IsNullOperator
extends UnaryOperator
in package
Represents the IS NULL operator
Table of Contents
Properties
- $arg : mixed
- $precedence : mixed
- $type : Type|null
Methods
- __construct() : mixed
- Construct an unary operator
- accept() : mixed
- Visit the current Node
- and() : AndOperator
- Construct a 'AND' boolean expression
- as() : AliasOperator
- Construct an alias for the current node
- asc() : AscOperator
- Construct an ascending order for the current node
- caseWhen() : WhenNode
- Construct a CASE WHEN expression (without value)
- cast() : Cast
- Cast the current node to a given type
- coalesce() : mixed
- desc() : DescOperator
- Construct a descending order for the current node
- eq() : EqualityOperator|IsNullOperator
- Construct a '=' boolean expression
- false() : EqualityOperator|IsNullOperator
- Construct a Node corresponding to a non tautology
- firstValue() : mixed
- Construct a FIRST_VALUE function from the current node
- getArg() : Literal|Node
- Getter of the operand
- getPrecedence() : int
- getType() : Type|null
- Get the type of the Node
- grouping() : Grouping
- Construct a Grouping node
- in() : InOperator|NotInOperator
- Construct a 'IN' boolean expression
- json() : mixed
- lastValue() : mixed
- Construct a LAST_VALUE function from the current node
- neq() : NotEqualityOperator|IsNotNullOperator
- Construct a '!=' boolean expression
- nodeArray() : array<string|int, mixed>
- transform any object into a array of Node
- not() : NotOperator
- Construct a 'NOT' boolean expression
- notIn() : NotInOperator|InOperator
- Construct a 'NOT IN' boolean expression
- of() : Literal|Node
- Transform any object into a Node (does nothing on a Node)
- or() : OrOperator
- Construct a 'OR' boolean expression
- repeat() : Repeat
- Repeat the current node $times times
- setType() : void
- Set the type of the Node
- standardizeArray() : array<string|int, mixed>
- Transform any object into a array
- table() : Table
- Construct a Table node
- toSql() : mixed
- transform the node into a SQL query string
- true() : EqualityOperator|IsNullOperator
- Construct a Node corresponding to a tautology
- tuple() : ExpressionList
- Construct a Tuple node
- typed() : Node
- Set the type of the Node and return the Node
- when() : WhenNode
- Construct a CASE expression from the current node and define the first WHEN clause with a given condition
Properties
$arg
private
mixed
$arg
$precedence
private
static mixed
$precedence
= [[\PhpParser\Node\Expr\Cast::class, \FND\QueryBuilder\Nodes\FunctionCall::class, \FND\QueryBuilder\Nodes\Literal::class], [\FND\QueryBuilder\Nodes\ExpressionList::class], [\FND\QueryBuilder\Nodes\Column::class], [\FND\QueryBuilder\Nodes\BinaryOperators\MulOperator::class, \FND\QueryBuilder\Nodes\BinaryOperators\DivOperator::class], [\FND\QueryBuilder\Nodes\BinaryOperators\AddOperator::class, \FND\QueryBuilder\Nodes\BinaryOperators\SubOperator::class], [\FND\QueryBuilder\Nodes\UnaryOperators\IsNullOperator::class, \FND\QueryBuilder\Nodes\UnaryOperators\IsNotNullOperator::class], [\FND\QueryBuilder\Nodes\BinaryOperators\InOperator::class, \FND\QueryBuilder\Nodes\BinaryOperators\NotInOperator::class], [\FND\QueryBuilder\Nodes\BinaryOperators\MatchOperator::class], [\FND\QueryBuilder\Nodes\BinaryOperators\LesserOrEqualOperator::class, \FND\QueryBuilder\Nodes\BinaryOperators\LesserThanOperator::class, \FND\QueryBuilder\Nodes\BinaryOperators\GreaterOrEqualOperator::class, \FND\QueryBuilder\Nodes\BinaryOperators\GreaterThanOperator::class], [\FND\QueryBuilder\Nodes\BinaryOperators\EqualityOperator::class, \FND\QueryBuilder\Nodes\BinaryOperators\NotEqualityOperator::class], [\FND\QueryBuilder\Nodes\NotOperator::class], [\FND\QueryBuilder\Nodes\BinaryOperators\AndOperator::class], [\FND\QueryBuilder\Nodes\BinaryOperators\OrOperator::class], [\FND\QueryBuilder\Nodes\BinaryOperators\AliasOperator::class]]
$type
private
Type|null
$type
= null
Methods
__construct()
Construct an unary operator
public
__construct(mixed $arg) : mixed
Parameters
- $arg : mixed
-
the operand
accept()
Visit the current Node
public
accept(mixed $visitor) : mixed
Parameters
- $visitor : mixed
-
a visitor
Return values
mixed —the result string of the visit
and()
Construct a 'AND' boolean expression
public
and(mixed $other) : AndOperator
Parameters
- $other : mixed
-
mixed the right operand
Return values
AndOperator —the AND node
as()
Construct an alias for the current node
public
as(mixed $alias) : AliasOperator
Parameters
- $alias : mixed
-
the alias
Return values
AliasOperator —the alias node
asc()
Construct an ascending order for the current node
public
asc() : AscOperator
Return values
AscOperator —the ascending order node
caseWhen()
Construct a CASE WHEN expression (without value)
public
static caseWhen(mixed $condition) : WhenNode
Parameters
- $condition : mixed
-
the first WHEN clause condition
Return values
WhenNode —the CASE WHEN expression
cast()
Cast the current node to a given type
