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796 lines (786 loc) · 23.3 KB
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//
// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package main
import (
"reflect"
"strings"
"testing"
"time"
"github.com/google/go-cmp/cmp"
pb "cloud.google.com/go/spanner/apiv1/spannerpb"
)
func TestBuildStatement(t *testing.T) {
timestamp, err := time.Parse(time.RFC3339Nano, "2020-03-30T22:54:44.834017+09:00")
if err != nil {
t.Fatalf("unexpected time parse error: %v", err)
}
// valid tests
for _, test := range []struct {
desc string
input string
want Statement
skipLowerCase bool
}{
{
desc: "SELECT statement",
input: "SELECT * FROM t1",
want: &SelectStatement{Query: "SELECT * FROM t1"},
},
{
desc: "SELECT statement in multiple lines",
input: "SELECT\n*\nFROM t1",
want: &SelectStatement{Query: "SELECT\n*\nFROM t1"},
},
{
desc: "SELECT statement with comment",
input: "SELECT 0x1/**/A",
want: &SelectStatement{Query: "SELECT 0x1/**/A"},
},
{
desc: "WITH statement",
input: "WITH sub AS (SELECT 1) SELECT * FROM sub",
want: &SelectStatement{Query: "WITH sub AS (SELECT 1) SELECT * FROM sub"},
},
{
// https://cloud.google.com/spanner/docs/query-syntax#statement-hints
desc: "SELECT statement with statement hint",
input: "@{USE_ADDITIONAL_PARALLELISM=TRUE} SELECT * FROM t1",
want: &SelectStatement{Query: "@{USE_ADDITIONAL_PARALLELISM=TRUE} SELECT * FROM t1"},
},
{
desc: "SELECT statement in parenthesis",
input: "(SELECT * FROM t1)",
want: &SelectStatement{Query: "(SELECT * FROM t1)"},
},
{
desc: "WITH statement in parenthesis",
input: "(WITH sub AS (SELECT 1) SELECT * FROM sub)",
want: &SelectStatement{Query: "(WITH sub AS (SELECT 1) SELECT * FROM sub)"},
},
{
desc: "SELECT statement in parenthesis with statement hint",
input: "@{USE_ADDITIONAL_PARALLELISM=TRUE} (SELECT * FROM t1)",
want: &SelectStatement{Query: "@{USE_ADDITIONAL_PARALLELISM=TRUE} (SELECT * FROM t1)"},
},
{
desc: "CREATE DATABASE statement",
input: "CREATE DATABASE d1",
want: &CreateDatabaseStatement{CreateStatement: "CREATE DATABASE d1"},
},
{
desc: "DROP DATABASE statement",
input: "DROP DATABASE d1",
want: &DropDatabaseStatement{DatabaseId: "d1"},
},
{
desc: "DROP DATABASE statement with escaped database name",
input: "DROP DATABASE `TABLE`",
want: &DropDatabaseStatement{DatabaseId: "TABLE"},
},
{
desc: "ALTER DATABASE statement",
input: "ALTER DATABASE d1 SET OPTIONS ( version_retention_period = '7d' )",
want: &DdlStatement{Ddl: "ALTER DATABASE d1 SET OPTIONS ( version_retention_period = '7d' )"},
},
{
desc: "CREATE TABLE statement",
input: "CREATE TABLE t1 (id INT64 NOT NULL) PRIMARY KEY (id)",
want: &DdlStatement{Ddl: "CREATE TABLE t1 (id INT64 NOT NULL) PRIMARY KEY (id)"},
},
{
desc: "RENAME TABLE statement",
input: "RENAME TABLE t1 TO t2, t3 TO t4",
want: &DdlStatement{Ddl: "RENAME TABLE t1 TO t2, t3 TO t4"},
},
{
desc: "ALTER TABLE statement",
input: "ALTER TABLE t1 ADD COLUMN name STRING(16) NOT NULL",
