SNOW-857631 Handle multistatement query type

arrow_test.go

@@ -13,6 +13,45 @@ import (
 	"time"
 )
 
+func TestCheckVersion(t *testing.T) {
+	conn := openConn(t)
+	defer conn.Close()
+
+	rows, err := conn.QueryContext(context.Background(), "SELECT current_version()")
+	if err != nil {
+		t.Error(err)
+	}
+	defer rows.Close()
+
+	if !rows.Next() {
+		t.Fatalf("failed to find any row")
+	}
+	var s string
+	if err = rows.Scan(&s); err != nil {
+		t.Fatal(err)
+	}
+	println(s)
+}
+
+func TestCheckParameters(t *testing.T) {
+	conn := openConn(t)
+	defer conn.Close()
+
+	rows, err := conn.QueryContext(context.Background(), "show parameters like '%'")
+	if err != nil {
+		t.Error(err)
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var key, value, def, level, description, typ string
+		if err = rows.Scan(&key, &value, &def, &level, &description, &typ); err != nil {
+			t.Fatal(err)
+		}
+		println(key, value, def, level, description, typ)
+	}
+}
+
 func TestArrowBigInt(t *testing.T) {
 	conn := openConn(t)
 	defer conn.Close()

connection.go

@@ -37,9 +37,10 @@ const (
 )
 
 const (
-	statementTypeIDMulti            = int64(0x1000)
+	statementTypeIDSelect           = int64(0x1000)
 	statementTypeIDDml              = int64(0x3000)
 	statementTypeIDMultiTableInsert = statementTypeIDDml + int64(0x500)
+	statementTypeIDMultistatement   = int64(0xA000)
 )
 
 const (

connection_util.go

@@ -213,8 +213,8 @@ func updateRows(data execResponseData) (int64, error) {
 // Note that the statement type code is also equivalent to type INSERT, so an
 // additional check of the name is required
 func isMultiStmt(data *execResponseData) bool {
-	return data.StatementTypeID == statementTypeIDMulti &&
-		data.RowType[0].Name == "multiple statement execution"
+	var isMultistatementByReturningSelect = data.StatementTypeID == statementTypeIDSelect && data.RowType[0].Name == "multiple statement execution"
+	return isMultistatementByReturningSelect || data.StatementTypeID == statementTypeIDMultistatement
 }
 
 func getResumeQueryID(ctx context.Context) (string, error) {

multistatement_test.go

@@ -6,6 +6,7 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"io"
 	"net/http"
 	"net/url"
@@ -22,11 +23,8 @@ func TestMultiStatementExecuteNoResultSet(t *testing.T) {
 		"insert into test_multi_statement_txn values (1, 'a'), (2, 'b');\n" +
 		"commit;"
 
-	runDBTest(t, func(dbt *DBTest) {
-		dbt.mustExec("drop table if exists test_multi_statement_txn")
-		dbt.mustExec(`create or replace table test_multi_statement_txn(
-			c1 number, c2 string) as select 10, 'z'`)
-		defer dbt.mustExec("drop table if exists test_multi_statement_txn")
+	testForAllMultistatementTypes(t, func(dbt *DBTest) {
+		dbt.mustExec(`create or replace table test_multi_statement_txn(c1 number, c2 string) as select 10, 'z'`)
 
 		res := dbt.mustExecContext(ctx, multiStmtQuery)
 		count, err := res.RowsAffected()
@@ -48,7 +46,8 @@ func TestMultiStatementQueryResultSet(t *testing.T) {
 
 	var v1, v2, v3 int64
 	var v4 string
-	runDBTest(t, func(dbt *DBTest) {
+
+	testForAllMultistatementTypes(t, func(dbt *DBTest) {
 		rows := dbt.mustQueryContext(ctx, multiStmtQuery)
 		defer rows.Close()
 
