type

SqlConn

SqlConn : Conn

SQL connector to a relational database using JDBC.

slots id

Unique identifier for entity in its project

spec

Type of this entity

conn

Marker tag for Conn type

actorTimeout

Timeout for messages send to the connector's actor thread

connErr

Error message associated when connStatus indicates an error condition

connLinger

Linger timeout used to keep a connector open

connOpenRetryFreq

Duration used for connector open retries

connPingFreq

Duration used to configure the auto-ping feature on a given connector

connState

Current connection open/close state of a connector

connStatus

Current status of a connector as one of the predefined strings See Connectors

connTuningRef

Reference to a tuning configuration defined by a ConnTuning rec

disabled

Sets connector into disabled state to prevent communication

sqlConn

Marker tag for SqlConn type

uri

JDBC database URI

username

Username for authentication

password

Password for authentication

sqlSyncHisExpr

This is a tag which must be configured on each sqlConn record used by the connSyncHis() function

sqlConn Marker

Marker tag for SqlConn type

uri Uri?

JDBC database URI

username Str?

Username for authentication

password Password?

Password for authentication

sqlSyncHisExpr Str?

This is a tag which must be configured on each sqlConn record used by the connSyncHis() function. The value must be an Axon expression which evaluates to a function with three parameters:

  • sqlConn: the sqlConn record
  • his: the HisPoint record being synced
  • span: a range of two DateTime values

The function must be return a grid with at exactly two columns for the history data to sync. The first column must be a timestamp in the correct timezone. The second column must be the value. See hx.sql.

Haxall 4.0.5 ∙ 24-Feb-2026 14:33 EST