want: &DdlStatement{Ddl: "ALTER TABLE t1 ADD COLUMN name STRING(16) NOT NULL"},
},
{
desc: "DROP TABLE statement",
input: "DROP TABLE t1",
want: &DdlStatement{Ddl: "DROP TABLE t1"},
},
{
desc: "CREATE INDEX statement",
input: "CREATE INDEX idx_name ON t1 (name DESC)",
want: &DdlStatement{Ddl: "CREATE INDEX idx_name ON t1 (name DESC)"},
},
{
desc: "DROP INDEX statement",
input: "DROP INDEX idx_name",
want: &DdlStatement{Ddl: "DROP INDEX idx_name"},
},
{
desc: "TRUNCATE TABLE statement",
input: "TRUNCATE TABLE t1",
want: &TruncateTableStatement{Table: "t1"},
},
{
desc: "CREATE VIEW statement",
input: "CREATE VIEW t1view SQL SECURITY INVOKER AS SELECT t1.Id FROM t1",
want: &DdlStatement{Ddl: "CREATE VIEW t1view SQL SECURITY INVOKER AS SELECT t1.Id FROM t1"},
},
{
desc: "CREATE OR REPLACE VIEW statement",
input: "CREATE OR REPLACE VIEW t1view SQL SECURITY INVOKER AS SELECT t1.Id FROM t1",
want: &DdlStatement{Ddl: "CREATE OR REPLACE VIEW t1view SQL SECURITY INVOKER AS SELECT t1.Id FROM t1"},
},
{
desc: "DROP VIEW statement",
input: "DROP VIEW t1view",
want: &DdlStatement{Ddl: "DROP VIEW t1view"},
},
{
desc: "CREATE CHANGE STREAM FOR ALL statement",
input: "CREATE CHANGE STREAM EverythingStream FOR ALL",
want: &DdlStatement{Ddl: "CREATE CHANGE STREAM EverythingStream FOR ALL"},
},
{
desc: "CREATE CHANGE STREAM FOR specific columns statement",
input: "CREATE CHANGE STREAM NamesAndTitles FOR Singers(FirstName, LastName), Albums(Title)",
want: &DdlStatement{Ddl: "CREATE CHANGE STREAM NamesAndTitles FOR Singers(FirstName, LastName), Albums(Title)"},
},
{
desc: "ALTER CHANGE STREAM SET FOR statement",
input: "ALTER CHANGE STREAM NamesAndAlbums SET FOR Singers(FirstName, LastName), Albums, Songs",
want: &DdlStatement{Ddl: "ALTER CHANGE STREAM NamesAndAlbums SET FOR Singers(FirstName, LastName), Albums, Songs"},
},
{
desc: "ALTER CHANGE STREAM SET OPTIONS statement",
input: "ALTER CHANGE STREAM NamesAndAlbums SET OPTIONS( retention_period = '36h' )",
want: &DdlStatement{Ddl: "ALTER CHANGE STREAM NamesAndAlbums SET OPTIONS( retention_period = '36h' )"},
},
{
desc: "ALTER CHANGE STREAM DROP FOR ALL statement",
input: "ALTER CHANGE STREAM MyStream DROP FOR ALL",
want: &DdlStatement{Ddl: "ALTER CHANGE STREAM MyStream DROP FOR ALL"},
},
{
desc: "DROP CHANGE STREAM statement",
input: "DROP CHANGE STREAM NamesAndAlbums",
want: &DdlStatement{Ddl: "DROP CHANGE STREAM NamesAndAlbums"},
},
{
desc: "GRANT statement",
input: "GRANT SELECT ON TABLE employees TO ROLE hr_rep",
want: &DdlStatement{Ddl: "GRANT SELECT ON TABLE employees TO ROLE hr_rep"},
},
{
desc: "REVOKE statement",
input: "REVOKE SELECT ON TABLE employees FROM ROLE hr_rep",
want: &DdlStatement{Ddl: "REVOKE SELECT ON TABLE employees FROM ROLE hr_rep"},
},
{
desc: "ALTER STATISTICS statement",
input: "ALTER STATISTICS package SET OPTIONS (allow_gc = false)",
want: &DdlStatement{Ddl: "ALTER STATISTICS package SET OPTIONS (allow_gc = false)"},
},
{
desc: "ANALYZE statement",
input: "ANALYZE",
want: &DdlStatement{Ddl: "ANALYZE"},
