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patch 4.0

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This commit is contained in:
wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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28
src/sql/engine/expr/ob_expr_shadow_uk_project.cpp
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@ -14,10 +14,14 @@
#include "sql/engine/expr/ob_expr_shadow_uk_project.h"
namespace oceanbase {
namespace oceanbase
{
using namespace common;
namespace sql {
int ObExprShadowUKProject::cg_expr(ObExprCGCtx&, const ObRawExpr& raw_expr, ObExpr& rt_expr) const
namespace sql
{
int ObExprShadowUKProject::cg_expr(ObExprCGCtx &,
const ObRawExpr &raw_expr,
ObExpr &rt_expr) const
{
int ret = OB_SUCCESS;
UNUSED(raw_expr);
@ -27,27 +31,27 @@ int ObExprShadowUKProject::cg_expr(ObExprCGCtx&, const ObRawExpr& raw_expr, ObEx
return ret;
}
int ObExprShadowUKProject::shadow_uk_project(const ObExpr& expr, ObEvalCtx& ctx, ObDatum& datum)
int ObExprShadowUKProject::shadow_uk_project(const ObExpr &expr,
ObEvalCtx &ctx,
ObDatum &datum)
{
int ret = OB_SUCCESS;
bool need_shadow_columns = false;
if (OB_FAIL(expr.eval_param_value(ctx))) {
LOG_WARN("evaluate parameters values failed", K(ret));
} else if (lib::is_mysql_mode()) {
// mysql compatible: as long as there is a null column in the unique index key,
// the shadow column needs to be filled
} else if (lib::is_mysql_mode()){
// mysql兼容：只要unique index key中有null列，则需要填充shadow列
bool rowkey_has_null = false;
for (int64_t i = 0; !rowkey_has_null && i < expr.arg_cnt_ - 1; i++) {
ObDatum& v = expr.locate_param_datum(ctx, i);
ObDatum &v = expr.locate_param_datum(ctx, i);
rowkey_has_null = v.is_null();
}
need_shadow_columns = rowkey_has_null;
} else {
// oracle compatible: only when the unique index key is all null columns,
// the shadow column needs to be filled
// oracle兼容：只有unique index key全为null列时，才需要填充shadow列
bool is_rowkey_all_null = true;
for (int64_t i = 0; is_rowkey_all_null && i < expr.arg_cnt_ - 1; i++) {
ObDatum& v = expr.locate_param_datum(ctx, i);
ObDatum &v = expr.locate_param_datum(ctx, i);
is_rowkey_all_null = v.is_null();
}
need_shadow_columns = is_rowkey_all_null;
@ -55,7 +59,7 @@ int ObExprShadowUKProject::shadow_uk_project(const ObExpr& expr, ObEvalCtx& ctx,
if (!need_shadow_columns) {
datum.set_null();
} else {
ObDatum& v = expr.locate_param_datum(ctx, expr.arg_cnt_ - 1);
ObDatum &v = expr.locate_param_datum(ctx, expr.arg_cnt_ - 1);
datum.set_datum(v);
}