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Factored out per-model index generation code. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3890 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Russell Keith-Magee 2006-10-03 13:05:10 +00:00
parent 67eabb9299
commit d886e71f2b
1 changed files with 19 additions and 12 deletions
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31
django/core/management.py
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@ -398,24 +398,31 @@ get_sql_sequence_reset.args = APP_ARGS
def get_sql_indexes(app): def get_sql_indexes(app):
"Returns a list of the CREATE INDEX SQL statements for the given app." "Returns a list of the CREATE INDEX SQL statements for the given app."
from django.db import backend, models from django.db import models
output = [] output = []
for model in models.get_models(app): for model in models.get_models(app):
for f in model._meta.fields: output.extend(_get_sql_index(model))
if f.db_index:
unique = f.unique and 'UNIQUE ' or ''
output.append(
style.SQL_KEYWORD('CREATE %sINDEX' % unique) + ' ' + \
style.SQL_TABLE('%s_%s' % (model._meta.db_table, f.column)) + ' ' + \
style.SQL_KEYWORD('ON') + ' ' + \
style.SQL_TABLE(backend.quote_name(model._meta.db_table)) + ' ' + \
"(%s);" % style.SQL_FIELD(backend.quote_name(f.column))
)
return output return output
get_sql_indexes.help_doc = "Prints the CREATE INDEX SQL statements for the given model module name(s)." get_sql_indexes.help_doc = "Prints the CREATE INDEX SQL statements for the given model module name(s)."
get_sql_indexes.args = APP_ARGS get_sql_indexes.args = APP_ARGS
def _get_sql_index(model):
"Returns the CREATE INDEX SQL statements for a specific model"
from django.db import backend
output = []
for f in model._meta.fields:
if f.db_index:
unique = f.unique and 'UNIQUE ' or ''
output.append(
style.SQL_KEYWORD('CREATE %sINDEX' % unique) + ' ' + \
style.SQL_TABLE('%s_%s' % (model._meta.db_table, f.column)) + ' ' + \
style.SQL_KEYWORD('ON') + ' ' + \
style.SQL_TABLE(backend.quote_name(model._meta.db_table)) + ' ' + \
"(%s);" % style.SQL_FIELD(backend.quote_name(f.column))
)
return output
def get_sql_all(app): def get_sql_all(app):
"Returns a list of CREATE TABLE SQL, initial-data inserts, and CREATE INDEX SQL for the given module." "Returns a list of CREATE TABLE SQL, initial-data inserts, and CREATE INDEX SQL for the given module."
return get_sql_create(app) + get_sql_initial_data(app) + get_sql_indexes(app) return get_sql_create(app) + get_sql_initial_data(app) + get_sql_indexes(app)