1namespace DB
2{
3
4class FunctionFactory;
5
6void registerFunctionIsNull(FunctionFactory & factory);
7void registerFunctionIsNotNull(FunctionFactory & factory);
8void registerFunctionCoalesce(FunctionFactory & factory);
9void registerFunctionIfNull(FunctionFactory & factory);
10void registerFunctionNullIf(FunctionFactory & factory);
11void registerFunctionAssumeNotNull(FunctionFactory & factory);
12void registerFunctionToNullable(FunctionFactory & factory);
13
14
15void registerFunctionsNull(FunctionFactory & factory)
16{
17 registerFunctionIsNull(factory);
18 registerFunctionIsNotNull(factory);
19 registerFunctionCoalesce(factory);
20 registerFunctionIfNull(factory);
21 registerFunctionNullIf(factory);
22 registerFunctionAssumeNotNull(factory);
23 registerFunctionToNullable(factory);
24}
25
26}
27