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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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src/include/utils/lsyscache.h
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@@ -64,6 +64,7 @@ extern Oid get_opfamily_proc(Oid opfamily, Oid lefttype, Oid righttype,
extern char *get_attname(Oid relid, AttrNumber attnum);
extern char *get_relid_attribute_name(Oid relid, AttrNumber attnum);
extern AttrNumber get_attnum(Oid relid, const char *attname);
extern char get_attidentity(Oid relid, AttrNumber attnum);
extern Oid get_atttype(Oid relid, AttrNumber attnum);
extern int32 get_atttypmod(Oid relid, AttrNumber attnum);
extern void get_atttypetypmodcoll(Oid relid, AttrNumber attnum,