Test quoted identifiers in schema in SimpleJdbcInsert

This commit introduces additional tests for "quoted identifier" support
in SimpleJdbcInsert when the schema itself is defined using quoted
identifiers -- for example, to use keywords as column names.

See gh-31208

spring-jdbc/src/test/java/org/springframework/jdbc/core/simple/SimpleJdbcInsertIntegrationTests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.jdbc.core.simple;
 
+import java.sql.Types;
 import java.util.Map;
 
 import org.junit.jupiter.api.AfterEach;
@@ -24,12 +25,16 @@ import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 
 import org.springframework.core.io.ClassRelativeResourceLoader;
+import org.springframework.core.io.ResourceLoader;
+import org.springframework.jdbc.BadSqlGrammarException;
+import org.springframework.jdbc.core.SqlTypeValue;
 import org.springframework.jdbc.datasource.embedded.EmbeddedDatabase;
 import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
 import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
 import org.springframework.jdbc.datasource.init.DatabasePopulator;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
 
 /**
  * Integration tests for {@link SimpleJdbcInsert} using an embedded H2 database.
@@ -41,114 +46,249 @@ import static org.assertj.core.api.Assertions.assertThat;
 class SimpleJdbcInsertIntegrationTests {
 
 	@Nested
-	class DefaultSchemaTests extends AbstractSimpleJdbcInsertIntegrationTests {
+	class DefaultSchemaTests {
 
-		@Test
+		@Nested
-		void retrieveColumnNamesFromMetadata() throws Exception {
+		class UnquotedIdentifiersInSchemaTests extends AbstractSimpleJdbcInsertIntegrationTests {
-			SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
-					.withTableName("users")
-					.usingGeneratedKeyColumns("id");
 
-			insert.compile();
+			@Test
-			// NOTE: column names looked up via metadata in H2/HSQL will be UPPERCASE!
+			void retrieveColumnNamesFromMetadata() throws Exception {
-			assertThat(insert.getInsertString()).isEqualTo("INSERT INTO users (FIRST_NAME, LAST_NAME) VALUES(?, ?)");
+				SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
+						.withTableName("users")
+						.usingGeneratedKeyColumns("id");
 
-			insertJaneSmith(insert);
+				insert.compile();
+				assertThat(insert.getInsertTypes()).containsExactly(Types.VARCHAR, Types.VARCHAR);
+				// NOTE: column names looked up via metadata in H2/HSQL will be UPPERCASE!
+				assertThat(insert.getInsertString()).isEqualTo("INSERT INTO users (FIRST_NAME, LAST_NAME) VALUES(?, ?)");
+
+				insertJaneSmith(insert);
+			}
+
+			@Test
+			void usingColumns() {
+				SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
+						.withoutTableColumnMetaDataAccess()
+						.withTableName("users")
+						.usingColumns("first_name", "last_name")
+						.usingGeneratedKeyColumns("id");
+
+				insert.compile();
+				assertThat(insert.getInsertString()).isEqualTo("INSERT INTO users (first_name, last_name) VALUES(?, ?)");
+
+				insertJaneSmith(insert);
+			}
+
+			@Test  // gh-24013
+			void usingColumnsAndQuotedIdentifiers() throws Exception {
+				// NOTE: unquoted identifiers in H2/HSQL must be converted to UPPERCASE
+				// since that's how they are stored in the DB metadata.
+				SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
+						.withoutTableColumnMetaDataAccess()
+						.withTableName("USERS")
+						.usingColumns("FIRST_NAME", "LAST_NAME")
+						.usingGeneratedKeyColumns("id")
+						.usingQuotedIdentifiers();
+
+				insert.compile();
+				assertThat(insert.getInsertString()).isEqualToIgnoringNewLines("""
+						INSERT INTO "USERS" ("FIRST_NAME", "LAST_NAME") VALUES(?, ?)
+						""");
+
+				insertJaneSmith(insert);
+			}
+
+			@Override
+			protected String getSchemaScript() {
+				return "users-schema.sql";
+			}
+
+			@Override
+			protected String getDataScript() {
+				return "users-data.sql";
+			}
+
+			@Override
+			protected String getTableName() {
+				return "users";
+			}
 		}
 
-		@Test
+		@Nested
-		void usingColumns() {
+		class QuotedIdentifiersInSchemaTests extends AbstractSimpleJdbcInsertIntegrationTests {
-			SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
-					.withoutTableColumnMetaDataAccess()
-					.withTableName("users")
-					.usingColumns("first_name", "last_name")
-					.usingGeneratedKeyColumns("id");
 
-			insert.compile();
+			@Test
-			assertThat(insert.getInsertString()).isEqualTo("INSERT INTO users (first_name, last_name) VALUES(?, ?)");
+			void retrieveColumnNamesFromMetadata() throws Exception {
+				SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
+						.withTableName("Order")
+						.usingGeneratedKeyColumns("id");
 
-			insertJaneSmith(insert);
+				insert.compile();
+
+				// Since we are not quoting identifiers, the column names lookup for the "Order"
+				// table fails to find anything, and insert types are not populated.
+				assertThat(insert.getInsertTypes()).isEmpty();
+				// Consequently, any subsequent attempt to execute the INSERT statement should fail.
+				assertThatExceptionOfType(BadSqlGrammarException.class)
+						.isThrownBy(() -> insert.executeAndReturnKey(Map.of("from", "start", "date", "1999")));
+			}
+
+			@Test  // gh-24013
+			void usingColumnsAndQuotedIdentifiers() throws Exception {
+				SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
+						.withoutTableColumnMetaDataAccess()
+						.withTableName("Order")
+						.usingColumns("from", "Date")
+						.usingGeneratedKeyColumns("id")
+						.usingQuotedIdentifiers();
+
+				insert.compile();
+				assertThat(insert.getInsertString()).isEqualToIgnoringNewLines("""
+						INSERT INTO "Order" ("from", "Date") VALUES(?, ?)
+						""");
+
+				insertOrderEntry(insert);
+			}
+
+			@Override
+			protected ResourceLoader getResourceLoader() {
+				return new ClassRelativeResourceLoader(getClass());
+			}
+
+			@Override
+			protected String getSchemaScript() {
+				return "order-schema.sql";
+			}
+
+			@Override
+			protected String getDataScript() {
+				return "order-data.sql";
+			}
+
+			@Override
+			protected String getTableName() {
+				return "\"Order\"";
+			}
 		}
-
-		@Test  // gh-24013
-		void usingColumnsAndQuotedIdentifiers() throws Exception {
-			// NOTE: unquoted identifiers in H2/HSQL must be converted to UPPERCASE
-			// since that's how they are stored in the DB metadata.
-			SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
-					.withoutTableColumnMetaDataAccess()
-					.withTableName("USERS")
-					.usingColumns("FIRST_NAME", "LAST_NAME")
-					.usingGeneratedKeyColumns("id")
-					.usingQuotedIdentifiers();
-
-			insert.compile();
-			assertThat(insert.getInsertString()).isEqualToIgnoringNewLines("""
-					INSERT INTO "USERS" ("FIRST_NAME", "LAST_NAME") VALUES(?, ?)
-					""");
-
-			insertJaneSmith(insert);
-		}
-
-		@Override
-		protected String getSchemaScript() {
-			return "users-schema.sql";
-		}
-
-		@Override
-		protected String getUsersTableName() {
-			return "users";
-		}
-
 	}
 
 	@Nested
-	class CustomSchemaTests extends AbstractSimpleJdbcInsertIntegrationTests {
+	class CustomSchemaTests {
 
-		@Test
+		@Nested
-		void usingColumnsWithSchemaName() {
+		class UnquotedIdentifiersInSchemaTests extends AbstractSimpleJdbcInsertIntegrationTests {
-			SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
-					.withoutTableColumnMetaDataAccess()
-					.withSchemaName("my_schema")
-					.withTableName("users")
-					.usingColumns("first_name", "last_name")
-					.usingGeneratedKeyColumns("id");
 
-			insert.compile();
+			@Test
-			assertThat(insert.getInsertString()).isEqualTo("INSERT INTO my_schema.users (first_name, last_name) VALUES(?, ?)");
+			void usingColumnsWithSchemaName() {
+				SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
+						.withoutTableColumnMetaDataAccess()
+						.withSchemaName("my_schema")
+						.withTableName("users")
+						.usingColumns("first_name", "last_name")
+						.usingGeneratedKeyColumns("id");
 
