Update td_connect.py#312
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pool_pre_ping=True tells SQLAlchemy to issue a lightweight SELECT 1 before returning any connection from the pool. When a transient Teradata instance restarts, stale pooled connections are detected and discarded automatically — the next tool call gets a fresh connection and succeeds without the agent or user seeing any error. Really useful when using Teradata Trial instances.
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added "pool_pre_ping=True", this tells SQLAlchemy to issue a lightweight SELECT 1 before returning any connection from the pool. When a transient Teradata instance restarts, stale pooled connections are detected and
discarded automatically — the next tool call gets a fresh connection and succeeds without the agent or user seeing any error. Really useful when using Teradata Trial instances.