Exists
class Exists (View source)
Traits
Properties
| protected string | $table | The table to run the query against.  | 
                from DatabaseRule | 
| protected string | $column | The column to check on.  | 
                from DatabaseRule | 
| protected array | $wheres | The extra where clauses for the query.  | 
                from DatabaseRule | 
| protected array | $using | The array of custom query callbacks.  | 
                from DatabaseRule | 
Methods
Create a new rule instance.
Resolves the name of the table from the given string.
Set a "where" constraint on the query.
Set a "where not" constraint on the query.
Set a "where not null" constraint on the query.
Set a "where in" constraint on the query.
Set a "where not in" constraint on the query.
Convert the rule to a validation string.
Details
        
                            void
    __construct(string $table, string $column = 'NULL')
        
    
    Create a new rule instance.
        
                            string
    resolveTableName(string $table)
        
    
    Resolves the name of the table from the given string.
        
                            $this
    where(Closure|string $column, array|string|null $value = null)
        
    
    Set a "where" constraint on the query.
        
                            $this
    whereNot(string $column, array|string $value)
        
    
    Set a "where not" constraint on the query.
        
                            $this
    whereNull(string $column)
        
    
    Set a "where null" constraint on the query.
        
                            $this
    whereNotNull(string $column)
        
    
    Set a "where not null" constraint on the query.
        
                            $this
    whereIn(string $column, array $values)
        
    
    Set a "where in" constraint on the query.
        
                            $this
    whereNotIn(string $column, array $values)
        
    
    Set a "where not in" constraint on the query.
        
                            $this
    using(Closure $callback)
        
    
    Register a custom query callback.
        
                            array
    queryCallbacks()
        
    
    Get the custom query callbacks for the rule.
        
                    protected        string
    formatWheres()
        
    
    Format the where clauses.
        
                            string
    __toString()
        
    
    Convert the rule to a validation string.