},
{
desc: "INSERT statement",
input: "INSERT INTO t1 (id, name) VALUES (1, 'yuki')",
want: &DmlStatement{Dml: "INSERT INTO t1 (id, name) VALUES (1, 'yuki')"},
},
{
desc: "UPDATE statement",
input: "UPDATE t1 SET name = hello WHERE id = 1",
want: &DmlStatement{Dml: "UPDATE t1 SET name = hello WHERE id = 1"},
},
{
desc: "DELETE statement",
input: "DELETE FROM t1 WHERE id = 1",
want: &DmlStatement{Dml: "DELETE FROM t1 WHERE id = 1"},
},
{
desc: "PARTITIONED UPDATE statement",
input: "PARTITIONED UPDATE t1 SET name = hello WHERE id > 1",
want: &PartitionedDmlStatement{Dml: "UPDATE t1 SET name = hello WHERE id > 1"},
},
{
desc: "PARTITIONED DELETE statement",
input: "PARTITIONED DELETE FROM t1 WHERE id > 1",
want: &PartitionedDmlStatement{Dml: "DELETE FROM t1 WHERE id > 1"},
},
{
desc: "EXPLAIN INSERT statement",
input: "EXPLAIN INSERT INTO t1 (id, name) VALUES (1, 'yuki')",
want: &ExplainStatement{Explain: "INSERT INTO t1 (id, name) VALUES (1, 'yuki')", IsDML: true},
},
{
desc: "EXPLAIN UPDATE statement",
input: "EXPLAIN UPDATE t1 SET name = hello WHERE id = 1",
want: &ExplainStatement{Explain: "UPDATE t1 SET name = hello WHERE id = 1", IsDML: true},
},
{
desc: "EXPLAIN DELETE statement",
input: "EXPLAIN DELETE FROM t1 WHERE id = 1",
want: &ExplainStatement{Explain: "DELETE FROM t1 WHERE id = 1", IsDML: true},
},
{
desc: "DESCRIBE DELETE statement",
input: "DESCRIBE DELETE FROM t1 WHERE id = 1",
want: &DescribeStatement{Statement: "DELETE FROM t1 WHERE id = 1", IsDML: true},
},
{
desc: "EXPLAIN ANALYZE INSERT statement",
input: "EXPLAIN ANALYZE INSERT INTO t1 (id, name) VALUES (1, 'yuki')",
want: &ExplainAnalyzeDmlStatement{Dml: "INSERT INTO t1 (id, name) VALUES (1, 'yuki')"},
},
{
desc: "EXPLAIN ANALYZE UPDATE statement",
input: "EXPLAIN ANALYZE UPDATE t1 SET name = hello WHERE id = 1",
want: &ExplainAnalyzeDmlStatement{Dml: "UPDATE t1 SET name = hello WHERE id = 1"},
},
{
desc: "EXPLAIN ANALYZE DELETE statement",
input: "EXPLAIN ANALYZE DELETE FROM t1 WHERE id = 1",
want: &ExplainAnalyzeDmlStatement{Dml: "DELETE FROM t1 WHERE id = 1"},
},
{
desc: "BEGIN statement",
input: "BEGIN",
want: &BeginRwStatement{},
},
{
desc: "BEGIN RW statement",
input: "BEGIN RW",
want: &BeginRwStatement{},
},
{
desc: "BEGIN PRIORITY statement",
input: "BEGIN PRIORITY MEDIUM",
want: &BeginRwStatement{
Priority: pb.RequestOptions_PRIORITY_MEDIUM,
},
},
{
desc: "BEGIN RW PRIORITY statement",
input: "BEGIN RW PRIORITY LOW",
want: &BeginRwStatement{
Priority: pb.RequestOptions_PRIORITY_LOW,
},
},
{
desc: "BEGIN statement with TAG",
input: "BEGIN TAG app=spanner-cli,env=test",
want: &BeginRwStatement{
Tag: "app=spanner-cli,env=test",
},
},
{
desc: "BEGIN RW statement with TAG",
input: "BEGIN RW TAG app=spanner-cli,env=test",
want: &BeginRwStatement{
Tag: "app=spanner-cli,env=test",
},
},
{
desc: "BEGIN PRIORITY statement with TAG",
input: "BEGIN PRIORITY MEDIUM TAG app=spanner-cli,env=test",
want: &BeginRwStatement{
Priority: pb.RequestOptions_PRIORITY_MEDIUM,
