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rows_test.go
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rows_test.go
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package dbsql
import (
"context"
"database/sql/driver"
"errors"
"fmt"
"io"
"math"
"reflect"
"strings"
"testing"
"time"
"github.com/databricks/databricks-sql-go/internal/client"
"github.com/databricks/databricks-sql-go/internal/cli_service"
"github.com/stretchr/testify/assert"
)
func TestRowsNextRowInPage(t *testing.T) {
t.Parallel()
var rowSet *rows
// nil rows instance
inPage := rowSet.isNextRowInPage()
assert.False(t, inPage, "nil rows instance should return false")
// default rows instance
rowSet = &rows{}
inPage = rowSet.isNextRowInPage()
assert.False(t, inPage, "default rows instance should return false")
fetchResults := &cli_service.TFetchResultsResp{}
// fetchResults has no TRowSet
rowSet.fetchResults = fetchResults
inPage = rowSet.isNextRowInPage()
assert.False(t, inPage, "fetch results with no TRowSet should return false")
tRowSet := &cli_service.TRowSet{}
// default TRowSet
fetchResults.Results = tRowSet
inPage = rowSet.isNextRowInPage()
assert.False(t, inPage, "fetch results with default TRowSet should return false")
// Set up a result page starting with row 10 and containing 5 rows
tRowSet.StartRowOffset = 10
tColumn := &cli_service.TColumn{BoolVal: &cli_service.TBoolColumn{Values: []bool{true, false, true, false, true}}}
tRowSet.Columns = []*cli_service.TColumn{tColumn}
// next row number is prior to result page
rowSet.nextRowNumber = 0
inPage = rowSet.isNextRowInPage()
assert.False(t, inPage, "next row before current page should return false")
rowSet.nextRowNumber = 9
inPage = rowSet.isNextRowInPage()
assert.False(t, inPage, "next row before current page should return false")
// next row number is first row in page
rowSet.nextRowNumber = 10
inPage = rowSet.isNextRowInPage()
assert.True(t, inPage, "next row is first row in page should return true")
// next row is last row in page
rowSet.nextRowNumber = 14
inPage = rowSet.isNextRowInPage()
assert.True(t, inPage, "next row is first row in page should return true")
// next row is in page
rowSet.nextRowNumber = 12
inPage = rowSet.isNextRowInPage()
assert.True(t, inPage, "next row is in page should return true")
// next row immediately follows current page
rowSet.nextRowNumber = 15
inPage = rowSet.isNextRowInPage()
assert.False(t, inPage, "next row immediately after current page should return false")
// next row after current page
rowSet.nextRowNumber = 100
inPage = rowSet.isNextRowInPage()
assert.False(t, inPage, "next row after current page should return false")
}
func TestRowsGetPageFetchDirection(t *testing.T) {
t.Parallel()
var rowSet *rows
// nil rows instance
direction := rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_NEXT, direction, "nil rows instance should return forward direction")
// default rows instance
rowSet = &rows{}
direction = rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_NEXT, direction, "default rows instance should return forward direction")
fetchResults := &cli_service.TFetchResultsResp{}
// fetchResults has no TRowSet
rowSet.fetchResults = fetchResults
direction = rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_NEXT, direction, "fetchResults has no TRowSet should return forward direction")
tRowSet := &cli_service.TRowSet{}
// default TRowSet
fetchResults.Results = tRowSet
direction = rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_NEXT, direction, "fetchResults has no TRowSet should return forward direction")
// Set up a result page starting with row 10 and containing 5 rows
