Updated on 2023-10-23 GMT+08:00

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 without time zone

Time when a model is created

processedtuples

integer

Number of tuples involved in training

discardedtuples

integer

Number of unqualified tuples not involved in training

preprocesstime

real

Data preprocessing time

exectime

real

Training duration

iterations

integer

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