morro

2010-05-07 17:33:49 +00:00
parent c7c7498f19
commit cae7e001e3
127 changed files with 57530 additions and 0 deletions
--- a/sqlalchemy/dialects/mssql/information_schema.py
+++ b/sqlalchemy/dialects/mssql/information_schema.py
@@ -0,0 +1,83 @@
+from sqlalchemy import Table, MetaData, Column, ForeignKey
+from sqlalchemy.types import String, Unicode, Integer, TypeDecorator
+
+ischema = MetaData()
+
+class CoerceUnicode(TypeDecorator):
+    impl = Unicode
+    
+    def process_bind_param(self, value, dialect):
+        if isinstance(value, str):
+            value = value.decode(dialect.encoding)
+        return value
+    
+schemata = Table("SCHEMATA", ischema,
+    Column("CATALOG_NAME", CoerceUnicode, key="catalog_name"),
+    Column("SCHEMA_NAME", CoerceUnicode, key="schema_name"),
+    Column("SCHEMA_OWNER", CoerceUnicode, key="schema_owner"),
+    schema="INFORMATION_SCHEMA")
+
+tables = Table("TABLES", ischema,
+    Column("TABLE_CATALOG", CoerceUnicode, key="table_catalog"),
+    Column("TABLE_SCHEMA", CoerceUnicode, key="table_schema"),
+    Column("TABLE_NAME", CoerceUnicode, key="table_name"),
+    Column("TABLE_TYPE", String(convert_unicode=True), key="table_type"),
+    schema="INFORMATION_SCHEMA")
+
+columns = Table("COLUMNS", ischema,
+    Column("TABLE_SCHEMA", CoerceUnicode, key="table_schema"),
+    Column("TABLE_NAME", CoerceUnicode, key="table_name"),
+    Column("COLUMN_NAME", CoerceUnicode, key="column_name"),
+    Column("IS_NULLABLE", Integer, key="is_nullable"),
+    Column("DATA_TYPE", String, key="data_type"),
+    Column("ORDINAL_POSITION", Integer, key="ordinal_position"),
+    Column("CHARACTER_MAXIMUM_LENGTH", Integer, key="character_maximum_length"),
+    Column("NUMERIC_PRECISION", Integer, key="numeric_precision"),
+    Column("NUMERIC_SCALE", Integer, key="numeric_scale"),
+    Column("COLUMN_DEFAULT", Integer, key="column_default"),
+    Column("COLLATION_NAME", String, key="collation_name"),
+    schema="INFORMATION_SCHEMA")
+
+constraints = Table("TABLE_CONSTRAINTS", ischema,
+    Column("TABLE_SCHEMA", CoerceUnicode, key="table_schema"),
+    Column("TABLE_NAME", CoerceUnicode, key="table_name"),
+    Column("CONSTRAINT_NAME", CoerceUnicode, key="constraint_name"),
+    Column("CONSTRAINT_TYPE", String(convert_unicode=True), key="constraint_type"),
+    schema="INFORMATION_SCHEMA")
+
+column_constraints = Table("CONSTRAINT_COLUMN_USAGE", ischema,
+    Column("TABLE_SCHEMA", CoerceUnicode, key="table_schema"),
+    Column("TABLE_NAME", CoerceUnicode, key="table_name"),
+    Column("COLUMN_NAME", CoerceUnicode, key="column_name"),
+    Column("CONSTRAINT_NAME", CoerceUnicode, key="constraint_name"),
+    schema="INFORMATION_SCHEMA")
+
+key_constraints = Table("KEY_COLUMN_USAGE", ischema,
+    Column("TABLE_SCHEMA", CoerceUnicode, key="table_schema"),
+    Column("TABLE_NAME", CoerceUnicode, key="table_name"),
+    Column("COLUMN_NAME", CoerceUnicode, key="column_name"),
+    Column("CONSTRAINT_NAME", CoerceUnicode, key="constraint_name"),
+    Column("ORDINAL_POSITION", Integer, key="ordinal_position"),
+    schema="INFORMATION_SCHEMA")
+
+ref_constraints = Table("REFERENTIAL_CONSTRAINTS", ischema,
+    Column("CONSTRAINT_CATALOG", CoerceUnicode, key="constraint_catalog"),
+    Column("CONSTRAINT_SCHEMA", CoerceUnicode, key="constraint_schema"),
+    Column("CONSTRAINT_NAME", CoerceUnicode, key="constraint_name"),
+    Column("UNIQUE_CONSTRAINT_CATLOG", CoerceUnicode, key="unique_constraint_catalog"),  # TODO: is CATLOG misspelled ?
+    Column("UNIQUE_CONSTRAINT_SCHEMA", CoerceUnicode, key="unique_constraint_schema"),
+    Column("UNIQUE_CONSTRAINT_NAME", CoerceUnicode, key="unique_constraint_name"),
+    Column("MATCH_OPTION", String, key="match_option"),
+    Column("UPDATE_RULE", String, key="update_rule"),
+    Column("DELETE_RULE", String, key="delete_rule"),
+    schema="INFORMATION_SCHEMA")
+
+views = Table("VIEWS", ischema,
+    Column("TABLE_CATALOG", CoerceUnicode, key="table_catalog"),
+    Column("TABLE_SCHEMA", CoerceUnicode, key="table_schema"),
+    Column("TABLE_NAME", CoerceUnicode, key="table_name"),
+    Column("VIEW_DEFINITION", CoerceUnicode, key="view_definition"),
+    Column("CHECK_OPTION", String, key="check_option"),
+    Column("IS_UPDATABLE", String, key="is_updatable"),
+    schema="INFORMATION_SCHEMA")
+