Merge pull request #846 from niphlod/enhancement/repr_cache

caches recursive selects for references
This commit is contained in:
mdipierro
2015-03-11 18:31:30 -05:00
+39 -8
View File
@@ -2627,6 +2627,7 @@ class SQLFORM(FORM):
htmltable = TABLE(COLGROUP(*cols), THEAD(head))
tbody = TBODY()
numrec = 0
repr_cache = {}
for row in rows:
trcols = []
id = row[field_id]
@@ -2642,14 +2643,31 @@ class SQLFORM(FORM):
value = row[str(field)]
maxlength = maxtextlengths.get(str(field), maxtextlength)
if field.represent:
try:
value = field.represent(value, row)
except KeyError:
if field.type.startswith('reference'):
if field not in repr_cache:
repr_cache[field] = {}
try:
value = field.represent(
value, row[field.tablename])
nvalue = repr_cache[field][value]
except KeyError:
pass
try:
nvalue = field.represent(value, row)
except KeyError:
try:
nvalue = field.represent(
value, row[field.tablename])
except KeyError:
nvalue = None
repr_cache[field][value] = nvalue
else:
try:
nvalue = field.represent(value, row)
except KeyError:
try:
nvalue = field.represent(
value, row[field.tablename])
except KeyError:
nvalue = None
value = nvalue
elif field.type == 'boolean':
value = INPUT(_type="checkbox", _checked=value,
_disabled=True)
@@ -3119,6 +3137,7 @@ class SQLTABLE(TABLE):
components.append(THEAD(TR(*row)))
tbody = []
repr_cache = {}
for (rc, record) in enumerate(sqlrows):
row = []
if rc % 2 == 1:
@@ -3177,7 +3196,11 @@ class SQLTABLE(TABLE):
href = '%s/%s?%s' % (linkto, tref, urllib.urlencode({fref: r}))
r = A(represent(field, r, record), _href=str(href))
elif field.represent:
r = represent(field, r, record)
if field not in repr_cache:
repr_cache[field] = {}
if r not in repr_cache[field]:
repr_cache[field][r] = represent(field, r, record)
r = repr_cache[field][r]
elif linkto and hasattr(field._table, '_primarykey')\
and fieldname in field._table._primarykey:
# have to test this with multi-key tables
@@ -3294,6 +3317,7 @@ class ExportClass(object):
return value
represented = []
repr_cache = {}
for record in self.rows:
row = []
for col in self.rows.colnames:
@@ -3309,7 +3333,14 @@ class ExportClass(object):
if field.type == 'blob' and value is not None:
value = ''
elif field.represent:
value = field.represent(value, record)
if field.type.startswith('reference'):
if field not in repr_cache:
repr_cache[field] = {}
if value not in repr_cache[field]:
repr_cache[field][value] = field.represent(value, record)
value = repr_cache[field][value]
else:
value = field.represent(value, record)
row.append(none_exception(value))
represented.append(row)