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This is an SQL-standard feature that allows creating columns that are computed from expressions rather than assigned, similar to a view or materialized view but on a column basis. This implements one kind of generated column: stored (computed on write). Another kind, virtual (computed on read), is planned for the future, and some room is left for it. Reviewed-by: Michael Paquier <michael@paquier.xyz> Reviewed-by: Pavel Stehule <pavel.stehule@gmail.com> Discussion: https://www.postgresql.org/message-id/flat/b151f851-4019-bdb1-699e-ebab07d2f40a@2ndquadrant.com |
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| .. | ||
| plpython_call.sql | ||
| plpython_composite.sql | ||
| plpython_do.sql | ||
| plpython_drop.sql | ||
| plpython_ereport.sql | ||
| plpython_error.sql | ||
| plpython_global.sql | ||
| plpython_import.sql | ||
| plpython_newline.sql | ||
| plpython_params.sql | ||
| plpython_populate.sql | ||
| plpython_quote.sql | ||
| plpython_record.sql | ||
| plpython_schema.sql | ||
| plpython_setof.sql | ||
| plpython_spi.sql | ||
| plpython_subtransaction.sql | ||
| plpython_test.sql | ||
| plpython_transaction.sql | ||
| plpython_trigger.sql | ||
| plpython_types.sql | ||
| plpython_unicode.sql | ||
| plpython_void.sql | ||