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-rw-r--r--src/bin/pgbench/exprscan.l2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/bin/pgbench/exprscan.l b/src/bin/pgbench/exprscan.l
index cb51a98fd6b..fc7615f5585 100644
--- a/src/bin/pgbench/exprscan.l
+++ b/src/bin/pgbench/exprscan.l
@@ -61,7 +61,7 @@ space [ \t\r\f]
yylval.ival = strtoint64(yytext);
return INTEGER;
}
-{alpha}{alnum}+ {
+{alpha}{alnum}* {
yycol += yyleng;
yylval.str = pg_strdup(yytext);
return FUNCTION;