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MySQL bool expressions.

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This commit is contained in:
go-jet 2019-07-30 11:18:12 +02:00
parent bffa102849
commit d0533f73fb
37 changed files with 720 additions and 436 deletions
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43
execution/execution.go
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@ -8,7 +8,6 @@ import (
"fmt"
"github.com/go-jet/jet/execution/internal"
"github.com/go-jet/jet/internal/utils"
"github.com/go-sql-driver/mysql"
"github.com/google/uuid"
"reflect"
"strconv"
@ -521,10 +520,31 @@ func isSimpleModelType(objType reflect.Type) bool {
return false
}
func isIntegerType(value reflect.Type) bool {
switch value {
case int8Type, unit8Type, int16Type, uint16Type,
int32Type, uint32Type, int64Type, uint64Type:
return true
}
return false
}
func tryAssign(source, destination reflect.Value) bool {
if source.Type().ConvertibleTo(destination.Type()) {
source = source.Convert(destination.Type())
}
if isIntegerType(source.Type()) && destination.Type() == boolType {
intValue := source.Int()
if intValue == 1 {
source = reflect.ValueOf(true)
} else if intValue == 0 {
source = reflect.ValueOf(false)
}
}
if source.Type().AssignableTo(destination.Type()) {
destination.Set(source)
return true
@ -594,6 +614,7 @@ func createScanValue(columnTypes []*sql.ColumnType) []interface{} {
return values
}
var boolType = reflect.TypeOf(true)
var int8Type = reflect.TypeOf(int8(1))
var unit8Type = reflect.TypeOf(uint8(1))
var int16Type = reflect.TypeOf(int16(1))
@ -606,13 +627,17 @@ var float32Type = reflect.TypeOf(float32(1.1))
var float64Type = reflect.TypeOf(float64(1.1))
var nullInt8Type = reflect.TypeOf(internal.NullInt8{})
var nullUInt8Type = reflect.TypeOf(internal.NullUInt8{})
//var nullUInt8Type = reflect.TypeOf(internal.NullUInt8{})
var nullInt16Type = reflect.TypeOf(internal.NullInt16{})
var nullUInt16Type = reflect.TypeOf(internal.NullUInt16{})
//var nullUInt16Type = reflect.TypeOf(internal.NullUInt16{})
var nullInt32Type = reflect.TypeOf(internal.NullInt32{})
var nullUInt32Type = reflect.TypeOf(internal.NullUInt32{})
//var nullUInt32Type = reflect.TypeOf(internal.NullUInt32{})
var nullInt64Type = reflect.TypeOf(sql.NullInt64{})
var nullUInt64Type = reflect.TypeOf(internal.NullUInt64{})
//var nullUInt64Type = reflect.TypeOf(internal.NullUInt64{})
var nullFloat32Type = reflect.TypeOf(internal.NullFloat32{})
var nullFloat64Type = reflect.TypeOf(sql.NullFloat64{})
@ -622,17 +647,11 @@ var nullStringType = reflect.TypeOf(sql.NullString{})
var nullBoolType = reflect.TypeOf(sql.NullBool{})
var nullTimeType = reflect.TypeOf(internal.NullTime{})
var mySQLNullTime = reflect.TypeOf(mysql.NullTime{})
var nullByteArrayType = reflect.TypeOf(internal.NullByteArray{})
func newScanType(columnType *sql.ColumnType) reflect.Type {
switch columnType.ScanType() {
case mySQLNullTime:
return mySQLNullTime
}
switch columnType.DatabaseTypeName() {
case "TINYINT":
return nullInt8Type
@ -652,7 +671,7 @@ func newScanType(columnType *sql.ColumnType) reflect.Type {
return nullBoolType
case "BYTEA", "BINARY", "VARBINARY", "BLOB":
return nullByteArrayType
case "DATE", "TIMESTAMP", "TIMESTAMPTZ", "TIME", "TIMETZ":
case "DATE", "DATETIME", "TIMESTAMP", "TIMESTAMPTZ", "TIME", "TIMETZ":
return nullTimeType
default:
return nullStringType