FM / Grammars

/var/www/flurhymez/vendor/laravel/framework/src/Illuminate/Database/Query/Grammars/

/var/www/flurhymez/vendor/laravel/framework/src/Illuminate/Database/Query/Grammars

Name	Size	Mode	Actions
Grammar.php	35779	0755	edit dl rm
MySqlGrammar.php	8594	0755	edit dl rm
PostgresGrammar.php	15388	0755	edit dl rm
SQLiteGrammar.php	9459	0755	edit dl rm
SqlServerGrammar.php	14929	0755	edit dl rm

Edit: /var/www/flurhymez/vendor/laravel/framework/src/Illuminate/Database/Query/Grammars/Grammar.php (35779B)

<?php

namespace Illuminate\Database\Query\Grammars;

use Illuminate\Database\Grammar as BaseGrammar;
use Illuminate\Database\Query\Builder;
use Illuminate\Database\Query\JoinClause;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;
use RuntimeException;

class Grammar extends BaseGrammar
{
    /**
     * The grammar specific operators.
     *
     * @var array
     */
    protected $operators = [];

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

/**
     * Compile a select query into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @return string
     */
    public function compileSelect(Builder $query)
    {
        if (($query->unions || $query->havings) && $query->aggregate) {
            return $this->compileUnionAggregate($query);
        }

// If the query does not have any columns set, we'll set the columns to the
        // * character to just get all of the columns from the database. Then we
        // can build the query and concatenate all the pieces together as one.
        $original = $query->columns;

if (is_null($query->columns)) {
            $query->columns = ['*'];
        }

// To compile the query, we'll spin through each component of the query and
        // see if that component exists. If it does we'll just call the compiler
        // function for the component which is responsible for making the SQL.
        $sql = trim($this->concatenate(
            $this->compileComponents($query))
        );

if ($query->unions) {
            $sql = $this->wrapUnion($sql).' '.$this->compileUnions($query);
        }

$query->columns = $original;

return $sql;
    }

/**
     * Compile the components necessary for a select clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @return array
     */
    protected function compileComponents(Builder $query)
    {
        $sql = [];

foreach ($this->selectComponents as $component) {
            if (isset($query->$component)) {
                $method = 'compile'.ucfirst($component);

$sql[$component] = $this->$method($query, $query->$component);
            }
        }

return $sql;
    }

/**
     * Compile an aggregated select clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $aggregate
     * @return string
     */
    protected function compileAggregate(Builder $query, $aggregate)
    {
        $column = $this->columnize($aggregate['columns']);

// If the query has a "distinct" constraint and we're not asking for all columns
        // we need to prepend "distinct" onto the column name so that the query takes
        // it into account when it performs the aggregating operations on the data.
        if (is_array($query->distinct)) {
            $column = 'distinct '.$this->columnize($query->distinct);
        } elseif ($query->distinct && $column !== '*') {
            $column = 'distinct '.$column;
        }

return 'select '.$aggregate['function'].'('.$column.') as aggregate';
    }

/**
     * Compile the "select *" portion of the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $columns
     * @return string|null
     */
    protected function compileColumns(Builder $query, $columns)
    {
        // If the query is actually performing an aggregating select, we will let that
        // compiler handle the building of the select clauses, as it will need some
        // more syntax that is best handled by that function to keep things neat.
        if (! is_null($query->aggregate)) {
            return;
        }

if ($query->distinct) {
            $select = 'select distinct ';
        } else {
            $select = 'select ';
        }

return $select.$this->columnize($columns);
    }

/**
     * Compile the "from" portion of the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  string  $table
     * @return string
     */
    protected function compileFrom(Builder $query, $table)
    {
        return 'from '.$this->wrapTable($table);
    }

/**
     * Compile the "join" portions of the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $joins
     * @return string
     */
    protected function compileJoins(Builder $query, $joins)
    {
        return collect($joins)->map(function ($join) use ($query) {
            $table = $this->wrapTable($join->table);

$nestedJoins = is_null($join->joins) ? '' : ' '.$this->compileJoins($query, $join->joins);

$tableAndNestedJoins = is_null($join->joins) ? $table : '('.$table.$nestedJoins.')';

return trim("{$join->type} join {$tableAndNestedJoins} {$this->compileWheres($join)}");
        })->implode(' ');
    }