Tag: "app=spanner-cli,env=test",
},
},
{
desc: "BEGIN statement with TAG whitespace",
input: "BEGIN TAG app=spanner-cli env=test",
want: &BeginRwStatement{
Tag: "app=spanner-cli env=test",
},
},
{
desc: "BEGIN RW statement with TAG whitespace",
input: "BEGIN RW TAG app=spanner-cli env=test",
want: &BeginRwStatement{
Tag: "app=spanner-cli env=test",
},
},
{
desc: "BEGIN RW statement with ISOLATION LEVEL",
input: "BEGIN RW ISOLATION LEVEL SERIALIZABLE",
want: &BeginRwStatement{
IsolationLevel: pb.TransactionOptions_SERIALIZABLE,
},
},
{
desc: "BEGIN RW statement with ISOLATION LEVEL",
input: "BEGIN RW ISOLATION LEVEL REPEATABLE READ",
want: &BeginRwStatement{
IsolationLevel: pb.TransactionOptions_REPEATABLE_READ,
},
},
{
desc: "BEGIN RW statement with ISOLATION LEVEL and PRIORITY",
input: "BEGIN RW ISOLATION LEVEL SERIALIZABLE PRIORITY MEDIUM",
want: &BeginRwStatement{
IsolationLevel: pb.TransactionOptions_SERIALIZABLE,
Priority: pb.RequestOptions_PRIORITY_MEDIUM,
},
},
{
desc: "BEGIN RW statement with ISOLATION LEVEL and TAG",
input: "BEGIN RW ISOLATION LEVEL SERIALIZABLE TAG app=spanner-cli",
want: &BeginRwStatement{
IsolationLevel: pb.TransactionOptions_SERIALIZABLE,
Tag: "app=spanner-cli",
},
},
{
desc: "BEGIN RW statement with ISOLATION LEVEL, PRIORITY and TAG",
input: "BEGIN RW ISOLATION LEVEL REPEATABLE READ PRIORITY MEDIUM TAG app=spanner-cli",
want: &BeginRwStatement{
IsolationLevel: pb.TransactionOptions_REPEATABLE_READ,
Priority: pb.RequestOptions_PRIORITY_MEDIUM,
Tag: "app=spanner-cli",
},
},
{
desc: "BEGIN PRIORITY statement with TAG whitespace",
input: "BEGIN PRIORITY MEDIUM TAG app=spanner-cli env=test",
want: &BeginRwStatement{
Priority: pb.RequestOptions_PRIORITY_MEDIUM,
Tag: "app=spanner-cli env=test",
},
},
{
desc: "BEGIN statement with TAG quoted",
input: "BEGIN TAG app=\"spanner-cli\" env='dev'",
want: &BeginRwStatement{
Tag: "app=\"spanner-cli\" env='dev'",
},
},
{
desc: "BEGIN RO statement",
input: "BEGIN RO",
want: &BeginRoStatement{TimestampBoundType: strong},
},
{
desc: "BEGIN RO staleness statement",
input: "BEGIN RO 10",
want: &BeginRoStatement{Staleness: time.Duration(10 * time.Second), TimestampBoundType: exactStaleness},
},
{
desc: "BEGIN RO read timestamp statement",
input: "BEGIN RO 2020-03-30T22:54:44.834017+09:00",
want: &BeginRoStatement{Timestamp: timestamp, TimestampBoundType: readTimestamp},
skipLowerCase: true,
},
{
desc: "BEGIN RO PRIORITY statement",
input: "BEGIN RO PRIORITY LOW",
want: &BeginRoStatement{TimestampBoundType: strong, Priority: pb.RequestOptions_PRIORITY_LOW},
},
{
desc: "BEGIN RO staleness with PRIORITY statement",
input: "BEGIN RO 10 PRIORITY HIGH",
want: &BeginRoStatement{
Staleness: time.Duration(10 * time.Second),
TimestampBoundType: exactStaleness,
Priority: pb.RequestOptions_PRIORITY_HIGH,
},
},
{
desc: "BEGIN RO statement with TAG",
input: "BEGIN RO TAG app=spanner-cli,env=test",
want: &BeginRoStatement{
TimestampBoundType: strong,
Tag: "app=spanner-cli,env=test",
},
},
{
