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| author | Peter Eisentraut <peter@eisentraut.org> | 2019-03-30 08:13:09 +0100 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2019-03-30 08:15:57 +0100 |
| commit | fc22b6623b6b3bab3cb057ccd282c2bfad1a0b30 (patch) | |
| tree | cda5092955ece5d547d5517ed56a3d480f199d25 /src/backend/nodes/copyfuncs.c | |
| parent | 6b8b5364ddd0e4d882562615c6b6c28638ade9f2 (diff) | |
Generated columns
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
Diffstat (limited to 'src/backend/nodes/copyfuncs.c')
| -rw-r--r-- | src/backend/nodes/copyfuncs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c index 84f9112addd..8f51315bee8 100644 --- a/src/backend/nodes/copyfuncs.c +++ b/src/backend/nodes/copyfuncs.c @@ -2390,6 +2390,7 @@ _copyRangeTblEntry(const RangeTblEntry *from) COPY_BITMAPSET_FIELD(selectedCols); COPY_BITMAPSET_FIELD(insertedCols); COPY_BITMAPSET_FIELD(updatedCols); + COPY_BITMAPSET_FIELD(extraUpdatedCols); COPY_NODE_FIELD(securityQuals); return newnode; @@ -2888,6 +2889,7 @@ _copyColumnDef(const ColumnDef *from) COPY_NODE_FIELD(cooked_default); COPY_SCALAR_FIELD(identity); COPY_NODE_FIELD(identitySequence); + COPY_SCALAR_FIELD(generated); COPY_NODE_FIELD(collClause); COPY_SCALAR_FIELD(collOid); COPY_NODE_FIELD(constraints); |