diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index 6c94e8a7ae9..0ab2a136976 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -88,14 +88,14 @@ typedef struct ExprContext_CB * * This class holds the "current context" information * needed to evaluate expressions for doing tuple qualifications - * and tuple projections. For example, if an expression refers + * and tuple projections. For example, if an expression refers * to an attribute in the current inner tuple then we need to know * what the current inner tuple is and so we look at the expression * context. * * There are two memory contexts associated with an ExprContext: * * ecxt_per_query_memory is a query-lifespan context, typically the same - * context the ExprContext node itself is allocated in. This context + * context the ExprContext node itself is allocated in. This context * can be used for purposes such as storing function call cache info. * * ecxt_per_tuple_memory is a short-term context for expression results. * As the name suggests, it will typically be reset once per tuple, @@ -198,9 +198,9 @@ typedef struct ReturnSetInfo * Nodes which need to do projections create one of these. * * ExecProject() evaluates the tlist, forms a tuple, and stores it - * in the given slot. Note that the result will be a "virtual" tuple + * in the given slot. Note that the result will be a "virtual" tuple * unless ExecMaterializeSlot() is then called to force it to be - * converted to a physical tuple. The slot must have a tupledesc + * converted to a physical tuple. The slot must have a tupledesc * that matches the output of the tlist! * * The planner very often produces tlists that consist entirely of @@ -255,7 +255,7 @@ typedef struct ProjectionInfo * in emitted tuples. For example, when we do an UPDATE query, * the planner adds a "junk" entry to the targetlist so that the tuples * returned to ExecutePlan() contain an extra attribute: the ctid of - * the tuple to be updated. This is needed to do the update, but we + * the tuple to be updated. This is needed to do the update, but we * don't want the ctid to be part of the stored new tuple! So, we * apply a "junk filter" to remove the junk attributes and form the * real output tuple. The junkfilter code also provides routines to @@ -397,7 +397,7 @@ typedef struct EState /* * These fields are for re-evaluating plan quals when an updated tuple is - * substituted in READ COMMITTED mode. es_epqTuple[] contains tuples that + * substituted in READ COMMITTED mode. es_epqTuple[] contains tuples that * scan plan nodes should return instead of whatever they'd normally * return, or NULL if nothing to return; es_epqTupleSet[] is true if a * particular array entry is valid; and es_epqScanDone[] is state to @@ -656,7 +656,7 @@ typedef struct FuncExprState /* * In some cases we need to compute a tuple descriptor for the function's - * output. If so, it's stored here. + * output. If so, it's stored here. */ TupleDesc funcResultDesc; bool funcReturnsTuple; /* valid when funcResultDesc isn't @@ -680,7 +680,7 @@ typedef struct FuncExprState /* * Flag to remember whether we have registered a shutdown callback for - * this FuncExprState. We do so only if funcResultStore or setArgsValid + * this FuncExprState. We do so only if funcResultStore or setArgsValid * has been set at least once (since all the callback is for is to release * the tuplestore or clear setArgsValid). */ @@ -1477,7 +1477,7 @@ typedef struct CteScanState * WorkTableScanState information * * WorkTableScan nodes are used to scan the work table created by - * a RecursiveUnion node. We locate the RecursiveUnion node + * a RecursiveUnion node. We locate the RecursiveUnion node * during executor startup. * ---------------- */ @@ -1791,7 +1791,7 @@ typedef struct WindowAggState * UniqueState information * * Unique nodes are used "on top of" sort nodes to discard - * duplicate tuples returned from the sort phase. Basically + * duplicate tuples returned from the sort phase. Basically * all it does is compare the current tuple from the subplan * with the previously fetched tuple (stored in its result slot). * If the two are identical in all interesting fields, then |