| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.flink.connector.jdbc.databases.oracle.dialect; |
| |
| import org.apache.flink.connector.jdbc.dialect.JdbcDialect; |
| import org.apache.flink.connector.jdbc.dialect.JdbcDialectLoader; |
| import org.apache.flink.connector.jdbc.statement.FieldNamedPreparedStatementImpl; |
| |
| import org.junit.jupiter.api.Test; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static java.util.Arrays.asList; |
| import static java.util.Collections.singletonList; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| /** Tests for {@link OraclePreparedStatementTest}. */ |
| class OraclePreparedStatementTest { |
| |
| private final JdbcDialect dialect = |
| JdbcDialectLoader.load( |
| "jdbc:oracle://localhost:3306/test", getClass().getClassLoader()); |
| private final String[] fieldNames = |
| new String[] {"id", "name", "email", "ts", "field1", "field_2", "__field_3__"}; |
| private final String[] keyFields = new String[] {"id", "__field_3__"}; |
| private final String tableName = "tbl"; |
| |
| @Test |
| void testInsertStatement() { |
| String insertStmt = dialect.getInsertIntoStatement(tableName, fieldNames); |
| assertThat(insertStmt) |
| .isEqualTo( |
| "INSERT INTO tbl(id, name, email, ts, field1, field_2, __field_3__) " |
| + "VALUES (:id, :name, :email, :ts, :field1, :field_2, :__field_3__)"); |
| NamedStatementMatcher.parsedSql( |
| "INSERT INTO tbl(id, name, email, ts, field1, field_2, __field_3__) " |
| + "VALUES (?, ?, ?, ?, ?, ?, ?)") |
| .parameter("id", singletonList(1)) |
| .parameter("name", singletonList(2)) |
| .parameter("email", singletonList(3)) |
| .parameter("ts", singletonList(4)) |
| .parameter("field1", singletonList(5)) |
| .parameter("field_2", singletonList(6)) |
| .parameter("__field_3__", singletonList(7)) |
| .matches(insertStmt); |
| } |
| |
| @Test |
| void testDeleteStatement() { |
| String deleteStmt = dialect.getDeleteStatement(tableName, keyFields); |
| assertThat(deleteStmt) |
| .isEqualTo("DELETE FROM tbl WHERE id = :id AND __field_3__ = :__field_3__"); |
| NamedStatementMatcher.parsedSql("DELETE FROM tbl WHERE id = ? AND __field_3__ = ?") |
| .parameter("id", singletonList(1)) |
| .parameter("__field_3__", singletonList(2)) |
| .matches(deleteStmt); |
| } |
| |
| @Test |
| void testRowExistsStatement() { |
| String rowExistStmt = dialect.getRowExistsStatement(tableName, keyFields); |
| assertThat(rowExistStmt) |
| .isEqualTo("SELECT 1 FROM tbl WHERE id = :id AND __field_3__ = :__field_3__"); |
| NamedStatementMatcher.parsedSql("SELECT 1 FROM tbl WHERE id = ? AND __field_3__ = ?") |
| .parameter("id", singletonList(1)) |
| .parameter("__field_3__", singletonList(2)) |
| .matches(rowExistStmt); |
| } |
| |
| @Test |
| void testUpdateStatement() { |
| String updateStmt = dialect.getUpdateStatement(tableName, fieldNames, keyFields); |
| assertThat(updateStmt) |
| .isEqualTo( |
| "UPDATE tbl SET id = :id, name = :name, email = :email, ts = :ts, " |
| + "field1 = :field1, field_2 = :field_2, __field_3__ = :__field_3__ " |
| + "WHERE id = :id AND __field_3__ = :__field_3__"); |
| NamedStatementMatcher.parsedSql( |
| "UPDATE tbl SET id = ?, name = ?, email = ?, ts = ?, field1 = ?, " |
| + "field_2 = ?, __field_3__ = ? WHERE id = ? AND __field_3__ = ?") |
