Use libpq Single Row Mode when fetching catalogs. #584
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Catalog queries may return a very large number of rows when the source database contain a very large number of objects (tables, indexes, etc). To best cope with that use Single Row Mode to fetch one row at a time in-memory before inserting it to our internal SQLite catalogs.
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Catalog queries may return a very large number of rows when the source database contain a very large number of objects (tables, indexes, etc). To best cope with that use Single Row Mode to fetch one row at a time in-memory before inserting it to our internal SQLite catalogs.
See #545
Fixes #532