77 lines
2.7 KiB
Markdown
77 lines
2.7 KiB
Markdown
---
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title: Write to SAP HANA
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list_title: SAP HANA
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description: >
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Use [`sql.to()`](/flux/v0/stdlib/sql/to/) with the `hdb` driver to write
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data to SAP HANA.
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menu:
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flux_v0:
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name: SAP HANA
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parent: write-to-sql
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identifier: write-sap-hana
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weight: 101
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related:
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- /flux/v0/stdlib/sql/to/
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list_code_example: |
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```js
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import "sql"
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data
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|> sql.to(
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driverName: "hdb",
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dataSourceName: "hdb://username:password@myserver:30015",
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table: "SCHEMA.TABLE",
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)
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```
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---
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To write data to [SAP HANA](https://www.sap.com/products/hana.html) with Flux:
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1. Import the [`sql` package](/flux/v0/stdlib/sql/).
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2. Pipe-forward data into [`sql.to()`](/flux/v0/stdlib/sql/to/) and provide
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the following parameters:
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- **driverName**: hdb
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- **dataSourceName**: _See [data source name](#sap-hana-data-source-name)_
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- **table**: Table to write to
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- **batchSize**: Number of parameters or columns that can be queued within
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each call to `Exec` (default is `10000`)
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```js
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import "sql"
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data
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|> sql.to(
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driverName: "hdb",
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dataSourceName: "hdb://username:password@myserver:30015",
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table: "SCHEMA.TABLE",
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)
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```
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---
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## SAP HANA data source name
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The `hdb` driver uses the following DSN syntaxes (also known as a **connection string**):
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```
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hdb://<user>:<password>@<host>:<port>?<connection-property>=<value>&<connection-property>=<value>&...
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hdb://<user>:<password>@<host>:<port>?DATABASENAME=<tenant-db-name>
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hdb://?KEY=<keyname>
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```
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## Flux to SAP HANA data type conversion
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`sql.to()` converts Flux data types to SAP HANA data types.
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| Flux data type | SAP HANA data type |
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| :-------------------------------------------- | :---------------------------------------------- |
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| [float](/flux/v0/data-types/basic/float/) | DOUBLE |
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| [int](/flux/v0/data-types/basic/int/) | BIGINT |
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| [string](/flux/v0/data-types/basic/string/) | NVARCHAR(5000) |
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| [bool](/flux/v0/data-types/basic/bool/) | BOOLEAN |
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| [time](/flux/v0/data-types/basic/time/) | {{< req text="\*" color="magenta" >}} TIMESTAMP |
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{{< req text="\*" color="magenta" >}} The SAP HANA **TIMESTAMP** data type does
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not store time zone information and
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[SAP strongly discourages storing data in the local time zone](https://blogs.sap.com/2018/03/28/trouble-with-time/).
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For more information, see [Timestamps in SAP HANA](https://help.sap.com/viewer/f1b440ded6144a54ada97ff95dac7adf/2.4/en-US/a394f75dcbe64b42b7a887231af8f15f.html).
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