* Functions for iterating through all the partition bounds based on * START/END/EVERY. */
| 513 | * START/END/EVERY. |
| 514 | */ |
| 515 | static PartEveryIterator * |
| 516 | initPartEveryIterator(ParseState *pstate, PartitionKeyData *partkey, const char *part_col_name, |
| 517 | Node *start, bool startExclusive, |
| 518 | Node *end, bool endInclusive, |
| 519 | Node *every) |
| 520 | { |
| 521 | PartEveryIterator *iter; |
| 522 | Datum startVal = 0; |
| 523 | Datum endVal = 0; |
| 524 | bool isEndValMaxValue = false; |
| 525 | Datum everyVal; |
| 526 | Oid plusop; |
| 527 | Oid part_col_typid; |
| 528 | int32 part_col_typmod; |
| 529 | Oid part_col_collation; |
| 530 | |
| 531 | /* caller should've checked this already */ |
| 532 | Assert(partkey->partnatts == 1); |
| 533 | |
| 534 | part_col_typid = get_partition_col_typid(partkey, 0); |
| 535 | part_col_typmod = get_partition_col_typmod(partkey, 0); |
| 536 | part_col_collation = get_partition_col_collation(partkey, 0); |
| 537 | |
| 538 | /* Parse the START/END/EVERY clauses */ |
| 539 | if (start) |
| 540 | { |
| 541 | Const *startConst; |
| 542 | |
| 543 | startConst = transformPartitionBoundValue(pstate, |
| 544 | start, |
| 545 | part_col_name, |
| 546 | part_col_typid, |
| 547 | part_col_typmod, |
| 548 | part_col_collation); |
| 549 | if (startConst->constisnull) |
| 550 | ereport(ERROR, |
| 551 | (errcode(ERRCODE_INVALID_TABLE_DEFINITION), |
| 552 | errmsg("cannot use NULL with range partition specification"), |
| 553 | parser_errposition(pstate, exprLocation(start)))); |
| 554 | |
| 555 | if (startExclusive) |
| 556 | convert_exclusive_start_inclusive_end(startConst, |
| 557 | part_col_typid, part_col_typmod, |
| 558 | true); |
| 559 | if (startConst->constisnull) |
| 560 | ereport(ERROR, |
| 561 | (errcode(ERRCODE_INVALID_TABLE_DEFINITION), |
| 562 | errmsg("START EXCLUSIVE is out of range"), |
| 563 | parser_errposition(pstate, exprLocation(start)))); |
| 564 | |
| 565 | startVal = startConst->constvalue; |
| 566 | } |
| 567 | |
| 568 | if (end) |
| 569 | { |
| 570 | Const *endConst; |
| 571 | Node *expr = end; |
| 572 | PartitionRangeDatum *prd = NULL; |
no test coverage detected