database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-30 21:42:05 +03:00
Code Activity

explain change

Browse Source
This commit is contained in:
Bruce Momjian
1996-12-29 19:31:16 +00:00
parent bf6fdeebb5
commit 765dd2a4c0
3 changed files with 23 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/backend/commands/explain.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.6 1996/12/29 00:53:20 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/explain.c,v 1.7 1996/12/29 19:30:55 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -27,8 +27,8 @@
typedef struct ExplainState {
/* options */
int printCost; /* print cost */
int printNodes; /* do nodeToString() instead */
bool printCost; /* print cost */
bool printNodes; /* do nodeToString() instead */
/* other states */
List *rtable; /* range table */
} ExplainState;
@ -69,18 +69,25 @@ ExplainQuery(Query *query, List *options, CommandDest dest)
memset(es, 0, sizeof(ExplainState));
/* parse options */
es->printCost = 1; /* default */
while (options) {
char *ostr = strVal(lfirst(options));
if (!strcasecmp(ostr, "cost"))
es->printCost = 1;
else if (!strcasecmp(ostr, "full"))
es->printNodes = 1;
es->printCost = true;
else if (!strcasecmp(ostr, "plan"))
es->printNodes = true;
else if (!strcasecmp(ostr, "full")) {
es->printCost = true;
es->printNodes = true;
}
else
elog(WARN, "Unknown EXPLAIN option: %s", ostr);
options = lnext(options);
}
if (!es->printCost && !es->printNodes)
es->printCost = true; /* default */
es->rtable = query->rtable;
if (es->printNodes)