/**
     * Compile the "where" portions of the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @return string
     */
    public function compileWheres(Builder $query)
    {
        // Each type of where clauses has its own compiler function which is responsible
        // for actually creating the where clauses SQL. This helps keep the code nice
        // and maintainable since each clause has a very small method that it uses.
        if (is_null($query->wheres)) {
            return '';
        }

// If we actually have some where clauses, we will strip off the first boolean
        // operator, which is added by the query builders for convenience so we can
        // avoid checking for the first clauses in each of the compilers methods.
        if (count($sql = $this->compileWheresToArray($query)) > 0) {
            return $this->concatenateWhereClauses($query, $sql);
        }

return '';
    }

/**
     * Get an array of all the where clauses for the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @return array
     */
    protected function compileWheresToArray($query)
    {
        return collect($query->wheres)->map(function ($where) use ($query) {
            return $where['boolean'].' '.$this->{"where{$where['type']}"}($query, $where);
        })->all();
    }

/**
     * Format the where clause statements into one string.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $sql
     * @return string
     */
    protected function concatenateWhereClauses($query, $sql)
    {
        $conjunction = $query instanceof JoinClause ? 'on' : 'where';

return $conjunction.' '.$this->removeLeadingBoolean(implode(' ', $sql));
    }

/**
     * Compile a raw where clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereRaw(Builder $query, $where)
    {
        return $where['sql'];
    }

/**
     * Compile a basic where clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereBasic(Builder $query, $where)
    {
        $value = $this->parameter($where['value']);

$operator = str_replace('?', '??', $where['operator']);

return $this->wrap($where['column']).' '.$operator.' '.$value;
    }

/**
     * Compile a "where in" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereIn(Builder $query, $where)
    {
        if (! empty($where['values'])) {
            return $this->wrap($where['column']).' in ('.$this->parameterize($where['values']).')';
        }

return '0 = 1';
    }

/**
     * Compile a "where not in" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereNotIn(Builder $query, $where)
    {
        if (! empty($where['values'])) {
            return $this->wrap($where['column']).' not in ('.$this->parameterize($where['values']).')';
        }

return '1 = 1';
    }

/**
     * Compile a "where not in raw" clause.
     *
     * For safety, whereIntegerInRaw ensures this method is only used with integer values.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereNotInRaw(Builder $query, $where)
    {
        if (! empty($where['values'])) {
            return $this->wrap($where['column']).' not in ('.implode(', ', $where['values']).')';
        }

return '1 = 1';
    }

/**
     * Compile a "where in raw" clause.
     *
     * For safety, whereIntegerInRaw ensures this method is only used with integer values.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereInRaw(Builder $query, $where)
    {
        if (! empty($where['values'])) {
            return $this->wrap($where['column']).' in ('.implode(', ', $where['values']).')';
        }

return '0 = 1';
    }

/**
     * Compile a "where null" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereNull(Builder $query, $where)
    {
        return $this->wrap($where['column']).' is null';
    }

/**
     * Compile a "where not null" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereNotNull(Builder $query, $where)
    {
        return $this->wrap($where['column']).' is not null';
    }

/**
     * Compile a "between" where clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereBetween(Builder $query, $where)
    {
        $between = $where['not'] ? 'not between' : 'between';

$min = $this->parameter(reset($where['values']));

$max = $this->parameter(end($where['values']));

return $this->wrap($where['column']).' '.$between.' '.$min.' and '.$max;
    }

/**
     * Compile a "between" where clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereBetweenColumns(Builder $query, $where)
    {
        $between = $where['not'] ? 'not between' : 'between';

$min = $this->wrap(reset($where['values']));

$max = $this->wrap(end($where['values']));

return $this->wrap($where['column']).' '.$between.' '.$min.' and '.$max;
    }

/**
     * Compile a "where date" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereDate(Builder $query, $where)
    {
        return $this->dateBasedWhere('date', $query, $where);
    }

/**
     * Compile a "where time" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereTime(Builder $query, $where)
    {
        return $this->dateBasedWhere('time', $query, $where);
    }

/**
     * Compile a "where day" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereDay(Builder $query, $where)
    {
        return $this->dateBasedWhere('day', $query, $where);
    }

/**
     * Compile a "where month" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereMonth(Builder $query, $where)
    {
        return $this->dateBasedWhere('month', $query, $where);
    }

