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File / Folder	Size	Action
.	-
Grammar.php	38.09KB	edt ren
MySqlGrammar.php	10.674KB	edt ren
PostgresGrammar.php	20.445KB	edt ren
SQLiteGrammar.php	9.955KB	edt ren
SqlServerGrammar.php	13.811KB	edt ren
error_log	4.162KB	edt ren

<?php

namespace Illuminate\Database\Query\Grammars;

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

class SqlServerGrammar extends Grammar
{
    /**
     * All of the available clause operators.
     *
     * @var string[]
     */
    protected $operators = [
        '=', '<', '>', '<=', '>=', '!<', '!>', '<>', '!=',
        'like', 'not like', 'ilike',
        '&', '&=', '|', '|=', '^', '^=',
    ];

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

/**
     * Compile a select query into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @return string
     */
    public function compileSelect(Builder $query)
    {
        // An order by clause is required for SQL Server offset to function...
        if ($query->offset && empty($query->orders)) {
            $query->orders[] = ['sql' => '(SELECT 0)'];
        }

return parent::compileSelect($query);
    }

/**
     * Compile the "select *" portion of the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $columns
     * @return string|null
     */
    protected function compileColumns(Builder $query, $columns)
    {
        if (! is_null($query->aggregate)) {
            return;
        }

$select = $query->distinct ? 'select distinct ' : 'select ';

// If there is a limit on the query, but not an offset, we will add the top
        // clause to the query, which serves as a "limit" type clause within the
        // SQL Server system similar to the limit keywords available in MySQL.
        if (is_numeric($query->limit) && $query->limit > 0 && $query->offset <= 0) {
            $select .= 'top '.((int) $query->limit).' ';
        }

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)
    {
        $from = parent::compileFrom($query, $table);

if (is_string($query->lock)) {
            return $from.' '.$query->lock;
        }

if (! is_null($query->lock)) {
            return $from.' with(rowlock,'.($query->lock ? 'updlock,' : '').'holdlock)';
        }

return $from;
    }

/**
     * Compile the index hints for the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  \Illuminate\Database\Query\IndexHint  $indexHint
     * @return string
     */
    protected function compileIndexHint(Builder $query, $indexHint)
    {
        return $indexHint->type === 'force'
                    ? "with (index({$indexHint->index}))"
                    : '';
    }

/**
     * {@inheritdoc}
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereBitwise(Builder $query, $where)
    {
        $value = $this->parameter($where['value']);

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

return '('.$this->wrap($where['column']).' '.$operator.' '.$value.') != 0';
    }

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

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

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

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

/**
     * Compile a "JSON contains" statement into SQL.
     *
     * @param  string  $column
     * @param  string  $value
     * @return string
     */
    protected function compileJsonContains($column, $value)
    {
        [$field, $path] = $this->wrapJsonFieldAndPath($column);

return $value.' in (select [value] from openjson('.$field.$path.'))';
    }

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

/**
     * Compile a "JSON contains key" statement into SQL.
     *
     * @param  string  $column
     * @return string
     */
    protected function compileJsonContainsKey($column)
    {
        $segments = explode('->', $column);

$lastSegment = array_pop($segments);

if (preg_match('/\[([0-9]+)\]$/', $lastSegment, $matches)) {
            $segments[] = Str::beforeLast($lastSegment, $matches[0]);

$key = $matches[1];
        } else {
            $key = "'".str_replace("'", "''", $lastSegment)."'";
        }

[$field, $path] = $this->wrapJsonFieldAndPath(implode('->', $segments));

return $key.' in (select [key] from openjson('.$field.$path.'))';
    }

/**
     * Compile a "JSON length" statement into SQL.
     *
     * @param  string  $column
     * @param  string  $operator
     * @param  string  $value
     * @return string
     */
    protected function compileJsonLength($column, $operator, $value)
    {
        [$field, $path] = $this->wrapJsonFieldAndPath($column);

return '(select count(*) from openjson('.$field.$path.')) '.$operator.' '.$value;
    }

/**
     * Compile a "JSON value cast" statement into SQL.
     *
     * @param  string  $value
     * @return string
     */
    public function compileJsonValueCast($value)
    {
        return 'json_query('.$value.')';
    }

