def _partitioned_by(self):
if self.partition is not None:
return 'PARTITIONED BY ({})'.format(
', '.join(
quote_identifier(expr._name) for expr in self.partition
)
)
return None
def compile(self):
name = quote_identifier(self.name)
create_decl = 'CREATE DATABASE'
create_line = '{} {}{}'.format(create_decl, self._if_exists(), name)
if self.path is not None:
create_line += "\nLOCATION '{}'".format(self.path)
return create_line
def _table_column(translator, expr):
op = expr.op()
field_name = op.name
quoted_name = quote_identifier(field_name, force=True)
table = op.table
ctx = translator.context
# If the column does not originate from the table set in the current SELECT
# context, we should format as a subquery
if translator.permit_subquery and ctx.is_foreign_expr(table):
proj_expr = table.projection([field_name]).to_array()
return _table_array_view(translator, proj_expr)
if ctx.need_aliases():
alias = ctx.get_ref(table)
if alias is not None:
quoted_name = '{}.{}'.format(alias, quoted_name)
return quoted_name
def _quote_identifier(self, name):
return quote_identifier(name)
def _format_schema_element(name, t):
return '{} {}'.format(
quote_identifier(name, force=True), type_to_sql_string(t),
)
def name(self, translated, name, force=True):
"""Return expression with its identifier."""
return self._name_expr(translated, quote_identifier(name, force=force))