ExecutorRun_hook

中文定义与说明

供插件在 ExecutorRun() 中接管处理的钩子。

以下中文为本站依据所列 PostgreSQL 源码注释编译的说明。

接口声明

typedef void (*ExecutorRun_hook_type) (QueryDesc *queryDesc, ScanDirection direction, uint64 count);
extern PGDLLIMPORT ExecutorRun_hook_type ExecutorRun_hook;

调用位置

• src/backend/executor/execMain.c:301

核心调用上下文：src/backend/executor/execMain.c:295–309

 */
void
ExecutorRun(QueryDesc *queryDesc,
			ScanDirection direction, uint64 count)
{
	if (ExecutorRun_hook)
		(*ExecutorRun_hook) (queryDesc, direction, count);
	else
		standard_ExecutorRun(queryDesc, direction, count);
}

void
standard_ExecutorRun(QueryDesc *queryDesc,
					 ScanDirection direction, uint64 count)
{