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Patch fixs of estimating row count to 3.1_opensource_release

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This commit is contained in:
obdev
2021-07-19 16:48:16 +08:00
committed by wangzelin.wzl
parent af7df013e6
commit f0bad67c09
3 changed files with 116 additions and 59 deletions
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53
unittest/storage/test_micro_block_row_scanner_with_special_uncom_row.cpp
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@ -1987,6 +1987,59 @@ TEST_F(TestMicroBlockRowScanner, test_magic_row)
scanner_iter.reset();
}
TEST_F(TestMicroBlockRowScanner, test_estimate_with_magic_row)
{
GCONF._enable_sparse_row = false;
const int64_t rowkey_cnt = 4;
const int64_t micro_cnt = 2;
const char* micro_data[micro_cnt];
int index = 0;
micro_data[index++] = "bigint var bigint bigint bigint bigint flag multi_version_row_flag trans_id\n"
"1 var1 -1 -1 9 NOP EXIST U trans_id_1\n";
micro_data[index++] = "bigint var bigint bigint bigint bigint flag multi_version_row_flag trans_id\n"
"1 var1 MAGIC MAGIC NOP NOP EXIST LM trans_id_0\n";
prepare_data(micro_data, index, rowkey_cnt, 9, "none", FLAT_ROW_STORE, 0);
// minor
ObVersionRange trans_version_range;
trans_version_range.base_version_ = 0;
trans_version_range.snapshot_version_ = 100;
trans_version_range.multi_version_start_ = 1;
prepare_query_param(trans_version_range, true, false);
ObStoreRange range;
const char var1[] = "var1";
ObObj start_val[2];
ObObj end_val[2];
start_val[0].set_int(1);
start_val[1].set_varchar(var1, 4);
start_val[1].set_collation_type(CS_TYPE_UTF8MB4_GENERAL_CI);
end_val[0].set_int(2);
end_val[1].set_varchar(var1, 4);
end_val[1].set_collation_type(CS_TYPE_UTF8MB4_GENERAL_CI);
ObStoreRowkey start_key(start_val, 2);
ObStoreRowkey end_key(end_val, 2);
range.table_id_ = combine_id(TENANT_ID, TABLE_ID);
range.start_key_ = start_key;
range.end_key_ = end_key;
common::ObQueryFlag query_flag;
ObExtStoreRange ext_range;
ext_range.reset();
ext_range.get_range() = range;
ASSERT_EQ(OB_SUCCESS, ext_range.to_collation_free_range_on_demand_and_cutoff_range(allocator_));
ObPartitionEst cost_metrics;
cost_metrics.reset();
// (1 : 2) -> (1,-max : 2,max) would cover 1 micro block
// but if not converts to multiversion, (1 : 2) is same with (1,-max : 2,max) would cover 2 micro blocks
int ret = sstable_.estimate_scan_row_count(context_.query_flag_, range.table_id_, ext_range, cost_metrics);
ASSERT_EQ(OB_SUCCESS, ret);
ASSERT_EQ(0, cost_metrics.logical_row_count_);
ASSERT_EQ(0, cost_metrics.physical_row_count_);
}
TEST_F(TestMicroBlockRowScanner, minor_merge_lob_reuse_allocator)
{
const int64_t rowkey_cnt = 4;