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Merge pull request #3149 from cds-astro/fix-query-objects
fix: query objects
2 parents 054526a + 7d96ebd commit 8cdb2df

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‎CHANGES.rst

+3
Original file line numberDiff line numberDiff line change
@@ -149,6 +149,9 @@ simbad
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A helper method was added ``astroquery.simbad.utils.CriteriaTranslator`` to
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translate between the sim-script syntax and the TAP/ADQL syntax. [#2954]
151151

152+
- fixed ``query_objects`` that would not work in combination with the additional field
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``ident`` [#3149]
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skyview
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^^^^^^^
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‎astroquery/simbad/core.py

+25-17
Original file line numberDiff line numberDiff line change
@@ -90,6 +90,7 @@ class _Join:
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column_left: Any
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column_right: Any
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join_type: str = field(default="JOIN")
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alias: str = field(default=None)
9394

9495

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class SimbadClass(BaseVOQuery):
@@ -670,10 +671,11 @@ def query_objects(self, object_names, *, wildcard=False, criteria=None,
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upload_name = "TAP_UPLOAD.script_infos"
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columns.append(_Column(upload_name, "*"))
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674+
# join on ident needs an alias in case the users want to add the votable field ident
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left_joins = [_Join("ident", _Column(upload_name, "user_specified_id"),
674-
_Column("ident", "id"), "LEFT JOIN"),
676+
_Column("ident", "id"), "LEFT JOIN", "ident_upload"),
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_Join("basic", _Column("basic", "oid"),
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_Column("ident", "oidref"), "LEFT JOIN")]
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_Column("ident_upload", "oidref"), "LEFT JOIN")]
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for join in joins:
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left_joins.append(_Join(join.table, join.column_left,
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join.column_right, "LEFT JOIN"))
@@ -716,28 +718,29 @@ def query_region(self, coordinates, radius=2*u.arcmin, *,
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Examples
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--------
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719-
Look for large galaxies in two cones
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Look for largest galaxies in two cones
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>>> from astroquery.simbad import Simbad
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>>> from astropy.coordinates import SkyCoord
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>>> simbad = Simbad()
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>>> simbad.ROW_LIMIT = 5
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>>> simbad.add_votable_fields("otype") # doctest: +REMOTE_DATA
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>>> simbad.add_votable_fields("otype", "dim") # doctest: +REMOTE_DATA
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>>> coordinates = SkyCoord([SkyCoord(186.6, 12.7, unit=("deg", "deg")),
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... SkyCoord(170.75, 23.9, unit=("deg", "deg"))])
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>>> result = simbad.query_region(coordinates, radius="2d5m",
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... criteria="otype = 'Galaxy..' AND galdim_majaxis>8") # doctest: +REMOTE_DATA
730-
>>> result.sort("main_id") # doctest: +REMOTE_DATA
731-
>>> result["main_id", "otype"] # doctest: +REMOTE_DATA
731+
... criteria="otype = 'Galaxy..' AND galdim_majaxis>8.5") # doctest: +REMOTE_DATA
732+
>>> result.sort("galdim_majaxis", reverse=True) # doctest: +REMOTE_DATA
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>>> result["main_id", "otype", "galdim_majaxis"] # doctest: +REMOTE_DATA
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<Table length=5>
733-
main_id otype
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object object
735-
------------ ------
736-
LEDA 40577 GiG
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LEDA 41362 GiC
738-
M 86 GiG
739-
M 87 AGN
740-
NGC 4438 LIN
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main_id otype galdim_majaxis
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arcmin
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object object float32
738+
------------ ------ --------------
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LEDA 41362 GiC 11.0
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M 86 GiG 10.47
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LEDA 40917 AG? 10.3
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M 87 AGN 9.12
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NGC 4438 LIN 8.91
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Notes
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-----
@@ -1332,7 +1335,7 @@ def query_tap(self, query: str, *, maxrec=10000, get_query_payload=False, **uplo
13321335
... my_table_name=letters_table) # doctest: +REMOTE_DATA
13331336
<Table length=3>
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alphabet
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object
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str1
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--------
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a
13381341
b
@@ -1415,7 +1418,12 @@ def _query(self, top, columns, joins, criteria, from_table="basic",
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else:
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unique_joins = []
14171420
[unique_joins.append(join) for join in joins if join not in unique_joins]
1418-
join = " " + " ".join([(f'{join.join_type} {join.table} ON {join.column_left.table}."'
1421+
# the joined tables can have an alias. We handle the two cases here
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join = " " + " ".join([(f'{join.join_type} {join.table} AS {join.alias} '
1423+
f'ON {join.column_left.table}."{join.column_left.name}" = '
1424+
f'{join.alias}."{join.column_right.name}"')
1425+
if join.alias is not None else
1426+
(f'{join.join_type} {join.table} ON {join.column_left.table}."'
14191427
f'{join.column_left.name}" = {join.column_right.table}."'
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f'{join.column_right.name}"') for join in unique_joins])
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‎astroquery/simbad/tests/test_simbad.py

+4-3
Original file line numberDiff line numberDiff line change
@@ -408,9 +408,10 @@ def test_query_objects():
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# no wildcard and additional criteria
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adql = simbad.core.Simbad.query_objects(("m1", "m2"), criteria="otype = 'Galaxy..'",
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get_query_payload=True)["QUERY"]
411-
expected = ('FROM TAP_UPLOAD.script_infos LEFT JOIN ident ON TAP_UPLOAD.script_infos.'
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'"user_specified_id" = ident."id" LEFT JOIN basic ON basic."oid" = ident."oidref"'
413-
' WHERE (otype = \'Galaxy..\')')
411+
expected = ('FROM TAP_UPLOAD.script_infos LEFT JOIN ident AS ident_upload '
412+
'ON TAP_UPLOAD.script_infos.'
413+
'"user_specified_id" = ident_upload."id" LEFT JOIN basic '
414+
'ON basic."oid" = ident_upload."oidref" WHERE (otype = \'Galaxy..\')')
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assert adql.endswith(expected)
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# with wildcard
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adql = simbad.core.Simbad.query_objects(("M *", "NGC *"), wildcard=True, get_query_payload=True)["QUERY"]

