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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Pgsql; |
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use Generator; |
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use JsonException; |
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use PDO; |
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use Yiisoft\Db\Driver\PDO\PDOValue; |
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use Yiisoft\Db\Exception\Exception; |
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use Yiisoft\Db\Exception\InvalidArgumentException; |
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use Yiisoft\Db\Exception\InvalidConfigException; |
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use Yiisoft\Db\Exception\NotSupportedException; |
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use Yiisoft\Db\Expression\Expression; |
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use Yiisoft\Db\Expression\ExpressionInterface; |
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use Yiisoft\Db\Query\DMLQueryBuilder as AbstractDMLQueryBuilder; |
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use Yiisoft\Db\Query\Query; |
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use Yiisoft\Db\Query\QueryBuilderInterface; |
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use Yiisoft\Db\Query\QueryInterface; |
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use Yiisoft\Db\Schema\Schema; |
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use Yiisoft\Strings\NumericHelper; |
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use function implode; |
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use function is_array; |
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use function is_string; |
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use function reset; |
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final class DMLQueryBuilder extends AbstractDMLQueryBuilder |
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{ |
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public function __construct(private QueryBuilderInterface $queryBuilder) |
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{ |
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parent::__construct($queryBuilder); |
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} |
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public function insertEx(string $table, QueryInterface|array $columns, array &$params = []): string |
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{ |
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$sql = $this->insert($table, $columns, $params); |
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$tableSchema = $this->schema->getTableSchema($table); |
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$returnColumns = []; |
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if ($tableSchema !== null) { |
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$returnColumns = $tableSchema->getPrimaryKey(); |
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} |
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if (!empty($returnColumns)) { |
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$returning = []; |
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foreach ($returnColumns as $name) { |
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$returning[] = $this->quoter->quoteColumnName($name); |
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} |
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$sql .= ' RETURNING ' . implode(', ', $returning); |
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} |
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return $sql; |
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} |
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/** |
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* @throws Exception|InvalidArgumentException|InvalidConfigException|NotSupportedException |
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* |
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* @psalm-suppress MixedArrayOffset |
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*/ |
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public function batchInsert(string $table, array $columns, iterable|Generator $rows, array &$params = []): string |
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{ |
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if (empty($rows)) { |
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return ''; |
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} |
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/** |
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* @psalm-var array<array-key, ColumnSchema> $columnSchemas |
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*/ |
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$columnSchemas = []; |
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$schema = $this->schema; |
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if (($tableSchema = $schema->getTableSchema($table)) !== null) { |
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$columnSchemas = $tableSchema->getColumns(); |
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} |
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$values = []; |
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/** |
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* @var array $row |
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*/ |
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foreach ($rows as $row) { |
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$vs = []; |
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/** |
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* @var int $i |
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* @var mixed $value |
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*/ |
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foreach ($row as $i => $value) { |
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if (isset($columns[$i], $columnSchemas[$columns[$i]])) { |
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/** |
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* @var bool|ExpressionInterface|float|int|string|null $value |
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*/ |
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$value = $columnSchemas[$columns[$i]]->dbTypecast($value); |
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} |
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if (is_string($value)) { |
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/** @var mixed */ |
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$value = $this->quoter->quoteValue($value); |
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} elseif (is_float($value)) { |
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/** ensure type cast always has . as decimal separator in all locales */ |
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$value = NumericHelper::normalize((string) $value); |
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} elseif ($value === true) { |
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$value = 'TRUE'; |
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} elseif ($value === false) { |
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$value = 'FALSE'; |
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} elseif ($value === null) { |
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$value = 'NULL'; |
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} elseif ($value instanceof ExpressionInterface) { |
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$value = $this->queryBuilder->buildExpression($value, $params); |
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} |
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/** @var bool|ExpressionInterface|float|int|string|null $value */ |
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$vs[] = $value; |
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} |
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$values[] = '(' . implode(', ', $vs) . ')'; |
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} |
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if (empty($values)) { |
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return ''; |
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} |
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/** @var string name */ |
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foreach ($columns as $i => $name) { |
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$columns[$i] = $this->quoter->quoteColumnName($name); |
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} |
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/** |
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* @psalm-var string[] $columns |
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* @psalm-var string[] $values |
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*/ |
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return 'INSERT INTO ' |
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. $this->quoter->quoteTableName($table) |
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. ' (' . implode(', ', $columns) . ') VALUES ' . implode(', ', $values); |
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} |
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/** |
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* Creates an INSERT SQL statement. |
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* |
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* For example, |
