thevar1able/ClickHouse
1
0
Fork 0
mirror of https://github.com/ClickHouse/ClickHouse.git synced 2024-11-22 07:31:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #15522 from r1j1k/53r93y-DOCSUP-2866-allow_experimental_bigint_types

Browse Source 
DOCSUP-2866: Document the allow_experimental_bigint_types setting
This commit is contained in:
alexey-milovidov 2020-10-08 16:06:42 +03:00 committed by GitHub
commit 7326343f31
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 23 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
docs/en/operations/settings/settings.md
View File

@ -1594,7 +1594,7 @@ See also:
## allow\_introspection\_functions {#settings-allow_introspection_functions}
Enables of disables [introspections functions](../../sql-reference/functions/introspection.md) for query profiling.
Enables or disables [introspections functions](../../sql-reference/functions/introspection.md) for query profiling.
Possible values:
@ -2056,3 +2056,14 @@ Result:
```
[Original article](https://clickhouse.tech/docs/en/operations/settings/settings/) <!-- hide -->
## allow_experimental_bigint_types {#allow_experimental_bigint_types}
Enables or disables integer values exceeding the range that is supported by the int data type.
Possible values:
- 1 — The bigint data type is enabled.
- 0 — The bigint data type is disabled.
Default value: `0`.

19
docs/en/sql-reference/functions/type-conversion-functions.md
View File

@ -11,7 +11,8 @@ When you convert a value from one to another data type, you should remember that
ClickHouse has the [same behavior as C++ programs](https://en.cppreference.com/w/cpp/language/implicit_conversion).
## toInt(8\|16\|32\|64\|128\|256) {#toint8163264}
## toInt(8\|16\|32\|64\|128\|256) {#toint8163264128256}
Converts an input value to the [Int](../../sql-reference/data-types/int-uint.md) data type. This function family includes:
@ -62,7 +63,7 @@ select toInt64OrZero('123123'), toInt8OrZero('123qwe123')
└─────────────────────────┴───────────────────────────┘
```
## toInt(8\|16\|32\|64\|128\|256)OrNull {#toint8163264ornull}
## toInt(8\|16\|32\|64\|128\|256)OrNull {#toint8163264128256ornull}
It takes an argument of type String and tries to parse it into Int (8 \| 16 \| 32 \| 64 \| 128 \| 256). If failed, returns NULL.
@ -78,7 +79,7 @@ select toInt64OrNull('123123'), toInt8OrNull('123qwe123')
└─────────────────────────┴───────────────────────────┘
```
## toUInt(8\|16\|32\|64\|256) {#touint8163264}
## toUInt(8\|16\|32\|64\|256) {#touint8163264256}
Converts an input value to the [UInt](../../sql-reference/data-types/int-uint.md) data type. This function family includes:
@ -112,9 +113,9 @@ SELECT toUInt64(nan), toUInt32(-32), toUInt16('16'), toUInt8(8.8)
└─────────────────────┴───────────────┴────────────────┴──────────────┘
```
## toUInt(8\|16\|32\|64\|256)OrZero {#touint8163264orzero}
## toUInt(8\|16\|32\|64\|256)OrZero {#touint8163264256orzero}
## toUInt(8\|16\|32\|64\|256)OrNull {#touint8163264ornull}
## toUInt(8\|16\|32\|64\|256)OrNull {#touint8163264256ornull}
## toFloat(32\|64) {#tofloat3264}
@ -134,7 +135,7 @@ SELECT toUInt64(nan), toUInt32(-32), toUInt16('16'), toUInt8(8.8)
## toDateTimeOrNull {#todatetimeornull}
## toDecimal(32\|64\|128\|256) {#todecimal3264128}
## toDecimal(32\|64\|128\|256) {#todecimal3264128256}
Converts `value` to the [Decimal](../../sql-reference/data-types/decimal.md) data type with precision of `S`. The `value` can be a number or a string. The `S` (scale) parameter specifies the number of decimal places.
@ -143,7 +144,7 @@ Converts `value` to the [Decimal](../../sql-reference/data-types/decimal.md) dat
- `toDecimal128(value, S)`
- `toDecimal256(value, S)`
## toDecimal(32\|64\|128\|256)OrNull {#todecimal3264128ornull}
## toDecimal(32\|64\|128\|256)OrNull {#todecimal3264128256ornull}
Converts an input string to a [Nullable(Decimal(P,S))](../../sql-reference/data-types/decimal.md) data type value. This family of functions include:
@ -188,7 +189,9 @@ SELECT toDecimal32OrNull(toString(-1.111), 2) AS val, toTypeName(val)
└──────┴────────────────────────────────────────────────────┘
```
## toDecimal(32\|64\|128\|256)OrZero {#todecimal3264128orzero}
## toDecimal(32\|64\|128\'|256)OrZero {#todecimal3264128256orzero}
Converts an input value to the [Decimal(P,S)](../../sql-reference/data-types/decimal.md) data type. This family of functions include: