modification to prepare syntax

src/parser/SQLParser.cpp

@@ -34,5 +34,10 @@ SQLStatementList* SQLParser::parseSQLString(const char *text) {
     hsql_lex_destroy(scanner);
     return result;
 }
+
+SQLStatementList* SQLParser::parseSQLString(const std::string& text) {
+    return parseSQLString(text.c_str());
+}
+
     
 } // namespace hsql

src/parser/SQLParser.h

@@ -16,6 +16,7 @@ namespace hsql {
 class SQLParser {
 public:
 	static SQLStatementList* parseSQLString(const char* sql);
+	static SQLStatementList* parseSQLString(const std::string& sql);
 
 private:
 	SQLParser();

src/parser/bison_parser.y

@@ -224,11 +224,7 @@ int yyerror(YYLTYPE* llocp, SQLStatementList** result, yyscan_t scanner, const c
 
 // Defines our general input.
 input:
-		prepare_statement {
+		statement_list opt_semicolon {
-			$1->setPlaceholders(yyloc.placeholder_list);
-			*result = new SQLStatementList($1);
-		}
-	|	statement_list opt_semicolon {
 			*result = $1;
 		}
 	;
@@ -240,7 +236,12 @@ statement_list:
 	;
 
 statement:
-		preparable_statement
+		prepare_statement {
+			$1->setPlaceholders(yyloc.placeholder_list);
+			yyloc.placeholder_list.clear();
+			$$ = $1;
+		}
+	|	preparable_statement
 	;
 
 
@@ -261,7 +262,12 @@ preparable_statement:
  * Prepared Statement
  ******************************/
 prepare_statement:
-		PREPARE IDENTIFIER ':' statement_list opt_semicolon {
+		PREPARE IDENTIFIER ':' preparable_statement {
+			$$ = new PrepareStatement();
+			$$->name = $2;
+			$$->query = new SQLStatementList($4);
+		}
+	|	PREPARE IDENTIFIER '{' statement_list opt_semicolon '}' {
 			$$ = new PrepareStatement();
 			$$->name = $2;
 			$$->query = $4;

src/parser/flex_lexer.l

@@ -177,7 +177,7 @@ TO			TOKEN(TO)
 ">="		TOKEN(GREATEREQ)
 
 
-[-+*/(),.;<>=^%:?]	{ return yytext[0]; }
+[-+*/(){},.;<>=^%:?]	{ return yytext[0]; }
 
 
 [0-9]+"."[0-9]* |

src/sql_tests.cpp

@@ -75,22 +75,16 @@ TEST(UpdateStatementTest) {
 
 
 TEST(InsertStatementTest) {
-	SQLStatementList* stmt_list = SQLParser::parseSQLString("INSERT INTO students VALUES ('Max Mustermann', 12345, 'Musterhausen', 2.0)");
+	TEST_PARSE_SINGLE_SQL("INSERT INTO students VALUES ('Max Mustermann', 12345, 'Musterhausen', 2.0)", kStmtInsert, InsertStatement, stmt);
-	ASSERT(stmt_list->isValid);
-	ASSERT_EQ(stmt_list->numStatements(), 1);
-	ASSERT_EQ(stmt_list->getStatement(0)->type(), kStmtInsert);
 
+	ASSERT_EQ(stmt->values->size(), 4);
 	// TODO
 }
 
 
 TEST(DropTableStatementTest) {
-	SQLStatementList* stmt_list = SQLParser::parseSQLString("DROP TABLE students");
+	TEST_PARSE_SINGLE_SQL("DROP TABLE students", kStmtDrop, DropStatement, stmt);
-	ASSERT(stmt_list->isValid);
-	ASSERT_EQ(stmt_list->numStatements(), 1);
-	ASSERT_EQ(stmt_list->getStatement(0)->type(), kStmtDrop);
 
-	DropStatement* stmt = (DropStatement*) stmt_list->getStatement(0);
 	ASSERT_EQ(stmt->type, DropStatement::kTable);
 	ASSERT_NOTNULL(stmt->name);
 	ASSERT_STREQ(stmt->name, "students");
@@ -98,22 +92,30 @@ TEST(DropTableStatementTest) {
 
 
 TEST(PrepareStatementTest) {
-	TEST_PARSE_SINGLE_SQL("PREPARE test:"
+	std::string query = "PREPARE test {"
 		"INSERT INTO test VALUES(?);"
 		"SELECT ?, test FROM test WHERE c1 = ?;"
-		"", kStmtPrepare, PrepareStatement, prep_stmt);
+		"};"
+		"PREPARE stmt: SELECT * FROM data WHERE c1 = ?;";
 
-	ASSERT_STREQ(prep_stmt->name, "test");
+	TEST_PARSE_SQL_QUERY(query, stmt_list, 2);
-	ASSERT_EQ(prep_stmt->placeholders.size(), 3);
 
+	ASSERT_EQ(stmt_list->getStatement(0)->type(), kStmtPrepare);
+	ASSERT_EQ(stmt_list->getStatement(1)->type(), kStmtPrepare);
 
-	ASSERT_EQ(prep_stmt->query->numStatements(), 2);
+	PrepareStatement* prep1 = (PrepareStatement*) stmt_list->getStatement(0);
-	ASSERT_EQ(prep_stmt->query->getStatement(0)->type(), kStmtInsert);
+	PrepareStatement* prep2 = (PrepareStatement*) stmt_list->getStatement(1);
-	ASSERT_EQ(prep_stmt->query->getStatement(1)->type(), kStmtSelect);
 
+	// Prepare Statement #1
+	ASSERT_STREQ(prep1->name, "test");
+	ASSERT_EQ(prep1->placeholders.size(), 3);
 
-	InsertStatement* insert = (InsertStatement*) prep_stmt->query->getStatement(0);
+	ASSERT_EQ(prep1->query->numStatements(), 2);
-	SelectStatement* select = (SelectStatement*) prep_stmt->query->getStatement(1);
+	ASSERT_EQ(prep1->query->getStatement(0)->type(), kStmtInsert);
+	ASSERT_EQ(prep1->query->getStatement(1)->type(), kStmtSelect);
+
+	InsertStatement* insert = (InsertStatement*) prep1->query->getStatement(0);
+	SelectStatement* select = (SelectStatement*) prep1->query->getStatement(1);
 
 	ASSERT(insert->values->at(0)->isType(kExprPlaceholder));
 	ASSERT(select->select_list->at(0)->isType(kExprPlaceholder));
@@ -121,13 +123,17 @@ TEST(PrepareStatementTest) {
 
 	// Check IDs of placeholders
 	ASSERT_EQ(insert->values->at(0)->ival, 0);
-	ASSERT_EQ(insert->values->at(0), prep_stmt->placeholders[0]);
+	ASSERT_EQ(insert->values->at(0), prep1->placeholders[0]);
 
 	ASSERT_EQ(select->select_list->at(0)->ival, 1);
-	ASSERT_EQ(select->select_list->at(0), prep_stmt->placeholders[1]);
+	ASSERT_EQ(select->select_list->at(0), prep1->placeholders[1]);
 
 	ASSERT_EQ(select->where_clause->expr2->ival, 2);
-	ASSERT_EQ(select->where_clause->expr2, prep_stmt->placeholders[2]);
+	ASSERT_EQ(select->where_clause->expr2, prep1->placeholders[2]);
+
+	// Prepare Statement #2
+	ASSERT_STREQ(prep2->name, "stmt");
+	ASSERT_EQ(prep2->placeholders.size(), 1);
 }
 
 

src/tests/helper.h

@@ -2,14 +2,16 @@
 #define __HELPER_H__
 
 
+#define TEST_PARSE_SQL_QUERY(query, output_var, num_statements) \
+	SQLStatementList* output_var = SQLParser::parseSQLString(query); \
+	ASSERT(output_var->isValid); \
+	ASSERT_EQ(output_var->numStatements(), num_statements);
+
 
 #define TEST_PARSE_SINGLE_SQL(query, stmt_type, stmt_class, output_var) \
-    SQLStatementList* stmt_list = SQLParser::parseSQLString(query); \
+	TEST_PARSE_SQL_QUERY(query, stmt_list, 1); \
-    ASSERT(stmt_list->isValid); \
-    ASSERT_EQ(stmt_list->numStatements(), 1); \
     ASSERT_EQ(stmt_list->getStatement(0)->type(), stmt_type); \
     stmt_class* output_var = (stmt_class*) stmt_list->getStatement(0);
 
 
-
 #endif

src/tests/valid_queries.sql

@@ -33,5 +33,6 @@ UPDATE students SET grade = 1.0;
 DROP TABLE students;
 # PREPARE
 PREPARE prep_inst: INSERT INTO test VALUES (?, ?, ?);
+PREPARE prep2 { INSERT INTO test VALUES (?, 0, 0); INSERT INTO test VALUES (0, ?, 0); INSERT INTO test VALUES (0, 0, ?); };
 EXECUTE prep_inst(1, 2, 3);
 EXECUTE prep;