Function columnConstraintSQL

pkg/formatter/render.go:1466–1485

columnConstraintSQL renders a column constraint.

(c *ast.ColumnConstraint)

// columnConstraintSQL renders a column constraint.
func columnConstraintSQL(c *ast.ColumnConstraint) string {
	switch c.Type {
	case "NOT NULL", "UNIQUE", "PRIMARY KEY":
		return c.Type
	case "DEFAULT":
		return "DEFAULT " + exprSQL(c.Default)
	case "REFERENCES":
		if c.References != nil {
			return referenceSQL(c.References)
		}
		return "REFERENCES"
	case "CHECK":
		return "CHECK (" + exprSQL(c.Check) + ")"
	default:
		if c.AutoIncrement {
			return "AUTO_INCREMENT"
		}
		return c.Type
	}
}

// tableConstraintSQL renders a table-level constraint.
func tableConstraintSQL(tc *ast.TableConstraint) string {