desc: "BEGIN RO staleness statement with TAG",
input: "BEGIN RO 10 TAG app=spanner-cli,env=test",
want: &BeginRoStatement{
Staleness: time.Duration(10 * time.Second),
TimestampBoundType: exactStaleness,
Tag: "app=spanner-cli,env=test",
},
},
{
desc: "BEGIN RO read timestamp statement with TAG",
input: "BEGIN RO 2020-03-30T22:54:44.834017+09:00 TAG app=spanner-cli,env=test",
want: &BeginRoStatement{
Timestamp: timestamp,
TimestampBoundType: readTimestamp,
Tag: "app=spanner-cli,env=test",
},
skipLowerCase: true,
},
{
desc: "BEGIN RO PRIORITY statement with TAG",
input: "BEGIN RO PRIORITY LOW TAG app=spanner-cli,env=test",
want: &BeginRoStatement{
TimestampBoundType: strong,
Priority: pb.RequestOptions_PRIORITY_LOW,
Tag: "app=spanner-cli,env=test",
},
},
{
desc: "BEGIN RO staleness with PRIORITY statement with TAG",
input: "BEGIN RO 10 PRIORITY HIGH TAG app=spanner-cli,env=test",
want: &BeginRoStatement{
Staleness: time.Duration(10 * time.Second),
TimestampBoundType: exactStaleness,
Priority: pb.RequestOptions_PRIORITY_HIGH,
Tag: "app=spanner-cli,env=test",
},
},
{
desc: "COMMIT statement",
input: "COMMIT",
want: &CommitStatement{},
},
{
desc: "ROLLBACK statement",
input: "ROLLBACK",
want: &RollbackStatement{},
},
{
desc: "CLOSE statement",
input: "CLOSE",
want: &CloseStatement{},
},
{
desc: "EXIT statement",
input: "EXIT",
want: &ExitStatement{},
},
{
desc: "USE statement",
input: "USE database2",
want: &UseStatement{Database: "database2"},
},
{
desc: "USE statement with quoted identifier",
input: "USE `my-database`",
want: &UseStatement{Database: "my-database"},
},
{
desc: "USE statement with role",
input: "USE database2 ROLE role2",
want: &UseStatement{Database: "database2", Role: "role2"},
},
{
desc: "USE statement with quoted identifier",
input: "USE `my-database` ROLE `my-role`",
want: &UseStatement{Database: "my-database", Role: "my-role"},
},
{
desc: "SHOW DATABASES statement",
input: "SHOW DATABASES",
want: &ShowDatabasesStatement{},
},
{
desc: "SHOW CREATE TABLE statement",
input: "SHOW CREATE TABLE t1",
want: &ShowCreateTableStatement{Table: "t1"},
},
{
desc: "SHOW CREATE TABLE statement with a named schema",
input: "SHOW CREATE TABLE sch1.t1",
want: &ShowCreateTableStatement{Schema: "sch1", Table: "t1"},
},
{
desc: "SHOW CREATE TABLE statement with quoted identifier",
input: "SHOW CREATE TABLE `TABLE`",
want: &ShowCreateTableStatement{Table: "TABLE"},
},
{
desc: "SHOW TABLES statement",
input: "SHOW TABLES",
want: &ShowTablesStatement{},
},
{
desc: "SHOW TABLES statement with schema",
input: "SHOW TABLES sch1",
want: &ShowTablesStatement{Schema: "sch1"},
},
{
desc: "SHOW TABLES statement with quoted schema",
input: "SHOW TABLES `sch1`",
want: &ShowTablesStatement{Schema: "sch1"},
},
{
desc: "SHOW INDEX statement",
input: "SHOW INDEX FROM t1",
want: &ShowIndexStatement{Table: "t1"},
},
{
desc: "SHOW INDEX statement with a named schema",
input: "SHOW INDEX FROM sch1.t1",
want: &ShowIndexStatement{Schema: "sch1", Table: "t1"},
},
{
