whatandClaude
304d553b3c
Create comprehensive documentation for future Claude Code instances working in this repository, including: - Development commands for testing, building, and code quality - Core architecture overview of the SQL query builder system - Directory structure and component explanations - Testing patterns and conventions - Key dependencies and their purposes 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
486 lines
16 KiB
Go
486 lines
16 KiB
Go
package sqlserver_test
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import (
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"database/sql"
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"fmt"
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"os"
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"testing"
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"time"
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"git.fsdpf.net/go/db/dialect/mysql"
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dbv2 "git.fsdpf.net/go/db"
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_ "git.fsdpf.net/go/db/dialect/sqlserver"
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_ "github.com/denisenkom/go-mssqldb"
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"github.com/stretchr/testify/suite"
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)
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const (
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dropTable = "DROP TABLE IF EXISTS \"entry\";"
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createTable = "CREATE TABLE \"entry\" (" +
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"\"id\" INT NOT NULL IDENTITY(1,1)," +
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"\"int\" INT NOT NULL UNIQUE," +
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"\"float\" FLOAT NOT NULL ," +
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"\"string\" VARCHAR(255) NOT NULL ," +
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"\"time\" DATETIME NOT NULL ," +
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"\"bool\" BIT NOT NULL ," +
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"\"bytes\" VARBINARY(100) NOT NULL ," +
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"PRIMARY KEY (\"id\") );"
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insertDefaultRecords = "INSERT INTO [entry] ([int], [float], [string], [time], [bool], [bytes]) VALUES" +
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"(0, 0.000000, '0.000000', '2015-02-22 18:19:55', 1, CONVERT(BINARY(8), '0.000000'))," +
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"(1, 0.100000, '0.100000', '2015-02-22 19:19:55', 0, CONVERT(BINARY(8), '0.100000'))," +
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"(2, 0.200000, '0.200000', '2015-02-22 20:19:55', 1, CONVERT(BINARY(8), '0.200000'))," +
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"(3, 0.300000, '0.300000', '2015-02-22 21:19:55', 0, CONVERT(BINARY(8), '0.300000'))," +
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"(4, 0.400000, '0.400000', '2015-02-22 22:19:55', 1, CONVERT(BINARY(8), '0.400000'))," +
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"(5, 0.500000, '0.500000', '2015-02-22 23:19:55', 0, CONVERT(BINARY(8), '0.500000'))," +
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"(6, 0.600000, '0.600000', '2015-02-23 00:19:55', 1, CONVERT(BINARY(8), '0.600000'))," +
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"(7, 0.700000, '0.700000', '2015-02-23 01:19:55', 0, CONVERT(BINARY(8), '0.700000'))," +
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"(8, 0.800000, '0.800000', '2015-02-23 02:19:55', 1, CONVERT(BINARY(8), '0.800000'))," +
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"(9, 0.900000, '0.900000', '2015-02-23 03:19:55', 0, CONVERT(BINARY(8), '0.900000'));"
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)
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const defaultDBURI = "sqlserver://sa:qwe123QWE@127.0.0.1:1433?database=master&connection+timeout=30"
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type (
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sqlserverTest struct {
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suite.Suite
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db *dbv2.Database
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}
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entry struct {
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ID uint32 `db:"id" ff:"skipinsert,skipupdate"`
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Int int `db:"int"`
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Float float64 `db:"float"`
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String string `db:"string"`
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Time time.Time `db:"time"`
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Bool bool `db:"bool"`
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Bytes []byte `db:"bytes"`
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}
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entryTestCase struct {
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ds *dbv2.SelectDataset
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len int
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check func(entry entry, index int)
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err string
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}
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)
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func (sst *sqlserverTest) assertEntries(cases ...entryTestCase) {
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for i, c := range cases {
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var entries []entry
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err := c.ds.ScanStructs(&entries)
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if c.err == "" {
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sst.NoError(err, "test case %d failed", i)
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} else {
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sst.EqualError(err, c.err, "test case %d failed", i)
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}
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sst.Len(entries, c.len)
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for index, entry := range entries {
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c.check(entry, index)
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}
