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to issue<51908205>:fix refcursor core

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This commit is contained in:
hanr881
2023-09-01 09:40:45 +00:00
committed by ob-robot
parent 8d019b471a
commit 040eb9f6b1
2 changed files with 13 additions and 3 deletions
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9
src/pl/ob_pl_type.cpp
View File

@ -2224,13 +2224,19 @@ int ObPLCursorInfo::prepare_spi_result(ObPLExecCtx *ctx, ObSPIResultSet *&spi_re
CK (OB_NOT_NULL(ctx));
CK (OB_NOT_NULL(ctx->exec_ctx_));
CK (OB_NOT_NULL(ctx->exec_ctx_->get_my_session()));
if (OB_ISNULL(spi_cursor_)) {
if (OB_ISNULL(spi_cursor_) || !last_stream_cursor_) {
OV (OB_NOT_NULL(get_allocator()));
if (OB_SUCC(ret) && OB_NOT_NULL(spi_cursor_) && OB_NOT_NULL(static_cast<ObSPICursor*>(spi_cursor_))) {
static_cast<ObSPICursor*>(spi_cursor_)->~ObSPICursor();
get_allocator()->free(spi_cursor_);
spi_cursor_ = NULL;
}
OX (spi_cursor_ = get_allocator()->alloc(sizeof(ObSPIResultSet)));
OV (OB_NOT_NULL(spi_cursor_), OB_ALLOCATE_MEMORY_FAILED);
}
OX (spi_result = new (spi_cursor_) ObSPIResultSet());
OZ (spi_result->init(*ctx->exec_ctx_->get_my_session()));
OX (last_stream_cursor_ = true);
return ret;
}
@ -2252,6 +2258,7 @@ int ObPLCursorInfo::prepare_spi_cursor(ObSPICursor *&spi_cursor,
OV (OB_NOT_NULL(spi_cursor_), OB_ALLOCATE_MEMORY_FAILED);
}
OX (spi_cursor = new (spi_cursor_) ObSPICursor(*spi_allocator));
OX (last_stream_cursor_ = false);
if (OB_SUCC(ret)) {
if (OB_INVALID_SIZE == mem_limit) {
mem_limit = GCONF._chunk_row_store_mem_limit;

7
src/pl/ob_pl_type.h
View File

@ -778,7 +778,8 @@ public:
cursor_flag_(CURSOR_FLAG_UNDEF),
ref_count_(0),
is_scrollable_(false),
last_execute_time_(0)
last_execute_time_(0),
last_stream_cursor_(false)
{
reset();
}
@ -796,7 +797,8 @@ public:
is_scrollable_(false),
snapshot_(),
is_need_check_snapshot_(false),
last_execute_time_(0)
last_execute_time_(0),
last_stream_cursor_(false)
{
reset();
}
@ -1043,6 +1045,7 @@ protected:
transaction::ObTxReadSnapshot snapshot_;
bool is_need_check_snapshot_;
int64_t last_execute_time_; // 记录上一次cursor操作的时间点
bool last_stream_cursor_; // cursor复用场景下，记录上一次是否是流式cursor
};
class ObPLGetCursorAttrInfo