Instance Methodgrdb 7.4.0GRDB

    notNull(onConflict:)

    Adds a not null constraint.

    ColumnDefinition.swift:162
    @discardableResult func notNull(onConflict conflictResolution: Database.ConflictResolution? = nil) -> Self
    Mangled symbol
    s4GRDB16ColumnDefinitionC7notNull10onConflictACXDAA8DatabaseC0G10ResolutionOSg_tF What are these?
    FNV24 hash
    494WP

    Parameters

    conflictResolution

    An optional ConflictResolution.

    Returns

    self so that you can further refine the column definition.

    For example:

    // CREATE TABLE player(
//   name TEXT NOT NULL
// )
try db.create(table: "player") { t in
    t.column("name", .text).notNull()
}

    Related SQLite documentation: https://www.sqlite.org/lang_createtable.html#notnullconst