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}
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}
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func (sst *sqlserverTest) SetupSuite() {
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dbURI := os.Getenv("SQLSERVER_URI")
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if dbURI == "" {
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dbURI = defaultDBURI
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}
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db, err := sql.Open("sqlserver", dbURI)
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if err != nil {
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panic(err.Error())
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}
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sst.db = dbv2.New("sqlserver", db)
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}
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func (sst *sqlserverTest) SetupTest() {
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if _, err := sst.db.Exec(dropTable); err != nil {
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panic(err)
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}
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if _, err := sst.db.Exec(createTable); err != nil {
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panic(err)
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}
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if _, err := sst.db.Exec(insertDefaultRecords); err != nil {
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panic(err)
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}
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}
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func (sst *sqlserverTest) TestToSQL() {
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ds := sst.db.From("entry")
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s, _, err := ds.Select("id", "float", "string", "time", "bool").ToSQL()
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sst.NoError(err)
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sst.Equal("SELECT \"id\", \"float\", \"string\", \"time\", \"bool\" FROM \"entry\"", s)
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s, _, err = ds.Where(dbv2.C("int").Eq(10)).ToSQL()
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sst.NoError(err)
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sst.Equal("SELECT * FROM \"entry\" WHERE (\"int\" = 10)", s)
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s, args, err := ds.Prepared(true).Where(dbv2.L("? = ?", dbv2.C("int"), 10)).ToSQL()
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sst.NoError(err)
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sst.Equal([]interface{}{int64(10)}, args)
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sst.Equal("SELECT * FROM \"entry\" WHERE \"int\" = @p1", s)
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}
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func (sst *sqlserverTest) TestQuery() {
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ds := sst.db.From("entry")
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floatVal := float64(0)
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baseDate, err := time.Parse(
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"2006-01-02 15:04:05",
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"2015-02-22 18:19:55",
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)
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sst.NoError(err)
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sst.assertEntries(
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entryTestCase{ds: ds.Order(dbv2.C("id").Asc()), len: 10, check: func(entry entry, index int) {
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f := fmt.Sprintf("%f", floatVal)
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sst.Equal(uint32(index+1), entry.ID)
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sst.Equal(index, entry.Int)
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sst.Equal(f, fmt.Sprintf("%f", entry.Float))
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sst.Equal(f, entry.String)
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sst.Equal([]byte(f), entry.Bytes)
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sst.Equal(index%2 == 0, entry.Bool)
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sst.Equal(baseDate.Add(time.Duration(index)*time.Hour).Unix(), entry.Time.Unix())
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floatVal += float64(0.1)
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}},
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entryTestCase{
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ds: ds.Where(dbv2.C("bool").IsTrue()).Order(dbv2.C("id").Asc()),
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err: "dbv2: boolean data type is not supported by dialect \"sqlserver\"",
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},
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entryTestCase{ds: ds.Where(dbv2.C("int").Gt(4)).Order(dbv2.C("id").Asc()), len: 5, check: func(entry entry, _ int) {
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sst.True(entry.Int > 4)
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}},
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entryTestCase{ds: ds.Where(dbv2.C("int").Gte(5)).Order(dbv2.C("id").Asc()), len: 5, check: func(entry entry, _ int) {
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sst.True(entry.Int >= 5)
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}},
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entryTestCase{ds: ds.Where(dbv2.C("int").Lt(5)).Order(dbv2.C("id").Asc()), len: 5, check: func(entry entry, _ int) {
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sst.True(entry.Int < 5)
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}},
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entryTestCase{ds: ds.Where(dbv2.C("int").Lte(4)).Order(dbv2.C("id").Asc()), len: 5, check: func(entry entry, _ int) {
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sst.True(entry.Int <= 4)
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}},
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entryTestCase{ds: ds.Where(dbv2.C("int").Between(dbv2.Range(3, 6))).Order(dbv2.C("id").Asc()), len: 4, check: func(entry entry, _ int) {
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sst.True(entry.Int >= 3)
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sst.True(entry.Int <= 6)
