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

我们从Python开源项目中，提取了以下11个代码示例，用于说明如何使用sqlalchemy.sql.expression._TextClause()。

项目：sqlacodegen 作者：agronholm | 项目源码 | 文件源码

def _get_compiled_expression(statement):
    """Returns the statement in a form where any placeholders have been filled in."""
    if isinstance(statement, TextClause):
        return statement.text

    dialect = statement._from_objects[0].bind.dialect
    compiler = statement._compiler(dialect)

    # Adapted from http://stackoverflow.com/a/5698357/242021
    class LiteralCompiler(compiler.__class__):
        def visit_bindparam(self, bindparam, within_columns_clause=False, literal_binds=False, **kwargs):
            return super(LiteralCompiler, self).render_literal_bindparam(
                bindparam, within_columns_clause=within_columns_clause,
                literal_binds=literal_binds, **kwargs
            )

    compiler = LiteralCompiler(dialect, statement)
    return compiler.process(statement)

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

def _textual_index_column(table, text_):
    """a workaround for the Index construct's severe lack of flexibility"""
    if isinstance(text_, compat.string_types):
        c = Column(text_, sqltypes.NULLTYPE)
        table.append_column(c)
        return c
    elif isinstance(text_, TextClause):
        return _textual_index_element(table, text_)
    else:
        raise ValueError("String or text() construct expected")

项目：chihu 作者：yelongyu | 项目源码 | 文件源码

def _textual_index_column(table, text_):
    """a workaround for the Index construct's severe lack of flexibility"""
    if isinstance(text_, compat.string_types):
        c = Column(text_, sqltypes.NULLTYPE)
        table.append_column(c)
        return c
    elif isinstance(text_, TextClause):
        return _textual_index_element(table, text_)
    else:
        raise ValueError("String or text() construct expected")

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

def _textual_index_column(table, text_):
    """a workaround for the Index construct's severe lack of flexibility"""
    if isinstance(text_, compat.string_types):
        c = Column(text_, sqltypes.NULLTYPE)
        table.append_column(c)
        return c
    elif isinstance(text_, TextClause):
        return _textual_index_element(table, text_)
    else:
        raise ValueError("String or text() construct expected")

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

def _textual_index_column(table, text_):
    """a workaround for the Index construct's severe lack of flexibility"""
    if isinstance(text_, compat.string_types):
        c = Column(text_, sqltypes.NULLTYPE)
        table.append_column(c)
        return c
    elif isinstance(text_, TextClause):
        return _textual_index_element(table, text_)
    else:
        raise ValueError("String or text() construct expected")

项目：Callandtext 作者：iaora | 项目源码 | 文件源码

def _textual_index_column(table, text_):
    """a workaround for the Index construct's severe lack of flexibility"""
    if isinstance(text_, string_types):
        c = schema.Column(text_, sqltypes.NULLTYPE)
        table.append_column(c)
        return c
    elif isinstance(text_, TextClause):
        return _textual_index_element(table, text_)
    else:
        raise ValueError("String or text() construct expected")

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

def _textual_index_column(table, text_):
    """a workaround for the Index construct's severe lack of flexibility"""
    if isinstance(text_, compat.string_types):
        c = Column(text_, sqltypes.NULLTYPE)
        table.append_column(c)
        return c
    elif isinstance(text_, TextClause):
        return _textual_index_element(table, text_)
    else:
        raise ValueError("String or text() construct expected")

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

def _textual_index_column(table, text_):
    """a workaround for the Index construct's severe lack of flexibility"""
    if isinstance(text_, compat.string_types):
        c = Column(text_, sqltypes.NULLTYPE)
        table.append_column(c)
        return c
    elif isinstance(text_, TextClause):
        return _textual_index_element(table, text_)
    else:
        raise ValueError("String or text() construct expected")

项目：gardenbot 作者：GoestaO | 项目源码 | 文件源码

def _textual_index_column(table, text_):
    """a workaround for the Index construct's severe lack of flexibility"""
    if isinstance(text_, compat.string_types):
        c = Column(text_, sqltypes.NULLTYPE)
        table.append_column(c)
        return c
    elif isinstance(text_, TextClause):
        return _textual_index_element(table, text_)
    else:
        raise ValueError("String or text() construct expected")

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

def _textual_index_column(table, text_):
    """a workaround for the Index construct's severe lack of flexibility"""
    if isinstance(text_, compat.string_types):
        c = Column(text_, sqltypes.NULLTYPE)
        table.append_column(c)
        return c
    elif isinstance(text_, TextClause):
        return _textual_index_element(table, text_)
    else:
        raise ValueError("String or text() construct expected")

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

def _textual_index_column(table, text_):
    """a workaround for the Index construct's severe lack of flexibility"""
    if isinstance(text_, compat.string_types):
        c = Column(text_, sqltypes.NULLTYPE)
        table.append_column(c)
        return c
    elif isinstance(text_, TextClause):
        return _textual_index_element(table, text_)
    else:
        raise ValueError("String or text() construct expected")