vendor/illuminate/database/Query/Grammars/PostgresGrammar.php

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<?php

namespace Illuminate\Database\Query\Grammars;

use Illuminate\Support\Arr;
use Illuminate\Support\Str;
use Illuminate\Database\Query\Builder;

class PostgresGrammar extends Grammar
{
    /**
     * The components that make up a select clause.
     *
     * @var array
     */
    protected $selectComponents = [
        'aggregate',
        'columns',
        'from',
        'joins',
        'wheres',
        'groups',
        'havings',
        'orders',
        'limit',
        'offset',
        'lock',
    ];

    /**
     * All of the available clause operators.
     *
     * @var array
     */
    protected $operators = [
        '=', '<', '>', '<=', '>=', '<>', '!=',
        'like', 'not like', 'between', 'ilike', 'not ilike',
        '~', '&', '|', '#', '<<', '>>', '<<=', '>>=',
        '&&', '@>', '<@', '?', '?|', '?&', '||', '-', '-', '#-',
        'is distinct from', 'is not distinct from',
    ];

    /**
     * {@inheritdoc}
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereBasic(Builder $query, $where)
    {
        if (Str::contains(strtolower($where['operator']), 'like')) {
            return sprintf(
                '%s::text %s %s',
                $this->wrap($where['column']),
                $where['operator'],
                $this->parameter($where['value'])
            );
        }