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}},
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entryTestCase{ds: ds.Where(dbv2.C("string").Eq("0.100000")).Order(dbv2.C("id").Asc()), len: 1, check: func(entry entry, _ int) {
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sst.Equal(entry.String, "0.100000")
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}},
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entryTestCase{ds: ds.Where(dbv2.C("string").Like("0.1%")).Order(dbv2.C("id").Asc()), len: 1, check: func(entry entry, _ int) {
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sst.Equal(entry.String, "0.100000")
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}},
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entryTestCase{ds: ds.Where(dbv2.C("string").NotLike("0.1%")).Order(dbv2.C("id").Asc()), len: 9, check: func(entry entry, _ int) {
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sst.NotEqual(entry.String, "0.100000")
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}},
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entryTestCase{ds: ds.Where(dbv2.C("string").IsNull()).Order(dbv2.C("id").Asc()), len: 0, check: func(entry entry, _ int) {
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sst.Fail("Should not have returned any records")
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}},
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)
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}
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func (sst *sqlserverTest) TestQuery_Prepared() {
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ds := sst.db.From("entry").Prepared(true)
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floatVal := float64(0)
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baseDate, err := time.Parse(
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"2006-01-02 15:04:05",
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"2015-02-22 18:19:55",
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)
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sst.NoError(err)
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sst.assertEntries(
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entryTestCase{ds: ds.Order(dbv2.C("id").Asc()), len: 10, check: func(entry entry, index int) {
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f := fmt.Sprintf("%f", floatVal)
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sst.Equal(uint32(index+1), entry.ID)
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sst.Equal(index, entry.Int)
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sst.Equal(f, fmt.Sprintf("%f", entry.Float))
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sst.Equal(f, entry.String)
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sst.Equal([]byte(f), entry.Bytes)
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sst.Equal(index%2 == 0, entry.Bool)
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sst.Equal(baseDate.Add(time.Duration(index)*time.Hour).Unix(), entry.Time.Unix())
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floatVal += float64(0.1)
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}},
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entryTestCase{
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ds: ds.Where(dbv2.C("bool").IsTrue()).Order(dbv2.C("id").Asc()),
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err: "dbv2: boolean data type is not supported by dialect \"sqlserver\"",
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},
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entryTestCase{ds: ds.Where(dbv2.C("int").Gt(4)).Order(dbv2.C("id").Asc()), len: 5, check: func(entry entry, _ int) {
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sst.True(entry.Int > 4)
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}},
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entryTestCase{ds: ds.Where(dbv2.C("int").Gte(5)).Order(dbv2.C("id").Asc()), len: 5, check: func(entry entry, _ int) {
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sst.True(entry.Int >= 5)
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}},
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entryTestCase{ds: ds.Where(dbv2.C("int").Lt(5)).Order(dbv2.C("id").Asc()), len: 5, check: func(entry entry, _ int) {
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sst.True(entry.Int < 5)
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}},
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entryTestCase{ds: ds.Where(dbv2.C("int").Lte(4)).Order(dbv2.C("id").Asc()), len: 5, check: func(entry entry, _ int) {
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sst.True(entry.Int <= 4)
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}},
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entryTestCase{ds: ds.Where(dbv2.C("int").Between(dbv2.Range(3, 6))).Order(dbv2.C("id").Asc()), len: 4, check: func(entry entry, _ int) {
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sst.True(entry.Int >= 3)
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sst.True(entry.Int <= 6)
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}},
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entryTestCase{ds: ds.Where(dbv2.C("string").Eq("0.100000")).Order(dbv2.C("id").Asc()), len: 1, check: func(entry entry, _ int) {
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sst.Equal(entry.String, "0.100000")
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}},
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entryTestCase{ds: ds.Where(dbv2.C("string").Like("0.1%")).Order(dbv2.C("id").Asc()), len: 1, check: func(entry entry, _ int) {
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sst.Equal(entry.String, "0.100000")
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}},
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entryTestCase{ds: ds.Where(dbv2.C("string").NotLike("0.1%")).Order(dbv2.C("id").Asc()), len: 9, check: func(entry entry, _ int) {
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sst.NotEqual(entry.String, "0.100000")
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}},
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entryTestCase{ds: ds.Where(dbv2.C("string").IsNull()).Order(dbv2.C("id").Asc()), len: 0, check: func(entry entry, _ int) {
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sst.Fail("Should not have returned any records")
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}},
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)
