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Code Issues 32 Releases Wiki Activity

magic-removal: Fixed d.core.management to use backend.quote_name instead of db.db.quote_name, and connection instead of db.db

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git-svn-id: http://code.djangoproject.com/svn/django/branches/magic-removal@1706 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2005-12-16 22:36:14 +00:00
parent 1fbf03112f
commit 491d0f0d4b
1 changed files with 12 additions and 14 deletions
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26
django/core/management.py
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@ -65,7 +65,7 @@ def get_sql_create(mod):
data_types = get_creation_module().DATA_TYPES data_types = get_creation_module().DATA_TYPES
final_output = [] final_output = []
opts_output = set() opts_output = set()
pending_references = {} pending_references = {}
for klass in mod._MODELS: for klass in mod._MODELS:
opts = klass._meta opts = klass._meta
table_output = [] table_output = []
@ -87,8 +87,8 @@ def get_sql_create(mod):
if f.rel: if f.rel:
if f.rel.to in opts_output: if f.rel.to in opts_output:
field_output.append('REFERENCES %s (%s)' % \ field_output.append('REFERENCES %s (%s)' % \
(db.db.quote_name(f.rel.to._meta.db_table), (backend.quote_name(f.rel.to._meta.db_table),
db.db.quote_name(f.rel.to._meta.get_field(f.rel.field_name).column))) backend.quote_name(f.rel.to._meta.get_field(f.rel.field_name).column)))
else: else:
pr = pending_references.setdefault(f.rel.to._meta, []).append( (opts, f) ) pr = pending_references.setdefault(f.rel.to._meta, []).append( (opts, f) )
table_output.append(' '.join(field_output)) table_output.append(' '.join(field_output))
@ -110,7 +110,7 @@ def get_sql_create(mod):
table = opts.db_table table = opts.db_table
col = opts.get_field(f.rel.field_name).column col = opts.get_field(f.rel.field_name).column
final_output.append( 'ALTER TABLE %s ADD CONSTRAINT %s FOREIGN KEY (%s) REFERENCES %s (%s);' % \ final_output.append( 'ALTER TABLE %s ADD CONSTRAINT %s FOREIGN KEY (%s) REFERENCES %s (%s);' % \
(backend.quote_name(r_table), (backend.quote_name(r_table),
backend.quote_name("%s_referencing_%s_%s" % (r_col,table,col)), backend.quote_name("%s_referencing_%s_%s" % (r_col,table,col)),
backend.quote_name(r_col), backend.quote_name(table),backend.quote_name(col)) backend.quote_name(r_col), backend.quote_name(table),backend.quote_name(col))
) )
@ -167,7 +167,7 @@ def get_sql_delete(mod):
# Output DROP TABLE statements for standard application tables. # Output DROP TABLE statements for standard application tables.
to_delete = set() to_delete = set()
references_to_delete = {} references_to_delete = {}
for klass in mod._MODELS: for klass in mod._MODELS:
try: try:
@ -186,28 +186,26 @@ def get_sql_delete(mod):
references_to_delete[f.rel.to] = refs references_to_delete[f.rel.to] = refs
to_delete.add(opts) to_delete.add(opts)
for klass in mod._MODELS: for klass in mod._MODELS:
try: try:
if cursor is not None: if cursor is not None:
# Check whether the table exists. # Check whether the table exists.
cursor.execute("SELECT 1 FROM %s LIMIT 1" % db.db.quote_name(klass._meta.db_table)) cursor.execute("SELECT 1 FROM %s LIMIT 1" % backend.quote_name(klass._meta.db_table))
except: except:
# The table doesn't exist, so it doesn't need to be dropped. # The table doesn't exist, so it doesn't need to be dropped.
db.db.rollback() connection.rollback()
else: else:
output.append("DROP TABLE %s;" % db.db.quote_name(klass._meta.db_table)) output.append("DROP TABLE %s;" % backend.quote_name(klass._meta.db_table))
if references_to_delete.has_key(klass._meta): if references_to_delete.has_key(klass._meta):
for opts, f in references_to_delete[klass._meta]: for opts, f in references_to_delete[klass._meta]:
col = f.column col = f.column
table = opts.db_table table = opts.db_table
r_table = f.rel.to._meta.db_table r_table = f.rel.to._meta.db_table
r_col = f.rel.to.get_field(f.rel.field_name).column r_col = f.rel.to.get_field(f.rel.field_name).column
output.append('ALTER TABLE %s DROP CONSTRAINT %s;' % \
output.append( 'ALTER TABLE %s DROP CONSTRAINT %s;' % \ (backend.quote_name(table),
(db.db.quote_name(table), backend.quote_name("%s_referencing_%s_%s" % (col,r_table,r_col))))
db.db.quote_name("%s_referencing_%s_%s" % (col,r_table,r_col))
))
# Output DROP TABLE statements for many-to-many tables. # Output DROP TABLE statements for many-to-many tables.
for klass in mod._MODELS: for klass in mod._MODELS: