JsonExpressionBuilder

API reference › yii › db › pgsql › JsonExpressionBuilder

class	yii\db\pgsql\JsonExpressionBuilder
Implements	yii\db\ExpressionBuilderInterface
Uses traits	yii\db\ExpressionBuilderTrait
Since	2.0.14
Source	framework/db/pgsql/JsonExpressionBuilder.php

Class JsonExpressionBuilder builds JsonExpression for PostgreSQL DBMS.

Properties

Property	Type	Description	Defined by
$queryBuilder protected	yii\db\QueryBuilder	Default: null.	yii\db\ExpressionBuilderTrait

Methods

Method	Description	Defined by
__construct()	ExpressionBuilderTrait constructor.	yii\db\ExpressionBuilderTrait
build()	Method builds the raw SQL from the $expression that will not be additionally escaped or quoted.	JsonExpressionBuilder
getTypecast() protected		JsonExpressionBuilder

Method details

build()

public function build(yii\db\JsonExpression|yii\db\ExpressionInterface $expression, array &$params = []): string

Method builds the raw SQL from the $expression that will not be additionally escaped or quoted.

Parameters

Parameter	Type	Description
$expression	yii\db\JsonExpression|yii\db\ExpressionInterface	The expression to be built
$params	array	The binding parameters.

Returns

string: The raw SQL that will not be additionally escaped or quoted.

getTypecast()

protected function getTypecast(yii\db\JsonExpression $expression): string

Parameters

Parameter	Type	Description
$expression	yii\db\JsonExpression

Returns

string: The typecast expression based on type.