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}
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func (sst *sqlserverTest) TestQuery_ValueExpressions() {
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type wrappedEntry struct {
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entry
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BoolValue bool `db:"bool_value"`
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}
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expectedDate, err := time.Parse("2006-01-02 15:04:05", "2015-02-22 19:19:55")
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sst.NoError(err)
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ds := sst.db.From("entry").Select(dbv2.Star(), dbv2.V(true).As("bool_value")).Where(dbv2.Ex{"int": 1})
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var we wrappedEntry
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found, err := ds.ScanStruct(&we)
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sst.NoError(err)
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sst.True(found)
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sst.Equal(wrappedEntry{
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entry{2, 1, 0.100000, "0.100000", expectedDate, false, []byte("0.100000")},
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true,
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}, we)
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}
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func (sst *sqlserverTest) TestCount() {
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ds := sst.db.From("entry")
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count, err := ds.Count()
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sst.NoError(err)
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sst.Equal(int64(10), count)
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count, err = ds.Where(dbv2.C("int").Gt(4)).Count()
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sst.NoError(err)
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sst.Equal(int64(5), count)
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count, err = ds.Where(dbv2.C("int").Gte(4)).Count()
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sst.NoError(err)
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sst.Equal(int64(6), count)
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count, err = ds.Where(dbv2.C("string").Like("0.1%")).Count()
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sst.NoError(err)
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sst.Equal(int64(1), count)
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count, err = ds.Where(dbv2.C("string").IsNull()).Count()
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sst.NoError(err)
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sst.Equal(int64(0), count)
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}
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func (sst *sqlserverTest) TestLimitOffset() {
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ds := sst.db.From("entry").Where(dbv2.C("id").Gte(1)).Limit(1)
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var e entry
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found, err := ds.ScanStruct(&e)
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sst.NoError(err)
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sst.True(found)
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sst.Equal(uint32(1), e.ID)
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ds = sst.db.From("entry").Where(dbv2.C("id").Gte(1)).Order(dbv2.C("id").Desc()).Limit(1)
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found, err = ds.ScanStruct(&e)
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sst.NoError(err)
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sst.True(found)
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sst.Equal(uint32(10), e.ID)
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ds = sst.db.From("entry").Where(dbv2.C("id").Gte(1)).Order(dbv2.C("id").Asc()).Offset(1).Limit(1)
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found, err = ds.ScanStruct(&e)
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sst.NoError(err)
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sst.True(found)
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sst.Equal(uint32(2), e.ID)
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}
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func (sst *sqlserverTest) TestLimitOffsetParameterized() {
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ds := sst.db.From("entry").Prepared(true).Where(dbv2.C("id").Gte(1)).Limit(1)
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var e entry
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found, err := ds.ScanStruct(&e)
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sst.NoError(err)
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sst.True(found)
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sst.Equal(uint32(1), e.ID)
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ds = sst.db.From("entry").Prepared(true).Where(dbv2.C("id").Gte(1)).Order(dbv2.C("id").Desc()).Limit(1)
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found, err = ds.ScanStruct(&e)
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sst.NoError(err)
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sst.True(found)
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sst.Equal(uint32(10), e.ID)
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ds = sst.db.From("entry").Prepared(true).Where(dbv2.C("id").Gte(1)).Order(dbv2.C("id").Asc()).Offset(1).Limit(1)
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found, err = ds.ScanStruct(&e)
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sst.NoError(err)
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sst.True(found)
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sst.Equal(uint32(2), e.ID)
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}
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func (sst *sqlserverTest) TestInsert() {
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ds := sst.db.From("entry")
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now := time.Now()
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_, err := ds.Insert().Rows(dbv2.Record{
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"Int": 10,
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"Float": 1.00000,
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"String": "1.000000",
