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4 changes: 3 additions & 1 deletion README.md
Original file line number Diff line number Diff line change
Expand Up @@ -482,14 +482,16 @@ When creating your proto schema, use these type mappings:
| Delta Type | Proto2 Type | Notes |
|-----------|-------------|-------|
| STRING, VARCHAR | string | |
| INT, SMALLINT, SHORT | int32 | |
| INT, SMALLINT, SHORT, BYTE, TINYINT | int32 | |
| BIGINT, LONG | int64 | |
| FLOAT | float | |
| DOUBLE | double | |
| BOOLEAN | bool | |
| BINARY | bytes | |
| DATE | int32 | Days since epoch |
| TIMESTAMP | int64 | Microseconds since epoch |
| TIMESTAMP_NTZ | int64 | Microseconds since epoch |
| VARIANT | string | Written as unshredded variant to Delta |
| ARRAY\<type\> | repeated type | Use repeated field |
| MAP\<key, value\> | map\<key, value\> | Use map field |
| STRUCT\<fields\> | message | Define nested message |
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