New interop structure, types and precision information #114
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| --- | ||
| sidebar_position: 2 | ||
| description: "ABAP Type System" | ||
| --- | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,30 @@ | ||
| --- | ||
| sidebar_position: 4 | ||
| title: SAP Datasphere | ||
| description: "CSN Interop types to SAP Datasphere types." | ||
| --- | ||
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| > <span className="feature-status-draft">DRAFT</span> This mapping definition is work in progress and may be subject to further change. | ||
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| - Datasphere Data Types coming from here: [Link](https://help.sap.com/docs/SAP_DATASPHERE/c8a54ee704e94e15926551293243fd1d/2f39104e5bd847919b8daee1580c4f68.html) | ||
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| <!-- prettier-ignore --> | ||
| |CDS | Datasphere | Comment | | ||
| |--- |----------- |-------- | | ||
| |`cds.Boolean`| `cds.Boolean`| | | ||
| |`cds.String` (length ) | `cds.String` | Datasphere Logic: IF `cds.String(length = undefined)` THEN `cds.String(length = 5000)` | | ||
| |`cds.LargeString` (length ) | `cds.LargeString` | | | ||
| |`cds.Integer`| `cds.Integer` | | | ||
| |`cds.Integer64`| `cds.Integer64` | | | ||
| |`cds.Decimal` (precision = p, scale = s) | `cds.Decimal` | Datasphere Logic: IF `cds.Decimal(p < 17)` THEN `cds.Decimal(p = 17)` | | ||
| |`cds.Decimal` (precision = p, scale = floating) | `cds.Decimal` | | | ||
| |Amounts with Currencies `cds.Decimal` (precision = 34, scale = 4) | `cds.Decimal(34, 4)` | | | ||
| |`cds.Decimal` (no arguments) | DecimalFloat | | | ||
| |`cds.Double` | `cds.Double` | | | ||
| |`cds.Date` | `cds.Date` | | | ||
| |`cds.Time` must be expressed as `cds.String(6)` or `cds.String(12)` depending on the source representation for now + the annotation `@Semantics.time: true` | `cds.String(6)` or `cds.String(12)` | | | ||
| |`cds.DateTime` sec precision | `cds.Timestamp` | | | ||
| |`cds.Timestamp` µs precision | `cds.Timestamp` | | | ||
| |`cds.UUID` + the annotation `@Semantics.uuid: true` | `cds.UUID` | | | ||
| |- | hana.ST_GEOMETRY | | | ||
| |- | hana.ST_POINT | | |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,32 @@ | ||
| --- | ||
| sidebar_position: 3 | ||
| title: SAP HANA | ||
| description: "CSN Interop types to SAP HANA types." | ||
| --- | ||
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| > <span className="feature-status-draft">DRAFT</span> This mapping definition is work in progress and may be subject to further change. | ||
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| - HANA data types coming from here: [Link](https://help.sap.com/docs/SAP_HANA_PLATFORM/4fe29514fd584807ac9f2a04f6754767/20a1569875191014b507cf392724b7eb.html?locale=en-US) and in context with CAP / OData here: [Link](https://cap.cloud.sap/docs/advanced/hana#hana-types) | ||
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| <!-- prettier-ignore --> | ||
| |CDS | HANA | Comment | | ||
| |--- |----- |-------- | | ||
| |`cds.Boolean`| BOOLEAN | | | ||
| |`cds.String` (length ) | NVARCHAR(length) | | | ||
| |`cds.LargeString` (length ) | NCLOB | | | ||
| |`cds.Integer`| INTEGER | | | ||
| |`cds.Integer64`| BIGINT | | | ||
| |`cds.Decimal` (precision = p, scale = s) | DECIMAL(p,s) | | | ||
| |`cds.Decimal` (precision = p, scale = floating) | DECIMAL | | | ||
| |Amounts with Currencies `cds.Decimal` (precision = 34, scale = 4) | DECIMAL(34,4) | | | ||
| |`cds.Decimal` (no arguments) | DECIMAL | | | ||
| |`cds.Double` | DOUBLE | | | ||
| |`cds.Date` | DATE | | | ||
| |`cds.Time` must be expressed as `cds.String(6)` or `cds.String(12)` depending on the source representation for now + the annotation `@Semantics.time: true` | TIME | Data is in format `HHmmss` or `HH:mm:ss.SSS` - consumer must use the function to_time() to convert to `cds.Time`| | ||
| |`cds.DateTime` sec precision | TIMESTAMP | | | ||
| |`cds.Timestamp` µs precision | TIMESTAMP | HANA with ns precision (precision loss) | | ||
| |`cds.UUID` + the annotation `@Semantics.uuid: true` | NVARCHAR(36) | | | ||
| |- | ST_GEOMETRY | | | ||
| |- | ST_POINT | | | ||
| |`cds.vector` | REAL_VECTOR | | | ||
| |- | HALF_VECTOR | HANA half-precision vector type | |
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Our proposal is to support this with cds.Decimal (precision = p, scale = floating) gets mapped to STRING in delta. Do you want to add this in the current PR or a later one?