mediatekformation

TreeWalker
in

Interface for walkers of DQL ASTs (abstract syntax trees).

Table of Contents

__construct()  : mixed
Initializes TreeWalker with important information about the ASTs to be walked.
getExecutor()  : AbstractSqlExecutor
Gets an executor that can be used to execute the result of this walker.
getQueryComponents()  : array<string, array<string, mixed>>
Returns internal queryComponents array.
setQueryComponent()  : void
Sets or overrides a query component for a given dql alias.
walkAggregateExpression()  : string
Walks down an AggregateExpression AST node, thereby generating the appropriate SQL.
walkArithmeticExpression()  : string
Walks down an ArithmeticExpression AST node, thereby generating the appropriate SQL.
walkArithmeticFactor()  : string
Walks down an ArithmeticFactor that represents an AST node, thereby generating the appropriate SQL.
walkArithmeticTerm()  : string
Walks down an ArithmeticTerm AST node, thereby generating the appropriate SQL.
walkBetweenExpression()  : string
Walks down a BetweenExpression AST node, thereby generating the appropriate SQL.
walkCollectionMemberExpression()  : string
Walks down a CollectionMemberExpression AST node, thereby generating the appropriate SQL.
walkComparisonExpression()  : string
Walks down a ComparisonExpression AST node, thereby generating the appropriate SQL.
walkConditionalExpression()  : string
Walk down a ConditionalExpression AST node, thereby generating the appropriate SQL.
walkConditionalFactor()  : string
Walks down a ConditionalFactor AST node, thereby generating the appropriate SQL.
walkConditionalPrimary()  : string
Walks down a ConditionalPrimary AST node, thereby generating the appropriate SQL.
walkConditionalTerm()  : string
Walks down a ConditionalTerm AST node, thereby generating the appropriate SQL.
walkDeleteClause()  : string
Walks down a DeleteClause AST node, thereby generating the appropriate SQL.
walkDeleteStatement()  : string
Walks down a DeleteStatement AST node, thereby generating the appropriate SQL.
walkEmptyCollectionComparisonExpression()  : string
Walks down an EmptyCollectionComparisonExpression AST node, thereby generating the appropriate SQL.
walkExistsExpression()  : string
Walks down an ExistsExpression AST node, thereby generating the appropriate SQL.
walkFromClause()  : string
Walks down a FromClause AST node, thereby generating the appropriate SQL.
walkFunction()  : string
Walks down a FunctionNode AST node, thereby generating the appropriate SQL.
walkGroupByClause()  : string
Walks down a GroupByClause AST node, thereby generating the appropriate SQL.
walkGroupByItem()  : string
Walks down a GroupByItem AST node, thereby generating the appropriate SQL.
walkHavingClause()  : string
Walks down a HavingClause AST node, thereby generating the appropriate SQL.
walkInExpression()  : string
Walks down an InExpression AST node, thereby generating the appropriate SQL.
walkInputParameter()  : string
Walks down an InputParameter AST node, thereby generating the appropriate SQL.
walkInstanceOfExpression()  : string
Walks down an InstanceOfExpression AST node, thereby generating the appropriate SQL.
walkJoin()  : string
Walks down a Join AST node and creates the corresponding SQL.
walkLikeExpression()  : string
Walks down a LikeExpression AST node, thereby generating the appropriate SQL.
walkLiteral()  : string
Walks down a literal that represents an AST node, thereby generating the appropriate SQL.
walkNullComparisonExpression()  : string
Walks down a NullComparisonExpression AST node, thereby generating the appropriate SQL.
walkOrderByClause()  : string
Walks down an OrderByClause AST node, thereby generating the appropriate SQL.
walkOrderByItem()  : string
Walks down an OrderByItem AST node, thereby generating the appropriate SQL.
walkPathExpression()  : string
Walks down a PathExpression AST node, thereby generating the appropriate SQL.
walkQuantifiedExpression()  : string
Walks down a QuantifiedExpression AST node, thereby generating the appropriate SQL.
walkResultVariable()  : string
Walks down a ResultVariable that represents an AST node, thereby generating the appropriate SQL.
walkSelectClause()  : string
Walks down a SelectClause AST node, thereby generating the appropriate SQL.
walkSelectExpression()  : string
Walks down a SelectExpression AST node and generates the corresponding SQL.
walkSelectStatement()  : string
Walks down a SelectStatement AST node, thereby generating the appropriate SQL.
walkSimpleArithmeticExpression()  : string
Walks down an SimpleArithmeticExpression AST node, thereby generating the appropriate SQL.
walkSimpleSelectClause()  : string
Walks down a SimpleSelectClause AST node, thereby generating the appropriate SQL.
walkSimpleSelectExpression()  : string
Walks down a SimpleSelectExpression AST node, thereby generating the appropriate SQL.
walkStateFieldPathExpression()  : string
Walks down a StateFieldPathExpression AST node, thereby generating the appropriate SQL.
walkStringPrimary()  : string
Walks down a StringPrimary that represents an AST node, thereby generating the appropriate SQL.
walkSubselect()  : string
Walks down a Subselect AST node, thereby generating the appropriate SQL.
walkSubselectFromClause()  : string
Walks down a SubselectFromClause AST node, thereby generating the appropriate SQL.
walkUpdateClause()  : string
Walks down an UpdateClause AST node, thereby generating the appropriate SQL.
walkUpdateItem()  : string
Walks down an UpdateItem AST node, thereby generating the appropriate SQL.
walkUpdateStatement()  : string
Walks down an UpdateStatement AST node, thereby generating the appropriate SQL.
walkWhereClause()  : string
Walks down a WhereClause AST node, thereby generating the appropriate SQL.

