloudi_service.

Authors: Michael Truog (mjtruog [at] gmail (dot) com).

Description

CloudI PostgreSQL Data Module

Data Types

agent()

agent() = cloudi:agent()

common_result()

common_result() = {updated, count()} | {updated, count(), rows()} | {selected, rows()} | {error, any()}

count()

count() = non_neg_integer()

module_response()

module_response(Result) = {{ok, Result}, NewAgent::agent()} | {{error, cloudi:error_reason_sync()}, NewAgent::agent()}

rows()

rows() = [tuple()]

service_name()

service_name() = cloudi:service_name()

timeout_milliseconds()

timeout_milliseconds() = cloudi:timeout_milliseconds()

Function Index

binary_to_bytea/1

Postgres string encoding of binary data.

Better to use equery.
cloudi_service_handle_info/3
cloudi_service_handle_request/11
cloudi_service_init/4
cloudi_service_terminate/3
equery/4

An extended SQL query.

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equery/5

An extended SQL query with a timeout.

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squery/3

A SQL simple query.

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squery/4

A SQL simple query with a timeout.

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transaction/3

A list of SQL simple query for a transaction.

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transaction/4

A list of SQL simple query for a transaction with a timeout.

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Function Details

binary_to_bytea/1

binary_to_bytea(B::binary()) -> string()

Postgres string encoding of binary data.

Better to use equery.

cloudi_service_handle_info/3

cloudi_service_handle_info(Request, State, Dispatcher) -> any()

cloudi_service_handle_request/11

cloudi_service_handle_request(Type, Name, Pattern, RequestInfo, Request, Timeout, Priority, TransId, Pid, State, Dispatcher) -> any()

cloudi_service_init/4

cloudi_service_init(Args, Prefix, Timeout, Dispatcher) -> any()

cloudi_service_terminate/3

cloudi_service_terminate(Reason, Timeout, State) -> any()

equery/4

equery(Agent::agent(), Name::service_name(), Query::string() | binary(), Parameters::list()) -> module_response(any())

An extended SQL query.

equery/5

equery(Agent::agent(), Name::service_name(), Query::string() | binary(), Parameters::list(), Timeout::timeout_milliseconds()) -> module_response(any())

An extended SQL query with a timeout.

squery/3

squery(Agent::agent(), Name::service_name(), Query::string() | binary()) -> module_response(any())

A SQL simple query.

squery/4

squery(Agent::agent(), Name::service_name(), Query::string() | binary(), Timeout::timeout_milliseconds()) -> module_response(any())

A SQL simple query with a timeout.

transaction/3

transaction(Agent::agent(), Name::service_name(), QueryList::[string() | binary()]) -> module_response(ok | {error, any()})

A list of SQL simple query for a transaction.

transaction/4

transaction(Agent::agent(), Name::service_name(), QueryList::[string() | binary()], Timeout::timeout_milliseconds()) -> module_response(ok | {error, any()})

A list of SQL simple query for a transaction with a timeout.


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