‎astroquery/simbad/tests/test_simbad_remote.py

+7
Original file line numberDiff line numberDiff line change
@@ -204,3 +204,10 @@ def test_add_votable_fields(self):
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simbad_instance.add_votable_fields("u")
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result = simbad_instance.query_object("HD 147933")
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assert all(filtername in result.colnames for filtername in {"u", "U", "V"})
207+
208+
def test_double_ident_in_query_objects(self):
209+
simbad = Simbad()
210+
simbad.add_votable_fields("ident")
211+
result = simbad.query_objects(['HD 1'])
212+
assert len(result) > 1
213+
assert all(result["main_id"] == "HD 1")

‎docs/simbad/query_tap.rst

+12-9
Original file line numberDiff line numberDiff line change
@@ -195,22 +195,25 @@ that is the measurement table for rotations. Their common column is ``oidref``.
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.. doctest-remote-data::
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197197
>>> from astroquery.simbad import Simbad
198-
>>> query = """SELECT bibcode AS "Rotation Measurements Bibcodes"
198+
>>> query = """SELECT DISTINCT bibcode AS "Rotation Measurements Bibcodes"
199199
... FROM ident JOIN mesrot USING(oidref)
200200
... WHERE id = 'Sirius';
201201
... """
202-
>>> Simbad.query_tap(query)
203-
<Table length=7>
202+
>>> bibcodes = Simbad.query_tap(query)
203+
>>> bibcodes.sort("Rotation Measurements Bibcodes")
204+
>>> bibcodes
205+
<Table length=8>
204206
Rotation Measurements Bibcodes
205-
object
207+
object
206208
------------------------------
207-
2023ApJS..266...11B
208-
2016A&A...589A..83G
209-
2002A&A...393..897R
210-
1995ApJS...99..135A
211-
1970CoKwa.189....0U
212209
1970CoAsi.239....1B
210+
1970CoKwa.189....0U
211+
1995ApJS...99..135A
212+
2002A&A...393..897R
213+
2005yCat.3244....0G
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2011A&A...531A.143D
215+
2016A&A...589A..83G
216+
2023ApJS..266...11B
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215218
This returns six papers in which the SIMBAD team found rotation data for Sirius.
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‎docs/simbad/simbad.rst

+10-9
Original file line numberDiff line numberDiff line change
@@ -66,7 +66,7 @@ to query the messier object M1:
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main_id ra dec ... coo_wavelength coo_bibcode matched_id
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deg deg ...
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------- ------- ------- ... -------------- ------------------- ----------
69-
M 1 83.6287 22.0147 ... R 1995AuJPh..48..143S M 1
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M 1 83.6324 22.0174 ... X 2022A&A...661A..38P M 1
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`Wildcards`_ are supported. Note that this makes the query case-sensitive.
7272
This allows, for instance, to query messier objects from 1 through 9:
@@ -203,12 +203,12 @@ If the center is defined by coordinates, then the best solution is to use a
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>>> Simbad.query_region(SkyCoord(31.0087, 14.0627, unit=(u.deg, u.deg),
204204
... frame='galactic'), radius=2 * u.arcsec)
205205
<Table length=2>
206-
main_id ra ... coo_wavelength coo_bibcode
207-
deg ...
208-
object float64 ... str1 object
209-
------------------- ----------------- ... -------------- -------------------
210-
GJ 699 b 269.4520769586187 ... O 2020yCat.1350....0G
211-
NAME Barnard's star 269.4520769586187 ... O 2020yCat.1350....0G
206+
main_id ra ... coo_wavelength coo_bibcode
207+
deg ...
208+
object float64 ... str1 object
209+
--------------------- ----------------- ... -------------- -------------------
210+
NAME Barnard's Star b 269.4520769586187 ... O 2020yCat.1350....0G
211+
NAME Barnard's star 269.4520769586187 ... O 2020yCat.1350....0G
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213213
.. Note::
214214

@@ -466,7 +466,7 @@ with:
466466

467467
>>> from astroquery.simbad import Simbad
468468
>>> Simbad.list_votable_fields()[["name", "description"]]
469-
<Table length=115>
469+
<Table length=...>
470470
name description
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object object
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----------- -------------------------------------------------------
@@ -584,11 +584,12 @@ constraint on the first character of the ``mespm.bibcode`` column
584584
>>> simbad.add_votable_fields("mesPM", "otype")
585585
>>> pm_measurements = simbad.query_object("BD+30 2512", criteria=criteria)
586586
>>> pm_measurements[["main_id", "mespm.pmra", "mespm.pmde", "mespm.bibcode"]]
587-
<Table length=6>
587+
<Table length=7>
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main_id mespm.pmra mespm.pmde mespm.bibcode
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mas / yr mas / yr
590590
object float32 float32 object
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----------- ---------- ---------- -------------------
592+
BD+30 2512 -631.6 -289.5 2016ApJ...817..112S
592593
BD+30 2512 -631.662 -308.469 2020yCat.1350....0G
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BD+30 2512 -631.6 -289.5 2016ApJS..224...36K
594595
BD+30 2512 -631.625 -308.495 2018yCat.1345....0G

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