/**
     * Compile a "where year" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereYear(Builder $query, $where)
    {
        return $this->dateBasedWhere('year', $query, $where);
    }

/**
     * Compile a date based where clause.
     *
     * @param  string  $type
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function dateBasedWhere($type, Builder $query, $where)
    {
        $value = $this->parameter($where['value']);

return $type.'('.$this->wrap($where['column']).') '.$where['operator'].' '.$value;
    }

/**
     * Compile a where clause comparing two columns.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereColumn(Builder $query, $where)
    {
        return $this->wrap($where['first']).' '.$where['operator'].' '.$this->wrap($where['second']);
    }

/**
     * Compile a nested where clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereNested(Builder $query, $where)
    {
        // Here we will calculate what portion of the string we need to remove. If this
        // is a join clause query, we need to remove the "on" portion of the SQL and
        // if it is a normal query we need to take the leading "where" of queries.
        $offset = $query instanceof JoinClause ? 3 : 6;

return '('.substr($this->compileWheres($where['query']), $offset).')';
    }

/**
     * Compile a where condition with a sub-select.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereSub(Builder $query, $where)
    {
        $select = $this->compileSelect($where['query']);

return $this->wrap($where['column']).' '.$where['operator']." ($select)";
    }

/**
     * Compile a where exists clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereExists(Builder $query, $where)
    {
        return 'exists ('.$this->compileSelect($where['query']).')';
    }

/**
     * Compile a where exists clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereNotExists(Builder $query, $where)
    {
        return 'not exists ('.$this->compileSelect($where['query']).')';
    }

/**
     * Compile a where row values condition.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereRowValues(Builder $query, $where)
    {
        $columns = $this->columnize($where['columns']);

$values = $this->parameterize($where['values']);

return '('.$columns.') '.$where['operator'].' ('.$values.')';
    }

/**
     * Compile a "where JSON boolean" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereJsonBoolean(Builder $query, $where)
    {
        $column = $this->wrapJsonBooleanSelector($where['column']);

$value = $this->wrapJsonBooleanValue(
            $this->parameter($where['value'])
        );

return $column.' '.$where['operator'].' '.$value;
    }

/**
     * Compile a "where JSON contains" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereJsonContains(Builder $query, $where)
    {
        $not = $where['not'] ? 'not ' : '';

return $not.$this->compileJsonContains(
            $where['column'], $this->parameter($where['value'])
        );
    }

/**
     * Compile a "JSON contains" statement into SQL.
     *
     * @param  string  $column
     * @param  string  $value
     * @return string
     *
     * @throws \RuntimeException
     */
    protected function compileJsonContains($column, $value)
    {
        throw new RuntimeException('This database engine does not support JSON contains operations.');
    }

/**
     * Prepare the binding for a "JSON contains" statement.
     *
     * @param  mixed  $binding
     * @return string
     */
    public function prepareBindingForJsonContains($binding)
    {
        return json_encode($binding);
    }

/**
     * Compile a "where JSON length" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereJsonLength(Builder $query, $where)
    {
        return $this->compileJsonLength(
            $where['column'], $where['operator'], $this->parameter($where['value'])
        );
    }

/**
     * Compile a "JSON length" statement into SQL.
     *
     * @param  string  $column
     * @param  string  $operator
     * @param  string  $value
     * @return string
     *
     * @throws \RuntimeException
     */
    protected function compileJsonLength($column, $operator, $value)
    {
        throw new RuntimeException('This database engine does not support JSON length operations.');
    }

/**
     * Compile the "group by" portions of the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $groups
     * @return string
     */
    protected function compileGroups(Builder $query, $groups)
    {
        return 'group by '.$this->columnize($groups);
    }

/**
     * Compile the "having" portions of the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $havings
     * @return string
     */
    protected function compileHavings(Builder $query, $havings)
    {
        $sql = implode(' ', array_map([$this, 'compileHaving'], $havings));

return 'having '.$this->removeLeadingBoolean($sql);
    }

/**
     * Compile a single having clause.
     *
     * @param  array  $having
     * @return string
     */
    protected function compileHaving(array $having)
    {
        // If the having clause is "raw", we can just return the clause straight away
        // without doing any more processing on it. Otherwise, we will compile the
        // clause into SQL based on the components that make it up from builder.
        if ($having['type'] === 'Raw') {
            return $having['boolean'].' '.$having['sql'];
        } elseif ($having['type'] === 'between') {
            return $this->compileHavingBetween($having);
        }

return $this->compileBasicHaving($having);
    }

/**
     * Compile a basic having clause.
     *
     * @param  array  $having
     * @return string
     */
    protected function compileBasicHaving($having)
    {
        $column = $this->wrap($having['column']);

$parameter = $this->parameter($having['value']);

return $having['boolean'].' '.$column.' '.$having['operator'].' '.$parameter;
    }

/**
     * Compile a "between" having clause.
     *
     * @param  array  $having
     * @return string
     */
    protected function compileHavingBetween($having)
    {
        $between = $having['not'] ? 'not between' : 'between';

$column = $this->wrap($having['column']);

$min = $this->parameter(head($having['values']));

$max = $this->parameter(last($having['values']));

return $having['boolean'].' '.$column.' '.$between.' '.$min.' and '.$max;
    }

/**
     * Compile the "order by" portions of the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $orders
     * @return string
     */
    protected function compileOrders(Builder $query, $orders)
    {
        if (! empty($orders)) {
            return 'order by '.implode(', ', $this->compileOrdersToArray($query, $orders));
        }

return '';
    }

/**
     * Compile the query orders to an array.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $orders
     * @return array
     */
    protected function compileOrdersToArray(Builder $query, $orders)
    {
        return array_map(function ($order) {
            return $order['sql'] ?? $this->wrap($order['column']).' '.$order['direction'];
        }, $orders);
    }

/**
     * Compile the random statement into SQL.
     *
     * @param  string  $seed
     * @return string
     */
    public function compileRandom($seed)
    {
        return 'RANDOM()';
    }

/**
     * Compile the "limit" portions of the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  int  $limit
     * @return string
     */
    protected function compileLimit(Builder $query, $limit)
    {
        return 'limit '.(int) $limit;
    }

/**
     * Compile the "offset" portions of the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  int  $offset
     * @return string
     */
    protected function compileOffset(Builder $query, $offset)
    {
        return 'offset '.(int) $offset;
    }

/**
     * Compile the "union" queries attached to the main query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @return string
     */
    protected function compileUnions(Builder $query)
    {
        $sql = '';

foreach ($query->unions as $union) {
            $sql .= $this->compileUnion($union);
        }

if (! empty($query->unionOrders)) {
            $sql .= ' '.$this->compileOrders($query, $query->unionOrders);
        }

if (isset($query->unionLimit)) {
            $sql .= ' '.$this->compileLimit($query, $query->unionLimit);
        }

if (isset($query->unionOffset)) {
            $sql .= ' '.$this->compileOffset($query, $query->unionOffset);
        }

return ltrim($sql);
    }

/**
     * Compile a single union statement.
     *
     * @param  array  $union
     * @return string
     */
    protected function compileUnion(array $union)
    {
        $conjunction = $union['all'] ? ' union all ' : ' union ';

return $conjunction.$this->wrapUnion($union['query']->toSql());
    }

/**
     * Wrap a union subquery in parentheses.
     *
     * @param  string  $sql
     * @return string
     */
    protected function wrapUnion($sql)
    {
        return '('.$sql.')';
    }

/**
     * Compile a union aggregate query into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @return string
     */
    protected function compileUnionAggregate(Builder $query)
    {
        $sql = $this->compileAggregate($query, $query->aggregate);

$query->aggregate = null;

return $sql.' from ('.$this->compileSelect($query).') as '.$this->wrapTable('temp_table');
    }

/**
     * Compile an exists statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @return string
     */
    public function compileExists(Builder $query)
    {
        $select = $this->compileSelect($query);

return "select exists({$select}) as {$this->wrap('exists')}";
    }

/**
     * Compile an insert statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $values
     * @return string
     */
    public function compileInsert(Builder $query, array $values)
    {
        // Essentially we will force every insert to be treated as a batch insert which
        // simply makes creating the SQL easier for us since we can utilize the same
        // basic routine regardless of an amount of records given to us to insert.
        $table = $this->wrapTable($query->from);

if (empty($values)) {
            return "insert into {$table} default values";
        }

if (! is_array(reset($values))) {
            $values = [$values];
        }

$columns = $this->columnize(array_keys(reset($values)));