desc: "SHOW INDEXES statement",
input: "SHOW INDEXES FROM t1",
want: &ShowIndexStatement{Table: "t1"},
},
{
desc: "SHOW INDEX statement with quoted identifier",
input: "SHOW INDEX FROM `TABLE`",
want: &ShowIndexStatement{Table: "TABLE"},
},
{
desc: "SHOW KEYS statement",
input: "SHOW KEYS FROM t1",
want: &ShowIndexStatement{Table: "t1"},
},
{
desc: "SHOW COLUMNS statement",
input: "SHOW COLUMNS FROM t1",
want: &ShowColumnsStatement{Table: "t1"},
},
{
desc: "SHOW COLUMNS statement with a named schema",
input: "SHOW COLUMNS FROM sch1.t1",
want: &ShowColumnsStatement{Schema: "sch1", Table: "t1"},
},
{
desc: "SHOW COLUMNS statement with quoted identifier",
input: "SHOW COLUMNS FROM `TABLE`",
want: &ShowColumnsStatement{Table: "TABLE"},
},
{
desc: "EXPLAIN SELECT statement",
input: "EXPLAIN SELECT * FROM t1",
want: &ExplainStatement{Explain: "SELECT * FROM t1"},
},
{
desc: "EXPLAIN SELECT statement with statement hint",
input: "EXPLAIN @{OPTIMIZER_VERSION=latest} SELECT * FROM t1",
want: &ExplainStatement{Explain: "@{OPTIMIZER_VERSION=latest} SELECT * FROM t1"},
},
{
desc: "EXPLAIN SELECT statement with WITH",
input: "EXPLAIN WITH t1 AS (SELECT 1) SELECT * FROM t1",
want: &ExplainStatement{Explain: "WITH t1 AS (SELECT 1) SELECT * FROM t1"},
},
{
desc: "GRAPH statement",
input: "GRAPH FinGraph MATCH (n) RETURN LABELS(n) AS label, n.id",
want: &SelectStatement{Query: "GRAPH FinGraph MATCH (n) RETURN LABELS(n) AS label, n.id"},
},
{
desc: "EXPLAIN GRAPH statement",
input: "EXPLAIN GRAPH FinGraph MATCH (n) RETURN LABELS(n) AS label, n.id",
want: &ExplainStatement{Explain: "GRAPH FinGraph MATCH (n) RETURN LABELS(n) AS label, n.id"},
},
{
desc: "EXPLAIN ANALYZE GRAPH statement",
input: "EXPLAIN ANALYZE GRAPH FinGraph MATCH (n) RETURN LABELS(n) AS label, n.id",
want: &ExplainAnalyzeStatement{Query: "GRAPH FinGraph MATCH (n) RETURN LABELS(n) AS label, n.id"},
},
{
desc: "DESCRIBE SELECT statement",
input: "DESCRIBE SELECT * FROM t1",
want: &DescribeStatement{Statement: "SELECT * FROM t1"},
},
{
desc: "Stored system procedures",
input: `CALL cancel_query("1234567890123456789")`,
want: &SelectStatement{Query: `CALL cancel_query("1234567890123456789")`},
},
{
desc: "EXPLAIN Stored system procedures",
input: `EXPLAIN CALL cancel_query("1234567890123456789")`,
want: &ExplainStatement{Explain: `CALL cancel_query("1234567890123456789")`},
},
{
desc: "EXPLAIN ANALYZE Stored system procedures",
input: `EXPLAIN ANALYZE CALL cancel_query("1234567890123456789")`,
want: &ExplainAnalyzeStatement{Query: `CALL cancel_query("1234567890123456789")`},
},
} {
t.Run(test.desc, func(t *testing.T) {
got, err := BuildStatement(test.input)
if err != nil {
t.Fatalf("BuildStatement(%q) got error: %v", test.input, err)
}
if !cmp.Equal(got, test.want) {
t.Errorf("BuildStatement(%q) = %v, but want = %v", test.input, got, test.want)
}
})
if !test.skipLowerCase {
input := strings.ToLower(test.input)
t.Run("Lower "+test.desc, func(t *testing.T) {
got, err := BuildStatement(input)
