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Diffstat (limited to 'src/include/rewrite/prs2lock.h')
-rw-r--r-- | src/include/rewrite/prs2lock.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/include/rewrite/prs2lock.h b/src/include/rewrite/prs2lock.h new file mode 100644 index 0000000..8c35655 --- /dev/null +++ b/src/include/rewrite/prs2lock.h @@ -0,0 +1,46 @@ +/*------------------------------------------------------------------------- + * + * prs2lock.h + * data structures for POSTGRES Rule System II (rewrite rules only) + * + * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/rewrite/prs2lock.h + * + *------------------------------------------------------------------------- + */ +#ifndef PRS2LOCK_H +#define PRS2LOCK_H + +#include "access/attnum.h" +#include "nodes/pg_list.h" + +/* + * RewriteRule - + * holds an info for a rewrite rule + * + */ +typedef struct RewriteRule +{ + Oid ruleId; + CmdType event; + Node *qual; + List *actions; + char enabled; + bool isInstead; +} RewriteRule; + +/* + * RuleLock - + * all rules that apply to a particular relation. Even though we only + * have the rewrite rule system left and these are not really "locks", + * the name is kept for historical reasons. + */ +typedef struct RuleLock +{ + int numLocks; + RewriteRule **rules; +} RuleLock; + +#endif /* PRS2LOCK_H */ |