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fix some optimizer stat bugs

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This commit is contained in:
wangt1xiuyi
2023-05-19 02:46:44 +00:00
committed by ob-robot
parent 1f0fc4d4bb
commit 2d02db08cf
21 changed files with 186 additions and 101 deletions
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17
src/share/stat/ob_stat_define.cpp
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@ -33,7 +33,7 @@ void ObAnalyzeSampleInfo::set_rows(double row_num)
sample_value_ = row_num;
}
bool ObColumnStatParam::is_valid_histogram_type(const ObObjType type)
bool ObColumnStatParam::is_valid_opt_col_type(const ObObjType type)
{
bool ret = false;
// currently, we only support the following type to collect histogram
@ -52,12 +52,27 @@ bool ObColumnStatParam::is_valid_histogram_type(const ObObjType type)
type_class == ColumnTypeClass::ObOTimestampTC ||
type_class == ColumnTypeClass::ObBitTC ||
type_class == ColumnTypeClass::ObEnumSetTC ||
type_class == ColumnTypeClass::ObIntervalTC ||
(lib::is_mysql_mode() && type == ObTinyTextType)) {
ret = true;
}
return ret;
}
bool ObColumnStatParam::is_valid_avglen_type(const ObObjType type)
{
bool ret = false;
// currently, we only support the following type to collect avg len
ColumnTypeClass type_class = ob_obj_type_class(type);
if (is_valid_opt_col_type(type) ||
type_class == ColumnTypeClass::ObTextTC ||
type_class == ColumnTypeClass::ObRowIDTC ||
type_class == ColumnTypeClass::ObLobTC) {
ret = true;
}
return ret;
}
bool StatTable::operator<(const StatTable &other) const
{
return stale_percent_ < other.stale_percent_;