Generic Database Access Layer implementation in Golang.

• GoDoc
• Examples
• Generic AWS DynamoDB DAO
• Generic MongoDB DAO
• Generic database/sql DAO

• Bug fixes.

• More tests.
• Bug fixes & enhancements.
• Update docs & dependency libs.

• New package dynamodb: provides a generic AWS DynamoDB implementation of godal.IGenericDao.
• GenericDaoSql:
  • Fix nil-pointer bug when passing nil filter/sorting.
  • SqlExecute() and SqlQuery(): always use prepared statement (also fix a bug that int/float columns are returned as []byte)
• GenericRowMapperSql:
  • Add GboFieldToColNameTranslator and ColNameToGboFieldTranslator: define rules to translate column names to field names and vice versa.
• Breaking changes:
  • ColummNameTransformation renamed to NameTransformation
  • Constants ColNameTransIntact, ColNameTransUpperCase and ColNameTransLowerCase renamed to NameTransfIntact, NameTransfUpperCase and NameTransfLowerCase.
  • GenericRowMapperSql.ColNameTrans renamed to NameTransformation.
• Update docs & dependency libs.
• Removed deprecated functions.
• Other fixes & enhancements.

• Breaking changes:
  • Move AbstractGenericDao.GdaoDelete(...) to sub-classes (GenericDaoMongo and GenericDaoSql)
  • IGenericDao: GdaoCreate, GdaoUpdate and GdaoSave return (0, GdaoErrorDuplicatedEntry) if written row violate data integrity (duplicated key or unique index)
• Add transaction-supported functions to GenericDaoMongo and GenericDaoSql.
• GenericDaoSql:
  • New method WrapTransaction(ctx context.Context, func(ctx context.Context, tx *sql.Tx) error) error
• More tests
• Update dependency libs
• Other fixes & enhancements

• GenericBo: new function Checksum() []byte
• GenericDaoMongo:
  • New method WrapTransaction(ctx context.Context, txFunc func(sctx mongo.SessionContext) error) error
  • Add tests
  • Fixes & Enhancements
• GenericDaoSql:
  • Add tests
  • Fixes & Enhancements
• Update dependency libs
• Other fixes & enhancements

• Upgrade dependency libs.

• Migrate to Go modular design.
• Generic database/sql DAO implementation: GenericDaoSql

• Generic business object:
  • Interface IGenericBo & implementation GenericBo
• Generic data access object:
  • Interface IGenericDao & abstract implementation AbstractGenericDao
• Generic MongoDB DAO implementation: GenericDaoMongo

MIT - see LICENSE.md.