// We need to build a list of parameter place-holders of values that are bound
        // to the query. Each insert should have the exact same amount of parameter
        // bindings so we will loop through the record and parameterize them all.
        $parameters = collect($values)->map(function ($record) {
            return '('.$this->parameterize($record).')';
        })->implode(', ');

return "insert into $table ($columns) values $parameters";
    }

/**
     * Compile an insert ignore statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $values
     * @return string
     *
     * @throws \RuntimeException
     */
    public function compileInsertOrIgnore(Builder $query, array $values)
    {
        throw new RuntimeException('This database engine does not support inserting while ignoring errors.');
    }

/**
     * Compile an insert and get ID statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $values
     * @param  string  $sequence
     * @return string
     */
    public function compileInsertGetId(Builder $query, $values, $sequence)
    {
        return $this->compileInsert($query, $values);
    }

/**
     * Compile an insert statement using a subquery into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $columns
     * @param  string  $sql
     * @return string
     */
    public function compileInsertUsing(Builder $query, array $columns, string $sql)
    {
        return "insert into {$this->wrapTable($query->from)} ({$this->columnize($columns)}) $sql";
    }

/**
     * Compile an update statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $values
     * @return string
     */
    public function compileUpdate(Builder $query, array $values)
    {
        $table = $this->wrapTable($query->from);

$columns = $this->compileUpdateColumns($query, $values);

$where = $this->compileWheres($query);

return trim(
            isset($query->joins)
                ? $this->compileUpdateWithJoins($query, $table, $columns, $where)
                : $this->compileUpdateWithoutJoins($query, $table, $columns, $where)
        );
    }

/**
     * Compile the columns for an update statement.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $values
     * @return string
     */
    protected function compileUpdateColumns(Builder $query, array $values)
    {
        return collect($values)->map(function ($value, $key) {
            return $this->wrap($key).' = '.$this->parameter($value);
        })->implode(', ');
    }

/**
     * Compile an update statement without joins into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  string  $table
     * @param  string  $columns
     * @param  string  $where
     * @return string
     */
    protected function compileUpdateWithoutJoins(Builder $query, $table, $columns, $where)
    {
        return "update {$table} set {$columns} {$where}";
    }

/**
     * Compile an update statement with joins into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  string  $table
     * @param  string  $columns
     * @param  string  $where
     * @return string
     */
    protected function compileUpdateWithJoins(Builder $query, $table, $columns, $where)
    {
        $joins = $this->compileJoins($query, $query->joins);

return "update {$table} {$joins} set {$columns} {$where}";
    }

/**
     * Compile an "upsert" statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $values
     * @param  array  $uniqueBy
     * @param  array  $update
     * @return string
     *
     * @throws \RuntimeException
     */
    public function compileUpsert(Builder $query, array $values, array $uniqueBy, array $update)
    {
        throw new RuntimeException('This database engine does not support upserts.');
    }

/**
     * Prepare the bindings for an update statement.
     *
     * @param  array  $bindings
     * @param  array  $values
     * @return array
     */
    public function prepareBindingsForUpdate(array $bindings, array $values)
    {
        $cleanBindings = Arr::except($bindings, ['select', 'join']);

return array_values(
            array_merge($bindings['join'], $values, Arr::flatten($cleanBindings))
        );
    }

/**
     * Compile a delete statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @return string
     */
    public function compileDelete(Builder $query)
    {
        $table = $this->wrapTable($query->from);

$where = $this->compileWheres($query);

return trim(
            isset($query->joins)
                ? $this->compileDeleteWithJoins($query, $table, $where)
                : $this->compileDeleteWithoutJoins($query, $table, $where)
        );
    }

/**
     * Compile a delete statement without joins into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  string  $table
     * @param  string  $where
     * @return string
     */
    protected function compileDeleteWithoutJoins(Builder $query, $table, $where)
    {
        return "delete from {$table} {$where}";
    }

/**
     * Compile a delete statement with joins into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  string  $table
     * @param  string  $where
     * @return string
     */
    protected function compileDeleteWithJoins(Builder $query, $table, $where)
    {
        $alias = last(explode(' as ', $table));

$joins = $this->compileJoins($query, $query->joins);

return "delete {$alias} from {$table} {$joins} {$where}";
    }

/**
     * Prepare the bindings for a delete statement.
     *
     * @param  array  $bindings
     * @return array
     */
    public function prepareBindingsForDelete(array $bindings)
    {
        return Arr::flatten(
            Arr::except($bindings, 'select')
        );
    }

