Python sqlalchemy.sql.expression 模块，_UnaryExpression() 实例源码

我们从Python开源项目中，提取了以下10个代码示例，用于说明如何使用sqlalchemy.sql.expression._UnaryExpression()。

项目：Flask_Blog 作者：sugarguo | 项目源码 | 文件源码

def correct_for_autogen_constraints(self, conn_unique_constraints,
                                        conn_indexes,
                                        metadata_unique_constraints,
                                        metadata_indexes):
        conn_uniques_by_name = dict(
            (c.name, c) for c in conn_unique_constraints)
        conn_indexes_by_name = dict(
            (c.name, c) for c in conn_indexes)

        # TODO: if SQLA 1.0, make use of "duplicates_constraint"
        # metadata
        doubled_constraints = dict(
            (name, (conn_uniques_by_name[name], conn_indexes_by_name[name]))
            for name in set(conn_uniques_by_name).intersection(
                conn_indexes_by_name)
        )
        for name, (uq, ix) in doubled_constraints.items():
            conn_indexes.remove(ix)

        for idx in list(metadata_indexes):
            if idx.name in conn_indexes_by_name:
                continue
            if compat.sqla_08:
                exprs = idx.expressions
            else:
                exprs = idx.columns
            for expr in exprs:
                if not isinstance(expr, (Column, UnaryExpression)):
                    util.warn(
                        "autogenerate skipping functional index %s; "
                        "not supported by SQLAlchemy reflection" % idx.name
                    )
                    metadata_indexes.discard(idx)

项目：chihu 作者：yelongyu | 项目源码 | 文件源码

def correct_for_autogen_constraints(self, conn_unique_constraints,
                                        conn_indexes,
                                        metadata_unique_constraints,
                                        metadata_indexes):
        conn_uniques_by_name = dict(
            (c.name, c) for c in conn_unique_constraints)
        conn_indexes_by_name = dict(
            (c.name, c) for c in conn_indexes)

        # TODO: if SQLA 1.0, make use of "duplicates_constraint"
        # metadata
        doubled_constraints = dict(
            (name, (conn_uniques_by_name[name], conn_indexes_by_name[name]))
            for name in set(conn_uniques_by_name).intersection(
                conn_indexes_by_name)
        )
        for name, (uq, ix) in doubled_constraints.items():
            conn_indexes.remove(ix)

        for idx in list(metadata_indexes):
            if idx.name in conn_indexes_by_name:
                continue
            if compat.sqla_08:
                exprs = idx.expressions
            else:
                exprs = idx.columns
            for expr in exprs:
                if not isinstance(expr, (Column, UnaryExpression)):
                    util.warn(
                        "autogenerate skipping functional index %s; "
                        "not supported by SQLAlchemy reflection" % idx.name
                    )
                    metadata_indexes.discard(idx)

项目：ShelbySearch 作者：Agentscreech | 项目源码 | 文件源码

def correct_for_autogen_constraints(self, conn_unique_constraints,
                                        conn_indexes,
                                        metadata_unique_constraints,
                                        metadata_indexes):
        conn_uniques_by_name = dict(
            (c.name, c) for c in conn_unique_constraints)
        conn_indexes_by_name = dict(
            (c.name, c) for c in conn_indexes)

        # TODO: if SQLA 1.0, make use of "duplicates_constraint"
        # metadata
        doubled_constraints = dict(
            (name, (conn_uniques_by_name[name], conn_indexes_by_name[name]))
            for name in set(conn_uniques_by_name).intersection(
                conn_indexes_by_name)
        )
        for name, (uq, ix) in doubled_constraints.items():
            conn_indexes.remove(ix)

        for idx in list(metadata_indexes):
            if idx.name in conn_indexes_by_name:
                continue
            if util.sqla_08:
                exprs = idx.expressions
            else:
                exprs = idx.columns
            for expr in exprs:
                while isinstance(expr, UnaryExpression):
                    expr = expr.element
                if not isinstance(expr, Column):
                    util.warn(
                        "autogenerate skipping functional index %s; "
                        "not supported by SQLAlchemy reflection" % idx.name
                    )
                    metadata_indexes.discard(idx)

项目：Price-Comparator 作者：Thejas-1 | 项目源码 | 文件源码

def correct_for_autogen_constraints(self, conn_unique_constraints,
                                        conn_indexes,
                                        metadata_unique_constraints,
                                        metadata_indexes):
        conn_uniques_by_name = dict(
            (c.name, c) for c in conn_unique_constraints)
        conn_indexes_by_name = dict(
            (c.name, c) for c in conn_indexes)

