diff options
Diffstat (limited to 'src/include/nodes/plannodes.h')
| -rw-r--r-- | src/include/nodes/plannodes.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/include/nodes/plannodes.h b/src/include/nodes/plannodes.h index 4f59e30d62d..29d7732d6a0 100644 --- a/src/include/nodes/plannodes.h +++ b/src/include/nodes/plannodes.h @@ -29,6 +29,21 @@ */ /* ---------------- + * PlannedStmtOrigin + * + * PlannedStmtOrigin identifies from where a PlannedStmt comes from. + * ---------------- + */ +typedef enum PlannedStmtOrigin +{ + PLAN_STMT_UNKNOWN = 0, /* plan origin is not yet known */ + PLAN_STMT_INTERNAL, /* generated internally by a query */ + PLAN_STMT_STANDARD, /* standard planned statement */ + PLAN_STMT_CACHE_GENERIC, /* Generic cached plan */ + PLAN_STMT_CACHE_CUSTOM, /* Custom cached plan */ +} PlannedStmtOrigin; + +/* ---------------- * PlannedStmt node * * The output of the planner is a Plan tree headed by a PlannedStmt node. @@ -58,6 +73,9 @@ typedef struct PlannedStmt /* plan identifier (can be set by plugins) */ int64 planId; + /* origin of plan */ + PlannedStmtOrigin planOrigin; + /* is it insert|update|delete|merge RETURNING? */ bool hasReturning; @@ -1056,6 +1074,16 @@ typedef struct Memoize /* paramids from param_exprs */ Bitmapset *keyparamids; + + /* Estimated number of rescans, for EXPLAIN */ + Cardinality est_calls; + + /* Estimated number of distinct lookup keys, for EXPLAIN */ + Cardinality est_unique_keys; + + /* Estimated cache hit ratio, for EXPLAIN */ + double est_hit_ratio; + } Memoize; /* ---------------- |