tRowSet.StartRowOffset = 10
tColumn := &cli_service.TColumn{BoolVal: &cli_service.TBoolColumn{Values: []bool{true, false, true, false, true}}}
tRowSet.Columns = []*cli_service.TColumn{tColumn}
// next row number is prior to result page
rowSet.nextRowNumber = 0
direction = rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_PRIOR, direction, "next row number is prior to result page should return reverse direction")
// next row number is immediately prior to result page
rowSet.nextRowNumber = 9
direction = rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_PRIOR, direction, "next row number is immediately prior to result page should return reverse direction")
// next row number is first row in page
rowSet.nextRowNumber = 10
direction = rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_NEXT, direction, "fetchResults has no TRowSet should return forward direction")
// next row is last row in page
rowSet.nextRowNumber = 14
direction = rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_NEXT, direction, "fetchResults has no TRowSet should return forward direction")
// next row is in page
rowSet.nextRowNumber = 12
direction = rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_NEXT, direction, "fetchResults has no TRowSet should return forward direction")
// next row immediately follows current page
rowSet.nextRowNumber = 15
direction = rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_NEXT, direction, "fetchResults has no TRowSet should return forward direction")
// next row after current page
rowSet.nextRowNumber = 100
direction = rowSet.getPageFetchDirection()
assert.Equal(t, cli_service.TFetchOrientation_FETCH_NEXT, direction, "fetchResults has no TRowSet should return forward direction")
}
func TestRowsGetPageStartRowNum(t *testing.T) {
t.Parallel()
var noRows int64 = 0
var sevenRows int64 = 7
var rowSet *rows
start := rowSet.getPageStartRowNum()
assert.Equal(t, noRows, start, "nil rows instance should return 0")
rowSet = &rows{}
start = rowSet.getPageStartRowNum()
assert.Equal(t, noRows, start, "rows with no page should return 0")
rowSet.fetchResults = &cli_service.TFetchResultsResp{}
start = rowSet.getPageStartRowNum()
assert.Equal(t, noRows, start, "rows with no TRowSet should return 0")
rowSet.fetchResults.Results = &cli_service.TRowSet{}
start = rowSet.getPageStartRowNum()
assert.Equal(t, noRows, start, "rows with default TRowSet should return 0")
rowSet.fetchResults.Results.StartRowOffset = 7
start = rowSet.getPageStartRowNum()
assert.Equal(t, sevenRows, start, "rows with TRowSet should return TRowSet.StartRowOffset")
}
func TestRowsFetchResultPageErrors(t *testing.T) {
t.Parallel()
var rowSet *rows
err := rowSet.fetchResultPage()
assert.EqualError(t, err, errRowsNilRows)
rowSet = &rows{
nextRowNumber: -1,
client: &cli_service.TCLIServiceClient{},
}
err = rowSet.fetchResultPage()
assert.EqualError(t, err, errRowsFetchPriorToStart, "negative row number should return error")
rowSet.fetchResults = &cli_service.TFetchResultsResp{}
// default TRowSet
tRowSet := &cli_service.TRowSet{}
rowSet.fetchResults.Results = tRowSet
// Set up a result page starting with row 10 and containing 5 rows
tRowSet.StartRowOffset = 0
tColumn := &cli_service.TColumn{BoolVal: &cli_service.TBoolColumn{Values: []bool{true, false, true, false, true}}}
tRowSet.Columns = []*cli_service.TColumn{tColumn}
rowSet.nextRowNumber = 5
var noMoreRows = false
rowSet.fetchResults.HasMoreRows = &noMoreRows
//
err = rowSet.fetchResultPage()
assert.EqualError(t, err, io.EOF.Error(), "row number past end of result set should return EOF")
}