Methods

__construct()

Initializes TreeWalker with important information about the ASTs to be walked.

public __construct(AbstractQuery $query, ParserResult $parserResult, array<string|int, mixed> $queryComponents) : mixed
Parameters
$query : AbstractQuery

The parsed Query.

$parserResult : ParserResult

The result of the parsing process.

$queryComponents : array<string|int, mixed>

The query components (symbol table).

Return values
mixed —

getQueryComponents()

Returns internal queryComponents array.

public getQueryComponents() : array<string, array<string, mixed>>
Tags
psalm-return

array<string, array{ metadata: ClassMetadata, parent: string, relation: mixed[], map: mixed, nestingLevel: int, token: array }>

Return values
array<string, array<string, mixed>> —

setQueryComponent()

Sets or overrides a query component for a given dql alias.

public setQueryComponent(string $dqlAlias, array<string, mixed> $queryComponent) : void
Parameters
$dqlAlias : string

The DQL alias.

$queryComponent : array<string, mixed>
Return values
void —

walkAggregateExpression()

Walks down an AggregateExpression AST node, thereby generating the appropriate SQL.

public walkAggregateExpression(AggregateExpression $aggExpression) : string
Parameters
$aggExpression : AggregateExpression
Return values
string —

The SQL.

walkArithmeticExpression()

Walks down an ArithmeticExpression AST node, thereby generating the appropriate SQL.

public walkArithmeticExpression(ArithmeticExpression $arithmeticExpr) : string
Parameters
$arithmeticExpr : ArithmeticExpression
Return values
string —

The SQL.

walkArithmeticFactor()

Walks down an ArithmeticFactor that represents an AST node, thereby generating the appropriate SQL.

public walkArithmeticFactor(mixed $factor) : string
Parameters
$factor : mixed
Return values
string —

The SQL.

walkArithmeticTerm()

Walks down an ArithmeticTerm AST node, thereby generating the appropriate SQL.

public walkArithmeticTerm(mixed $term) : string
Parameters
$term : mixed
Return values
string —

The SQL.

walkBetweenExpression()

Walks down a BetweenExpression AST node, thereby generating the appropriate SQL.

public walkBetweenExpression(BetweenExpression $betweenExpr) : string
Parameters
$betweenExpr : BetweenExpression
Return values
string —

The SQL.

walkComparisonExpression()

Walks down a ComparisonExpression AST node, thereby generating the appropriate SQL.

public walkComparisonExpression(ComparisonExpression $compExpr) : string
Parameters
$compExpr : ComparisonExpression
Return values
string —

The SQL.

walkConditionalExpression()

Walk down a ConditionalExpression AST node, thereby generating the appropriate SQL.

public walkConditionalExpression(ConditionalExpression $condExpr) : string
Parameters
$condExpr : ConditionalExpression
Return values
string —

The SQL.

walkConditionalFactor()

Walks down a ConditionalFactor AST node, thereby generating the appropriate SQL.

public walkConditionalFactor(ConditionalFactor $factor) : string
Parameters
$factor : ConditionalFactor
Return values
string —

The SQL.

walkConditionalPrimary()

Walks down a ConditionalPrimary AST node, thereby generating the appropriate SQL.

