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Fix: negative number recognition issue #560

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Merged
merged 3 commits into from
May 20, 2025
Merged

Fix: negative number recognition issue #560

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08cbd2b
Fix: negative number recognition issue
CubeLov May 17, 2025
b013e72
Add docs for negative numbers
CubeLov May 19, 2025
fa5779c
Update docs
CubeLov May 19, 2025
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4 changes: 2 additions & 2 deletions src/observer/sql/parser/lex_sql.l
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Expand Up @@ -78,8 +78,8 @@ QUOTE [\'\"]
{WHITE_SPACE} // ignore whitespace
\n ;

[\-]?{DIGIT}+ yylval->number=atoi(yytext); RETURN_TOKEN(NUMBER);
[\-]?{DIGIT}+{DOT}{DIGIT}+ yylval->floats=(float)(atof(yytext)); RETURN_TOKEN(FLOAT);
{DIGIT}+ yylval->number=atoi(yytext); RETURN_TOKEN(NUMBER);
{DIGIT}+{DOT}{DIGIT}+ yylval->floats=(float)(atof(yytext)); RETURN_TOKEN(FLOAT);

";" RETURN_TOKEN(SEMICOLON);
{DOT} RETURN_TOKEN(DOT);
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2 changes: 1 addition & 1 deletion src/observer/sql/parser/yacc_sql.y
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Expand Up @@ -189,7 +189,7 @@ UnboundAggregateExpr *create_aggregate_expression(const char *aggregate_name,

%left '+' '-'
%left '*' '/'
%nonassoc UMINUS
%right UMINUS
%%

commands: command_wrapper opt_semicolon //commands or sqls. parser starts here.
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