wassname/catalyst
1
0
Fork 0
mirror of https://github.com/wassname/catalyst.git synced 2026-07-18 12:20:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

DOC: Adds schema update notes to assets db

Browse Source
This commit is contained in:
jfkirk
2016-01-05 13:48:00 -05:00
parent 004c8dc141
commit 468ecc357c
1 changed files with 14 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
zipline/assets/asset_db_schema.py
+14 -6
View File
@@ -1,7 +1,14 @@
import sqlalchemy as sa
# Define a version number for the database generated by these writers
# Increment this version number any time a change is made to the schema of the
# assets database
ASSET_DB_VERSION = 0
def generate_asset_db_metadata(bind=None):
# NOTE: When modifying this schema, update the ASSET_DB_VERSION value
metadata = sa.MetaData(bind=bind)
_version_table_schema(metadata)
_equities_table_schema(metadata)
@@ -12,19 +19,15 @@ def generate_asset_db_metadata(bind=None):
return metadata
# Define a version number for the database generated by these writers
# Increment this version number any time a breaking change is made to the
# schema and readers of the database
ASSET_DB_VERSION = 0
# A list of the names of all tables in the assets db
# NOTE: When modifying this schema, update the ASSET_DB_VERSION value
asset_db_table_names = ['version_info', 'equities', 'futures_exchanges',
'futures_root_symbols', 'futures_contracts',
'asset_router']
def _equities_table_schema(metadata):
# NOTE: When modifying this schema, update the ASSET_DB_VERSION value
return sa.Table(
'equities',
metadata,
@@ -48,6 +51,7 @@ def _equities_table_schema(metadata):
def _futures_exchanges_schema(metadata):
# NOTE: When modifying this schema, update the ASSET_DB_VERSION value
return sa.Table(
'futures_exchanges',
metadata,
@@ -63,6 +67,7 @@ def _futures_exchanges_schema(metadata):
def _futures_root_symbols_schema(metadata):
# NOTE: When modifying this schema, update the ASSET_DB_VERSION value
return sa.Table(
'futures_root_symbols',
metadata,
@@ -85,6 +90,7 @@ def _futures_root_symbols_schema(metadata):
def _futures_contracts_schema(metadata):
# NOTE: When modifying this schema, update the ASSET_DB_VERSION value
return sa.Table(
'futures_contracts',
metadata,
@@ -119,6 +125,7 @@ def _futures_contracts_schema(metadata):
def _asset_router_schema(metadata):
# NOTE: When modifying this schema, update the ASSET_DB_VERSION value
return sa.Table(
'asset_router',
metadata,
@@ -133,6 +140,7 @@ def _asset_router_schema(metadata):
def _version_table_schema(metadata):
# NOTE: When modifying this schema, update the ASSET_DB_VERSION value
return sa.Table(
'version_info',
metadata,