GS_MODEL_WAREHOUSE
GS_MODEL_WAREHOUSE stores AI engine training models, including the models and detailed description of the training process.
Table 1 GS_MODEL_WAREHOUSE columns
| Name | Data Type | Description | 
|---|
| oid | oid | Hidden column | 
| modelname | name | Unique constraint | 
| modelowner | oid | OID of a model owner | 
| createtime | timestamp | Time when a model is created | 
| processedtuples | int | Number of tuples involved in training | 
| discardedtuples | int | Number of unqualified tuples not involved in training | 
| preprocesstime | real | Data preprocessing time | 
| exectime | real | Training duration | 
| iterations | int | Iteration round | 
| outputtype | oid | OID of the output data type | 
| modeltype | text | AI operator type | 
| query | text | Query statement executed to create a model | 
| modeldata | bytea | Stored binary model information | 
| weight | real[] | Currently, this column applies only to GD operator models. | 
| hyperparametersnames | text[] | Involved hyperparameter name | 
| hyperparametersvalues | text[] | Hyperparameter value | 
| hyperparametersoids | oid[] | OID of the data type corresponding to a hyperparameter | 
| coefnames | text[] | Model parameter | 
| coefvalues | text[] | Value of a model parameter | 
| coefoids | oid[] | OID of the data type corresponding to a model parameter | 
| trainingscoresname | text[] | Method used to measure model performance | 
| trainingscoresvalue | real[] | Value used to measure model performance | 
| modeldescribe | text[] | Model description | 
openGauss 2025-10-31 07:42:18