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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2009-01-09 15:46:11 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2009-01-09 15:46:11 +0000 |
| commit | d04db370720ece56ffcad54e46cf03483c742ebb (patch) | |
| tree | f446fa524bfef45b5152575dc188e49c43ea0a25 /src/backend/executor/README | |
| parent | d3706cb6d217bc9c4676541f2df32171ef6555a2 (diff) | |
| download | postgresql-d04db370720ece56ffcad54e46cf03483c742ebb.tar.gz | |
Arrange for function default arguments to be processed properly in expressions
that are set up for execution with ExecPrepareExpr rather than going through
the full planner process. By introducing an explicit notion of "expression
planning", this patch also lays a bit of groundwork for maybe someday
allowing sub-selects in standalone expressions.
Diffstat (limited to 'src/backend/executor/README')
| -rw-r--r-- | src/backend/executor/README | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/executor/README b/src/backend/executor/README index 7644cc2cc4..467d6272d1 100644 --- a/src/backend/executor/README +++ b/src/backend/executor/README @@ -1,4 +1,4 @@ -$PostgreSQL: pgsql/src/backend/executor/README,v 1.7 2008/03/21 13:23:28 momjian Exp $ +$PostgreSQL: pgsql/src/backend/executor/README,v 1.8 2009/01/09 15:46:10 tgl Exp $ The Postgres Executor ===================== @@ -124,7 +124,8 @@ be hidden inside function calls). This case has a flow of control like creates per-tuple context ExecPrepareExpr - switch to per-query context to run ExecInitExpr + temporarily switch to per-query context + run the expression through expression_planner ExecInitExpr Repeatedly do: |