diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index 9de6d1484eb..5ad2cc23588 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -429,8 +429,11 @@ typedef struct EState * parent RTEs, which can be ignored at runtime). Virtual relations such as * subqueries-in-FROM will have an ExecRowMark with relation == NULL. See * PlanRowMark for details about most of the fields. In addition to fields - * directly derived from PlanRowMark, we store curCtid, which is used by the - * WHERE CURRENT OF code. + * directly derived from PlanRowMark, we store an activity flag (to denote + * inactive children of inheritance trees), curCtid, which is used by the + * WHERE CURRENT OF code, and ermExtra, which is available for use by the plan + * node that sources the relation (e.g., for a foreign table the FDW can use + * ermExtra to hold information). * * EState->es_rowMarks is a list of these structs. */ @@ -442,8 +445,11 @@ typedef struct ExecRowMark Index prti; /* parent range table index, if child */ Index rowmarkId; /* unique identifier for resjunk columns */ RowMarkType markType; /* see enum in nodes/plannodes.h */ + LockClauseStrength strength; /* LockingClause's strength, or LCS_NONE */ LockWaitPolicy waitPolicy; /* NOWAIT and SKIP LOCKED */ + bool ermActive; /* is this mark relevant for current tuple? */ ItemPointerData curCtid; /* ctid of currently locked tuple, if any */ + void *ermExtra; /* available for use by relation source node */ } ExecRowMark; /* @@ -1921,6 +1927,8 @@ typedef struct LockRowsState PlanState ps; /* its first field is NodeTag */ List *lr_arowMarks; /* List of ExecAuxRowMarks */ EPQState lr_epqstate; /* for evaluating EvalPlanQual rechecks */ + HeapTuple *lr_curtuples; /* locked tuples (one entry per RT entry) */ + int lr_ntables; /* length of lr_curtuples[] array */ } LockRowsState; /* ---------------- |