public walkConditionalPrimary(ConditionalPrimary $primary) : string
Parameters
$primary : ConditionalPrimary
Return values
string —

The SQL.

walkConditionalTerm()

Walks down a ConditionalTerm AST node, thereby generating the appropriate SQL.

public walkConditionalTerm(ConditionalTerm $condTerm) : string
Parameters
$condTerm : ConditionalTerm
Return values
string —

The SQL.

walkDeleteClause()

Walks down a DeleteClause AST node, thereby generating the appropriate SQL.

public walkDeleteClause(DeleteClause $deleteClause) : string
Parameters
$deleteClause : DeleteClause
Return values
string —

The SQL.

walkDeleteStatement()

Walks down a DeleteStatement AST node, thereby generating the appropriate SQL.

public walkDeleteStatement(DeleteStatement $AST) : string
Parameters
$AST : DeleteStatement
Return values
string —

The SQL.

walkExistsExpression()

Walks down an ExistsExpression AST node, thereby generating the appropriate SQL.

public walkExistsExpression(ExistsExpression $existsExpr) : string
Parameters
$existsExpr : ExistsExpression
Return values
string —

The SQL.

walkFromClause()

Walks down a FromClause AST node, thereby generating the appropriate SQL.

public walkFromClause(FromClause $fromClause) : string
Parameters
$fromClause : FromClause
Return values
string —

The SQL.

walkFunction()

Walks down a FunctionNode AST node, thereby generating the appropriate SQL.

public walkFunction(FunctionNode $function) : string
Parameters
$function : FunctionNode
Return values
string —

The SQL.

walkGroupByClause()

Walks down a GroupByClause AST node, thereby generating the appropriate SQL.

public walkGroupByClause(GroupByClause $groupByClause) : string
Parameters
$groupByClause : GroupByClause
Return values
string —

The SQL.

walkGroupByItem()

Walks down a GroupByItem AST node, thereby generating the appropriate SQL.

public walkGroupByItem(PathExpression|string $groupByItem) : string
Parameters
$groupByItem : PathExpression|string
Return values
string —

The SQL.

walkHavingClause()

Walks down a HavingClause AST node, thereby generating the appropriate SQL.

public walkHavingClause(HavingClause $havingClause) : string
Parameters
$havingClause : HavingClause
Return values
string —

The SQL.

walkInExpression()

Walks down an InExpression AST node, thereby generating the appropriate SQL.

public walkInExpression(InExpression $inExpr) : string
Parameters
$inExpr : InExpression
Return values
string —

The SQL.

walkInputParameter()

Walks down an InputParameter AST node, thereby generating the appropriate SQL.

public walkInputParameter(InputParameter $inputParam) : string
Parameters
$inputParam : InputParameter
Return values
string —

The SQL.

walkInstanceOfExpression()

Walks down an InstanceOfExpression AST node, thereby generating the appropriate SQL.

public walkInstanceOfExpression(InstanceOfExpression $instanceOfExpr) : string
Parameters
$instanceOfExpr : InstanceOfExpression
Return values
string —

The SQL.

walkJoin()

Walks down a Join AST node and creates the corresponding SQL.

public walkJoin(Join $join) : string
Parameters
$join : Join
Return values
string —

The SQL.

walkLikeExpression()

Walks down a LikeExpression AST node, thereby generating the appropriate SQL.

public walkLikeExpression(LikeExpression $likeExpr) : string
Parameters
$likeExpr : LikeExpression
Return values
string —

The SQL.

walkLiteral()

Walks down a literal that represents an AST node, thereby generating the appropriate SQL.

public walkLiteral(mixed $literal) : string
Parameters
$literal : mixed
Return values
string —

The SQL.

walkNullComparisonExpression()

Walks down a NullComparisonExpression AST node, thereby generating the appropriate SQL.

public walkNullComparisonExpression(NullComparisonExpression $nullCompExpr) : string
Parameters
$nullCompExpr : NullComparisonExpression
Return values
string —

The SQL.

walkOrderByClause()

Walks down an OrderByClause AST node, thereby generating the appropriate SQL.

public walkOrderByClause(OrderByClause $orderByClause) : string
Parameters
$orderByClause : OrderByClause
Return values
string —

The SQL.

walkOrderByItem()

Walks down an OrderByItem AST node, thereby generating the appropriate SQL.

public walkOrderByItem(OrderByItem $orderByItem) : string
Parameters
$orderByItem : OrderByItem
Return values
string —

The SQL.

