A set of extensions for Go's database/sql library providing named parameter support and struct mapping.
sqlx is a Go library that extends the standard database/sql package with additional functionality while maintaining full compatibility. It simplifies database interactions by reducing boilerplate code, offering features like struct mapping and named parameters. The library provides more intuitive ways to handle query results, such as marshaling rows directly into structs, maps, or slices.
Go developers working with SQL databases who want to reduce boilerplate code and simplify data mapping without breaking compatibility with existing database/sql code. It is particularly useful for those building applications that require efficient query handling and struct-based data representation.
Developers choose sqlx because it seamlessly integrates with Go's standard library, offering a superset of database/sql interfaces for painless adoption. Its unique selling points include struct mapping with embedded support, named parameters for readable queries, and convenience methods like Get and Select for quick data retrieval.
general purpose extensions to golang's database/sql
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Marshals query rows directly into structs, maps, or slices, including support for embedded structs, as shown in the usage example with Person and Place structs, reducing manual scanning boilerplate.
Uses named placeholders like :name in queries for better readability, with automatic driver-specific bindvar handling, demonstrated in the NamedExec and NamedQuery examples in the README.
Provides Get and Select methods for quick retrieval of single records or slices, streamlining common operations like fetching people or places without manual iteration, as illustrated in the code snippet.
Supports batch insertions using slices of structs or maps, enhancing performance for bulk data operations, with examples for both structs and maps in the usage section.
All sqlx types are supersets of standard database/sql interfaces, allowing painless integration with existing codebases, as emphasized in the philosophy and godoc documentation.
Row headers can be ambiguous in queries with duplicate column names, as admitted in the issues section, requiring manual AS aliases, rows.Scan, or SliceScan to resolve, which adds complexity.
Lacks advanced ORM capabilities like automatic migrations, relationship management, or complex query building, focusing only on extending database/sql without higher-level abstractions.
Only guarantees compatibility with the most recent two Go versions, per the README, which might lead to breaking changes or maintenance issues for long-term projects beyond that scope.