| .parameter("id", asList(1, 8)) |
| .parameter("name", singletonList(2)) |
| .parameter("email", singletonList(3)) |
| .parameter("ts", singletonList(4)) |
| .parameter("field1", singletonList(5)) |
| .parameter("field_2", singletonList(6)) |
| .parameter("__field_3__", asList(7, 9)) |
| .matches(updateStmt); |
| } |
| |
| @Test |
| void testUpsertStatement() { |
| String upsertStmt = dialect.getUpsertStatement(tableName, fieldNames, keyFields).get(); |
| assertThat(upsertStmt) |
| .isEqualTo( |
| " MERGE INTO tbl t " |
| + " USING (SELECT :id id, :name name, :email email, :ts ts, :field1 field1, :field_2 field_2, :__field_3__ __field_3__ FROM DUAL) s " |
| + " ON (t.id=s.id and t.__field_3__=s.__field_3__) " |
| + " WHEN MATCHED THEN UPDATE SET t.name=s.name, t.email=s.email, t.ts=s.ts, t.field1=s.field1, t.field_2=s.field_2" |
| + " WHEN NOT MATCHED THEN INSERT (id, name, email, ts, field1, field_2, __field_3__)" |
| + " VALUES (s.id, s.name, s.email, s.ts, s.field1, s.field_2, s.__field_3__)"); |
| NamedStatementMatcher.parsedSql( |
| " MERGE INTO tbl t " |
| + " USING (SELECT ? id, ? name, ? email, ? ts, ? field1, ? field_2, ? __field_3__ FROM DUAL) s " |
| + " ON (t.id=s.id and t.__field_3__=s.__field_3__) " |
| + " WHEN MATCHED THEN UPDATE SET t.name=s.name, t.email=s.email, t.ts=s.ts, t.field1=s.field1, t.field_2=s.field_2" |
| + " WHEN NOT MATCHED THEN INSERT (id, name, email, ts, field1, field_2, __field_3__)" |
| + " VALUES (s.id, s.name, s.email, s.ts, s.field1, s.field_2, s.__field_3__)") |
| .parameter("id", singletonList(1)) |
| .parameter("name", singletonList(2)) |
| .parameter("email", singletonList(3)) |
| .parameter("ts", singletonList(4)) |
| .parameter("field1", singletonList(5)) |
| .parameter("field_2", singletonList(6)) |
| .parameter("__field_3__", singletonList(7)) |
| .matches(upsertStmt); |
| } |
| |
| @Test |
| void testSelectStatement() { |
| String selectStmt = dialect.getSelectFromStatement(tableName, fieldNames, keyFields); |
| assertThat(selectStmt) |
| .isEqualTo( |
| "SELECT id, name, email, ts, field1, field_2, __field_3__ FROM tbl " |
| + "WHERE id = :id AND __field_3__ = :__field_3__"); |
| NamedStatementMatcher.parsedSql( |
| "SELECT id, name, email, ts, field1, field_2, __field_3__ FROM tbl " |
| + "WHERE id = ? AND __field_3__ = ?") |
| .parameter("id", singletonList(1)) |
| .parameter("__field_3__", singletonList(2)) |
| .matches(selectStmt); |
| } |
| |
| private static class NamedStatementMatcher { |
| private String parsedSql; |
| private Map<String, List<Integer>> parameterMap = new HashMap<>(); |
| |
| public static NamedStatementMatcher parsedSql(String parsedSql) { |
| NamedStatementMatcher spec = new NamedStatementMatcher(); |
| spec.parsedSql = parsedSql; |
| return spec; |
| } |
| |
| public NamedStatementMatcher parameter(String name, List<Integer> index) { |
| this.parameterMap.put(name, index); |
| return this; |
| } |
| |
| public void matches(String statement) { |
| Map<String, List<Integer>> actualParams = new HashMap<>(); |
| String actualParsedStmt = |
| FieldNamedPreparedStatementImpl.parseNamedStatement(statement, actualParams); |
| assertThat(actualParsedStmt).isEqualTo(parsedSql); |
| assertThat(actualParams).isEqualTo(parameterMap); |
| } |
| } |
| } |