/**
     * Compile a single having clause.
     *
     * @param  array  $having
     * @return string
     */
    protected function compileHaving(array $having)
    {
        if ($having['type'] === 'Bitwise') {
            return $this->compileHavingBitwise($having);
        }

return parent::compileHaving($having);
    }

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

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

return '('.$column.' '.$having['operator'].' '.$parameter.') != 0';
    }

/**
     * 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)
    {
        $sql = parent::compileDeleteWithoutJoins($query, $table, $where);

return ! is_null($query->limit) && $query->limit > 0 && $query->offset <= 0
                        ? Str::replaceFirst('delete', 'delete top ('.$query->limit.')', $sql)
                        : $sql;
    }

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

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

if ($limit && $query->offset > 0) {
            return "fetch next {$limit} rows only";
        }

return '';
    }

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

if ($offset) {
            return "offset {$offset} rows";
        }

return '';
    }

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

/**
     * Wrap a union subquery in parentheses.
     *
     * @param  string  $sql
     * @return string
     */
    protected function wrapUnion($sql)
    {
        return 'select * from ('.$sql.') as '.$this->wrapTable('temp_table');
    }

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

$existsQuery->columns = [];

return $this->compileSelect($existsQuery->selectRaw('1 [exists]')->limit(1));
    }

/**
     * 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)
    {
        $alias = last(explode(' as ', $table));

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

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

/**
     * Compile an "upsert" statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $values
     * @param  array  $uniqueBy
     * @param  array  $update
     * @return string
     */
    public function compileUpsert(Builder $query, array $values, array $uniqueBy, array $update)
    {
        $columns = $this->columnize(array_keys(reset($values)));

$sql = 'merge '.$this->wrapTable($query->from).' ';

$parameters = collect($values)->map(function ($record) {
            return '('.$this->parameterize($record).')';
        })->implode(', ');

$sql .= 'using (values '.$parameters.') '.$this->wrapTable('laravel_source').' ('.$columns.') ';

$on = collect($uniqueBy)->map(function ($column) use ($query) {
            return $this->wrap('laravel_source.'.$column).' = '.$this->wrap($query->from.'.'.$column);
        })->implode(' and ');

$sql .= 'on '.$on.' ';

if ($update) {
            $update = collect($update)->map(function ($value, $key) {
                return is_numeric($key)
                    ? $this->wrap($value).' = '.$this->wrap('laravel_source.'.$value)
                    : $this->wrap($key).' = '.$this->parameter($value);
            })->implode(', ');

$sql .= 'when matched then update set '.$update.' ';
        }

$sql .= 'when not matched then insert ('.$columns.') values ('.$columns.');';

return $sql;
    }

/**
     * 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');

return array_values(
            array_merge($values, Arr::flatten($cleanBindings))
        );
    }

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

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

/**
     * Get the format for database stored dates.
     *
     * @return string
     */
    public function getDateFormat()
    {
        return 'Y-m-d H:i:s.v';
    }

/**
     * Wrap a single string in keyword identifiers.
     *
     * @param  string  $value
     * @return string
     */
    protected function wrapValue($value)
    {
        return $value === '*' ? $value : '['.str_replace(']', ']]', $value).']';
    }

/**
     * Wrap the given JSON selector.
     *
     * @param  string  $value
     * @return string
     */
    protected function wrapJsonSelector($value)
    {
        [$field, $path] = $this->wrapJsonFieldAndPath($value);

return 'json_value('.$field.$path.')';
    }

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

/**
     * Wrap a table in keyword identifiers.
     *
     * @param  \Illuminate\Contracts\Database\Query\Expression|string  $table
     * @return string
     */
    public function wrapTable($table)
    {
        if (! $this->isExpression($table)) {
            return $this->wrapTableValuedFunction(parent::wrapTable($table));
        }

return $this->getValue($table);
    }

/**
     * Wrap a table in keyword identifiers.
     *
     * @param  string  $table
     * @return string
     */
    protected function wrapTableValuedFunction($table)
    {
        if (preg_match('/^(.+?)($.*?$)]$/', $table, $matches) === 1) {
            $table = $matches[1].']'.$matches[2];
        }

return $table;
    }
}

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