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* |
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* ```php |
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* $sql = $queryBuilder->insert('user', [ |
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* 'name' => 'Sam', |
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* 'age' => 30, |
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* ], $params); |
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* ``` |
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* |
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* The method will properly escape the table and column names. |
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* |
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* @param string $table the table that new rows will be inserted into. |
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* @param array|QueryInterface $columns the column data (name => value) to be inserted into the table or instance of |
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* {@see Query} to perform INSERT INTO ... SELECT SQL statement. Passing of {@see Query}. |
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* @param array $params the binding parameters that will be generated by this method. They should be bound to the |
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* DB command later. |
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* |
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* @return string the INSERT SQL |
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* |
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* @psalm-suppress UndefinedInterfaceMethod |
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* @psalm-suppress MixedArgument |
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*/ |
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public function insert(string $table, QueryInterface|array $columns, array &$params = []): string |
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{ |
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return parent::insert($table, $this->normalizeTableRowData($table, $columns), $params); |
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} |
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/** |
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* {@see upsert()} implementation for PostgresSQL 9.5 or higher. |
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* |
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* @param string $table |
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* @param array|QueryInterface $insertColumns |
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* @param array|bool|QueryInterface $updateColumns |
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* @param array $params |
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* |
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* @throws Exception|InvalidArgumentException|InvalidConfigException|JsonException|NotSupportedException |
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* |
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* @return string |
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*/ |
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public function newUpsert( |
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string $table, |
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QueryInterface|array $insertColumns, |
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bool|array|QueryInterface $updateColumns, |
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array &$params = [] |
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): string { |
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$insertSql = $this->insert($table, $insertColumns, $params); |
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/** @var array $uniqueNames */ |
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[$uniqueNames, , $updateNames] = $this->prepareUpsertColumns( |
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$table, |
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$insertColumns, |
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$updateColumns, |
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); |
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if (empty($uniqueNames)) { |
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return $insertSql; |
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} |
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if ($updateNames === []) { |
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/** there are no columns to update */ |
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$updateColumns = false; |
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} |
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if ($updateColumns === false) { |
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return "$insertSql ON CONFLICT DO NOTHING"; |
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} |
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if ($updateColumns === true) { |
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$updateColumns = []; |
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/** @var string $name */ |
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foreach ($updateNames as $name) { |
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$updateColumns[$name] = new Expression( |
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'EXCLUDED.' . $this->quoter->quoteColumnName($name) |
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); |
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} |
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} |
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/** |
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* @var array $updateColumns |
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* |
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* @psalm-var string[] $uniqueNames |
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* @psalm-var string[] $updates |
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*/ |
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[$updates, $params] = $this->prepareUpdateSets($table, $updateColumns, $params); |
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return $insertSql |
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. ' ON CONFLICT (' . implode(', ', $uniqueNames) . ') DO UPDATE SET ' . implode(', ', $updates); |
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} |
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/** |
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* Creates a SQL statement for resetting the sequence value of a table's primary key. |
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* |
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* The sequence will be reset such that the primary key of the next new row inserted will have the specified value |
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* or 1. |
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* |
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* @param string $tableName the name of the table whose primary key sequence will be reset. |
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* @param mixed $value the value for the primary key of the next new row inserted. If this is not set, the next new |
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* row's primary key will have a value 1. |
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* |
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* @throws Exception|InvalidArgumentException if the table does not exist or there is no sequence |
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* associated with the table. |
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* |
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* @return string the SQL statement for resetting sequence. |
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*/ |
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public function resetSequence(string $tableName, $value = null): string |
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{ |
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$table = $this->schema->getTableSchema($tableName); |
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if ($table !== null && ($sequence = $table->getSequenceName()) !== null) { |
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/** |
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* {@see http://www.postgresql.org/docs/8.1/static/functions-sequence.html} |
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*/ |
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$sequence = $this->quoter->quoteTableName($sequence); |
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$tableName = $this->quoter->quoteTableName($tableName); |
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if ($value === null) { |
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$pk = $table->getPrimaryKey(); |
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$key = $this->quoter->quoteColumnName(reset($pk)); |
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$value = "(SELECT COALESCE(MAX($key),0) FROM $tableName)+1"; |
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} else { |
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$value = (int) $value; |
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} |
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return "SELECT SETVAL('$sequence',$value,false)"; |
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} |
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if ($table === null) { |
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throw new InvalidArgumentException("Table not found: $tableName"); |
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} |
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throw new InvalidArgumentException("There is not sequence associated with table '$tableName'."); |
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} |
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/** |
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* Creates an UPDATE SQL statement. |
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* |
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* For example, |
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* |
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* ```php |
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* $params = []; |
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* $sql = $queryBuilder->update('user', ['status' => 1], 'age > 30', $params); |
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* ``` |
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* |
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* The method will properly escape the table and column names. |
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* |
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* @param string $table the table to be updated. |
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* @param array $columns the column data (name => value) to be updated. |
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* @param array|string $condition the condition that will be put in the WHERE part. Please refer to |
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* {@see Query::where()} on how to specify condition. |
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* @param array $params the binding parameters that will be modified by this method so that they can be bound to the |
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* DB command later. |
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* |
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* @return string the UPDATE SQL. |
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* |
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* @psalm-suppress UndefinedInterfaceMethod |
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*/ |
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public function update(string $table, array $columns, array|string $condition, array &$params = []): string |
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{ |
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$normalizeTableRowData = $this->normalizeTableRowData($table, $columns); |
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return parent::update( |
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$table, |
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is_array($normalizeTableRowData) ? $normalizeTableRowData : [], |
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$condition, |
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$params, |
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); |
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} |
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/** |
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* Creates an SQL statement to insert rows into a database table if they do not already exist (matching unique |
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* constraints), or update them if they do. |
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* |
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* For example, |
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* |
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* ```php |
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* $sql = $queryBuilder->upsert('pages', [ |
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* 'name' => 'Front page', |
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* 'url' => 'http://example.com/', // url is unique |
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* 'visits' => 0, |
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* ], [ |
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* 'visits' => new \Yiisoft\Db\Expression('visits + 1'), |
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* ], $params); |
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* ``` |
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* |
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* The method will properly escape the table and column names. |
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* |
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* @param string $table the table that new rows will be inserted into/updated in. |
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* @param array|QueryInterface $insertColumns the column data (name => value) to be inserted into the table or |
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* instance of {@see Query} to perform `INSERT INTO ... SELECT` SQL statement. |
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* @param array|bool|QueryInterface $updateColumns the column data (name => value) to be updated if they already |
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* exist. |
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* If `true` is passed, the column data will be updated to match the insert column data. |
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* If `false` is passed, no update will be performed if the column data already exists. |
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* @param array $params the binding parameters that will be generated by this method. |
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* They should be bound to the DB command later. |
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* |
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* @throws Exception|InvalidConfigException|JsonException|NotSupportedException if this is not supported by the |
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* underlying DBMS. |
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* |
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* @return string the resulting SQL. |
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* |
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* @link https://www.postgresql.org/docs/9.5/static/sql-insert.html#SQL-ON-CONFLICT |
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* @link https://stackoverflow.com/questions/1109061/insert-on-duplicate-update-in-postgresql/8702291#8702291 |
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* |
346
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* @psalm-suppress UndefinedInterfaceMethod |
347
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*/ |
348
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18 |
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public function upsert( |
349
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|
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string $table, |
350
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QueryInterface|array $insertColumns, |
351
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|
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$updateColumns, |
352
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array &$params = [] |
353
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): string { |
354
|
18 |
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$insertColumns = $this->normalizeTableRowData($table, $insertColumns); |
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|
356
|
18 |
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if (!is_bool($updateColumns)) { |
357
|
7 |
|
$updateColumns = $this->normalizeTableRowData($table, $updateColumns); |
358
|
|
|
} |
359
|
|
|
|
360
|
18 |
|
return $this->newUpsert($table, $insertColumns, $updateColumns, $params); |
361
|
|
|
} |
362
|
|
|
|
363
|
|
|
/** |
364
|
|
|
* Normalizes data to be saved into the table, performing extra preparations and type converting, if necessary. |
365
|
|
|
* |
366
|
|
|
* @param string $table the table that data will be saved into. |
367
|
|
|
* @param array|QueryInterface $columns the column data (name => value) to be saved into the table or instance of |
368
|
|
|
* {@see QueryInterface} to perform INSERT INTO ... SELECT SQL statement. Passing of |
369
|
|
|
* {@see QueryInterface}. |
370
|
|
|
* |
371
|
|
|
* @return array|QueryInterface normalized columns. |
372
|
|
|
*/ |
373
|
51 |
|
private function normalizeTableRowData(string $table, QueryInterface|array $columns): QueryInterface|array |
374
|
|
|
{ |
375
|
51 |
|
if ($columns instanceof QueryInterface) { |
|
|
|
|
376
|
14 |
|
return $columns; |
377
|
|
|
} |
378
|
|
|
|
379
|
43 |
|
if (($tableSchema = $this->schema->getTableSchema($table)) !== null) { |
380
|
43 |
|
$columnSchemas = $tableSchema->getColumns(); |
381
|
|
|
/** @var mixed $value */ |
382
|
43 |
|
foreach ($columns as $name => $value) { |
383
|
|
|
if ( |
384
|
43 |
|
isset($columnSchemas[$name]) && |
385
|
43 |
|
$columnSchemas[$name]->getType() === Schema::TYPE_BINARY && |
386
|
43 |
|
is_string($value) |
387
|
|
|
) { |
388
|
|
|
/** explicitly setup PDO param type for binary column */ |
389
|
2 |
|
$columns[$name] = new PDOValue($value, PDO::PARAM_LOB); |
390
|
|
|
} |
391
|
|
|
} |
392
|
|
|
} |
393
|
|
|
|
394
|
43 |
|
return $columns; |
395
|
|
|
} |
396
|
|
|
} |
397
|
|
|
|
Let?s assume that you have a directory layout like this:
and let?s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: