Chunk #539

Aus: Contracts (Index: 0)

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from dataclasses import dataclass
from typing import Optional

@dataclass(frozen=True)
class QueryRequest:
    """Immutable Query Request - SRP: Nur Query-Daten"""
    query: str
    params: Optional[tuple] = None
    database: str = "ki_protokoll"
    max_rows: int = 100

Clean Content

Immutable Request-Objekt für Datenbankabfragen.

```
`from dataclasses import dataclass
from typing import Optional

@dataclass(frozen=True)
class QueryRequest:
 """Immutable Query Request - SRP: Nur Query-Daten"""
 query: str
 params: Optional[tuple] = None
 database: str = "ki_protokoll"
 max_rows: int = 100`
```

 FeldTypDefaultBeschreibung

 querystr-SQL SELECT Statement

 paramsOptional[tuple]NonePrepared Statement Parameter

 databasestr"ki_protokoll"Zieldatenbank

 max_rowsint100Maximale Ergebniszeilen

Metadaten

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