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restructure to accom list of time columns

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This commit is contained in:
Andy Eschbacher 2016-03-31 09:27:37 -04:00
parent 7695102500
commit 6165d5e61e
1 changed files with 44 additions and 14 deletions
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52
src/py/crankshaft/crankshaft/pysal_utils/pysal_utils.py
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@ -41,32 +41,62 @@ def query_attr_select(params):
table name, etc.)
"""
attrs = [k for k in params
if k not in ('id_col', 'geom_col', 'subquery', 'num_ngbrs')]
template = "i.\"{%(col)s}\"::numeric As attr%(alias_num)s, "
attr_string = ""
template = "i.\"%(col)s\"::numeric As attr%(alias_num)s, "
if 'time_cols' in params:
## if markov analysis
attrs = params['time_cols']
for idx, val in enumerate(attrs):
attr_string += template % {"col": val, "alias_num": idx + 1}
else:
## if moran's analysis
attrs = [k for k in params
if k not in ('id_col', 'geom_col', 'subquery', 'num_ngbrs', 'subquery')]
for idx, val in enumerate(sorted(attrs)):
attr_string += template % {"col": val, "alias_num": idx + 1}
attr_string += template % {"col": params[val], "alias_num": idx + 1}
return attr_string
def query_attr_where(params):
"""
Construct where conditions when building neighbors query
Create portion of WHERE clauses for weeding out NULL-valued geometries
Input: dict of params:
{'subquery': ...,
'numerator': 'data1',
'denominator': 'data2',
'': ...}
Output: 'idx_replace."data1" IS NOT NULL AND idx_replace."data2" IS NOT NULL'
Input:
{'subquery': ...,
'time_cols': ['time1', 'time2', 'time3'],
'etc': ...}
Output: 'idx_replace."time1" IS NOT NULL AND idx_replace."time2" IS NOT NULL AND idx_replace."time3" IS NOT NULL'
"""
attrs = sorted([k for k in params
if k not in ('id_col', 'geom_col', 'subquery', 'num_ngbrs')])
attr_string = []
template = "idx_replace.\"%s\" IS NOT NULL"
if 'time_cols' in params:
## markov where clauses
attrs = params['time_cols']
# add values to template
for attr in attrs:
attr_string.append("idx_replace.\"{%s}\" IS NOT NULL" % attr)
attr_string.append(template % attr)
else:
## moran where clauses
# get keys
attrs = sorted([k for k in params
if k not in ('id_col', 'geom_col', 'subquery', 'num_ngbrs', 'subquery')])
# add values to template
for attr in attrs:
attr_string.append(template % params[attr])
if len(attrs) == 2:
attr_string.append("idx_replace.\"{%s}\" <> 0" % attrs[1])
attr_string.append("idx_replace.\"%s\" <> 0" % params[attrs[1]])
out = " AND ".join(attr_string)