/**
     * Compile a truncate table statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @return array
     */
    public function compileTruncate(Builder $query)
    {
        return ['truncate table '.$this->wrapTable($query->from) => []];
    }

/**
     * Compile the lock into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  bool|string  $value
     * @return string
     */
    protected function compileLock(Builder $query, $value)
    {
        return is_string($value) ? $value : '';
    }

/**
     * Determine if the grammar supports savepoints.
     *
     * @return bool
     */
    public function supportsSavepoints()
    {
        return true;
    }

/**
     * Compile the SQL statement to define a savepoint.
     *
     * @param  string  $name
     * @return string
     */
    public function compileSavepoint($name)
    {
        return 'SAVEPOINT '.$name;
    }

/**
     * Compile the SQL statement to execute a savepoint rollback.
     *
     * @param  string  $name
     * @return string
     */
    public function compileSavepointRollBack($name)
    {
        return 'ROLLBACK TO SAVEPOINT '.$name;
    }

/**
     * Wrap a value in keyword identifiers.
     *
     * @param  \Illuminate\Database\Query\Expression|string  $value
     * @param  bool  $prefixAlias
     * @return string
     */
    public function wrap($value, $prefixAlias = false)
    {
        if ($this->isExpression($value)) {
            return $this->getValue($value);
        }

// If the value being wrapped has a column alias we will need to separate out
        // the pieces so we can wrap each of the segments of the expression on its
        // own, and then join these both back together using the "as" connector.
        if (stripos($value, ' as ') !== false) {
            return $this->wrapAliasedValue($value, $prefixAlias);
        }

// If the given value is a JSON selector we will wrap it differently than a
        // traditional value. We will need to split this path and wrap each part
        // wrapped, etc. Otherwise, we will simply wrap the value as a string.
        if ($this->isJsonSelector($value)) {
            return $this->wrapJsonSelector($value);
        }

return $this->wrapSegments(explode('.', $value));
    }

/**
     * Wrap the given JSON selector.
     *
     * @param  string  $value
     * @return string
     *
     * @throws \RuntimeException
     */
    protected function wrapJsonSelector($value)
    {
        throw new RuntimeException('This database engine does not support JSON operations.');
    }

/**
     * Wrap the given JSON selector for boolean values.
     *
     * @param  string  $value
     * @return string
     */
    protected function wrapJsonBooleanSelector($value)
    {
        return $this->wrapJsonSelector($value);
    }

/**
     * Wrap the given JSON boolean value.
     *
     * @param  string  $value
     * @return string
     */
    protected function wrapJsonBooleanValue($value)
    {
        return $value;
    }

/**
     * Split the given JSON selector into the field and the optional path and wrap them separately.
     *
     * @param  string  $column
     * @return array
     */
    protected function wrapJsonFieldAndPath($column)
    {
        $parts = explode('->', $column, 2);

$field = $this->wrap($parts[0]);

$path = count($parts) > 1 ? ', '.$this->wrapJsonPath($parts[1], '->') : '';

return [$field, $path];
    }

/**
     * Wrap the given JSON path.
     *
     * @param  string  $value
     * @param  string  $delimiter
     * @return string
     */
    protected function wrapJsonPath($value, $delimiter = '->')
    {
        $value = preg_replace("/([\\\\]+)?\\'/", "''", $value);

return '\'$."'.str_replace($delimiter, '"."', $value).'"\'';
    }

/**
     * Determine if the given string is a JSON selector.
     *
     * @param  string  $value
     * @return bool
     */
    protected function isJsonSelector($value)
    {
        return Str::contains($value, '->');
    }

/**
     * Concatenate an array of segments, removing empties.
     *
     * @param  array  $segments
     * @return string
     */
    protected function concatenate($segments)
    {
        return implode(' ', array_filter($segments, function ($value) {
            return (string) $value !== '';
        }));
    }

/**
     * Remove the leading boolean from a statement.
     *
     * @param  string  $value
     * @return string
     */
    protected function removeLeadingBoolean($value)
    {
        return preg_replace('/and |or /i', '', $value, 1);
    }

/**
     * Get the grammar specific operators.
     *
     * @return array
     */
    public function getOperators()
    {
        return $this->operators;
    }
}

cmd: