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<?php |
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namespace HexMakina\Crudites\Grammar\Query; |
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use HexMakina\BlackBox\Database\QueryInterface; |
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use HexMakina\Crudites\Grammar\Clause\Clause; |
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abstract class Query implements QueryInterface |
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{ |
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protected array $bindings = []; |
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protected string $table; |
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protected ?string $alias = null; |
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protected array $clauses = []; |
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abstract public function statement(): string; |
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/** |
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* Provides debugging information about the object. |
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* This method returns an array of object properties and their values, |
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* excluding properties that are not set. |
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*/ |
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public function __debugInfo(): array |
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{ |
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$dbg = get_object_vars($this); |
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foreach (array_keys($dbg) as $k) { |
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if (!isset($dbg[$k])) { |
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unset($dbg[$k]); |
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} |
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} |
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$dbg['statement()'] = $this->statement(); |
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if (empty($this->bindings)) { |
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unset($dbg['bindings']); |
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} |
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else{ |
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$dbg['bindings'] = json_encode($dbg['bindings']); |
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} |
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return $dbg; |
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} |
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public function __toString() |
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{ |
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return $this->statement(); |
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} |
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public function table(): string |
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{ |
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return $this->table; |
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} |
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public function alias(): ?string |
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{ |
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return $this->alias; |
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} |
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public function base(): string |
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{ |
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return $this->alias ?? $this->table; |
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} |
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public function clause(string $name): ?Clause |
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{ |
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return $this->clauses[$name] ?? null; |
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} |
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public function add(Clause $clause): self |
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{ |
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$this->clauses[$clause->name()] = $clause; |
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return $this; |
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} |
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public function set(Clause $clause): self |
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{ |
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unset($this->clauses[$clause->name()]); |
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return $this->add($clause); |
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} |
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//------------------------------------------------------------ PREP::FIELDS |
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public function tableLabel(string $force = null) |
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{ |
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return $force ?? $this->tableAlias(); |
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} |
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public function tableAlias($setter = null): string |
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{ |
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if ($setter !== null) { |
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$this->alias = $setter; |
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} |
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return $this->alias ?? $this->table; |
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} |
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public function bindings(): array |
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{ |
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if(empty($this->clauses)){ |
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return $this->bindings; |
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} |
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return array_merge($this->bindings, array_reduce($this->clauses, function ($carry, $clause) { |
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return array_merge($carry, $clause->bindings()); |
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}, [])); |
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} |
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public function addBinding($field, $value, $table_name = null, $bind_label = null): string |
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{ |
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$bind_label ??= $this->bindLabel($field, $table_name); |
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$this->bindings[$bind_label] = $value; |
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return $bind_label; |
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} |
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public function bindLabel($field, $table_name = null): string |
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{ |
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return ':' . $this->tableLabel($table_name) . '_' . $field; |
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} |
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public function addBindings($assoc_data): array |
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{ |
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$ret = []; |
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foreach ($assoc_data as $column_name => $value) { |
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$ret[$column_name] = $this->addBinding($column_name, $value, $this->table); |
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} |
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return $ret; |
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} |
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public function compare($query) |
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{ |
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if ($this->statement() !== $query->statement()) { |
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return 'statement'; |
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} |
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if (!empty(array_diff($this->bindings(), $query->bindings()))) { |
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return 'bindings'; |
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} |
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if (!empty(array_diff($query->bindings(), $this->bindings()))) { |
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return 'bindings'; |
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} |
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return true; |
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} |
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} |
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In the issue above, the returned value is violating the contract defined by the mentioned interface.
Let's take a look at an example: