117 lines
3.0 KiB
Go
117 lines
3.0 KiB
Go
// Copyright 2023 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package core
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import (
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"testing"
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"github.com/pingcap/tidb/pkg/parser"
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"github.com/pingcap/tidb/pkg/parser/ast"
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"github.com/stretchr/testify/require"
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)
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func TestNewLineFieldsInfo(t *testing.T) {
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cases := []struct {
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sql string
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expected LineFieldsInfo
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}{
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{
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"load data infile 'a' into table t",
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LineFieldsInfo{
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FieldsTerminatedBy: "\t",
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FieldsEnclosedBy: "",
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FieldsEscapedBy: "\\",
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FieldsOptEnclosed: false,
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LinesStartingBy: "",
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LinesTerminatedBy: "\n",
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},
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},
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{
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"load data infile 'a' into table t fields terminated by 'a'",
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LineFieldsInfo{
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FieldsTerminatedBy: "a",
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FieldsEnclosedBy: "",
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FieldsEscapedBy: "\\",
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FieldsOptEnclosed: false,
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LinesStartingBy: "",
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LinesTerminatedBy: "\n",
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},
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},
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{
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"load data infile 'a' into table t fields optionally enclosed by 'a'",
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LineFieldsInfo{
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FieldsTerminatedBy: "\t",
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FieldsEnclosedBy: "a",
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FieldsEscapedBy: "\\",
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FieldsOptEnclosed: true,
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LinesStartingBy: "",
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LinesTerminatedBy: "\n",
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},
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},
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{
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"load data infile 'a' into table t fields enclosed by 'a'",
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LineFieldsInfo{
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FieldsTerminatedBy: "\t",
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FieldsEnclosedBy: "a",
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FieldsEscapedBy: "\\",
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FieldsOptEnclosed: false,
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LinesStartingBy: "",
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LinesTerminatedBy: "\n",
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},
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},
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{
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"load data infile 'a' into table t fields escaped by 'a'",
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LineFieldsInfo{
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FieldsTerminatedBy: "\t",
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FieldsEnclosedBy: "",
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FieldsEscapedBy: "a",
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FieldsOptEnclosed: false,
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LinesStartingBy: "",
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LinesTerminatedBy: "\n",
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},
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},
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{
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"load data infile 'a' into table t lines starting by 'a'",
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LineFieldsInfo{
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FieldsTerminatedBy: "\t",
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FieldsEnclosedBy: "",
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FieldsEscapedBy: "\\",
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FieldsOptEnclosed: false,
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LinesStartingBy: "a",
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LinesTerminatedBy: "\n",
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},
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},
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{
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"load data infile 'a' into table t lines terminated by 'aa'",
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LineFieldsInfo{
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FieldsTerminatedBy: "\t",
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FieldsEnclosedBy: "",
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FieldsEscapedBy: "\\",
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FieldsOptEnclosed: false,
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LinesStartingBy: "",
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LinesTerminatedBy: "aa",
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},
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},
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}
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p := parser.New()
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for _, c := range cases {
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stmt, err := p.ParseOneStmt(c.sql, "", "")
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require.NoError(t, err, c.sql)
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ldStmt := stmt.(*ast.LoadDataStmt)
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lineFieldsInfo := NewLineFieldsInfo(ldStmt.FieldsInfo, ldStmt.LinesInfo)
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require.Equal(t, c.expected, lineFieldsInfo)
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}
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}
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