postgres

package
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Published: Apr 11, 2024 License: BSD-3-Clause Imports: 4 Imported by: 1

Documentation

Overview

Package postgres provides a simple wrapper around a decimal.Big type, allowing it to be used in PostgreSQL queries. It ensures the decimal fits inside the limits of the DECIMAL type.

Index

Constants

View Source
const (
	MaxIntegralDigits   = 131072 // max digits before the decimal point
	MaxFractionalDigits = 16383  // max digits after the decimal point
)

Variables

This section is empty.

Functions

This section is empty.

Types

type Decimal

type Decimal struct {
	V     *decimal.Big
	Round bool // round if the decimal exceeds the bounds for DECIMAL
	Zero  bool // return "0" if V == nil
}

Decimal is a PostgreSQL DECIMAL. Its zero value is valid for use with both Value and Scan.

func (*Decimal) Scan

func (d *Decimal) Scan(val interface{}) error

Scan implements sql.Scanner.

func (*Decimal) Value

func (d *Decimal) Value() (driver.Value, error)

Value implements driver.Valuer.

type LengthError

type LengthError struct {
	Part string // "integral" or "fractional"
	N    int    // length of invalid part
	// contains filtered or unexported fields
}

LengthError is returned from Decimal.Value when either its integral (digits before the decimal point) or fractional (digits after the decimal point) parts are too long for PostgresSQL.

func (LengthError) Error

func (e LengthError) Error() string

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