        # TODO: if SQLA 1.0, make use of "duplicates_constraint"
        # metadata
        doubled_constraints = dict(
            (name, (conn_uniques_by_name[name], conn_indexes_by_name[name]))
            for name in set(conn_uniques_by_name).intersection(
                conn_indexes_by_name)
        )
        for name, (uq, ix) in doubled_constraints.items():
            conn_indexes.remove(ix)

        for idx in list(metadata_indexes):
            if idx.name in conn_indexes_by_name:
                continue
            if compat.sqla_08:
                exprs = idx.expressions
            else:
                exprs = idx.columns
            for expr in exprs:
                if not isinstance(expr, (Column, UnaryExpression)):
                    util.warn(
                        "autogenerate skipping functional index %s; "
                        "not supported by SQLAlchemy reflection" % idx.name
                    )
                    metadata_indexes.discard(idx)

项目：Callandtext 作者：iaora | 项目源码 | 文件源码

def correct_for_autogen_constraints(self, conn_unique_constraints,
                                        conn_indexes,
                                        metadata_unique_constraints,
                                        metadata_indexes):
        conn_uniques_by_name = dict(
            (c.name, c) for c in conn_unique_constraints)
        conn_indexes_by_name = dict(
            (c.name, c) for c in conn_indexes)

        # TODO: if SQLA 1.0, make use of "duplicates_constraint"
        # metadata
        doubled_constraints = dict(
            (name, (conn_uniques_by_name[name], conn_indexes_by_name[name]))
            for name in set(conn_uniques_by_name).intersection(
                conn_indexes_by_name)
        )
        for name, (uq, ix) in doubled_constraints.items():
            conn_indexes.remove(ix)

        for idx in list(metadata_indexes):
            if idx.name in conn_indexes_by_name:
                continue
            if compat.sqla_08:
                exprs = idx.expressions
            else:
                exprs = idx.columns
            for expr in exprs:
                if not isinstance(expr, (Column, UnaryExpression)):
                    util.warn(
                        "autogenerate skipping functional index %s; "
                        "not supported by SQLAlchemy reflection" % idx.name
                    )
                    metadata_indexes.discard(idx)

项目：webapp 作者：superchilli | 项目源码 | 文件源码

def correct_for_autogen_constraints(self, conn_unique_constraints,
                                        conn_indexes,
                                        metadata_unique_constraints,
                                        metadata_indexes):
        conn_uniques_by_name = dict(
            (c.name, c) for c in conn_unique_constraints)
        conn_indexes_by_name = dict(
            (c.name, c) for c in conn_indexes)

        # TODO: if SQLA 1.0, make use of "duplicates_constraint"
        # metadata
        doubled_constraints = dict(
            (name, (conn_uniques_by_name[name], conn_indexes_by_name[name]))
            for name in set(conn_uniques_by_name).intersection(
                conn_indexes_by_name)
        )
        for name, (uq, ix) in doubled_constraints.items():
            conn_indexes.remove(ix)

        for idx in list(metadata_indexes):
            if idx.name in conn_indexes_by_name:
                continue
            if compat.sqla_08:
                exprs = idx.expressions
            else:
                exprs = idx.columns
            for expr in exprs:
                while isinstance(expr, UnaryExpression):
                    expr = expr.element
                if not isinstance(expr, Column):
                    util.warn(
                        "autogenerate skipping functional index %s; "
                        "not supported by SQLAlchemy reflection" % idx.name
                    )
                    metadata_indexes.discard(idx)

项目：QualquerMerdaAPI 作者：tiagovizoto | 项目源码 | 文件源码

def correct_for_autogen_constraints(self, conn_unique_constraints,
                                        conn_indexes,
                                        metadata_unique_constraints,
                                        metadata_indexes):
        conn_uniques_by_name = dict(
            (c.name, c) for c in conn_unique_constraints)
        conn_indexes_by_name = dict(
            (c.name, c) for c in conn_indexes)

