ErrorCode extracts the error code from a pgconn.PgError Function that returns the error code based on the error or nothing to use default error in code.

creating a NewStore.

Constants for PostgreSQL error codes ForeignKeyViolation represents a foreign key violation error UniqueViolation represents a unique constraint violation error.

Constants for PostgreSQL error codes ForeignKeyViolation represents a foreign key violation error UniqueViolation represents a unique constraint violation error.

ErrRecordNotFound is returned when a query returns no rows.

ErrUniqueViolation is returned when a unique constraint is violated.

DeleteBlogTxParams contains the input parameters of the delete blog transaction.

DeleteBlogTxResult is the result of the delete blog transaction.

provides functionality for executing all SQL queries and transactions.

store defines all the functions related to execute db queries and also contains code for transactions in DB.