func TestGetResultMetadataNoDirectResults(t *testing.T) {
t.Parallel()
var getMetadataCount, fetchResultsCount int
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet := &rows{client: client}
metadata, err := rowSet.getResultMetadata()
assert.NotNil(t, metadata)
assert.Nil(t, err)
assert.Equal(t, 1, getMetadataCount)
// calling again should not call into client
metadata, err = rowSet.getResultMetadata()
assert.NotNil(t, metadata)
assert.Nil(t, err)
assert.Equal(t, 1, getMetadataCount)
}
func TestGetResultMetadataWithDirectResults(t *testing.T) {
t.Parallel()
var getMetadataCount, fetchResultsCount int
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet := &rows{client: client}
// simulate direct results by setting initial result page and
// metadata
req := &cli_service.TFetchResultsReq{
Orientation: cli_service.TFetchOrientation_FETCH_NEXT,
}
firstPage, _ := client.FetchResults(context.Background(), req)
rowSet.fetchResults = firstPage
// fetch results has been called once
assert.Equal(t, 1, fetchResultsCount)
req2 := &cli_service.TGetResultSetMetadataReq{}
metadata, _ := client.GetResultSetMetadata(context.Background(), req2)
rowSet.fetchResultsMetadata = metadata
// fetch results has been called once
assert.Equal(t, 1, fetchResultsCount)
// calling should not call into client again
metadata, err := rowSet.getResultMetadata()
assert.NotNil(t, metadata)
assert.Nil(t, err)
assert.Equal(t, 1, getMetadataCount)
}
func TestRowsFetchResultPageNoDirectResults(t *testing.T) {
t.Parallel()
var getMetadataCount, fetchResultsCount int
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet := &rows{client: client}
var i64Zero int64
// next row number is zero so should fetch first result page
err := rowSet.fetchResultPage()
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 1,
nextRowIndex: i64Zero,
nextRowNumber: i64Zero,
offset: i64Zero,
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// next row number is four, still in same result page
rowSet.nextRowNumber = 4
err = rowSet.fetchResultPage()
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 1,
nextRowIndex: int64(4),
nextRowNumber: int64(4),
offset: i64Zero,
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// next row number is six, should fetch next result page
rowSet.nextRowNumber = 6
err = rowSet.fetchResultPage()
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 2,
nextRowIndex: int64(1),
nextRowNumber: int64(6),
offset: int64(5),
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// next row number is two, should fetch previous result page
rowSet.nextRowNumber = 2
err = rowSet.fetchResultPage()
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 3,
nextRowIndex: int64(2),
nextRowNumber: int64(2),
offset: i64Zero,
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// next row number is past end of results, should fetch all result pages
// going forward and then return EOF
rowSet.nextRowNumber = 15
err = rowSet.fetchResultPage()
errMsg := io.EOF.Error()
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 5,
nextRowIndex: int64(2),
nextRowNumber: int64(15),
offset: int64(10),
errMessage: &errMsg,
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// next row number is before start of results, should fetch all result pages
// going forward and then return EOF
rowSet.nextRowNumber = -1
err = rowSet.fetchResultPage()
errMsg = errRowsFetchPriorToStart
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 7,
nextRowIndex: int64(2),
nextRowNumber: int64(-1),
offset: i64Zero,
errMessage: &errMsg,
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// jump back to last page
rowSet.nextRowNumber = 12
err = rowSet.fetchResultPage()
errMsg = "unable to fetch row page prior to start of results"
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 9,
nextRowIndex: int64(2),
nextRowNumber: int64(12),
offset: int64(10),
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
}
func TestRowsFetchResultPageWithDirectResults(t *testing.T) {
t.Parallel()
var getMetadataCount, fetchResultsCount int
var i64Zero int64
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet := &rows{client: client}
req := &cli_service.TFetchResultsReq{
Orientation: cli_service.TFetchOrientation_FETCH_NEXT,
}
firstPage, _ := client.FetchResults(context.Background(), req)
rowSet.fetchResults = firstPage
// fetch results has been called once
assert.Equal(t, 1, fetchResultsCount)
// next row number is zero so should not fetch a result page again
err := rowSet.fetchResultPage()
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 1,
nextRowIndex: i64Zero,
nextRowNumber: i64Zero,
offset: i64Zero,
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// next row number is four, still in same result page
rowSet.nextRowNumber = 4
err = rowSet.fetchResultPage()
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 1,
nextRowIndex: int64(4),
nextRowNumber: int64(4),
offset: i64Zero,
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// next row number is six, should fetch next result page
rowSet.nextRowNumber = 6
err = rowSet.fetchResultPage()
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 2,
nextRowIndex: int64(1),
nextRowNumber: int64(6),
offset: int64(5),
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// next row number is two, should fetch previous result page
rowSet.nextRowNumber = 2
err = rowSet.fetchResultPage()
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 3,
nextRowIndex: int64(2),
nextRowNumber: int64(2),
offset: i64Zero,
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// next row number is past end of results, should fetch all result pages
// going forward and then return EOF
rowSet.nextRowNumber = 15
err = rowSet.fetchResultPage()
errMsg := io.EOF.Error()
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 5,
nextRowIndex: int64(2),
nextRowNumber: int64(15),
offset: int64(10),
errMessage: &errMsg,
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// next row number is before start of results, should fetch all result pages
// going forward and then return EOF
rowSet.nextRowNumber = -1
err = rowSet.fetchResultPage()
errMsg = errRowsFetchPriorToStart
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 7,
nextRowIndex: int64(2),
nextRowNumber: int64(-1),
offset: i64Zero,
errMessage: &errMsg,
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
// jump back to last page
rowSet.nextRowNumber = 12
err = rowSet.fetchResultPage()
errMsg = "unable to fetch row page prior to start of results"
rowTestPagingResult{
getMetadataCount: 0,
fetchResultsCount: 9,
nextRowIndex: int64(2),
nextRowNumber: int64(12),
offset: int64(10),
}.validatePaging(t, rowSet, err, fetchResultsCount, getMetadataCount)
}
var rowTestColNames []string = []string{
"bool_col",
"tinyInt_col",
"smallInt_col",
"int_col",
"bigInt_col",
"float_col",
"double_col",
"string_col",
"timestamp_col",
"binary_col",
"array_col",
"map_col",
"struct_col",
"decimal_col",
"date_col",
"interval_ym_col",
"interval_dt_col",
}
func TestColumnsWithDirectResults(t *testing.T) {
var getMetadataCount, fetchResultsCount int
rowSet := &rows{}
defer rowSet.Close()
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
req := &cli_service.TFetchResultsReq{
Orientation: cli_service.TFetchOrientation_FETCH_NEXT,
}
firstPage, _ := client.FetchResults(context.Background(), req)
rowSet.fetchResults = firstPage
// fetch results has been called once
assert.Equal(t, 1, fetchResultsCount)
req2 := &cli_service.TGetResultSetMetadataReq{}
metadata, _ := client.GetResultSetMetadata(context.Background(), req2)
rowSet.fetchResultsMetadata = metadata
// get metadata has been called once
assert.Equal(t, 1, getMetadataCount)
// getting column names should not call into client again
rowSet.client = client
colNames := rowSet.Columns()
assert.NotNil(t, colNames)
assert.Equal(t, 17, len(colNames))
assert.Equal(t, rowTestColNames, colNames)
}
func TestColumnsNoDirectResults(t *testing.T) {
var getMetadataCount, fetchResultsCount int
rowSet := &rows{}
colNames := rowSet.Columns()
assert.NotNil(t, colNames)
assert.Equal(t, 0, len(colNames))
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet.client = client
colNames = rowSet.Columns()
assert.NotNil(t, colNames)
assert.Equal(t, 17, len(colNames))
}
func TestNextNoDirectResults(t *testing.T) {
var getMetadataCount, fetchResultsCount int
var rowSet *rows
err := rowSet.Next(nil)
assert.EqualError(t, err, errRowsNilRows)
rowSet = &rows{}
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet.client = client
colNames := rowSet.Columns()
row := make([]driver.Value, len(colNames))
err = rowSet.Next(row)
timestamp, _ := time.Parse(dateTimeFormats["TIMESTAMP"], "2021-07-01 05:43:28")
date, _ := time.Parse(dateTimeFormats["DATE"], "2021-07-01")
row0 := []driver.Value{
true,
driver.Value(nil),
int16(0),
int32(0),
int64(0),
float32(0),
float64(0),
"s0",
timestamp,
[]uint8{uint8(1), uint8(2), uint8(3)},
"[1, 2, 3]",
"{\"key1\": 1}",
"{\"string_field\": \"string_val\", \"array_field\": [1, 2]}",
"1.1",
date,
"100-0",
"-8 08:13:50.300000000",
}
assert.Nil(t, err)
assert.Equal(t, row0, row)
assert.Equal(t, int64(1), rowSet.nextRowNumber)
assert.Equal(t, int64(1), rowSet.nextRowIndex)
assert.Equal(t, 1, getMetadataCount)
assert.Equal(t, 1, fetchResultsCount)
}
func TestNextWithDirectResults(t *testing.T) {
var getMetadataCount, fetchResultsCount int
rowSet := &rows{}
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet.client = client
req := &cli_service.TFetchResultsReq{
Orientation: cli_service.TFetchOrientation_FETCH_NEXT,
}
firstPage, _ := client.FetchResults(context.Background(), req)
rowSet.fetchResults = firstPage
// fetch results has been called once
assert.Equal(t, 1, fetchResultsCount)
req2 := &cli_service.TGetResultSetMetadataReq{}
metadata, _ := client.GetResultSetMetadata(context.Background(), req2)
rowSet.fetchResultsMetadata = metadata
// get metadata has been called once
assert.Equal(t, 1, getMetadataCount)
colNames := rowSet.Columns()
row := make([]driver.Value, len(colNames))
err := rowSet.Next(row)
timestamp, _ := time.Parse(dateTimeFormats["TIMESTAMP"], "2021-07-01 05:43:28")
date, _ := time.Parse(dateTimeFormats["DATE"], "2021-07-01")
row0 := []driver.Value{
true,
driver.Value(nil),
int16(0),
int32(0),
int64(0),
float32(0),
float64(0),
"s0",
timestamp,
[]uint8{uint8(1), uint8(2), uint8(3)},
"[1, 2, 3]",
"{\"key1\": 1}",
"{\"string_field\": \"string_val\", \"array_field\": [1, 2]}",
"1.1",
date,
"100-0",
"-8 08:13:50.300000000",
}
assert.Nil(t, err)
assert.Equal(t, row0, row)
assert.Equal(t, int64(1), rowSet.nextRowNumber)
assert.Equal(t, int64(1), rowSet.nextRowIndex)
assert.Equal(t, 1, getMetadataCount)
assert.Equal(t, 1, fetchResultsCount)
}
func TestHandlingDateTime(t *testing.T) {
t.Run("should do nothing if data is not a date/time", func(t *testing.T) {
val, err := handleDateTime("this is not a date", "STRING", "string_col", time.UTC)