@@ -120,7 +119,7 @@ func TestMultiStatementExecuteResultSet(t *testing.T) {
 		"select 2;\n" +
 		"rollback;"
 
-	runDBTest(t, func(dbt *DBTest) {
+	testForAllMultistatementTypes(t, func(dbt *DBTest) {
 		dbt.mustExec("drop table if exists test_multi_statement_txn_rb")
 		dbt.mustExec(`create or replace table test_multi_statement_txn_rb(
 			c1 number, c2 string) as select 10, 'z'`)
@@ -144,7 +143,7 @@ func TestMultiStatementQueryNoResultSet(t *testing.T) {
 		"insert into test_multi_statement_txn values (1, 'a'), (2, 'b');\n" +
 		"commit;"
 
-	runDBTest(t, func(dbt *DBTest) {
+	testForAllMultistatementTypes(t, func(dbt *DBTest) {
 		dbt.mustExec("drop table if exists test_multi_statement_txn")
 		dbt.mustExec(`create or replace table test_multi_statement_txn(
 			c1 number, c2 string) as select 10, 'z'`)
@@ -161,7 +160,7 @@ func TestMultiStatementExecuteMix(t *testing.T) {
 		"insert into test_multi values (1), (2);\n" +
 		"select cola from test_multi order by cola asc;"
 
-	runDBTest(t, func(dbt *DBTest) {
+	testForAllMultistatementTypes(t, func(dbt *DBTest) {
 		dbt.mustExec("drop table if exists test_multi_statement_txn")
 		dbt.mustExec(`create or replace table test_multi_statement_txn(
 			c1 number, c2 string) as select 10, 'z'`)
@@ -185,7 +184,7 @@ func TestMultiStatementQueryMix(t *testing.T) {
 		"select cola from test_multi order by cola asc;"
 
 	var count, v int
-	runDBTest(t, func(dbt *DBTest) {
+	testForAllMultistatementTypes(t, func(dbt *DBTest) {
 		dbt.mustExec("drop table if exists test_multi_statement_txn")
 		dbt.mustExec(`create or replace table test_multi_statement_txn(
 			c1 number, c2 string) as select 10, 'z'`)
@@ -232,7 +231,7 @@ func TestMultiStatementCountZero(t *testing.T) {
 	var v3 float64
 	var v4 bool
 
-	runDBTest(t, func(dbt *DBTest) {
+	testForAllMultistatementTypes(t, func(dbt *DBTest) {
 		// first query
 		multiStmtQuery1 := "select 123;\n" +
 			"select '456';"
@@ -352,7 +351,7 @@ func TestMultiStatementVaryingColumnCount(t *testing.T) {
 	ctx, _ := WithMultiStatement(context.Background(), 0)
 
 	var v1, v2 int
-	runDBTest(t, func(dbt *DBTest) {
+	testForAllMultistatementTypes(t, func(dbt *DBTest) {
 		dbt.mustExec("create or replace table test_tbl(c1 int, c2 int)")
 		dbt.mustExec("insert into test_tbl values(1, 0)")
 		defer dbt.mustExec("drop table if exists test_tbl")
@@ -593,3 +592,14 @@ func TestUnitHandleMultiQuery(t *testing.T) {
 		t.Fatalf("unexpected error code. expected: %v, got: %v", ErrFailedToPostQuery, driverErr.Number)
 	}
 }
+
+func testForAllMultistatementTypes(t *testing.T, test func(dbt *DBTest)) {
+	for _, enableMultistatementType := range []bool{false, true} {
+		t.Run(fmt.Sprintf("enableMultistatementType=%v", enableMultistatementType), func(t *testing.T) {
+			runDBTest(t, func(dbt *DBTest) {
+				dbt.mustExec(fmt.Sprintf("ALTER SESSION SET ENABLE_MULTI_STMT_QUERY_TYPE = %v", enableMultistatementType))
+				test(dbt)
+			})
+		})
+	}
+}