mirror of https://github.com/jackc/pgx.git
18 lines
1.2 KiB
Markdown
18 lines
1.2 KiB
Markdown
# 4.0.0 (Prerelease)
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v4 is a major release with many significant changes.
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* Simplified establishing a connection with a connection string.
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* All potentially blocking operations now require a context.Context. The non-context aware functions have been removed.
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* OIDs are hard-coded for known types. This saves the query on connection.
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* Context cancellations while network activity is in progress is now always fatal. Previously, it was sometimes recoverable. This led to increased complexity in pgx itself and in application code.
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* Go modules are required.
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* Errors are now implemented in the Go 1.13 style. Tests for specific error types must use `As` or `Is`.
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* `Rows` is now an interface.
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* The connection pool as been decoupled from pgx and is now a separate, included package (github.com/jackc/pgx/v4/pgxpool).
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* pgtype has been spun off to a separate package (github.com/jackc/pgtype).
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* pgproto3 has been spun off to a separate package (github.com/jackc/pgproto3).
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* Lower level PostgreSQL functionality is now implemented in a separate package (github.com/jackc/pgconn).
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* Replication support has been temporarily removed. It will be implemented in a separate package.
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* Tests are now configured with environment variables.
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