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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2003-02-02 23:46:38 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2003-02-02 23:46:38 +0000 |
| commit | c7bceca156cc7ffd744b17669b7839b69eb1c9d3 (patch) | |
| tree | 58f7d62d3aa61ac3f6228c2c67f3bb96f2c12983 /src/backend/parser | |
| parent | 6adb475f77c63eee8ba8b85bf00cd841d57037aa (diff) | |
| download | postgresql-c7bceca156cc7ffd744b17669b7839b69eb1c9d3.tar.gz postgresql-c7bceca156cc7ffd744b17669b7839b69eb1c9d3.zip | |
Implement EXPLAIN EXECUTE. By Neil Conway, with some kibitzing from
Tom Lane.
Diffstat (limited to 'src/backend/parser')
| -rw-r--r-- | src/backend/parser/gram.y | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y index ff79e7a39f8..2d3c4445206 100644 --- a/src/backend/parser/gram.y +++ b/src/backend/parser/gram.y @@ -11,7 +11,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.396 2003/01/23 23:38:56 petere Exp $ + * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.397 2003/02/02 23:46:38 tgl Exp $ * * HISTORY * AUTHOR DATE MAJOR EVENT @@ -241,7 +241,7 @@ static void doNegateFloat(Value *v); %type <ival> opt_interval %type <node> overlay_placing substr_from substr_for -%type <boolean> opt_instead opt_cursor +%type <boolean> opt_instead opt_cursor opt_analyze %type <boolean> index_opt_unique opt_verbose opt_full %type <boolean> opt_freeze opt_default opt_recheck %type <defelt> opt_binary opt_oids copy_delimiter @@ -3953,30 +3953,34 @@ opt_name_list: /***************************************************************************** * * QUERY: - * EXPLAIN query - * EXPLAIN ANALYZE query + * EXPLAIN [ANALYZE] [VERBOSE] query * *****************************************************************************/ ExplainStmt: - EXPLAIN opt_verbose OptimizableStmt + EXPLAIN opt_analyze opt_verbose OptimizableStmt { ExplainStmt *n = makeNode(ExplainStmt); - n->verbose = $2; - n->analyze = FALSE; - n->query = (Query*)$3; + n->analyze = $2; + n->verbose = $3; + n->query = (Query*)$4; $$ = (Node *)n; } - | EXPLAIN analyze_keyword opt_verbose OptimizableStmt + | EXPLAIN opt_analyze opt_verbose ExecuteStmt { ExplainStmt *n = makeNode(ExplainStmt); + n->analyze = $2; n->verbose = $3; - n->analyze = TRUE; n->query = (Query*)$4; $$ = (Node *)n; } ; +opt_analyze: + analyze_keyword { $$ = TRUE; } + | /* EMPTY */ { $$ = FALSE; } + ; + /***************************************************************************** * * QUERY: |