csv2postgres

package module

v0.4.1 Latest Latest Go to latest Published: Apr 28, 2020 License: MIT Imports: 13 Imported by: 0

Details

Golang code generator for importing CSV to PostgreSQL with fun features

Importing data from CSV to PostgreSQL
Create tables based on CSV data
Create additional views
Export from PostgreSQL to CSV
Manage dependencies between tables and views
Use dependency graph from database for rolling back migration, and from code for migrate

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type DepsGraph struct {
	// contains filtered or unexported fields
}

DepsGraph specifies dependencies graph.

func NewDepsGraph(targets []string) *DepsGraph

NewDepsGraph returns a new DepsGraph.

func (d DepsGraph) CreateOrder(target string) (path []string, err error)

CreateOrder returns list of creation order for target.

func (d DepsGraph) CreateOrderAll() (path []string)

CreateOrderAll returns list of creation order.

func (d *DepsGraph) DependsOn(a, b string) error

DependsOn creates new dependency: a depends to b

func (d DepsGraph) DropOrder(target string) (path []string, err error)

DropOrder returns list of deletion order for target.

func (d DepsGraph) DropOrderAll() (path []string)

DropOrderAll returns list of deletion order.

func (d *DepsGraph) Finalize() error

Finalize finalizes dependency graph. Querying dependency order can only be calculated if it has been finalizes.

type Generator struct {
	BaseImportPath string
	OutDir         string
	Specs          []string
	Views          string
}

Generator specifies the generator configurations.

func (g Generator) Generate() error

Generate generates source codes based on spec