-			insertJaneSmith(insert);
+				insert.compile();
+				assertThat(insert.getInsertString()).isEqualTo("INSERT INTO my_schema.users (first_name, last_name) VALUES(?, ?)");
+
+				insertJaneSmith(insert);
+			}
+
+			@Test  // gh-24013
+			void usingColumnsAndQuotedIdentifiersWithSchemaName() throws Exception {
+				// NOTE: unquoted identifiers in H2/HSQL must be converted to UPPERCASE
+				// since that's how they are stored in the DB metadata.
+				SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
+						.withoutTableColumnMetaDataAccess()
+						.withSchemaName("MY_SCHEMA")
+						.withTableName("USERS")
+						.usingColumns("FIRST_NAME", "LAST_NAME")
+						.usingGeneratedKeyColumns("id")
+						.usingQuotedIdentifiers();
+
+				insert.compile();
+				assertThat(insert.getInsertString()).isEqualToIgnoringNewLines("""
+						INSERT INTO "MY_SCHEMA"."USERS" ("FIRST_NAME", "LAST_NAME") VALUES(?, ?)
+						""");
+
+				insertJaneSmith(insert);
+			}
+
+			@Override
+			protected String getSchemaScript() {
+				return "users-schema-with-custom-schema.sql";
+			}
+
+			@Override
+			protected String getDataScript() {
+				return "users-data.sql";
+			}
+
+			@Override
+			protected String getTableName() {
+				return "my_schema.users";
+			}
 		}
 
-		@Test  // gh-24013
+		@Nested
-		void usingColumnsAndQuotedIdentifiersWithSchemaName() throws Exception {
+		class QuotedIdentifiersInSchemaTests extends AbstractSimpleJdbcInsertIntegrationTests {
-			// NOTE: unquoted identifiers in H2/HSQL must be converted to UPPERCASE
-			// since that's how they are stored in the DB metadata.
-			SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
-					.withoutTableColumnMetaDataAccess()
-					.withSchemaName("MY_SCHEMA")
-					.withTableName("USERS")
-					.usingColumns("FIRST_NAME", "LAST_NAME")
-					.usingGeneratedKeyColumns("id")
-					.usingQuotedIdentifiers();
 
-			insert.compile();
+			@Test
-			assertThat(insert.getInsertString()).isEqualToIgnoringNewLines("""
+			void usingColumnsWithSchemaName() {
-					INSERT INTO "MY_SCHEMA"."USERS" ("FIRST_NAME", "LAST_NAME") VALUES(?, ?)
+				SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
-					""");
+						.withoutTableColumnMetaDataAccess()
+						.withSchemaName("My_Schema")
+						.withTableName("Order")
+						.usingColumns("from", "Date")
+						.usingGeneratedKeyColumns("id");
 
-			insertJaneSmith(insert);
+				insert.compile();
+
+				// Since we are not quoting identifiers, the column names lookup for the
+				// My_Schema.Order table results in unknown insert types.
+				assertThat(insert.getInsertTypes()).containsExactly(SqlTypeValue.TYPE_UNKNOWN, SqlTypeValue.TYPE_UNKNOWN);
+				// Consequently, any subsequent attempt to execute the INSERT statement should fail.
+				assertThatExceptionOfType(BadSqlGrammarException.class)
+						.isThrownBy(() -> insert.executeAndReturnKey(Map.of("from", "start", "date", "1999")));
+			}
+
+			@Test  // gh-24013
+			void usingColumnsAndQuotedIdentifiersWithSchemaName() throws Exception {
+				SimpleJdbcInsert insert = new SimpleJdbcInsert(embeddedDatabase)
+						.withoutTableColumnMetaDataAccess()
+						.withSchemaName("My_Schema")
+						.withTableName("Order")
+						.usingColumns("from", "Date")
+						.usingGeneratedKeyColumns("id")
+						.usingQuotedIdentifiers();
+
+				insert.compile();
+				assertThat(insert.getInsertString()).isEqualToIgnoringNewLines("""
+						INSERT INTO "My_Schema"."Order" ("from", "Date") VALUES(?, ?)
+						""");
+
+				insertOrderEntry(insert);
+			}
+
+			@Override
+			protected ResourceLoader getResourceLoader() {
+				return new ClassRelativeResourceLoader(getClass());
+			}
+
+			@Override
+			protected String getSchemaScript() {
+				return "order-schema-with-custom-schema.sql";
+			}
+
+			@Override
+			protected String getDataScript() {
+				return "order-data.sql";
+			}
+
+			@Override
+			protected String getTableName() {
+				return "\"My_Schema\".\"Order\"";
+			}
 		}
-
-		@Override
-		protected String getSchemaScript() {
-			return "users-schema-with-custom-schema.sql";
-		}
-
-		@Override
-		protected String getUsersTableName() {
-			return "my_schema.users";
-		}
-
 	}
 