        # TODO: if SQLA 1.0, make use of "duplicates_constraint"
        # metadata
        doubled_constraints = dict(
            (name, (conn_uniques_by_name[name], conn_indexes_by_name[name]))
            for name in set(conn_uniques_by_name).intersection(
                conn_indexes_by_name)
        )
        for name, (uq, ix) in doubled_constraints.items():
            conn_indexes.remove(ix)

        for idx in list(metadata_indexes):
            if idx.name in conn_indexes_by_name:
                continue
            if util.sqla_08:
                exprs = idx.expressions
            else:
                exprs = idx.columns
            for expr in exprs:
                while isinstance(expr, UnaryExpression):
                    expr = expr.element
                if not isinstance(expr, Column):
                    util.warn(
                        "autogenerate skipping functional index %s; "
                        "not supported by SQLAlchemy reflection" % idx.name
                    )
                    metadata_indexes.discard(idx)

项目：gardenbot 作者：GoestaO | 项目源码 | 文件源码

def correct_for_autogen_constraints(self, conn_unique_constraints,
                                        conn_indexes,
                                        metadata_unique_constraints,
                                        metadata_indexes):
        conn_uniques_by_name = dict(
            (c.name, c) for c in conn_unique_constraints)
        conn_indexes_by_name = dict(
            (c.name, c) for c in conn_indexes)

        # TODO: if SQLA 1.0, make use of "duplicates_constraint"
        # metadata
        doubled_constraints = dict(
            (name, (conn_uniques_by_name[name], conn_indexes_by_name[name]))
            for name in set(conn_uniques_by_name).intersection(
                conn_indexes_by_name)
        )
        for name, (uq, ix) in doubled_constraints.items():
            conn_indexes.remove(ix)

        for idx in list(metadata_indexes):
            if idx.name in conn_indexes_by_name:
                continue
            if util.sqla_08:
                exprs = idx.expressions
            else:
                exprs = idx.columns
            for expr in exprs:
                while isinstance(expr, UnaryExpression):
                    expr = expr.element
                if not isinstance(expr, Column):
                    util.warn(
                        "autogenerate skipping functional index %s; "
                        "not supported by SQLAlchemy reflection" % idx.name
                    )
                    metadata_indexes.discard(idx)

项目：flask-zhenai-mongo-echarts 作者：Fretice | 项目源码 | 文件源码

def correct_for_autogen_constraints(self, conn_unique_constraints,
                                        conn_indexes,
                                        metadata_unique_constraints,
                                        metadata_indexes):
        conn_uniques_by_name = dict(
            (c.name, c) for c in conn_unique_constraints)
        conn_indexes_by_name = dict(
            (c.name, c) for c in conn_indexes)

        # TODO: if SQLA 1.0, make use of "duplicates_constraint"
        # metadata
        doubled_constraints = dict(
            (name, (conn_uniques_by_name[name], conn_indexes_by_name[name]))
            for name in set(conn_uniques_by_name).intersection(
                conn_indexes_by_name)
        )
        for name, (uq, ix) in doubled_constraints.items():
            conn_indexes.remove(ix)

        for idx in list(metadata_indexes):
            if idx.name in conn_indexes_by_name:
                continue
            if compat.sqla_08:
                exprs = idx.expressions
            else:
                exprs = idx.columns
            for expr in exprs:
                while isinstance(expr, UnaryExpression):
                    expr = expr.element
                if not isinstance(expr, Column):
                    util.warn(
                        "autogenerate skipping functional index %s; "
                        "not supported by SQLAlchemy reflection" % idx.name
                    )
                    metadata_indexes.discard(idx)

项目：ngx_status 作者：YoYoAdorkable | 项目源码 | 文件源码

def correct_for_autogen_constraints(self, conn_unique_constraints,
                                        conn_indexes,
                                        metadata_unique_constraints,
                                        metadata_indexes):
        conn_uniques_by_name = dict(
            (c.name, c) for c in conn_unique_constraints)
        conn_indexes_by_name = dict(
            (c.name, c) for c in conn_indexes)

        # TODO: if SQLA 1.0, make use of "duplicates_constraint"
        # metadata
        doubled_constraints = dict(
            (name, (conn_uniques_by_name[name], conn_indexes_by_name[name]))
            for name in set(conn_uniques_by_name).intersection(
                conn_indexes_by_name)
        )
        for name, (uq, ix) in doubled_constraints.items():
            conn_indexes.remove(ix)

        for idx in list(metadata_indexes):
            if idx.name in conn_indexes_by_name:
                continue
            if compat.sqla_08:
                exprs = idx.expressions
            else:
                exprs = idx.columns
            for expr in exprs:
                if not isinstance(expr, (Column, UnaryExpression)):
                    util.warn(
                        "autogenerate skipping functional index %s; "
                        "not supported by SQLAlchemy reflection" % idx.name
                    )
                    metadata_indexes.discard(idx)