Want to schedule and automate from Redshift to PostgreSQL copy data task?
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Schedule and automate Redshift to PostgreSQL data task
1. Select and run a task from follow list:
- Merge multiple similar Redshift tables to 1 PostgreSQL table
- Batch copy Redshift tables to PostgreSQL
- Copy Redshift query results to PostgreSQL table
- Copy Redshift table data to PostgreSQL
- Migrate Redshift to PostgreSQL
- Sync data from Redshift to PostgreSQL
- Convert Redshift To PostgreSQL
2. Save session and create .bat file.
More about Withdata DBCopier – the tool to copy Redshift data to PostgreSQL
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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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