walkPathExpression()

Walks down a PathExpression AST node, thereby generating the appropriate SQL.

public walkPathExpression(mixed $pathExpr) : string
Parameters
$pathExpr : mixed
Return values
string —

The SQL.

walkQuantifiedExpression()

Walks down a QuantifiedExpression AST node, thereby generating the appropriate SQL.

public walkQuantifiedExpression(QuantifiedExpression $qExpr) : string
Parameters
$qExpr : QuantifiedExpression
Return values
string —

The SQL.

walkResultVariable()

Walks down a ResultVariable that represents an AST node, thereby generating the appropriate SQL.

public walkResultVariable(string $resultVariable) : string
Parameters
$resultVariable : string
Return values
string —

The SQL.

walkSelectClause()

Walks down a SelectClause AST node, thereby generating the appropriate SQL.

public walkSelectClause(SelectClause $selectClause) : string
Parameters
$selectClause : SelectClause
Return values
string —

The SQL.

walkSelectExpression()

Walks down a SelectExpression AST node and generates the corresponding SQL.

public walkSelectExpression(SelectExpression $selectExpression) : string
Parameters
$selectExpression : SelectExpression
Return values
string —

The SQL.

walkSelectStatement()

Walks down a SelectStatement AST node, thereby generating the appropriate SQL.

public walkSelectStatement(SelectStatement $AST) : string
Parameters
$AST : SelectStatement
Return values
string —

The SQL.

walkSimpleArithmeticExpression()

Walks down an SimpleArithmeticExpression AST node, thereby generating the appropriate SQL.

public walkSimpleArithmeticExpression(SimpleArithmeticExpression $simpleArithmeticExpr) : string
Parameters
$simpleArithmeticExpr : SimpleArithmeticExpression
Return values
string —

The SQL.

walkSimpleSelectClause()

Walks down a SimpleSelectClause AST node, thereby generating the appropriate SQL.

public walkSimpleSelectClause(SimpleSelectClause $simpleSelectClause) : string
Parameters
$simpleSelectClause : SimpleSelectClause
Return values
string —

The SQL.

walkSimpleSelectExpression()

Walks down a SimpleSelectExpression AST node, thereby generating the appropriate SQL.

public walkSimpleSelectExpression(SimpleSelectExpression $simpleSelectExpression) : string
Parameters
$simpleSelectExpression : SimpleSelectExpression
Return values
string —

The SQL.

walkStateFieldPathExpression()

Walks down a StateFieldPathExpression AST node, thereby generating the appropriate SQL.

public walkStateFieldPathExpression(PathExpression $stateFieldPathExpression) : string
Parameters
$stateFieldPathExpression : PathExpression
Return values
string —

The SQL.

walkStringPrimary()

Walks down a StringPrimary that represents an AST node, thereby generating the appropriate SQL.

public walkStringPrimary(mixed $stringPrimary) : string
Parameters
$stringPrimary : mixed
Return values
string —

The SQL.

walkSubselect()

Walks down a Subselect AST node, thereby generating the appropriate SQL.

public walkSubselect(Subselect $subselect) : string
Parameters
$subselect : Subselect
Return values
string —

The SQL.

walkSubselectFromClause()

Walks down a SubselectFromClause AST node, thereby generating the appropriate SQL.

public walkSubselectFromClause(SubselectFromClause $subselectFromClause) : string
Parameters
$subselectFromClause : SubselectFromClause
Return values
string —

The SQL.

walkUpdateClause()

Walks down an UpdateClause AST node, thereby generating the appropriate SQL.

public walkUpdateClause(UpdateClause $updateClause) : string
Parameters
$updateClause : UpdateClause
Return values
string —

The SQL.

walkUpdateItem()

Walks down an UpdateItem AST node, thereby generating the appropriate SQL.

public walkUpdateItem(UpdateItem $updateItem) : string
Parameters
$updateItem : UpdateItem
Return values
string —

The SQL.

walkUpdateStatement()

Walks down an UpdateStatement AST node, thereby generating the appropriate SQL.

public walkUpdateStatement(UpdateStatement $AST) : string
Parameters
$AST : UpdateStatement
Return values
string —

The SQL.

walkWhereClause()

Walks down a WhereClause AST node, thereby generating the appropriate SQL.

public walkWhereClause(WhereClause $whereClause) : string

WhereClause or not, the appropriate discriminator sql is added.

Parameters
$whereClause : WhereClause
Return values
string —

The SQL.

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