framework/db/pgsql/ColumnSchema.php
public function dbTypecast($value)
    {
        if ($value === null) {
            return $value;
        }

        if ($value instanceof ExpressionInterface) {
            return $value;
        }

        if ($this->dimension > 0) {
            return $this->disableArraySupport
                ? (string) $value
                : new ArrayExpression($value, $this->dbType, $this->dimension);
        }
        if (!$this->disableJsonSupport && in_array($this->dbType, [Schema::TYPE_JSON, Schema::TYPE_JSONB], true)) {
            return new JsonExpression($value, $this->dbType);
        }

        return $this->typecast($value);
    }
public function dbTypecast($value)
    {
        if ($value === null) {
            return $value;
        }

        if ($value instanceof ExpressionInterface) {
            return $value;
        }

        if ($this->dimension > 0) {
            return $this->disableArraySupport
                ? (string) $value
                : new ArrayExpression($value, $this->dbType, $this->dimension);
        }
        if (!$this->disableJsonSupport && in_array($this->dbType, [Schema::TYPE_JSON, Schema::TYPE_JSONB], true)) {
            return new JsonExpression($value, $this->dbType);
        }

        return $this->typecast($value);
    }
{@inheritdoc}