def process_rhs(self, compiler, connection): value = self.rhs if self.bilateral_transforms: if self.rhs_is_direct_value(): # Do not call get_db_prep_lookup here as the value will be # transformed before being used for lookup value = Value(value, output_field=self.lhs.output_field) value = self.apply_bilateral_transforms(value) value = value.resolve_expression(compiler.query)
def process_rhs(self, compiler, connection): value = self.rhs if self.bilateral_transforms: if self.rhs_is_direct_value(): # Do not call get_db_prep_lookup here as the value will be # transformed before being used for lookup value = Value(value, output_field=self.lhs.output_field) value = self.apply_bilateral_transforms(value) value = value.resolve_expression(compiler.query) if hasattr(value, 'as_sql'): return compiler.compile(value) else: return self.get_db_prep_lookup(value, connection)
def process_rhs(self, compiler, connection): value = self.rhs if self.bilateral_transforms: if self.rhs_is_direct_value(): # Do not call get_db_prep_lookup here as the value will be # transformed before being used for lookup value = Value(value, output_field=self.lhs.output_field) value = self.apply_bilateral_transforms(value) value = value.resolve_expression(compiler.query) if hasattr(value, 'as_sql'): sql, params = compiler.compile(value) return '(' + sql + ')', params else: return self.get_db_prep_lookup(value, connection)
def batch_process_rhs(self, compiler, connection, rhs=None): if rhs is None: rhs = self.rhs if self.bilateral_transforms: sqls, sqls_params = [], [] for p in rhs: value = Value(p, output_field=self.lhs.output_field) value = self.apply_bilateral_transforms(value) value = value.resolve_expression(compiler.query) sql, sql_params = compiler.compile(value) sqls.append(sql) sqls_params.extend(sql_params) else: _, params = self.get_db_prep_lookup(rhs, connection) sqls, sqls_params = ['%s'] * len(params), params return sqls, sqls_params
def batch_process_rhs(self, compiler, connection, rhs=None): if rhs is None: rhs = self.rhs if self.bilateral_transforms: sqls, sqls_params = [], [] for p in rhs: value = Value(p, output_field=self.lhs.output_field) value = self.apply_bilateral_transforms(value) value = value.resolve_expression(compiler.query) sql, sql_params = compiler.compile(value) sqls.append(sql) sqls_params.extend(sql_params) else: _, params = self.get_db_prep_lookup(rhs, connection) sqls, sqls_params = ['%s'] * len(params), params return sqls, sqls_params
def process_rhs(self, compiler, connection): value = self.rhs if self.bilateral_transforms: if self.rhs_is_direct_value(): # Do not call get_db_prep_lookup here as the value will be # transformed before being used for lookup value = Value(value, output_field=self.lhs.output_field) value = self.apply_bilateral_transforms(value) value = value.resolve_expression(compiler.query) if hasattr(value, 'as_sql'): sql, params = compiler.compile(value) # Ensure expression is wrapped in parentheses to respect operator # precedence but avoid double wrapping as it can be misinterpreted # on some backends (e.g. subqueries on SQLite). if sql and sql[0] != '(': sql = '(%s)' % sql return sql, params else: return self.get_db_prep_lookup(value, connection)
def process_rhs(self, compiler, connection): value = self.rhs if self.bilateral_transforms: if self.rhs_is_direct_value(): # Do not call get_db_prep_lookup here as the value will be # transformed before being used for lookup value = Value(value, output_field=self.lhs.output_field) value = self.apply_bilateral_transforms(value) value = value.resolve_expression(compiler.query) # Due to historical reasons there are a couple of different # ways to produce sql here. get_compiler is likely a Query # instance and as_sql just something with as_sql. Finally the value # can of course be just plain Python value. if hasattr(value, 'get_compiler'): value = value.get_compiler(connection=connection) if hasattr(value, 'as_sql'): sql, params = compiler.compile(value) return '(' + sql + ')', params else: return self.get_db_prep_lookup(value, connection)
def process_rhs(self, compiler, connection): value = self.rhs if self.bilateral_transforms: if self.rhs_is_direct_value(): # Do not call get_db_prep_lookup here as the value will be # transformed before being used for lookup value = Value(value, output_field=self.lhs.output_field) value = self.apply_bilateral_transforms(value) value = value.resolve_expression(compiler.query) # Due to historical reasons there are a couple of different # ways to produce sql here. get_compiler is likely a Query # instance and as_sql just something with as_sql. Finally the value # can of course be just plain Python value. if hasattr(value, 'get_compiler'): value = value.get_compiler(connection=connection) if hasattr(value, 'as_sql'): sql, params = compiler.compile(value) return '(' + sql + ')', params else: return self.get_db_prep_lookup(value, connection)
from copy import copy