public
cast(Type $type) : Cast
Parameters
- $type : Type
-
the type to cast to
Return values
Cast —the cast node
coalesce()
public
coalesce(mixed $args) : mixed
Parameters
- $args : mixed
desc()
Construct a descending order for the current node
public
desc() : DescOperator
Return values
DescOperator —the descending order node
eq()
Construct a '=' boolean expression
public
eq(mixed $other) : EqualityOperator|IsNullOperator
Parameters
- $other : mixed
-
the other operand
Return values
EqualityOperator|IsNullOperator —the equality node
false()
Construct a Node corresponding to a non tautology
public
static false() : EqualityOperator|IsNullOperator
Return values
EqualityOperator|IsNullOperatorfirstValue()
Construct a FIRST_VALUE function from the current node
public
firstValue([mixed $groups = [] ][, mixed $orders = [] ][, mixed $rows = [] ][, mixed $nullsDirective = 0 ]) : mixed
Parameters
- $groups : mixed = []
-
values to partitioned by (for window functions)
- $orders : mixed = []
-
values to order with (for window functions)
- $rows : mixed = []
-
values to bound with (for window functions)
- $nullsDirective : mixed = 0
getArg()
Getter of the operand
public
getArg() : Literal|Node
Return values
Literal|Node —the operand
getPrecedence()
public
getPrecedence() : int
Return values
intgetType()
Get the type of the Node
public
getType() : Type|null
Return values
Type|null —the type
grouping()
Construct a Grouping node
public
static grouping(mixed $node) : Grouping
Parameters
- $node : mixed
-
a node
Return values
Grouping —the new Grouping node
in()
Construct a 'IN' boolean expression
public
in([mixed $others = NULL ]) : InOperator|NotInOperator
Parameters
- $others : mixed = NULL
-
the other operands
Return values
InOperator|NotInOperatorjson()
public
json() : mixed
lastValue()
Construct a LAST_VALUE function from the current node
public
lastValue([mixed $groups = [] ][, mixed $orders = [] ][, mixed $rows = [] ][, mixed $nullsDirective = 0 ]) : mixed
Parameters
- $groups : mixed = []
-
values to partitioned by (for window functions)
- $orders : mixed = []
-
values to order with (for window functions)
- $rows : mixed = []
-
values to bound with (for window functions)
- $nullsDirective : mixed = 0
neq()
Construct a '!=' boolean expression
public
neq(mixed $other) : NotEqualityOperator|IsNotNullOperator
Parameters
- $other : mixed
-
the other operand
Return values
NotEqualityOperator|IsNotNullOperatornodeArray()
transform any object into a array of Node
public
static nodeArray(mixed $args) : array<string|int, mixed>
Parameters
- $args : mixed
-
any object
Return values
array<string|int, mixed> —an array of Node
not()
Construct a 'NOT' boolean expression
public
not() : NotOperator
Return values
NotOperator —the NOT node
notIn()
Construct a 'NOT IN' boolean expression
public
notIn([mixed $others = NULL ]) : NotInOperator|InOperator
Parameters
- $others : mixed = NULL
-
the other operands
Return values
NotInOperator|InOperatorof()
Transform any object into a Node (does nothing on a Node)
public
static of(mixed $value) : Literal|Node
Parameters
- $value : mixed
-
any value
Return values
Literal|Node —a Node
or()
Construct a 'OR' boolean expression
public
or(mixed $other) : OrOperator
Parameters
- $other : mixed
-
mixed the right operand
Return values
OrOperator —the OR node
repeat()
Repeat the current node $times times
public
repeat(mixed $times) : Repeat
Parameters
- $times : mixed
-
the number of times to repeat the current node
Return values
Repeat —the repeated node
setType()
Set the type of the Node
public
setType(Type $type) : void
Parameters
- $type : Type
-
the type
standardizeArray()
Transform any object into a array
public
static standardizeArray(mixed $args) : array<string|int, mixed>
Parameters
- $args : mixed
-
the object
Return values
array<string|int, mixed> —the array
table()
Construct a Table node
public
static table(mixed $name) : Table
Parameters
- $name : mixed
-
the table name
Return values
Table —the table
toSql()
transform the node into a SQL query string
public
toSql([mixed $connection = NULL ]) : mixed
Parameters
- $connection : mixed = NULL
-
the DB connection concerned (to select the right visitor)
Return values
mixed —the SQL string
true()
Construct a Node corresponding to a tautology
public
static true() : EqualityOperator|IsNullOperator
Return values
EqualityOperator|IsNullOperatortuple()
Construct a Tuple node
public
static tuple(mixed $array) : ExpressionList
Parameters
- $array : mixed
-
a list
Return values
ExpressionList —the new Tuple node
typed()
Set the type of the Node and return the Node
public
typed(Type $type) : Node
Parameters
- $type : Type
-
the type
Return values
Node —the current Node
when()
Construct a CASE expression from the current node and define the first WHEN clause with a given condition
public
when(mixed $condition) : WhenNode
Parameters
- $condition : mixed
Return values
WhenNode —the case node