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"Time": now,
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"Bool": true,
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"Bytes": dbv2.Cast(dbv2.V([]byte("1.000000")), "BINARY(8)"),
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}).Executor().Exec()
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sst.NoError(err)
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var insertedEntry entry
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found, err := ds.Where(dbv2.C("int").Eq(10)).ScanStruct(&insertedEntry)
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sst.NoError(err)
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sst.True(found)
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sst.True(insertedEntry.ID > 0)
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entries := []dbv2.Record{
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{
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"Int": 11, "Float": 1.100000, "String": "1.100000", "Time": now,
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"Bool": false, "Bytes": dbv2.Cast(dbv2.V([]byte("1.100000")), "BINARY(8)"),
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},
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{
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"Int": 12, "Float": 1.200000, "String": "1.200000", "Time": now,
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"Bool": true, "Bytes": dbv2.Cast(dbv2.V([]byte("1.200000")), "BINARY(8)"),
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},
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{
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"Int": 13, "Float": 1.300000, "String": "1.300000", "Time": now,
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"Bool": false, "Bytes": dbv2.Cast(dbv2.V([]byte("1.300000")), "BINARY(8)"),
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},
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{
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"Int": 14, "Float": 1.400000, "String": "1.400000", "Time": now,
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"Bool": true, "Bytes": dbv2.Cast(dbv2.V([]byte("1.400000")), "BINARY(8)"),
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},
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}
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_, err = ds.Insert().Rows(entries).Executor().Exec()
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sst.NoError(err)
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var newEntries []entry
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sst.NoError(ds.Where(dbv2.C("int").In([]uint32{11, 12, 13, 14})).ScanStructs(&newEntries))
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sst.Len(newEntries, 4)
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for i, e := range newEntries {
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sst.Equal(entries[i]["Int"], e.Int)
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sst.Equal(entries[i]["Float"], e.Float)
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sst.Equal(entries[i]["String"], e.String)
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sst.Equal(
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entries[i]["Time"].(time.Time).UTC().Format(mysql.DialectOptions().TimeFormat),
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e.Time.Format(mysql.DialectOptions().TimeFormat),
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)
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sst.Equal(entries[i]["Bool"], e.Bool)
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sst.Equal([]byte(entries[i]["String"].(string)), e.Bytes)
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}
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_, err = ds.Insert().Rows(
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dbv2.Record{
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"Int": 15, "Float": 1.500000, "String": "1.500000", "Time": now,
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"Bool": false, "Bytes": dbv2.Cast(dbv2.V([]byte("1.500000")), "BINARY(8)"),
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},
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dbv2.Record{
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"Int": 16, "Float": 1.600000, "String": "1.600000", "Time": now,
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"Bool": true, "Bytes": dbv2.Cast(dbv2.V([]byte("1.600000")), "BINARY(8)"),
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},
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dbv2.Record{
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"Int": 17, "Float": 1.700000, "String": "1.700000", "Time": now,
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"Bool": false, "Bytes": dbv2.Cast(dbv2.V([]byte("1.700000")), "BINARY(8)"),
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},
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dbv2.Record{
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"Int": 18, "Float": 1.800000, "String": "1.800000", "Time": now,
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"Bool": true, "Bytes": dbv2.Cast(dbv2.V([]byte("1.800000")), "BINARY(8)"),
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},
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).Executor().Exec()
|
|
sst.NoError(err)
|
|
|
|
newEntries = newEntries[0:0]
|
|
sst.NoError(ds.Where(dbv2.C("int").In([]uint32{15, 16, 17, 18})).ScanStructs(&newEntries))
|
|
sst.Len(newEntries, 4)
|
|
}
|
|
|
|
func (sst *sqlserverTest) TestInsertReturningProducesError() {
|
|
ds := sst.db.From("entry")
|
|
now := time.Now()
|
|
e := entry{Int: 10, Float: 1.000000, String: "1.000000", Time: now, Bool: true, Bytes: []byte("1.000000")}
|
|
_, err := ds.Insert().Rows(e).Returning(dbv2.Star()).Executor().ScanStruct(&e)
|
|
sst.Error(err)
|
|
}
|
|
|
|
func (sst *sqlserverTest) TestUpdate() {
|
|
ds := sst.db.From("entry")
|
|
var e entry
|
|
found, err := ds.Where(dbv2.C("int").Eq(9)).Select("id").ScanStruct(&e)
|
|
sst.NoError(err)
|
|
sst.True(found)
|
|
e.Int = 11
|
|
_, err = ds.Where(dbv2.C("id").Eq(e.ID)).Update().Set(dbv2.Record{"Int": e.Int}).Executor().Exec()
|
|
sst.NoError(err)
|
|
|
|
count, err := ds.Where(dbv2.C("int").Eq(11)).Count()
|
|
sst.NoError(err)
|
|
sst.Equal(int64(1), count)
|
|
}
|
|
|
|
func (sst *sqlserverTest) TestUpdateReturning() {
|
|
ds := sst.db.From("entry")
|
|
var id uint32
|
|
_, err := ds.Where(dbv2.C("int").Eq(11)).
