Allow the file extension with EXEC SQL INCLUDE (#147)

* fix: scanner.l

allow adding extension in EXEC SQL INCLUDE

* test: EXEC SQL INCLUDE with extension

* fix: tests/Makefile

* fix: include.at

* Add basic

* fix scanner.l

* test: add some cases EXEC SQL INCLUDE with extension

Author: tsh-hashimoto

ocesql/scanner.l

@@ -75,8 +75,7 @@ yyinput (char *buf, int max_size);
 JPNWORD [\xA0-\xDF]|([\x81-\x9F\xE0-\xFC][\x40-\x7E\x80-\xFC])
 DIGIT [0-9]
 WORD ([A-Za-z\+\-0-9_]|[(]|[)]|[\'])
-INCFILE [A-Za-z0-9_\+\-]+
-FILENAME [A-Za-z0-9_\+\-\.]+
+FILENAME [A-Za-z0-9_+\-]+(\.[A-Za-z0-9_+\-]+)*
 STRVALUE ("\""[^\"]*"\""|"\'"[^\']*"\'")
 HEXVALUE "X"("\""[^\"]+"\""|"\'"[^\']+"\'")
 NVALUE "N"("\""[^\"]+"\""|"\'"[^\']+"\'")
@@ -520,7 +519,7 @@ INT_CONSTANT {digit}+
 		yy_pop_state();
 		return END_EXEC;
 	}
-	{INCFILE} {
+	{FILENAME} {
 		memset(commandname,0,sizeof(commandname));
 		com_strcpy(commandname,sizeof(commandname),"INCFILE");
 		yylval.s = com_strdup (yytext);

tests/Makefile

@@ -19,6 +19,7 @@ basic_DEPENDENCIES = \
 	basic.src/declare.at \
 	basic.src/delete.at \
 	basic.src/fetch.at \
+	basic.src/include.at \
 	basic.src/insert.at \
 	basic.src/open-close.at \
 	basic.src/sample.at \