assert.Nil(t, err, "handleDateTime should do nothing if a column is not a date/time")
assert.Equal(t, "this is not a date", val)
})
t.Run("should error on invalid date/time value", func(t *testing.T) {
_, err := handleDateTime("this is not a date", "DATE", "date_col", time.UTC)
assert.NotNil(t, err)
assert.True(t, strings.HasPrefix(err.Error(), fmt.Sprintf(errRowsParseValue, "DATE", "this is not a date", "date_col")))
})
t.Run("should parse valid date", func(t *testing.T) {
dt, err := handleDateTime("2006-12-22", "DATE", "date_col", time.UTC)
assert.Nil(t, err)
assert.Equal(t, time.Date(2006, 12, 22, 0, 0, 0, 0, time.UTC), dt)
})
t.Run("should parse valid timestamp", func(t *testing.T) {
dt, err := handleDateTime("2006-12-22 17:13:11.000001000", "TIMESTAMP", "timestamp_col", time.UTC)
assert.Nil(t, err)
assert.Equal(t, time.Date(2006, 12, 22, 17, 13, 11, 1000, time.UTC), dt)
})
t.Run("should parse date with negative year", func(t *testing.T) {
expectedTime := time.Date(-2006, 12, 22, 0, 0, 0, 0, time.UTC)
dateStrings := []string{
"-2006-12-22",
"\u22122006-12-22",
"\x2D2006-12-22",
}
for _, s := range dateStrings {
dt, err := handleDateTime(s, "DATE", "date_col", time.UTC)
assert.Nil(t, err)
assert.Equal(t, expectedTime, dt)
}
})
t.Run("should parse timestamp with negative year", func(t *testing.T) {
expectedTime := time.Date(-2006, 12, 22, 17, 13, 11, 1000, time.UTC)
timestampStrings := []string{
"-2006-12-22 17:13:11.000001000",
"\u22122006-12-22 17:13:11.000001000",
"\x2D2006-12-22 17:13:11.000001000",
}
for _, s := range timestampStrings {
dt, err := handleDateTime(s, "TIMESTAMP", "timestamp_col", time.UTC)
assert.Nil(t, err)
assert.Equal(t, expectedTime, dt)
}
})
}
func TestGetScanType(t *testing.T) {
var getMetadataCount, fetchResultsCount int
var rowSet *rows
cd, err := rowSet.getColumnMetadataByIndex(0)
assert.Nil(t, cd)
assert.EqualError(t, err, errRowsNilRows)
rowSet = &rows{}
cd, err = rowSet.getColumnMetadataByIndex(0)
assert.Nil(t, cd)
assert.EqualError(t, err, errRowsNoClient)
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet.client = client
resp, err := rowSet.getResultMetadata()
assert.Nil(t, err)
cols := resp.Schema.Columns
expectedScanTypes := []reflect.Type{
scanTypeBoolean,
scanTypeInt8,
scanTypeInt16,
scanTypeInt32,
scanTypeInt64,
scanTypeFloat32,
scanTypeFloat64,
scanTypeString,
scanTypeDateTime,
scanTypeRawBytes,
scanTypeRawBytes,
scanTypeRawBytes,
scanTypeRawBytes,
scanTypeRawBytes,
scanTypeDateTime,
scanTypeString,
scanTypeString,
}
assert.Equal(t, len(expectedScanTypes), len(cols))
scanTypes := make([]reflect.Type, len(cols))
for i := range cols {
scanTypes[i] = rowSet.ColumnTypeScanType(i)
}
assert.Equal(t, expectedScanTypes, scanTypes)
}
func TestLengthTRowSet(t *testing.T) {
rowSet := &cli_service.TRowSet{}
assert.Equal(t, int64(0), getNRows(rowSet))
rowSet.Columns = make([]*cli_service.TColumn, 1)
bc := make([]bool, 3)
rowSet.Columns[0] = &cli_service.TColumn{BoolVal: &cli_service.TBoolColumn{Values: bc}}
assert.Equal(t, int64(len(bc)), getNRows(rowSet))
by := make([]int8, 5)
rowSet.Columns[0] = &cli_service.TColumn{ByteVal: &cli_service.TByteColumn{Values: by}}
assert.Equal(t, int64(len(by)), getNRows(rowSet))
i16 := make([]int16, 7)
rowSet.Columns[0] = &cli_service.TColumn{I16Val: &cli_service.TI16Column{Values: i16}}
assert.Equal(t, int64(len(i16)), getNRows(rowSet))
i32 := make([]int32, 11)
rowSet.Columns[0] = &cli_service.TColumn{I32Val: &cli_service.TI32Column{Values: i32}}
assert.Equal(t, int64(len(i32)), getNRows(rowSet))
i64 := make([]int64, 13)
