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Commitf491afc

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Merge pull request#4 from postgresml/small-fixes
Small fixes
2 parentsfab7311 +28545c9 commitf491afc

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2 files changed

+42
-13
lines changed

2 files changed

+42
-13
lines changed

‎pgml/pgml/model.py

Lines changed: 7 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -79,7 +79,7 @@ def find_by_name(cls, name: str):
7979
1,
8080
)
8181
iflen(result)==0:
82-
returnNone
82+
raisePgMLException(f"Project '{name}' does not exist.")
8383

8484
project=Project()
8585
project.__dict__=dict(result[0])
@@ -206,14 +206,13 @@ def data(self):
206206
"""
207207
)
208208

209-
print(data)
210209
# Sanity check the data
211210
iflen(data)==0:
212-
PgMLException(
211+
raisePgMLException(
213212
f"Relation `{self.relation_name}` contains no rows. Did you pass the correct `relation_name`?"
214213
)
215214
ifself.y_column_namenotindata[0]:
216-
PgMLException(
215+
raisePgMLException(
217216
f"Column `{self.y_column_name}` not found. Did you pass the correct `y_column_name`?"
218217
)
219218

@@ -429,6 +428,10 @@ def train(
429428
algorithms= ["linear","random_forest"]
430429
elifobjective=="classification":
431430
algorithms= ["random_forest"]
431+
else:
432+
raisePgMLException(
433+
f"Unknown objective '{objective}', available options are: regression, classification"
434+
)
432435

433436
foralgorithm_nameinalgorithms:
434437
model=Model.create(project,snapshot,algorithm_name)

‎sql/install.sql

Lines changed: 35 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@ CREATE EXTENSION IF NOT EXISTS plpython3u;
66
---
77
--- Create schema for models.
88
---
9-
DROPSCHEMA pgml CASCADE;
9+
--DROP SCHEMA pgml CASCADE;
1010
CREATESCHEMAIF NOT EXISTS pgml;
1111

1212
CREATE OR REPLACEFUNCTIONpgml.auto_updated_at(tbl regclass)
@@ -40,17 +40,17 @@ END;
4040
$$
4141
LANGUAGE plpgsql;
4242

43-
CREATETABLEpgml.projects(
43+
CREATETABLEIF NOT EXISTSpgml.projects(
4444
idBIGSERIALPRIMARY KEY,
4545
nameTEXTNOT NULL,
4646
objectiveTEXTNOT NULL,
4747
created_atTIMESTAMP WITHOUT TIME ZONENOT NULL DEFAULT clock_timestamp(),
4848
updated_atTIMESTAMP WITHOUT TIME ZONENOT NULL DEFAULT clock_timestamp()
4949
);
5050
SELECTpgml.auto_updated_at('pgml.projects');
51-
CREATEUNIQUE INDEXprojects_name_idxONpgml.projects(name);
51+
CREATEUNIQUE INDEXIF NOT EXISTSprojects_name_idxONpgml.projects(name);
5252

53-
CREATETABLEpgml.snapshots(
53+
CREATETABLEIF NOT EXISTSpgml.snapshots(
5454
idBIGSERIALPRIMARY KEY,
5555
relation_nameTEXTNOT NULL,
5656
y_column_nameTEXTNOT NULL,
@@ -62,7 +62,7 @@ CREATE TABLE pgml.snapshots(
6262
);
6363
SELECTpgml.auto_updated_at('pgml.snapshots');
6464

65-
CREATETABLEpgml.models(
65+
CREATETABLEIF NOT EXISTSpgml.models(
6666
idBIGSERIALPRIMARY KEY,
6767
project_idBIGINTNOT NULL,
6868
snapshot_idBIGINTNOT NULL,
@@ -76,17 +76,17 @@ CREATE TABLE pgml.models(
7676
CONSTRAINT project_id_fkFOREIGN KEY(project_id)REFERENCESpgml.projects(id),
7777
CONSTRAINT snapshot_id_fkFOREIGN KEY(snapshot_id)REFERENCESpgml.snapshots(id)
7878
);
79-
CREATEINDEXmodels_project_id_created_at_idxONpgml.models(project_id, created_at);
79+
CREATEINDEXIF NOT EXISTSmodels_project_id_created_at_idxONpgml.models(project_id, created_at);
8080
SELECTpgml.auto_updated_at('pgml.models');
8181

82-
CREATETABLEpgml.deployments(
82+
CREATETABLEIF NOT EXISTSpgml.deployments(
8383
project_idBIGINTNOT NULL,
8484
model_idBIGINTNOT NULL,
8585
created_atTIMESTAMP WITHOUT TIME ZONENOT NULL DEFAULT clock_timestamp(),
8686
CONSTRAINT project_id_fkFOREIGN KEY(project_id)REFERENCESpgml.projects(id),
8787
CONSTRAINT model_id_fkFOREIGN KEY(model_id)REFERENCESpgml.models(id)
8888
);
89-
CREATEINDEXdeployments_project_id_created_at_idxONpgml.deployments(project_id, created_at);
89+
CREATEINDEXIF NOT EXISTSdeployments_project_id_created_at_idxONpgml.deployments(project_id, created_at);
9090
SELECTpgml.auto_updated_at('pgml.deployments');
9191

9292

@@ -103,12 +103,15 @@ $$ LANGUAGE plpython3u;
103103
---
104104
--- Regression
105105
---
106+
DROPFUNCTION IF EXISTSpgml.train(project_nameTEXT, objectiveTEXT, relation_nameTEXT, y_column_nameTEXT);
106107
CREATE OR REPLACEFUNCTIONpgml.train(project_nameTEXT, objectiveTEXT, relation_nameTEXT, y_column_nameTEXT)
107-
RETURNSVOID
108+
RETURNSTABLE(project_nameTEXT, objectiveTEXT, statusTEXT)
108109
AS $$
109110
frompgml.model import train
110111

111112
train(project_name, objective, relation_name, y_column_name)
113+
114+
return [(project_name, objective,"deployed")]
112115
$$ LANGUAGE plpython3u;
113116

114117
---
@@ -121,3 +124,26 @@ AS $$
121124

122125
returnProject.find_by_name(project_name).deployed_model.predict([features,])[0]
123126
$$ LANGUAGE plpython3u;
127+
128+
---
129+
--- Quick status check on the system.
130+
---
131+
DROPVIEW IF EXISTSpgml.overview;
132+
CREATEVIEWpgml.overviewAS
133+
SELECT
134+
p.name,
135+
d.created_atAS deployed_at,
136+
p.objective,
137+
m.algorithm_name,
138+
m.mean_squared_error,
139+
m.r2_score,
140+
s.relation_name,
141+
s.y_column_name,
142+
s.test_sampling,
143+
s.test_size
144+
FROMpgml.projects p
145+
INNER JOINpgml.models mONp.id=m.project_id
146+
INNER JOINpgml.deployments dONd.project_id=p.id
147+
ANDd.model_id=m.id
148+
INNER JOINpgml.snapshots sONs.id=m.snapshot_id
149+
ORDER BYd.created_atDESC;

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