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Identity columns

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This is the SQL standard-conforming variant of PostgreSQL's serial
columns.  It fixes a few usability issues that serial columns have:

- CREATE TABLE / LIKE copies default but refers to same sequence
- cannot add/drop serialness with ALTER TABLE
- dropping default does not drop sequence
- need to grant separate privileges to sequence
- other slight weirdnesses because serial is some kind of special macro

Reviewed-by: Vitaly Burovoy <vitaly.burovoy@gmail.com>
This commit is contained in:
Peter Eisentraut
2017-04-06 08:33:16 -04:00
parent 6bad580d9e
commit 3217327053
57 changed files with 2140 additions and 202 deletions
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8
src/backend/utils/adt/ruleutils.c
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@ -5936,6 +5936,14 @@ get_insert_query_def(Query *query, deparse_context *context)
if (query->targetList)
appendStringInfoString(buf, ") ");
if (query->override)
{
if (query->override == OVERRIDING_SYSTEM_VALUE)
appendStringInfoString(buf, "OVERRIDING SYSTEM VALUE ");
else if (query->override == OVERRIDING_USER_VALUE)
appendStringInfoString(buf, "OVERRIDING USER VALUE ");
}
if (select_rte)
{
/* Add the SELECT */