rowSet.Columns[0] = &cli_service.TColumn{I64Val: &cli_service.TI64Column{Values: i64}}
assert.Equal(t, int64(len(i64)), getNRows(rowSet))
str := make([]string, 17)
rowSet.Columns[0] = &cli_service.TColumn{StringVal: &cli_service.TStringColumn{Values: str}}
assert.Equal(t, int64(len(str)), getNRows(rowSet))
dbl := make([]float64, 19)
rowSet.Columns[0] = &cli_service.TColumn{DoubleVal: &cli_service.TDoubleColumn{Values: dbl}}
assert.Equal(t, int64(len(dbl)), getNRows(rowSet))
bin := make([][]byte, 23)
rowSet.Columns[0] = &cli_service.TColumn{BinaryVal: &cli_service.TBinaryColumn{Values: bin}}
assert.Equal(t, int64(len(bin)), getNRows(rowSet))
}
func TestColumnTypeNullable(t *testing.T) {
var getMetadataCount, fetchResultsCount int
rowSet := &rows{}
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet.client = client
colNames := rowSet.Columns()
for i := range colNames {
nullable, ok := rowSet.ColumnTypeNullable(i)
assert.False(t, nullable)
assert.False(t, ok)
}
}
func TestColumnTypeLength(t *testing.T) {
var getMetadataCount, fetchResultsCount int
var rowSet *rows
l, b := rowSet.ColumnTypeLength(0)
assert.Zero(t, l)
assert.False(t, b)
rowSet = &rows{}
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet.client = client
colNames := rowSet.Columns()
for i := range colNames {
length, ok := rowSet.ColumnTypeLength(i)
cm, _ := rowSet.getColumnMetadataByIndex(i)
switch getDBTypeID(cm) {
case cli_service.TTypeId_STRING_TYPE,
cli_service.TTypeId_VARCHAR_TYPE,
cli_service.TTypeId_BINARY_TYPE,
cli_service.TTypeId_ARRAY_TYPE,
cli_service.TTypeId_MAP_TYPE,
cli_service.TTypeId_STRUCT_TYPE:
assert.Equal(t, int64(math.MaxInt64), length)
assert.True(t, ok)
default:
assert.Equal(t, int64(0), length)
assert.False(t, ok)
}
}
}
func TestColumnTypeDatabaseTypeName(t *testing.T) {
var getMetadataCount, fetchResultsCount int
rowSet := &rows{}
client := getRowsTestSimpleClient(&getMetadataCount, &fetchResultsCount)
rowSet.client = client
resp, err := rowSet.getResultMetadata()
assert.Nil(t, err)
cols := resp.Schema.Columns
expectedScanTypes := []reflect.Type{
scanTypeBoolean,
scanTypeInt8,
scanTypeInt16,
scanTypeInt32,
scanTypeInt64,
scanTypeFloat32,
scanTypeFloat64,
scanTypeString,
scanTypeDateTime,
scanTypeRawBytes,
scanTypeRawBytes,
scanTypeRawBytes,
scanTypeRawBytes,
scanTypeRawBytes,
scanTypeDateTime,
scanTypeString,
scanTypeString,
}
assert.Equal(t, len(expectedScanTypes), len(cols))
scanTypes := make([]reflect.Type, len(cols))
for i := range cols {
scanTypes[i] = rowSet.ColumnTypeScanType(i)
}
assert.Equal(t, expectedScanTypes, scanTypes)
}
func TestRowsCloseOptimization(t *testing.T) {
t.Parallel()
var closeCount int
client := &client.TestClient{
FnCloseOperation: func(ctx context.Context, req *cli_service.TCloseOperationReq) (_r *cli_service.TCloseOperationResp, _err error) {
closeCount++
return nil, nil
},
}
rowSet := NewRows("", "", client, &cli_service.TOperationHandle{}, 1, nil, nil)
// rowSet has no direct results calling Close should result in call to client to close operation
err := rowSet.Close()
assert.Nil(t, err, "rows.Close should not throw an error")
assert.Equal(t, 1, closeCount)
// rowSet has direct results, but operation was not closed so it should call client to close operation
closeCount = 0
rowSet = NewRows("", "", client, &cli_service.TOperationHandle{}, 1, nil, &cli_service.TSparkDirectResults{})
err = rowSet.Close()
assert.Nil(t, err, "rows.Close should not throw an error")
assert.Equal(t, 1, closeCount)
// rowSet has direct results which include a close operation response. rowSet should be marked as closed
// and calling Close should not call into the client.
