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File / Folder	Size	Action
.	-
Grammar.php	38.685KB	edt ren
MySqlGrammar.php	11.111KB	edt ren
PostgresGrammar.php	20.863KB	edt ren
SQLiteGrammar.php	11.033KB	edt ren
SqlServerGrammar.php	13.811KB	edt ren

<?php

namespace Illuminate\Database\Query\Grammars;

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

class MySqlGrammar extends Grammar
{
    /**
     * The grammar specific operators.
     *
     * @var string[]
     */
    protected $operators = ['sounds like'];

/**
     * Add a "where null" clause to the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereNull(Builder $query, $where)
    {
        $columnValue = (string) $this->getValue($where['column']);

if ($this->isJsonSelector($columnValue)) {
            [$field, $path] = $this->wrapJsonFieldAndPath($columnValue);

return '(json_extract('.$field.$path.') is null OR json_type(json_extract('.$field.$path.')) = \'NULL\')';
        }

return parent::whereNull($query, $where);
    }

/**
     * Add a "where not null" clause to the query.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    protected function whereNotNull(Builder $query, $where)
    {
        $columnValue = (string) $this->getValue($where['column']);

if ($this->isJsonSelector($columnValue)) {
            [$field, $path] = $this->wrapJsonFieldAndPath($columnValue);

return '(json_extract('.$field.$path.') is not null AND json_type(json_extract('.$field.$path.')) != \'NULL\')';
        }

return parent::whereNotNull($query, $where);
    }

/**
     * Compile a "where fulltext" clause.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $where
     * @return string
     */
    public function whereFullText(Builder $query, $where)
    {
        $columns = $this->columnize($where['columns']);

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

$mode = ($where['options']['mode'] ?? []) === 'boolean'
            ? ' in boolean mode'
            : ' in natural language mode';

$expanded = ($where['options']['expanded'] ?? []) && ($where['options']['mode'] ?? []) !== 'boolean'
            ? ' with query expansion'
            : '';

return "match ({$columns}) against (".$value."{$mode}{$expanded})";
    }

/**
     * 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, $indexHint)
    {
        return match ($indexHint->type) {
            'hint' => "use index ({$indexHint->index})",
            'force' => "force index ({$indexHint->index})",
            default => "ignore index ({$indexHint->index})",
        };
    }

/**
     * Compile an insert ignore statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $values
     * @return string
     */
    public function compileInsertOrIgnore(Builder $query, array $values)
    {
        return Str::replaceFirst('insert', 'insert ignore', $this->compileInsert($query, $values));
    }

/**
     * Compile an insert ignore statement using a subquery into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $columns
     * @param  string  $sql
     * @return string
     */
    public function compileInsertOrIgnoreUsing(Builder $query, array $columns, string $sql)
    {
        return Str::replaceFirst('insert', 'insert ignore', $this->compileInsertUsing($query, $columns, $sql));
    }

/**
     * 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 'json_contains('.$field.', '.$value.$path.')';
    }

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

return 'ifnull(json_contains_path('.$field.', \'one\''.$path.'), 0)';
    }

/**
     * 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 'json_length('.$field.$path.') '.$operator.' '.$value;
    }

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

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

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

return $value;
    }

/**
     * Compile an insert statement into SQL.
     *
     * @param  \Illuminate\Database\Query\Builder  $query
     * @param  array  $values
     * @return string
     */
    public function compileInsert(Builder $query, array $values)
    {
        if (empty($values)) {
            $values = [[]];
        }

return parent::compileInsert($query, $values);
    }

/**
     * 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, $key) {
            if ($this->isJsonSelector($key)) {
                return $this->compileJsonUpdateColumn($key, $value);
            }

return $this->wrap($key).' = '.$this->parameter($value);
        })->implode(', ');
    }

/**
     * 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)
    {
        $useUpsertAlias = $query->connection->getConfig('use_upsert_alias');

$sql = $this->compileInsert($query, $values);

if ($useUpsertAlias) {
            $sql .= ' as laravel_upsert_alias';
        }

$sql .= ' on duplicate key update ';

$columns = collect($update)->map(function ($value, $key) use ($useUpsertAlias) {
            if (! is_numeric($key)) {
                return $this->wrap($key).' = '.$this->parameter($value);
            }

return $useUpsertAlias
                ? $this->wrap($value).' = '.$this->wrap('laravel_upsert_alias').'.'.$this->wrap($value)
                : $this->wrap($value).' = values('.$this->wrap($value).')';
        })->implode(', ');

return $sql.$columns;
    }

/**
     * Prepare a JSON column being updated using the JSON_SET function.
     *
     * @param  string  $key
     * @param  mixed  $value
     * @return string
     */
    protected function compileJsonUpdateColumn($key, $value)
    {
        if (is_bool($value)) {
            $value = $value ? 'true' : 'false';
        } elseif (is_array($value)) {
            $value = 'cast(? as json)';
        } else {
            $value = $this->parameter($value);
        }

[$field, $path] = $this->wrapJsonFieldAndPath($key);

return "{$field} = json_set({$field}{$path}, {$value})";
    }

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

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

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

return $sql;
    }

/**
     * Prepare the bindings for an update statement.
     *
     * Booleans, integers, and doubles are inserted into JSON updates as raw values.
     *
     * @param  array  $bindings
     * @param  array  $values
     * @return array
     */
    public function prepareBindingsForUpdate(array $bindings, array $values)
    {
        $values = collect($values)->reject(function ($value, $column) {
            return $this->isJsonSelector($column) && is_bool($value);
        })->map(function ($value) {
            return is_array($value) ? json_encode($value) : $value;
        })->all();

return parent::prepareBindingsForUpdate($bindings, $values);
    }

/**
     * Compile a delete query that does not use joins.
     *
     * @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);

// When using MySQL, delete statements may contain order by statements and limits
        // so we will compile both of those here. Once we have finished compiling this
        // we will return the completed SQL statement so it will be executed for us.
        if (! empty($query->orders)) {
            $sql .= ' '.$this->compileOrders($query, $query->orders);
        }

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

return $sql;
    }

/**
     * 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_unquote(json_extract('.$field.$path.'))';
    }

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

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

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