 	private abstract static class AbstractSimpleJdbcInsertIntegrationTests {
@@ -157,13 +297,13 @@ class SimpleJdbcInsertIntegrationTests {
 
 		@BeforeEach
 		void createDatabase() {
-			this.embeddedDatabase = new EmbeddedDatabaseBuilder(new ClassRelativeResourceLoader(DatabasePopulator.class))
+			this.embeddedDatabase = new EmbeddedDatabaseBuilder(getResourceLoader())
 					.setType(EmbeddedDatabaseType.H2)
 					.addScript(getSchemaScript())
-					.addScript("users-data.sql")
+					.addScript(getDataScript())
 					.build();
 
-			assertNumUsers(1);
+			assertNumRows(1);
 		}
 
 		@AfterEach
@@ -171,21 +311,33 @@ class SimpleJdbcInsertIntegrationTests {
 			this.embeddedDatabase.shutdown();
 		}
 
-		protected void assertNumUsers(long count) {
+		protected ResourceLoader getResourceLoader() {
+			return new ClassRelativeResourceLoader(DatabasePopulator.class);
+		}
+
+		protected void assertNumRows(long count) {
 			JdbcClient jdbcClient = JdbcClient.create(this.embeddedDatabase);
-			long numUsers = jdbcClient.sql("select count(*) from " + getUsersTableName()).query(Long.class).single();
+			long numRows = jdbcClient.sql("select count(*) from " + getTableName()).query(Long.class).single();
-			assertThat(numUsers).isEqualTo(count);
+			assertThat(numRows).isEqualTo(count);
 		}
 
 		protected void insertJaneSmith(SimpleJdbcInsert insert) {
 			Number id = insert.executeAndReturnKey(Map.of("first_name", "Jane", "last_name", "Smith"));
 			assertThat(id.intValue()).isEqualTo(2);
-			assertNumUsers(2);
+			assertNumRows(2);
+		}
+
+		protected void insertOrderEntry(SimpleJdbcInsert insert) {
+			Number id = insert.executeAndReturnKey(Map.of("from", "start", "date", "1999"));
+			assertThat(id.intValue()).isEqualTo(2);
+			assertNumRows(2);
 		}
 
 		protected abstract String getSchemaScript();
 
-		protected abstract String getUsersTableName();
+		protected abstract String getDataScript();
+
+		protected abstract String getTableName();
 
 	}
 

spring-jdbc/src/test/resources/org/springframework/jdbc/core/simple/order-data.sql

@@ -0,0 +1 @@
+INSERT INTO "Order" ("from", "Date") values('start', '1999');

spring-jdbc/src/test/resources/org/springframework/jdbc/core/simple/order-schema-with-custom-schema.sql

@@ -0,0 +1,11 @@
+CREATE SCHEMA IF NOT EXISTS "My_Schema";
+
+SET SCHEMA "My_Schema";
+
+DROP TABLE "Order" IF EXISTS;
+
+CREATE TABLE "Order" (
+	id INTEGER GENERATED BY DEFAULT AS IDENTITY,
+	"from" VARCHAR(50) NOT NULL,
+	"Date" VARCHAR(50) NOT NULL
+);

spring-jdbc/src/test/resources/org/springframework/jdbc/core/simple/order-schema.sql

@@ -0,0 +1,7 @@
+DROP TABLE "Order" IF EXISTS;
+
+CREATE TABLE "Order" (
+	id INTEGER GENERATED BY DEFAULT AS IDENTITY,
+	"from" VARCHAR(50) NOT NULL,
+	"Date" VARCHAR(50) NOT NULL
+);