closeCount = 0
rowSet = NewRows("", "", client, &cli_service.TOperationHandle{}, 1, nil, &cli_service.TSparkDirectResults{CloseOperation: &cli_service.TCloseOperationResp{}})
err = rowSet.Close()
assert.Nil(t, err, "rows.Close should not throw an error")
assert.Equal(t, 0, closeCount)
}
type rowTestPagingResult struct {
getMetadataCount int
fetchResultsCount int
nextRowIndex int64
nextRowNumber int64
offset int64
errMessage *string
}
func (rt rowTestPagingResult) validatePaging(t *testing.T, rowSet *rows, err error, fetchResultsCount, getMetadataCount int) {
assert.Equal(t, rt.fetchResultsCount, fetchResultsCount)
assert.Equal(t, rt.getMetadataCount, getMetadataCount)
assert.NotNil(t, rowSet.fetchResults)
assert.Equal(t, rt.nextRowIndex, rowSet.nextRowIndex)
assert.Equal(t, rt.nextRowNumber, rowSet.nextRowNumber)
assert.Equal(t, rt.offset, rowSet.getPageStartRowNum())
if rt.errMessage == nil {
assert.Nil(t, err)
} else {
assert.EqualError(t, err, *rt.errMessage)
}
}
// Build a simple test client
func getRowsTestSimpleClient(getMetadataCount, fetchResultsCount *int) cli_service.TCLIService {
// Metadata for the different types is based on the results returned when querying a table with
// all the different types which was created in a test shard.
metadata := &cli_service.TGetResultSetMetadataResp{
Status: &cli_service.TStatus{
StatusCode: cli_service.TStatusCode_SUCCESS_STATUS,
},
Schema: &cli_service.TTableSchema{
Columns: []*cli_service.TColumnDesc{
{
ColumnName: "bool_col",
TypeDesc: &cli_service.TTypeDesc{
Types: []*cli_service.TTypeEntry{
{
PrimitiveEntry: &cli_service.TPrimitiveTypeEntry{
Type: cli_service.TTypeId_BOOLEAN_TYPE,
},
},
},
},
},
{
ColumnName: "tinyInt_col",
TypeDesc: &cli_service.TTypeDesc{
Types: []*cli_service.TTypeEntry{
{
PrimitiveEntry: &cli_service.TPrimitiveTypeEntry{
Type: cli_service.TTypeId_TINYINT_TYPE,
},
},
},
},
},
{
ColumnName: "smallInt_col",
TypeDesc: &cli_service.TTypeDesc{
Types: []*cli_service.TTypeEntry{
{
PrimitiveEntry: &cli_service.TPrimitiveTypeEntry{
Type: cli_service.TTypeId_SMALLINT_TYPE,
},
},
},
},
},
{
ColumnName: "int_col",
TypeDesc: &cli_service.TTypeDesc{
Types: []*cli_service.TTypeEntry{
{
PrimitiveEntry: &cli_service.TPrimitiveTypeEntry{
Type: cli_service.TTypeId_INT_TYPE,
},
},
},
},
},
{
ColumnName: "bigInt_col",
TypeDesc: &cli_service.TTypeDesc{
Types: []*cli_service.TTypeEntry{
{
PrimitiveEntry: &cli_service.TPrimitiveTypeEntry{
Type: cli_service.TTypeId_BIGINT_TYPE,
},
},
},
},
},
{
ColumnName: "float_col",
TypeDesc: &cli_service.TTypeDesc{
Types: []*cli_service.TTypeEntry{
{
PrimitiveEntry: &cli_service.TPrimitiveTypeEntry{
Type: cli_service.TTypeId_FLOAT_TYPE,
},
},
},
},
},
{