使用PG向量库，知识库导入文本报错 dimensions for type vector must be at least 1

[yc-2503]

Microsoft.KernelMemory.Postgres.PostgresMemory[0]
Table 'public."km-kms"' creation error: Npgsql.PostgresException (0x80004005): 22023: dimensions for type vector must be at least 1

  POSITION: 141
     at Npgsql.Internal.NpgsqlConnector.ReadMessageLong(Boolean async, DataRowLoadingMode dataRowLoadingMode, Boolean readingNotifications, Boolean isReadingPrependedMessage)
     at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token)
     at Npgsql.NpgsqlDataReader.NextResult(Boolean async, Boolean isConsuming, CancellationToken cancellationToken)
     at Npgsql.NpgsqlDataReader.NextResult(Boolean async, Boolean isConsuming, CancellationToken cancellationToken)
     at Npgsql.NpgsqlCommand.ExecuteNonQuery(Boolean async, CancellationToken cancellationToken)
     at Npgsql.NpgsqlCommand.ExecuteNonQuery(Boolean async, CancellationToken cancellationToken)
     at Microsoft.KernelMemory.Postgres.Db.PostgresDbClient.CreateTableAsync(String tableName, Int32 vectorSize, CancellationToken cancellationToken)
     at Microsoft.KernelMemory.Postgres.Db.PostgresDbClient.CreateTableAsync(String tableName, Int32 vectorSize, CancellationToken cancellationToken)
    Exception data:
      Severity: ERROR
      SqlState: 22023
      MessageText: dimensions for type vector must be at least 1
      Position: 141
      File: vector.c
      Line: 356
      Routine: vector_typmod_in. Err: 22023: dimensions for type vector must be at least 1

  POSITION: 141. InnerEx: (null)
  Npgsql.PostgresException (0x80004005): 22023: dimensions for type vector must be at least 1

  POSITION: 141
     at Npgsql.Internal.NpgsqlConnector.ReadMessageLong(Boolean async, DataRowLoadingMode dataRowLoadingMode, Boolean readingNotifications, Boolean isReadingPrependedMessage)
     at System.Runtime.CompilerServices.PoolingAsyncValueTaskMethodBuilder`1.StateMachineBox`1.System.Threading.Tasks.Sources.IValueTaskSource<TResult>.GetResult(Int16 token)
     at Npgsql.NpgsqlDataReader.NextResult(Boolean async, Boolean isConsuming, CancellationToken cancellationToken)
     at Npgsql.NpgsqlDataReader.NextResult(Boolean async, Boolean isConsuming, CancellationToken cancellationToken)
     at Npgsql.NpgsqlCommand.ExecuteNonQuery(Boolean async, CancellationToken cancellationToken)
     at Npgsql.NpgsqlCommand.ExecuteNonQuery(Boolean async, CancellationToken cancellationToken)
     at Microsoft.KernelMemory.Postgres.Db.PostgresDbClient.CreateTableAsync(String tableName, Int32 vectorSize, CancellationToken cancellationToken)
     at Microsoft.KernelMemory.Postgres.Db.PostgresDbClient.CreateTableAsync(String tableName, Int32 vectorSize, CancellationToken cancellationToken)
    Exception data:
      Severity: ERROR
      SqlState: 22023
      MessageText: dimensions for type vector must be at least 1
      Position: 141
      File: vector.c
      Line: 356
      Routine: vector_typmod_in

[xuzeyu91]

看起来是你的向量模型配置有问题