mirror of
https://github.com/CartoDB/crankshaft.git
synced 2024-11-01 10:20:48 +08:00
5a7d3178dd
This version is the first with the new versioning approach which uses separate per-version Pyhton virtual enironments.
75 lines
2.9 KiB
PL/PgSQL
75 lines
2.9 KiB
PL/PgSQL
CREATE OR REPLACE FUNCTION cdb_crankshaft.cdb_crankshaft_version()
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RETURNS text AS $$
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SELECT '0.0.2'::text;
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$$ language 'sql' STABLE STRICT;
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CREATE OR REPLACE FUNCTION cdb_crankshaft._cdb_crankshaft_internal_version()
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RETURNS text AS $$
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SELECT installed_version FROM pg_available_extensions where name='crankshaft' and pg_available_extensions IS NOT NULL;
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$$ language 'sql' STABLE STRICT;
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CREATE OR REPLACE FUNCTION cdb_crankshaft._cdb_crankshaft_virtualenvs_path()
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RETURNS text
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AS $$
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BEGIN
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RETURN '/home/ubuntu/crankshaft/envs';
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END;
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$$ language plpgsql IMMUTABLE STRICT;
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CREATE OR REPLACE FUNCTION cdb_crankshaft._cdb_crankshaft_activate_py()
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RETURNS VOID
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AS $$
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import os
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# plpy.notice('%',str(os.environ))
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# activate virtualenv
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crankshaft_version = plpy.execute('SELECT cdb_crankshaft._cdb_crankshaft_internal_version()')[0]['_cdb_crankshaft_internal_version']
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base_path = plpy.execute('SELECT cdb_crankshaft._cdb_crankshaft_virtualenvs_path()')[0]['_cdb_crankshaft_virtualenvs_path']
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default_venv_path = os.path.join(base_path, crankshaft_version)
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venv_path = os.environ.get('CRANKSHAFT_VENV', default_venv_path)
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activate_path = venv_path + '/bin/activate_this.py'
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exec(open(activate_path).read(), dict(__file__=activate_path))
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$$ LANGUAGE plpythonu;
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CREATE OR REPLACE FUNCTION
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cdb_crankshaft._cdb_random_seeds (seed_value INTEGER) RETURNS VOID
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AS $$
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plpy.execute('SELECT cdb_crankshaft._cdb_crankshaft_activate_py()')
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from crankshaft import random_seeds
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random_seeds.set_random_seeds(seed_value)
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$$ LANGUAGE plpythonu;
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-- Moran's I
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CREATE OR REPLACE FUNCTION
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cdb_crankshaft.cdb_moran_local (
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t TEXT,
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attr TEXT,
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significance float DEFAULT 0.05,
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num_ngbrs INT DEFAULT 5,
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permutations INT DEFAULT 99,
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geom_column TEXT DEFAULT 'the_geom',
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id_col TEXT DEFAULT 'cartodb_id',
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w_type TEXT DEFAULT 'knn')
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RETURNS TABLE (moran FLOAT, quads TEXT, significance FLOAT, ids INT)
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AS $$
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plpy.execute('SELECT cdb_crankshaft._cdb_crankshaft_activate_py()')
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from crankshaft.clustering import moran_local
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# TODO: use named parameters or a dictionary
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return moran_local(t, attr, significance, num_ngbrs, permutations, geom_column, id_col, w_type)
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$$ LANGUAGE plpythonu;
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CREATE OR REPLACE FUNCTION
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cdb_crankshaft.cdb_moran_local_rate(t TEXT,
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numerator TEXT,
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denominator TEXT,
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significance FLOAT DEFAULT 0.05,
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num_ngbrs INT DEFAULT 5,
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permutations INT DEFAULT 99,
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geom_column TEXT DEFAULT 'the_geom',
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id_col TEXT DEFAULT 'cartodb_id',
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w_type TEXT DEFAULT 'knn')
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RETURNS TABLE(moran FLOAT, quads TEXT, significance FLOAT, ids INT, y numeric)
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AS $$
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plpy.execute('SELECT cdb_crankshaft._cdb_crankshaft_activate_py()')
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from crankshaft.clustering import moran_local_rate
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# TODO: use named parameters or a dictionary
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return moran_local_rate(t, numerator, denominator, significance, num_ngbrs, permutations, geom_column, id_col, w_type)
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$$ LANGUAGE plpythonu;
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