|
|
Update().
|
|
Set(dbv2.Record{"int": 9}).
|
|
Returning("id").
|
|
Executor().ScanVal(&id)
|
|
sst.Error(err)
|
|
sst.EqualError(err, "dbv2: dialect does not support RETURNING clause [dialect=sqlserver]")
|
|
}
|
|
|
|
func (sst *sqlserverTest) TestDelete() {
|
|
ds := sst.db.From("entry")
|
|
var e entry
|
|
found, err := ds.Where(dbv2.C("int").Eq(9)).Select("id").ScanStruct(&e)
|
|
sst.NoError(err)
|
|
sst.True(found)
|
|
_, err = ds.Where(dbv2.C("id").Eq(e.ID)).Delete().Executor().Exec()
|
|
sst.NoError(err)
|
|
|
|
count, err := ds.Count()
|
|
sst.NoError(err)
|
|
sst.Equal(int64(9), count)
|
|
|
|
var id uint32
|
|
found, err = ds.Where(dbv2.C("id").Eq(e.ID)).ScanVal(&id)
|
|
sst.NoError(err)
|
|
sst.False(found)
|
|
|
|
e = entry{}
|
|
found, err = ds.Where(dbv2.C("int").Eq(8)).Select("id").ScanStruct(&e)
|
|
sst.NoError(err)
|
|
sst.True(found)
|
|
sst.NotEqual(0, e.ID)
|
|
|
|
id = 0
|
|
_, err = ds.Where(dbv2.C("id").Eq(e.ID)).Delete().Returning("id").Executor().ScanVal(&id)
|
|
sst.EqualError(err, "db: dialect does not support RETURNING clause [dialect=sqlserver]")
|
|
}
|
|
|
|
func (sst *sqlserverTest) TestInsertIgnoreNotSupported() {
|
|
ds := sst.db.From("entry")
|
|
now := time.Now()
|
|
|
|
// insert one
|
|
entries := []dbv2.Record{
|
|
{
|
|
"Int": 8, "Float": 6.100000, "String": "6.100000", "Bool": false, "Time": now,
|
|
"Bytes": dbv2.Cast(dbv2.V([]byte("6.100000")), "BINARY(8)"),
|
|
},
|
|
{
|
|
"Int": 9, "Float": 7.200000, "String": "7.200000", "Bool": false, "Time": now,
|
|
"Bytes": dbv2.Cast(dbv2.V([]byte("7.200000")), "BINARY(8)"),
|
|
},
|
|
{
|
|
"Int": 10, "Float": 7.200000, "String": "7.200000", "Bool": false, "Time": now,
|
|
"Bytes": dbv2.Cast(dbv2.V([]byte("7.200000")), "BINARY(8)"),
|
|
},
|
|
}
|
|
_, err := ds.Insert().Rows(entries).OnConflict(dbv2.DoNothing()).Executor().Exec()
|
|
sst.Error(err)
|
|
sst.Contains(err.Error(), "Cannot insert duplicate key in object 'dbo.entry'. The duplicate key value is (8)")
|
|
|
|
count, err := ds.Count()
|
|
sst.NoError(err)
|
|
sst.Equal(count, int64(10))
|
|
}
|
|
|
|
func TestSqlServerSuite(t *testing.T) {
|
|
suite.Run(t, new(sqlserverTest))
|
|
}
|