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Alexey Milovidov 2024-11-10 14:39:45 +01:00
parent f0dc1330eb
commit db98fb4c79
1 changed files with 61 additions and 3 deletions
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64
src/Functions/FunctionsConversion.cpp
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@ -5458,7 +5458,17 @@ REGISTER_FUNCTION(Conversion)
factory.registerFunction<FunctionToInt64>();
factory.registerFunction<FunctionToInt128>();
factory.registerFunction<FunctionToInt256>();
factory.registerFunction<FunctionToBFloat16>();
factory.registerFunction<FunctionToBFloat16>(FunctionDocumentation{.description=R"(
Converts Float32 to BFloat16 with losing the precision.
Example:
[example:typical]
)",
.examples{
{"typical", "SELECT toBFloat16(12.3::Float32);", "12.3125"}},
.categories{"Conversion"}});
factory.registerFunction<FunctionToFloat32>();
factory.registerFunction<FunctionToFloat64>();
@ -5497,7 +5507,31 @@ REGISTER_FUNCTION(Conversion)
factory.registerFunction<FunctionToInt64OrZero>();
factory.registerFunction<FunctionToInt128OrZero>();
factory.registerFunction<FunctionToInt256OrZero>();
factory.registerFunction<FunctionToBFloat16OrZero>();
factory.registerFunction<FunctionToBFloat16OrZero>(FunctionDocumentation{.description=R"(
Converts String to BFloat16.
If the string does not represent a floating point value, the function returns zero.
The function allows a silent loss of precision while converting from the string representation. In that case, it will return the truncated result.
Example of successful conversion:
[example:typical]
Examples of not successful conversion:
[example:invalid1]
[example:invalid2]
Example of a loss of precision:
[example:precision]
)",
.examples{
{"typical", "SELECT toBFloat16OrZero('12.3');", "12.3125"}},
{"invalid1", "SELECT toBFloat16OrZero('abc');", "0"}},
{"invalid2", "SELECT toBFloat16OrZero(' 1');", "0"}},
{"precision", "SELECT toBFloat16OrZero('12.3456789');", "12.375"}},
.categories{"Conversion"}});
factory.registerFunction<FunctionToFloat32OrZero>();
factory.registerFunction<FunctionToFloat64OrZero>();
factory.registerFunction<FunctionToDateOrZero>();
@ -5526,7 +5560,31 @@ REGISTER_FUNCTION(Conversion)
factory.registerFunction<FunctionToInt64OrNull>();
factory.registerFunction<FunctionToInt128OrNull>();
factory.registerFunction<FunctionToInt256OrNull>();
factory.registerFunction<FunctionToBFloat16OrNull>();
factory.registerFunction<FunctionToBFloat16OrNull>(FunctionDocumentation{.description=R"(
Converts String to Nullable(BFloat16).
If the string does not represent a floating point value, the function returns NULL.
The function allows a silent loss of precision while converting from the string representation. In that case, it will return the truncated result.
Example of successful conversion:
[example:typical]
Examples of not successful conversion:
[example:invalid1]
[example:invalid2]
Example of a loss of precision:
[example:precision]
)",
.examples{
{"typical", "SELECT toBFloat16OrNull('12.3');", "12.3125"}},
{"invalid1", "SELECT toBFloat16OrNull('abc');", "NULL"}},
{"invalid2", "SELECT toBFloat16OrNull(' 1');", "NULL"}},
{"precision", "SELECT toBFloat16OrNull('12.3456789');", "12.375"}},
.categories{"Conversion"}});
factory.registerFunction<FunctionToFloat32OrNull>();
factory.registerFunction<FunctionToFloat64OrNull>();
factory.registerFunction<FunctionToDateOrNull>();