Enumerations

Undocumented

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public enum PGError: Error

PGConn Status Enumeration Adapter

Values

ok Connection is ready

bad Connection procedure has failed

started Waiting for connection to be made.

made Connection OK; waiting to send.

awaitingRsponse Waiting for a response from the postmaster.

authenticationOk Received authentication; waiting for backend startup.

setenv Negotiating environment-driven parameter settings.

sslStartup Negotiating SSL encryption.

needed Internal state: connect() needed

checkWritable Checking if connection is able to handle write transactions.

consume Consuming any remaining response messages on connection.

Outside of an asynchronous connection procedure only ok and bad are seen.

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public enum PGConnStatus

In-transaction status

values

idle currently idle

active a command is in progress

Is reported only when a query has been sent to the server and not yet completed.

idleTransaction idle, in a valid transaction block

idleFailedTransaction idle, in a failed transaction block

unkown is reported if the connection is bad

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public enum PGTransactionStatus

Result Status

values

emptyQuery The string sent to the server was empty.

commandOK Successful completion of a command returning no data.

tuplesOK Successful completion of a command returning data (such as a SELECT or SHOW).

copyOut Copy Out (from server) data transfer started.

copyIn Copy In (to server) data transfer started.

badResponse The server’s response was not understood.

nonfatalError A nonfatal error (a notice or warning) occurred.

fatalError A fatal error occurred.

copyBoth Copy In/Out (to and from server) data transfer started. This feature is currently used only for streaming replication, so this status should not occur in ordinary applications.

singleTuple The PGresult contains a single result tuple from the current command. This status occurs only when single-row mode has been selected for the query

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public enum PGResultStatus