feat(python): add update query support for Python (#654)

Closes #69

Will not pass until https://github.com/lancedb/lance/pull/1585 is
released
This commit is contained in:
Will Jones
2023-12-14 11:28:32 -08:00
committed by Weston Pace
parent b02370cacd
commit 9356c3b86a
4 changed files with 149 additions and 29 deletions

View File

@@ -12,7 +12,7 @@
# limitations under the License.
import functools
from datetime import timedelta
from datetime import date, datetime, timedelta
from pathlib import Path
from typing import List
from unittest.mock import PropertyMock, patch
@@ -348,14 +348,79 @@ def test_update(db):
assert len(table) == 2
assert len(table.list_versions()) == 2
table.update(where="id=0", values={"vector": [1.1, 1.1]})
assert len(table.list_versions()) == 4
assert table.version == 4
assert len(table.list_versions()) == 3
assert table.version == 3
assert len(table) == 2
v = table.to_arrow()["vector"].combine_chunks()
v = v.values.to_numpy().reshape(2, 2)
assert np.allclose(v, np.array([[1.2, 1.9], [1.1, 1.1]]))
def test_update_types(db):
table = LanceTable.create(
db,
"my_table",
data=[
{
"id": 0,
"str": "foo",
"float": 1.1,
"timestamp": datetime(2021, 1, 1),
"date": date(2021, 1, 1),
"vector1": [1.0, 0.0],
"vector2": [1.0, 1.0],
}
],
)
# Update with SQL
table.update(
values_sql=dict(
id="1",
str="'bar'",
float="2.2",
timestamp="TIMESTAMP '2021-01-02 00:00:00'",
date="DATE '2021-01-02'",
vector1="[2.0, 2.0]",
vector2="[3.0, 3.0]",
)
)
actual = table.to_arrow().to_pylist()[0]
expected = dict(
id=1,
str="bar",
float=2.2,
timestamp=datetime(2021, 1, 2),
date=date(2021, 1, 2),
vector1=[2.0, 2.0],
vector2=[3.0, 3.0],
)
assert actual == expected
# Update with values
table.update(
values=dict(
id=2,
str="baz",
float=3.3,
timestamp=datetime(2021, 1, 3),
date=date(2021, 1, 3),
vector1=[3.0, 3.0],
vector2=np.array([4.0, 4.0]),
)
)
actual = table.to_arrow().to_pylist()[0]
expected = dict(
id=2,
str="baz",
float=3.3,
timestamp=datetime(2021, 1, 3),
date=date(2021, 1, 3),
vector1=[3.0, 3.0],
vector2=[4.0, 4.0],
)
assert actual == expected
def test_create_with_embedding_function(db):
class MyTable(LanceModel):
text: str