diff options
Diffstat (limited to 'src/backend/commands/copy.c')
| -rw-r--r-- | src/backend/commands/copy.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/src/backend/commands/copy.c b/src/backend/commands/copy.c index a356229140..0910ecc088 100644 --- a/src/backend/commands/copy.c +++ b/src/backend/commands/copy.c @@ -846,9 +846,6 @@ DoCopy(const CopyStmt *stmt, const char *queryString, uint64 *processed) bool is_from = stmt->is_from; bool pipe = (stmt->filename == NULL); Relation rel; -#ifdef XCP - int oldSeqRangeVal = SequenceRangeVal; -#endif Oid relid; Node *query = NULL; List *range_table = NIL; @@ -974,26 +971,6 @@ DoCopy(const CopyStmt *stmt, const char *queryString, uint64 *processed) rel = NULL; } -#ifdef XCP - /* - * The COPY might involve sequences. We want to cache a range of - * sequence values to avoid contacting the GTM repeatedly. This - * improves the COPY performance by quite a margin. We set the - * SequenceRangeVal GUC parameter to bring about this effect. - * Note that we could have checked the attribute list to ascertain - * if this GUC is really needed or not. However since this GUC - * only affects nextval calculations, if sequences are not present - * no harm is done.. - * - * The user might have set the GUC value himself. Honor that if so - */ - -#define MAX_CACHEVAL 1024 - if (rel && getOwnedSequences(RelationGetRelid(rel)) != NIL && - SequenceRangeVal == DEFAULT_CACHEVAL) - SequenceRangeVal = MAX_CACHEVAL; -#endif - if (is_from) { Assert(rel); @@ -1027,11 +1004,6 @@ DoCopy(const CopyStmt *stmt, const char *queryString, uint64 *processed) EndCopyTo(cstate); } -#ifdef XCP - /* Set the SequenceRangeVal GUC to its earlier value */ - SequenceRangeVal = oldSeqRangeVal; -#endif - /* * Close the relation. If reading, we can release the AccessShareLock we * got; if writing, we should hold the lock until end of transaction to |