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>
470 lines
16 KiB
Go
470 lines
16 KiB
Go
package sqlite3_test
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import (
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"database/sql"
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"fmt"
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"testing"
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"time"
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_ "github.com/mattn/go-sqlite3"
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dbv2 "git.fsdpf.net/go/db"
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"git.fsdpf.net/go/db/dialect/mysql"
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"git.fsdpf.net/go/db/dialect/sqlite3"
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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` INTEGER PRIMARY KEY," +
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"`int` INT NOT NULL ," +
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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` TINYINT NOT NULL ," +
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"`bytes` BLOB NOT NULL" +
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");"
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insertDefaultRecords = "INSERT INTO `entry` (`int`, `float`, `string`, `time`, `bool`, `bytes`) VALUES" +
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"(0, 0.000000, '0.000000', '2015-02-22T18:19:55.000000000-00:00', 1, '0.000000')," +
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"(1, 0.100000, '0.100000', '2015-02-22T19:19:55.000000000-00:00', 0, '0.100000')," +
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"(2, 0.200000, '0.200000', '2015-02-22T20:19:55.000000000-00:00', 1, '0.200000')," +
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"(3, 0.300000, '0.300000', '2015-02-22T21:19:55.000000000-00:00', 0, '0.300000')," +
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"(4, 0.400000, '0.400000', '2015-02-22T22:19:55.000000000-00:00', 1, '0.400000')," +
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"(5, 0.500000, '0.500000', '2015-02-22T23:19:55.000000000-00:00', 0, '0.500000')," +
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"(6, 0.600000, '0.600000', '2015-02-23T00:19:55.000000000-00:00', 1, '0.600000')," +
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"(7, 0.700000, '0.700000', '2015-02-23T01:19:55.000000000-00:00', 0, '0.700000')," +
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"(8, 0.800000, '0.800000', '2015-02-23T02:19:55.000000000-00:00', 1, '0.800000')," +
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"(9, 0.900000, '0.900000', '2015-02-23T03:19:55.000000000-00:00', 0, '0.900000');"
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)
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var dbURI = ":memory:"
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type (
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sqlite3Suite 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 (st *sqlite3Suite) SetupSuite() {
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db, err := sql.Open("sqlite3", dbURI)
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if err != nil {
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panic(err.Error())
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}
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st.db = dbv2.New("sqlite3", db)
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}
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func (st *sqlite3Suite) assertSQL(cases ...sqlTestCase) {
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for i, c := range cases {
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actualSQL, actualArgs, err := c.ds.ToSQL()
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if c.err == "" {
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st.NoError(err, "test case %d failed", i)
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} else {
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st.EqualError(err, c.err, "test case %d failed", i)
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}
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st.Equal(c.sql, actualSQL, "test case %d failed", i)
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if c.isPrepared && c.args != nil || len(c.args) > 0 {
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st.Equal(c.args, actualArgs, "test case %d failed", i)
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} else {
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st.Empty(actualArgs, "test case %d failed", i)
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}
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}
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}
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func (st *sqlite3Suite) 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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st.NoError(err, "test case %d failed", i)
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} else {
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st.EqualError(err, c.err, "test case %d failed", i)
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}
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st.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 (st *sqlite3Suite) SetupTest() {
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if _, err := st.db.Exec(dropTable); err != nil {
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panic(err)
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}
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if _, err := st.db.Exec(createTable); err != nil {
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panic(err)
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}
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if _, err := st.db.Exec(insertDefaultRecords); err != nil {
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panic(err)
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}
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}
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func (st *sqlite3Suite) TestSelectSQL() {
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ds := st.db.From("entry")
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st.assertSQL(
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sqlTestCase{ds: ds.Select("id", "float", "string", "time", "bool"), sql: "SELECT `id`, `float`, `string`, `time`, `bool` FROM `entry`"},
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sqlTestCase{ds: ds.Where(dbv2.C("int").Eq(10)), sql: "SELECT * FROM `entry` WHERE (`int` = 10)"},
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sqlTestCase{
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ds: ds.Prepared(true).Where(dbv2.L("? = ?", dbv2.C("int"), 10)),
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sql: "SELECT * FROM `entry` WHERE `int` = ?",
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args: []interface{}{int64(10)},
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},
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)
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}
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func (st *sqlite3Suite) TestCompoundQueries() {
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ds1 := st.db.From("entry").Select("int").Where(dbv2.C("int").Gt(0))
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ds2 := st.db.From("entry").Select("int").Where(dbv2.C("int").Gt(5))
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var ids []int64
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err := ds1.Union(ds2).ScanVals(&ids)
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st.NoError(err)
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st.Equal([]int64{1, 2, 3, 4, 5, 6, 7, 8, 9}, ids)
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ids = ids[0:0]
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err = ds1.UnionAll(ds2).ScanVals(&ids)
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st.NoError(err)
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st.Equal([]int64{1, 2, 3, 4, 5, 6, 7, 8, 9, 6, 7, 8, 9}, ids)
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ids = ids[0:0]
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err = ds1.Intersect(ds2).ScanVals(&ids)
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st.NoError(err)
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st.Equal([]int64{6, 7, 8, 9}, ids)
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}
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func (st *sqlite3Suite) TestQuery() {
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ds := st.db.From("entry")
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floatVal := float64(0)
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baseDate, err := time.Parse(sqlite3.DialectOptions().TimeFormat, "2015-02-22T18:19:55.000000000-00:00")
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st.NoError(err)
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st.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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st.Equal(uint32(index+1), entry.ID)
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st.Equal(index, entry.Int)
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st.Equal(f, fmt.Sprintf("%f", entry.Float))
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st.Equal(f, entry.String)
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st.Equal([]byte(f), entry.Bytes)
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st.Equal(index%2 == 0, entry.Bool)
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st.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{ds: ds.Where(dbv2.C("bool").IsTrue()).Order(dbv2.C("id").Asc()), len: 5, check: func(entry entry, _ int) {
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st.True(entry.Bool)
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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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st.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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st.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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st.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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st.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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st.True(entry.Int >= 3)
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st.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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st.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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st.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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st.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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st.Fail("Should not have returned any records")
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}},
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)
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}
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func (st *sqlite3Suite) TestQuery_Prepared() {
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ds := st.db.From("entry").Prepared(true)
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floatVal := float64(0)
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baseDate, err := time.Parse(sqlite3.DialectOptions().TimeFormat, "2015-02-22T18:19:55.000000000-00:00")
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st.NoError(err)
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st.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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st.Equal(uint32(index+1), entry.ID)
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st.Equal(index, entry.Int)
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st.Equal(f, fmt.Sprintf("%f", entry.Float))
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st.Equal(f, entry.String)
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st.Equal([]byte(f), entry.Bytes)
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st.Equal(index%2 == 0, entry.Bool)
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st.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{ds: ds.Where(dbv2.C("bool").IsTrue()).Order(dbv2.C("id").Asc()), len: 5, check: func(entry entry, _ int) {
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st.True(entry.Bool)
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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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st.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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st.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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st.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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st.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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st.True(entry.Int >= 3)
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st.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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st.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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st.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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st.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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st.Fail("Should not have returned any records")
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}},
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)
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}
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func (st *sqlite3Suite) 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("2006-01-02T15:04:05.000000000-00:00", "2015-02-22T19:19:55.000000000-00:00")
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st.NoError(err)
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ds := st.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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st.NoError(err)
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st.True(found)
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st.Equal(we, 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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})
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}
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func (st *sqlite3Suite) TestCount() {
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ds := st.db.From("entry")
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count, err := ds.Count()
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st.NoError(err)
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st.Equal(int64(10), count)
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count, err = ds.Where(dbv2.C("int").Gt(4)).Count()
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st.NoError(err)
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st.Equal(int64(5), count)
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count, err = ds.Where(dbv2.C("int").Gte(4)).Count()
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st.NoError(err)
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st.Equal(int64(6), count)
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count, err = ds.Where(dbv2.C("string").Like("0.1%")).Count()
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st.NoError(err)
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st.Equal(int64(1), count)
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count, err = ds.Where(dbv2.C("string").IsNull()).Count()
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st.NoError(err)
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st.Equal(int64(0), count)
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}
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func (st *sqlite3Suite) TestInsert() {
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ds := st.db.From("entry")
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now := time.Now()
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e := entry{Int: 10, Float: 1.000000, String: "1.000000", Time: now, Bool: true, Bytes: []byte("1.000000")}
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_, err := ds.Insert().Rows(e).Executor().Exec()
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st.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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st.NoError(err)
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st.True(found)
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st.True(insertedEntry.ID > 0)
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entries := []entry{
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{Int: 11, Float: 1.100000, String: "1.100000", Time: now, Bool: false, Bytes: []byte("1.100000")},
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{Int: 12, Float: 1.200000, String: "1.200000", Time: now, Bool: true, Bytes: []byte("1.200000")},
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{Int: 13, Float: 1.300000, String: "1.300000", Time: now, Bool: false, Bytes: []byte("1.300000")},
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{Int: 14, Float: 1.400000, String: "1.400000", Time: now, Bool: true, Bytes: []byte("1.400000")},
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{Int: 14, Float: 1.400000, String: `abc'd"e"f\\gh\n\ri\x00`, Time: now, Bool: true, Bytes: []byte("1.400000")},
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}
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_, err = ds.Insert().Rows(entries).Executor().Exec()
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st.NoError(err)
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var newEntries []entry
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st.NoError(ds.Where(dbv2.C("int").In([]uint32{11, 12, 13, 14})).ScanStructs(&newEntries))
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for i, e := range newEntries {
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st.Equal(entries[i].Int, e.Int)
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st.Equal(entries[i].Float, e.Float)
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st.Equal(entries[i].String, e.String)
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st.Equal(entries[i].Time.UTC().Format(mysql.DialectOptions().TimeFormat), e.Time.Format(mysql.DialectOptions().TimeFormat))
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st.Equal(entries[i].Bool, e.Bool)
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st.Equal(entries[i].Bytes, e.Bytes)
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}
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_, err = ds.Insert().Rows(
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entry{Int: 15, Float: 1.500000, String: "1.500000", Time: now, Bool: false, Bytes: []byte("1.500000")},
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entry{Int: 16, Float: 1.600000, String: "1.600000", Time: now, Bool: true, Bytes: []byte("1.600000")},
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entry{Int: 17, Float: 1.700000, String: "1.700000", Time: now, Bool: false, Bytes: []byte("1.700000")},
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entry{Int: 18, Float: 1.800000, String: "1.800000", Time: now, Bool: true, Bytes: []byte("1.800000")},
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entry{Int: 18, Float: 1.800000, String: `abc'd"e"f\\gh\n\ri\x00`, Time: now, Bool: true, Bytes: []byte("1.800000")},
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).Executor().Exec()
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st.NoError(err)
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newEntries = newEntries[0:0]
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st.NoError(ds.Where(dbv2.C("int").In([]uint32{15, 16, 17, 18})).ScanStructs(&newEntries))
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st.Len(newEntries, 5)
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}
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func (st *sqlite3Suite) TestInsert_returning() {
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ds := st.db.From("entry")
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now := time.Now()
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e := entry{Int: 10, Float: 1.000000, String: "1.000000", Time: now, Bool: true, Bytes: []byte("1.000000")}
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_, err := ds.Insert().Rows(e).Returning(dbv2.Star()).Executor().ScanStruct(&e)
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st.Error(err)
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}
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func (st *sqlite3Suite) TestUpdate() {
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ds := st.db.From("entry")
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var e entry
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found, err := ds.Where(dbv2.C("int").Eq(9)).Select("id").ScanStruct(&e)
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st.NoError(err)
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st.True(found)
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e.Int = 11
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_, err = ds.Where(dbv2.C("id").Eq(e.ID)).Update().Set(e).Executor().Exec()
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st.NoError(err)
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count, err := ds.Where(dbv2.C("int").Eq(11)).Count()
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st.NoError(err)
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st.Equal(int64(1), count)
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}
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func (st *sqlite3Suite) TestUpdateReturning() {
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ds := st.db.From("entry")
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var id uint32
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_, err := ds.
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Where(dbv2.C("id").Eq(1)).
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Update().
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Set(dbv2.Record{"int": 11}).
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Returning("id").
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Executor().ScanVal(&id)
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st.NoError(err)
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st.GreaterOrEqual(id, uint32(0))
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}
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func (st *sqlite3Suite) TestDelete() {
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ds := st.db.From("entry")
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var e entry
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found, err := ds.Where(dbv2.C("int").Eq(9)).Select("id").ScanStruct(&e)
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st.NoError(err)
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st.True(found)
|
|
_, err = ds.Where(dbv2.C("id").Eq(e.ID)).Delete().Executor().Exec()
|
|
st.NoError(err)
|
|
|
|
count, err := ds.Count()
|
|
st.NoError(err)
|
|
st.Equal(int64(9), count)
|
|
|
|
var id uint32
|
|
found, err = ds.Where(dbv2.C("id").Eq(e.ID)).ScanVal(&id)
|
|
st.NoError(err)
|
|
st.False(found)
|
|
|
|
e = entry{}
|
|
found, err = ds.Where(dbv2.C("int").Eq(8)).Select("id").ScanStruct(&e)
|
|
st.NoError(err)
|
|
st.True(found)
|
|
st.NotEqual(int64(0), e.ID)
|
|
|
|
id = 0
|
|
_, err = ds.Where(dbv2.C("id").Eq(e.ID)).Delete().Returning("id").Executor().ScanVal(&id)
|
|
st.NoError(err)
|
|
st.GreaterOrEqual(id, uint32(0))
|
|
}
|
|
|
|
func (st *sqlite3Suite) TestInsert_OnConflict() {
|
|
ds := st.db.From("entry")
|
|
now := time.Now()
|
|
|
|
// insert new record with ID = 11
|
|
e := entry{Int: 11, Float: 1.100000, String: "1.100000", Time: now, Bool: false, Bytes: []byte("1.100000")}
|
|
_, err := ds.Insert().Rows(e).OnConflict(dbv2.DoNothing()).Executor().Exec()
|
|
st.NoError(err)
|
|
|
|
var entryActual entry
|
|
_, err = ds.Where(dbv2.C("id").Eq(11)).ScanStruct(&entryActual)
|
|
st.NoError(err)
|
|
st.Equal("1.100000", entryActual.String)
|
|
|
|
// duplicate with ON CONFLICT DO NOTHING should not be actually inserted
|
|
_, err = ds.Insert().Rows(
|
|
dbv2.Record{
|
|
"id": 11,
|
|
"int": 99999999,
|
|
"float": "0.99999999",
|
|
"string": "99999999",
|
|
"time": now,
|
|
"bool": true,
|
|
"bytes": []byte("0.99999999"),
|
|
},
|
|
).OnConflict(dbv2.DoNothing()).Executor().Exec()
|
|
st.NoError(err)
|
|
|
|
_, err = ds.Where(dbv2.C("id").Eq(11)).ScanStruct(&entryActual)
|
|
st.NoError(err)
|
|
st.Equal("1.100000", entryActual.String)
|
|
|
|
// UPSERT record with ID primary key value conflict
|
|
_, err = ds.Insert().Rows(
|
|
dbv2.Record{
|
|
"id": 11,
|
|
"int": 11,
|
|
"float": "1.100000",
|
|
"string": "1.100000",
|
|
"time": now,
|
|
"bool": true,
|
|
"bytes": []byte("1.100000"),
|
|
},
|
|
).OnConflict(dbv2.DoUpdate("id", dbv2.Record{"string": "upsert"})).Executor().Exec()
|
|
st.NoError(err)
|
|
|
|
_, err = ds.Where(dbv2.C("id").Eq(11)).ScanStruct(&entryActual)
|
|
st.NoError(err)
|
|
st.Equal("upsert", entryActual.String)
|
|
|
|
// UPDATE ... ON CONFLICT (...) WHERE ... SET ... should result in error for now
|
|
entries := []entry{
|
|
{Int: 8, Float: 6.100000, String: "6.100000", Time: now, Bytes: []byte("6.100000")},
|
|
{Int: 9, Float: 7.200000, String: "7.200000", Time: now, Bytes: []byte("7.200000")},
|
|
}
|
|
_, err = ds.Insert().
|
|
Rows(entries).
|
|
OnConflict(dbv2.DoUpdate("id", dbv2.Record{"string": "upsert"}).Where(dbv2.C("id").Eq(9))).
|
|
Executor().Exec()
|
|
st.EqualError(err, "db: dialect does not support upsert with where clause [dialect=sqlite3]")
|
|
}
|
|
|
|
func TestSqlite3Suite(t *testing.T) {
|
|
suite.Run(t, new(sqlite3Suite))
|
|
}
|