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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2011-02-20 00:17:18 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2011-02-20 00:18:14 -0500 |
| commit | bb742407947ad1cbf19355d24282380d576e7654 (patch) | |
| tree | ac377ed05d85d9cbd0b33127f4d59750b6e60cda /src/backend/executor/execMain.c | |
| parent | d5813488a4ccc78ec3a4ad0d5da4e6e844af75e8 (diff) | |
| download | postgresql-bb742407947ad1cbf19355d24282380d576e7654.tar.gz postgresql-bb742407947ad1cbf19355d24282380d576e7654.zip | |
Implement an API to let foreign-data wrappers actually be functional.
This commit provides the core code and documentation needed. A contrib
module test case will follow shortly.
Shigeru Hanada, Jan Urbanski, Heikki Linnakangas
Diffstat (limited to 'src/backend/executor/execMain.c')
| -rw-r--r-- | src/backend/executor/execMain.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/executor/execMain.c b/src/backend/executor/execMain.c index 7df7f5cdf0d..68509fbfc6e 100644 --- a/src/backend/executor/execMain.c +++ b/src/backend/executor/execMain.c @@ -738,6 +738,13 @@ InitPlan(QueryDesc *queryDesc, int eflags) break; } + /* if foreign table, tuples can't be locked */ + if (relation && relation->rd_rel->relkind == RELKIND_FOREIGN_TABLE) + ereport(ERROR, + (errcode(ERRCODE_FEATURE_NOT_SUPPORTED), + errmsg("SELECT FOR UPDATE/SHARE cannot be used with foreign table \"%s\"", + RelationGetRelationName(relation)))); + erm = (ExecRowMark *) palloc(sizeof(ExecRowMark)); erm->relation = relation; erm->rti = rc->rti; |