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Add SHARE UPDATE EXCLUSIVE lock mode, coming soon to a VACUUM near you.

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Name chosen per pghackers discussion around 6/22/01.
This commit is contained in:
Tom Lane
2001-07-09 22:18:34 +00:00
parent 8902f49abb
commit 4fe42dfbc3
8 changed files with 143 additions and 80 deletions
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20
src/interfaces/ecpg/preproc/preproc.y
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@@ -326,7 +326,7 @@ make_name(void)
%type <str> createdb_opt_list opt_encoding OptInherit Geometric
%type <str> DropdbStmt ClusterStmt grantee RevokeStmt Bit bit
%type <str> GrantStmt privileges operation_commalist operation PosAllConst
%type <str> opt_cursor opt_lmode ConstraintsSetStmt comment_tg AllConst
%type <str> opt_cursor ConstraintsSetStmt comment_tg AllConst
%type <str> case_expr when_clause_list case_default case_arg when_clause
%type <str> select_clause opt_select_limit select_limit_value ConstraintTimeSpec
%type <str> select_offset_value ReindexStmt join_type opt_boolean
@@ -2440,15 +2440,15 @@ opt_lock: IN lock_type MODE { $$ = cat_str(3, make_str("in"), $2, ma
| /*EMPTY*/ { $$ = EMPTY;}
;
lock_type: SHARE ROW EXCLUSIVE { $$ = make_str("share row exclusive"); }
| ROW opt_lmode { $$ = cat2_str(make_str("row"), $2);}
| ACCESS opt_lmode { $$ = cat2_str(make_str("access"), $2);}
| opt_lmode { $$ = $1; }
;
opt_lmode: SHARE { $$ = make_str("share"); }
| EXCLUSIVE { $$ = make_str("exclusive"); }
;
lock_type: ACCESS SHARE { $$ = make_str("access share"); }
| ROW SHARE { $$ = make_str("access share"); }
| ROW EXCLUSIVE { $$ = make_str("row exclusive"); }
| SHARE UPDATE EXCLUSIVE { $$ = make_str("share update exclusive"); }
| SHARE { $$ = make_str("share"); }
| SHARE ROW EXCLUSIVE { $$ = make_str("share row exclusive"); }
| EXCLUSIVE { $$ = make_str("exclusive"); }
| ACCESS EXCLUSIVE { $$ = make_str("access exclusive"); }
;
/*****************************************************************************
*