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Ziki Shay
2024-11-05 12:10:06 +08:00
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vendor/illuminate/database/Query/Grammars/MySqlGrammar.php
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<?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, $where)
{
if ($this->isJsonSelector($where['column'])) {
[$field, $path] = $this->wrapJsonFieldAndPath($where['column']);
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, $where)
{
if ($this->isJsonSelector($where['column'])) {
[$field, $path] = $this->wrapJsonFieldAndPath($where['column']);
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 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.')';
}
}