Want to convert data from Redshift to PostgreSQL ?
Try Withdata DBCopier, a Redshift to PostgreSQL converter for Windows, Mac, and Linux, Convert Redshift to PostgreSQL, Easy and Fast.
- Can run in GUI mode, Step by Step, just a few mouse clicks.
- Can run in Command line, for Scheduled Tasks and Streams.
- Support Windows, Linux, and macOS.
Convert data from Redshift to PostgreSQL
Login to Redshift and PostgreSQL -> Select source Redshift tables -> Set target PostgreSQL tables -> Convert Redshift to PostgreSQL
Choose source Redshift database and logon.
Choose target PostgreSQL database and logon.
Click “Wizard – Import All Tables” at task dialog.
then show the wizard.
1. Open source Redshift.
2. List target PostgreSQL tables.
3. Select PostgreSQL tables to import.
4. Convert data from Redshift to PostgreSQL.
More about Redshift to PostgreSQL converter
Download Withdata DBCopier
See also:
Redshift → PostgreSQL reference
Type mapping
| Value kind | in Redshift | in PostgreSQL |
|---|---|---|
| Long text | varchar(max) | text |
| Binary | (none) | bytea |
| JSON | super | jsonb |
Dialect differences
Both Redshift and PostgreSQL are database servers, so the differences below are dialect-level: the same concept is spelled differently on each side.
| Property | in Redshift | in PostgreSQL |
|---|---|---|
| port | 5439 | 5432 |
| dates | timestamp, date | timestamp, timestamptz, date, time |
| long text | VARCHAR(MAX) | TEXT |
| binary | — | BYTEA |
Command line
| Side | Command |
|---|---|
| Redshift | UNLOAD to S3 |
| PostgreSQL | pg_dump or COPY ... TO |
| PostgreSQL (load) | COPY ... FROM |
| Redshift (load) | COPY from S3 |
No counterpart
- PostgreSQL has no equivalent for Binary – it has to be flattened or dropped.
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