huaxingao commented on code in PR #13925:
URL: https://github.com/apache/iceberg/pull/13925#discussion_r2334305581
##########
core/src/main/java/org/apache/iceberg/jdbc/JdbcTableOperations.java:
##########
@@ -138,7 +139,9 @@ public void doCommit(TableMetadata base, TableMetadata
metadata) {
throw new UncheckedSQLException(e, "Database warning");
} catch (SQLException e) {
// SQLite doesn't set SQLState or throw
SQLIntegrityConstraintViolationException
- if (e.getMessage() != null && e.getMessage().contains("constraint
failed")) {
+ // Postgres doesn't throw SQLIntegrityConstraintViolationException
Review Comment:
nit: how about
```
// Postgres doesn't throw SQLIntegrityConstraintViolationException but sets
SQLState to "23505" (unique violation)
```
##########
core/src/main/java/org/apache/iceberg/jdbc/JdbcTableOperations.java:
##########
@@ -138,7 +139,9 @@ public void doCommit(TableMetadata base, TableMetadata
metadata) {
throw new UncheckedSQLException(e, "Database warning");
} catch (SQLException e) {
// SQLite doesn't set SQLState or throw
SQLIntegrityConstraintViolationException
- if (e.getMessage() != null && e.getMessage().contains("constraint
failed")) {
+ // Postgres doesn't throw SQLIntegrityConstraintViolationException
+ if (e.getMessage() != null
+ && (e.getMessage().contains("constraint failed") ||
"23505".equals(e.getSQLState()))) {
Review Comment:
nit: I think e.getMessage() != null is no need to be checked for "23505".
How about
```
if ("23505".equals(e.getSQLState())
|| (e.getMessage() != null && e.getMessage().contains("constraint
failed"))) {
throw new AlreadyExistsException("Table already exists: %s",
tableIdentifier);
}
```
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