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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 Yiisoft\Db\Exception\InvalidArgumentException; |
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use Yiisoft\Db\Expression\Expression; |
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use Yiisoft\Db\Query\QueryInterface; |
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use Yiisoft\Db\QueryBuilder\AbstractDMLQueryBuilder; |
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use function implode; |
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use function reset; |
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/** |
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* Implements a DML (Data Manipulation Language) SQL statements for PostgreSQL Server. |
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*/ |
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final class DMLQueryBuilder extends AbstractDMLQueryBuilder |
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{ |
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public function insertWithReturningPks(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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public function resetSequence(string $tableName, int|string $value = null): string |
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{ |
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$table = $this->schema->getTableSchema($tableName); |
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if ($table !== null && ($sequence = $table->getSequenceName()) !== null) { |
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/** |
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* @link https://www.postgresql.org/docs/8.1/static/functions-sequence.html |
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*/ |
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$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 $tableName)+1"; |
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} |
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return "SELECT SETVAL('$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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public function upsert( |
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string $table, |
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QueryInterface|array $insertColumns, |
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$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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/** @psalm-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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/** @psalm-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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* @psalm-var array $updateColumns |
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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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yiisoft /
db-pgsql
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