mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Allow more variations on valid floating point numbers (e.g. ".1", "1e6").

Browse Source 
Reintroduce fixes for unary minus parsing with leading spaces.
This commit is contained in:
Thomas G. Lockhart 1998-05-09 23:15:20 +00:00
parent dc9a9cdfb9
commit d4a95fd7ab
1 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/backend/parser/scan.l
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.38 1998/04/08 06:35:00 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.39 1998/05/09 23:15:20 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -148,12 +148,13 @@ self [,()\[\].;$\:\+\-\*\/\<\>\=\|]
op_and_self [\~\!\@\#\%\^\&\|\`\?\$\:\+\-\*\/\<\>\=]
operator {op_and_self}+
xminteger {integer}/-
xmreal {real}/{space}*-{digit}
xmstop -
integer -?{digit}+
real -?{digit}+\.{digit}+([Ee][-+]?{digit}+)?
integer [\-]?{digit}+
/*
real [\-]?{digit}+\.{digit}+([Ee][-+]?{digit}+)?
*/
real [\-]?(((({digit}*\.{digit}+)|({digit}+\.{digit}*))([Ee][-+]?{digit}+)?)|({digit}+[Ee][-+]?{digit}+))
param \${integer}
@ -291,7 +292,8 @@ other .
{typecast} { return TYPECAST; }
{self}/-[\.0-9] {
{self}/{space}*-[\.0-9] {
BEGIN(xm);
return (yytext[0]);
}
{self} { return (yytext[0]); }
@ -311,6 +313,7 @@ other .
return (PARAM);
}
{identifier}/{space}*-{number} {
int i;
ScanKeyword *keyword;
@ -386,6 +389,8 @@ other .
CheckFloat8Val(yylval.dval);
return (FCONST);
}
{identifier} {
int i;
ScanKeyword *keyword;