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Major optimizer improvement for joining a large number of tables.

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This commit is contained in:
Bruce Momjian
1999-02-09 03:51:42 +00:00
parent be948af2e8
commit fe35ffe7e0
21 changed files with 277 additions and 139 deletions
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16
src/backend/parser/gram.c
View File

@@ -240,7 +240,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/gram.c,v 2.69 1999/02/07 19:04:59 wieck Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/gram.c,v 2.70 1999/02/09 03:51:30 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -4802,7 +4802,7 @@ static const short yycheck[] = { 3,
-1, -1, -1, -1, -1, -1, -1, -1, -1, 215
};
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line 3 "/usr/share/bison.simple"
#line 3 "/usr/local/bison/bison.simple"
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
@@ -4951,13 +4951,9 @@ int yydebug; /* nonzero means print parse trace */
#define YYMAXDEPTH 10000
#endif
#ifndef YYPARSE_RETURN_TYPE
#define YYPARSE_RETURN_TYPE int
#endif
/* Prevent warning if -Wstrict-prototypes. */
#ifdef __GNUC__
YYPARSE_RETURN_TYPE yyparse (void);
int yyparse (void);
#endif
#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
@@ -4999,7 +4995,7 @@ __yy_memcpy (char *to, char *from, int count)
#endif
#endif
#line 196 "/usr/share/bison.simple"
#line 196 "/usr/local/bison/bison.simple"
/* The user can define YYPARSE_PARAM as the name of an argument to be passed
into yyparse. The argument should have type void *.
@@ -5020,7 +5016,7 @@ __yy_memcpy (char *to, char *from, int count)
#define YYPARSE_PARAM_DECL
#endif /* not YYPARSE_PARAM */
YYPARSE_RETURN_TYPE
int
yyparse(YYPARSE_PARAM_ARG)
YYPARSE_PARAM_DECL
{
@@ -11126,7 +11122,7 @@ case 969:
break;}
}
/* the action file gets copied in in place of this dollarsign */
#line 498 "/usr/share/bison.simple"
#line 498 "/usr/local/bison/bison.simple"
yyvsp -= yylen;
yyssp -= yylen;

4
src/backend/parser/scan.c
View File

@@ -1,7 +1,7 @@
/* A lexical scanner generated by flex */
/* Scanner skeleton version:
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/scan.c,v 1.33 1999/02/07 23:58:52 tgl Exp $
* /master/usr.bin/lex/skel.c,v 1.3 1997/09/25 00:10:23 jch Exp
*/
#define FLEX_SCANNER
@@ -556,7 +556,7 @@ char *yytext;
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/scan.c,v 1.33 1999/02/07 23:58:52 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/Attic/scan.c,v 1.34 1999/02/09 03:51:39 momjian Exp $
*
*-------------------------------------------------------------------------
*/