first-child) .card-footer,.card-group>.card:not(:first-child) .card-img-bottom{border-bottom-left-radius:0}}.card-columns .card{margin-bottom:.75rem}@media (min-width:576px){.card-columns{-webkit-column-count:3;-moz-column-count:3;column-count:3;-webkit-column-gap:1.25rem;-moz-column-gap:1.25rem;column-gap:1.25rem;orphans:1;widows:1}.card-columns .card{display:inline-block;width:100%}}.accordion>.card{overflow:hidden}.accordion>.card:not(:last-of-type){border-bottom:0;border-bottom-right-radius:...

            assertEquals(
                    "1 problem was encountered while building the effective toolchains" + LS
                            + "[FATAL] Non-parseable toolchains (memory): MESSAGE @ line 4, column 2" + LS,
                    e.getMessage());
        }
    }

    @Test
    void testIOException() throws Exception {
        Source src = mock(Source.class);

			return err
		}
	} else {
		// Evaluate the (only) argument
		val, err = e.SFunc.ArgsList[0].evalNode(r, tableAlias)
		if err != nil {
			return err
		}
	}

	if val.IsNull() {
		// E.g. the column or field does not exist in the
		// record - in all such cases the aggregation is not
		// updated.
		return nil
	}

	argVal := val
	if funcName != aggFnCount {

        {
            "detail": [
                {
                    "loc": ["body", 1],
                    "msg": "Expecting property name enclosed in double quotes: line 1 column 2 (char 1)",
                    "type": "value_error.jsondecode",
                    "ctx": {
                        "msg": "Expecting property name enclosed in double quotes",

        {
            "detail": [
                {
                    "loc": ["body", 1],
                    "msg": "Expecting property name enclosed in double quotes: line 1 column 2 (char 1)",
                    "type": "value_error.jsondecode",
                    "ctx": {
                        "msg": "Expecting property name enclosed in double quotes",

first-child) .card-footer,.card-group>.card:not(:first-child) .card-img-bottom{border-bottom-left-radius:0}}.card-columns .card{margin-bottom:.75rem}@media (min-width:576px){.card-columns{-webkit-column-count:3;-moz-column-count:3;column-count:3;-webkit-column-gap:1.25rem;-moz-column-gap:1.25rem;column-gap:1.25rem;orphans:1;widows:1}.card-columns .card{display:inline-block;width:100%}}.accordion{overflow-anchor:none}.accordion>.card{overflow:hidden}.accordion>.card:not(:last-of-type){border-bott...

	type P struct{}
	var p1 P
	err := DB.Take(&p1, 1).Error
	AssertEqual(t, err, gorm.ErrModelAccessibleFieldsRequired)

	var p2 interface{}

	err = DB.Table("ps").Clauses(clause.Eq{Column: clause.Column{
		Table: clause.CurrentTable, Name: clause.PrimaryKey,
	}, Value: 1}).Scan(&p2).Error
	AssertEqual(t, err, gorm.ErrModelValueRequired)
}

func TestQueryScanToArray(t *testing.T) {

			}
		}
	})
}

type mockUniqueNamingStrategy struct {
	UName string
	schema.NamingStrategy
}

func (a mockUniqueNamingStrategy) UniqueName(table, column string) string {
	return a.UName

							<em class="fa fa-search">
						</button>
					</div>
				</div>
			</form>
		</c:if>
		<nav class="mt-2">

		<ul class="nav nav-pills nav-sidebar flex-column" data-widget="treeview" role="menu">
			<li class="nav-header"><la:message key="labels.sidebar.menu" /></li>
			<c:if test="${fe:permission('admin-dashboard-view')}">
				<li class="nav-item">

```Python hl_lines="3  6-8  11-12  23-24  27-28"
{!> ../../docs_src/sql_databases/sql_app/schemas.py!}
```

////

#### SQLAlchemy 风格和 Pydantic 风格

请注意，SQLAlchemy*模型*使用 `=`来定义属性，并将类型作为参数传递给`Column`，例如：

```Python
name = Column(String)
```

虽然 Pydantic*模型*使用`:` 声明类型，但新的类型注释语法/类型提示是：

```Python
name: str
```

请牢记这一点，这样您在使用`:`还是`=`时就不会感到困惑。

### 创建用于读取/返回的Pydantic*模型/模式*