首页 \ 问答 \ HSQLDB - 未找到按位操作方法BITANDNOT()(HSQLDB - bitwise operation method BITANDNOT() is not found)

HSQLDB - 未找到按位操作方法BITANDNOT()(HSQLDB - bitwise operation method BITANDNOT() is not found)

我是hsqldb的新手。 我在调用BITANDNOT()函数时遇到错误。

Caused by: org.hsqldb.HsqlException: user lacks privilege or object not found: BITANDNOT
at org.hsqldb.error.Error.error(Unknown Source)
at org.hsqldb.error.Error.error(Unknown Source)
at org.hsqldb.ParserDQL.readColumnOrFunctionExpression(Unknown Source)
at org.hsqldb.ParserDQL.XreadSimpleValueExpressionPrimary(Unknown Source)
at org.hsqldb.ParserDQL.XreadAllTypesValueExpressionPrimary(Unknown Source)
at org.hsqldb.ParserDQL.XreadAllTypesPrimary(Unknown Source)
at org.hsqldb.ParserDQL.XreadAllTypesFactor(Unknown Source)
at org.hsqldb.ParserDQL.XreadAllTypesTerm(Unknown Source)
at org.hsqldb.ParserDQL.XreadAllTypesCommonValueExpression(Unknown Source)
at org.hsqldb.ParserDQL.XreadValueExpression(Unknown Source)
at org.hsqldb.ParserDQL.XreadSelect(Unknown Source)
at org.hsqldb.ParserDQL.XreadQuerySpecification(Unknown Source)
at org.hsqldb.ParserDQL.XreadSimpleTable(Unknown Source)
at org.hsqldb.ParserDQL.XreadQueryPrimary(Unknown Source)
at org.hsqldb.ParserDQL.XreadQueryTerm(Unknown Source)
at org.hsqldb.ParserDQL.XreadQueryExpressionBody(Unknown Source)
at org.hsqldb.ParserDQL.XreadQueryExpression(Unknown Source)
at org.hsqldb.ParserDML.compileInsertStatement(Unknown Source)
at org.hsqldb.ParserCommand.compilePart(Unknown Source)
at org.hsqldb.ParserCommand.compileStatement(Unknown Source)
at org.hsqldb.Session.compileStatement(Unknown Source)
at org.hsqldb.StatementManager.compile(Unknown Source)
at org.hsqldb.Session.execute(Unknown Source)

我在这个函数调用中只传递了两个值,比如说

BITANDNOT(field1, val1)
Here,
field1 is field in table
val1 is string value of an Integer object

我有点不满这个例外。 如果有人有hsqldb的经验,请帮忙。

提前致谢。


I am new to hsqldb. I am getting below error on calling BITANDNOT() function.

Caused by: org.hsqldb.HsqlException: user lacks privilege or object not found: BITANDNOT
at org.hsqldb.error.Error.error(Unknown Source)
at org.hsqldb.error.Error.error(Unknown Source)
at org.hsqldb.ParserDQL.readColumnOrFunctionExpression(Unknown Source)
at org.hsqldb.ParserDQL.XreadSimpleValueExpressionPrimary(Unknown Source)
at org.hsqldb.ParserDQL.XreadAllTypesValueExpressionPrimary(Unknown Source)
at org.hsqldb.ParserDQL.XreadAllTypesPrimary(Unknown Source)
at org.hsqldb.ParserDQL.XreadAllTypesFactor(Unknown Source)
at org.hsqldb.ParserDQL.XreadAllTypesTerm(Unknown Source)
at org.hsqldb.ParserDQL.XreadAllTypesCommonValueExpression(Unknown Source)
at org.hsqldb.ParserDQL.XreadValueExpression(Unknown Source)
at org.hsqldb.ParserDQL.XreadSelect(Unknown Source)
at org.hsqldb.ParserDQL.XreadQuerySpecification(Unknown Source)
at org.hsqldb.ParserDQL.XreadSimpleTable(Unknown Source)
at org.hsqldb.ParserDQL.XreadQueryPrimary(Unknown Source)
at org.hsqldb.ParserDQL.XreadQueryTerm(Unknown Source)
at org.hsqldb.ParserDQL.XreadQueryExpressionBody(Unknown Source)
at org.hsqldb.ParserDQL.XreadQueryExpression(Unknown Source)
at org.hsqldb.ParserDML.compileInsertStatement(Unknown Source)
at org.hsqldb.ParserCommand.compilePart(Unknown Source)
at org.hsqldb.ParserCommand.compileStatement(Unknown Source)
at org.hsqldb.Session.compileStatement(Unknown Source)
at org.hsqldb.StatementManager.compile(Unknown Source)
at org.hsqldb.Session.execute(Unknown Source)

I am passing simply two values in this function call say for example

BITANDNOT(field1, val1)
Here,
field1 is field in table
val1 is string value of an Integer object

I am kind of stuck with this exception. Please help if anyone have experience with hsqldb.

Thanks in advance.


原文:https://stackoverflow.com/questions/28209345
更新时间:2022-03-25 11:03

最满意答案

from django.db.models import Sum

Model.objects.values('product', 'condition').order_by().annotate(Sum('quantity'))

from django.db.models import Sum

Model.objects.values('product', 'condition').order_by().annotate(Sum('quantity'))

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