if err != nil {
t.Fatalf("BuildStatement(%q) got error: %v", input, err)
}
// check only type
gotType := reflect.TypeOf(got)
wantType := reflect.TypeOf(test.want)
if gotType != wantType {
t.Errorf("BuildStatement(%q) has invalid statement type: got = %q, but want = %q", input, gotType, wantType)
}
})
}
}
// invalid tests
for _, test := range []struct {
input string
}{
{"FOO BAR"},
{"SELEC T FROM t1"},
{"SET @a = 1"},
{"BEGIN PRIORITY CRITICAL"},
} {
got, err := BuildStatement(test.input)
if err == nil {
t.Errorf("BuildStatement(%q) = %#v, but want error", got, test.input)
}
}
}
func TestIsCreateTableDDL(t *testing.T) {
for _, tt := range []struct {
desc string
ddl string
schema string
table string
want bool
}{
{
desc: "exact match",
ddl: "CREATE TABLE t1 (\n",
table: "t1",
want: true,
},
{
desc: "given table is prefix of DDL's table",
ddl: "CREATE TABLE t12 (\n",
table: "t1",
want: false,
},
{
desc: "DDL's table is prefix of given table",
ddl: "CREATE TABLE t1 (\n",
table: "t12",
want: false,
},
{
desc: "given table has reserved word",
ddl: "CREATE TABLE `create` (\n",
table: "create",
want: true,
},
{
desc: "given table is regular expression",
ddl: "CREATE TABLE t1 (\n",
table: `..`,
want: false,
},
{
desc: "given table is invalid regular expression",
ddl: "CREATE TABLE t1 (\n",
table: `[\]`,
want: false,
},
} {
t.Run(tt.desc, func(t *testing.T) {
if got := isCreateTableDDL(tt.ddl, tt.schema, tt.table); got != tt.want {
t.Errorf("isCreateTableDDL(%q, %q) = %v, but want %v", tt.ddl, tt.table, got, tt.want)
}
})
}
}
func TestExtractSchemaAndTable(t *testing.T) {
for _, tt := range []struct {
desc string
input string
schema string
table string
}{
{
desc: "raw table",
input: "table",
schema: "",
table: "table",
},
{
desc: "quoted table",
input: "`table`",
schema: "",
table: "table",
},
{
desc: "FQN",
input: "schema.table",
schema: "schema",
table: "table",
},
{
desc: "FQN with spaces",
input: "schema . table",
schema: "schema",
table: "table",
},
{
desc: "FQN, both schema and table are quoted",
input: "`schema`.`table`",
schema: "schema",
table: "table",
},
{
desc: "FQN with spaces, both schema and table are quoted",
input: "`schema` . `table`",
schema: "schema",
table: "table",
},
{
desc: "FQN, only schema is quoted",
input: "`schema`.table",
schema: "schema",
table: "table",
},
{
desc: "FQN with spaces, only schema is quoted",
input: "`schema` . table",
schema: "schema",
table: "table",
},
{
desc: "FQN, only table is quoted",
input: "schema.`table`",
schema: "schema",
table: "table",
},
{
desc: "FQN with spaces, only table is quoted",
input: "schema . `table`",
schema: "schema",
table: "table",
},
{
desc: "whole quoted FQN",
input: "`schema.table`",
schema: "schema",
table: "table",
},
} {
t.Run(tt.desc, func(t *testing.T) {
if schema, table := extractSchemaAndTable(tt.input); schema != tt.schema || table != tt.table {
t.Errorf("extractSchemaAndTable(%q) = (%v, %v), but want (%v, %v)", tt.input, schema, table, tt.schema, tt.table)
}
})
}
}