PgNumericPrecisionAttribute

Namespace: Ankus

Assembly: Ankus.Runtime.dll

Applies PostgreSQL numeric precision and scale to a generated function parameter or return value. Values are rounded with PostgreSQL’s typmod rules, then checked for overflow.

[AttributeUsage(AttributeTargets.Parameter|AttributeTargets.ReturnValue, AllowMultiple = true, Inherited = false)]
public sealed class PgNumericPrecisionAttribute : Attribute

Use on PgNumeric or decimal, including nullable forms. Constraints apply at the SQL boundary, not to direct C# calls. Negative scales and scales above precision require PostgreSQL 15 or later. PostgreSQL function signatures themselves do not retain numeric type modifiers, so the generated dispatcher enforces this contract.

Inheritance: object, Attribute

Constructors

PgNumericPrecisionAttribute(int, int)

Declares numeric precision and scale.

public PgNumericPrecisionAttribute(int precision, int scale = 0)

Parameters:

precision — int

The maximum significant digits, one through 1000.

scale — int

The scale, -1000 through 1000. The default is zero.

Properties

Element

Gets or sets the exact C# tuple element to constrain within a typed aggregate argument group. Omit for a scalar parameter or return value.

public string? Element { get; set; }

Value: string

Precision

Gets the maximum significant digits.

public int Precision { get; }

Value: int

Scale

Gets the declared scale.

public int Scale { get; }

Value: int